./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2c_update_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9f18781-1064-43f8-8dad-51e75003e064/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9f18781-1064-43f8-8dad-51e75003e064/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_b9f18781-1064-43f8-8dad-51e75003e064/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9f18781-1064-43f8-8dad-51e75003e064/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2c_update_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9f18781-1064-43f8-8dad-51e75003e064/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_b9f18781-1064-43f8-8dad-51e75003e064/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 6bfeee33a1b1d098a34bec7a761d4de16bc595043f21d77f5851cba758b79f34 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:10:12,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:10:12,160 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9f18781-1064-43f8-8dad-51e75003e064/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 22:10:12,166 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:10:12,166 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:10:12,188 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:10:12,190 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:10:12,190 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:10:12,191 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:10:12,192 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:10:12,193 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:10:12,194 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:10:12,194 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:10:12,195 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:10:12,196 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:10:12,196 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:10:12,197 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:10:12,198 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:10:12,198 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:10:12,199 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:10:12,200 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:10:12,201 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:10