./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2c_remove_all_reverse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc 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_7cab343f-b6cc-4a5d-ab2a-a782a66bafbf/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cab343f-b6cc-4a5d-ab2a-a782a66bafbf/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cab343f-b6cc-4a5d-ab2a-a782a66bafbf/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cab343f-b6cc-4a5d-ab2a-a782a66bafbf/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2c_remove_all_reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cab343f-b6cc-4a5d-ab2a-a782a66bafbf/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cab343f-b6cc-4a5d-ab2a-a782a66bafbf/bin/ukojak-verify-afCqCEvfdi --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 a81d76a671fec08918102c7898e8919d02b265d05707efa1508363dab4714d44 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:04:03,024 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:04:03,136 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cab343f-b6cc-4a5d-ab2a-a782a66bafbf/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 23:04:03,143 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:04:03,144 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:04:03,178 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:04:03,180 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:04:03,181 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:04:03,182 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:04:03,187 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:04:03,188 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:04:03,189 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:04:03,189 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:04:03,191 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:04:03,191 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:04:03,192 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:04:03,192 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:04:03,193 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:04:03,193 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:04:03,194 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:04:03,194 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:04:03,195 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:04:03,195 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:04:03,197 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:04:03,198 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:03,198 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:04:03,199 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:04:03,199 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:04:03,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:04:03,200 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_7cab343f-b6cc-4a5d-ab2a-a782a66bafbf/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cab343f-b6cc-4a5d-ab2a-a782a66bafbf/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a81d76a671fec08918102c7898e8919d02b265d05707efa1508363dab4714d44 [2023-11-24 23:04:03,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:04:03,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:04:03,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:04:03,530 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:04:03,531 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:04:03,532 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cab343f-b6cc-4a5d-ab2a-a782a66bafbf/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/list-simple/dll2c_remove_all_reverse.i [2023-11-24 23:04:06,721 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:04:06,968 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:04:06,976 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cab343f-b6cc-4a5d-ab2a-a782a66bafbf/sv-benchmarks/c/list-simple/dll2c_remove_all_reverse.i [2023-11-24 23:04:06,994 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cab343f-b6cc-4a5d-ab2a-a782a66bafbf/bin/ukojak-verify-afCqCEvfdi/data/4afe0e6cd/ede673a3d5244b40a5d7405d898906bc/FLAG0300b13bd [2023-11-24 23:04:07,007 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cab343f-b6cc-4a5d-ab2a-a782a66bafbf/bin/ukojak-verify-afCqCEvfdi/data/4afe0e6cd/ede673a3d5244b40a5d7405d898906bc [2023-11-24 23:04:07,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:04:07,011 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:04:07,013 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:07,013 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:04:07,018 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:04:07,019 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:07" (1/1) ... [2023-11-24 23:04:07,020 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13d83d4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:07, skipping insertion in model container [2023-11-24 23:04:07,021 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:07" (1/1) ... [2023-11-24 23:04:07,063 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:04:07,480 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:07,493 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:04:07,557 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:07,596 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:04:07,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:07 WrapperNode [2023-11-24 23:04:07,597 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:07,598 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:07,599 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:04:07,599 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:04:07,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:07" (1/1) ... [2023-11-24 23:04:07,636 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:07" (1/1) ... [2023-11-24 23:04:07,677 INFO L138 Inliner]: procedures = 126, calls = 38, calls flagged for inlining = 8, calls inlined = 9, statements flattened = 129 [2023-11-24 23:04:07,678 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:07,679 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:04:07,679 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:04:07,679 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:04:07,688 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:07" (1/1) ... [2023-11-24 23:04:07,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:07" (1/1) ... [2023-11-24 23:04:07,693 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:07" (1/1) ... [2023-11-24 23:04:07,693 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:07" (1/1) ... [2023-11-24 23:04:07,702 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:07" (1/1) ... [2023-11-24 23:04:07,705 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:07" (1/1) ... [2023-11-24 23:04:07,707 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:07" (1/1) ... [2023-11-24 23:04:07,709 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:07" (1/1) ... [2023-11-24 23:04:07,712 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:04:07,713 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:04:07,713 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:04:07,714 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:04:07,714 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:07" (1/1) ... [2023-11-24 23:04:07,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:07,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cab343f-b6cc-4a5d-ab2a-a782a66bafbf/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:04:07,748 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cab343f-b6cc-4a5d-ab2a-a782a66bafbf/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:04:07,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cab343f-b6cc-4a5d-ab2a-a782a66bafbf/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:04:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:04:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:04:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:04:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:04:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:04:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:04:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:04:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:04:07,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:04:07,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:04:07,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:04:07,919 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:04:07,921 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:04:08,379 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:04:08,437 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:04:08,437 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:04:08,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:08 BoogieIcfgContainer [2023-11-24 23:04:08,439 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:04:08,440 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:04:08,440 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:04:08,451 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:04:08,452 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:08" (1/1) ... [2023-11-24 23:04:08,461 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:04:08,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:08,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 94 states and 101 transitions. [2023-11-24 23:04:08,525 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 101 transitions. [2023-11-24 23:04:08,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:04:08,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:08,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:08,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:08,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:08,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 93 states and 100 transitions. [2023-11-24 23:04:08,873 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 100 transitions. [2023-11-24 23:04:08,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:04:08,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:08,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:09,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:09,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:09,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 92 states and 99 transitions. [2023-11-24 23:04:09,163 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 99 transitions. [2023-11-24 23:04:09,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:04:09,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:09,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:09,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:09,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:09,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:09,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 91 states and 98 transitions. [2023-11-24 23:04:09,263 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 98 transitions. [2023-11-24 23:04:09,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:04:09,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:09,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:09,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:09,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:09,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:09,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 90 states and 97 transitions. [2023-11-24 23:04:09,569 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 97 transitions. [2023-11-24 23:04:09,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:04:09,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:09,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:09,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:09,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:09,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 89 states and 96 transitions. [2023-11-24 23:04:09,653 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 96 transitions. [2023-11-24 23:04:09,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:04:09,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:09,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:09,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:09,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:09,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:09,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 88 states and 95 transitions. [2023-11-24 23:04:09,770 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 95 transitions. [2023-11-24 23:04:09,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:04:09,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:09,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:09,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:09,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:09,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:09,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 90 states and 99 transitions. [2023-11-24 23:04:09,942 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 99 transitions. [2023-11-24 23:04:09,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:04:09,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:09,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:09,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:10,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:10,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:10,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 91 states and 100 transitions. [2023-11-24 23:04:10,431 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 100 transitions. [2023-11-24 23:04:10,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:04:10,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:10,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:10,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:10,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:10,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 90 states and 99 transitions. [2023-11-24 23:04:10,544 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 99 transitions. [2023-11-24 23:04:10,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:04:10,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:10,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:10,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:10,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:10,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:10,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 89 states and 98 transitions. [2023-11-24 23:04:10,668 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 98 transitions. [2023-11-24 23:04:10,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:04:10,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:10,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:10,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:10,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:10,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:10,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 88 states and 97 transitions. [2023-11-24 23:04:10,721 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 97 transitions. [2023-11-24 23:04:10,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:04:10,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:10,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:10,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:10,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:10,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:10,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 87 states and 96 transitions. [2023-11-24 23:04:10,819 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 96 transitions. [2023-11-24 23:04:10,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:04:10,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:10,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:10,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:10,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:10,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:10,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 86 states and 95 transitions. [2023-11-24 23:04:10,897 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 95 transitions. [2023-11-24 23:04:10,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:04:10,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:10,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:10,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:10,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:11,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:11,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 85 states and 94 transitions. [2023-11-24 23:04:11,123 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 94 transitions. [2023-11-24 23:04:11,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:04:11,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:11,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:11,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:11,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:11,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:11,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 84 states and 93 transitions. [2023-11-24 23:04:11,272 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2023-11-24 23:04:11,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:04:11,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:11,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:11,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:11,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:11,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:11,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 83 states and 92 transitions. [2023-11-24 23:04:11,648 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 92 transitions. [2023-11-24 23:04:11,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:04:11,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:11,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:11,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:11,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:12,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:12,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 91 states and 105 transitions. [2023-11-24 23:04:12,549 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 105 transitions. [2023-11-24 23:04:12,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:04:12,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:12,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:12,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:14,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:14,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 99 states and 118 transitions. [2023-11-24 23:04:14,001 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 118 transitions. [2023-11-24 23:04:14,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:04:14,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:14,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:14,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:15,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:15,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 105 states and 125 transitions. [2023-11-24 23:04:15,667 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 125 transitions. [2023-11-24 23:04:15,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:04:15,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:15,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:15,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:16,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:18,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:18,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 116 states and 151 transitions. [2023-11-24 23:04:18,989 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 151 transitions. [2023-11-24 23:04:18,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:04:18,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:18,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:19,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:21,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:21,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 124 states and 165 transitions. [2023-11-24 23:04:21,148 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 165 transitions. [2023-11-24 23:04:21,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:04:21,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:21,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:21,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:22,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:22,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 128 states and 175 transitions. [2023-11-24 23:04:22,904 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 175 transitions. [2023-11-24 23:04:22,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:04:22,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:22,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:23,286 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:25,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:25,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 132 states and 186 transitions. [2023-11-24 23:04:25,911 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 186 transitions. [2023-11-24 23:04:25,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:04:25,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:25,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:26,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:32,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:32,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 146 states and 218 transitions. [2023-11-24 23:04:32,508 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 218 transitions. [2023-11-24 23:04:32,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:04:32,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:32,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:32,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:34,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:45,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:45,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 160 states and 251 transitions. [2023-11-24 23:04:45,575 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 251 transitions. [2023-11-24 23:04:45,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:04:45,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:45,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:45,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:45,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:04:55,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:55,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 173 states and 282 transitions. [2023-11-24 23:04:55,532 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 282 transitions. [2023-11-24 23:04:55,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:04:55,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:55,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:55,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:56,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:04:58,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:58,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 176 states and 288 transitions. [2023-11-24 23:04:58,472 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 288 transitions. [2023-11-24 23:04:58,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:04:58,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:58,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:58,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:59,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.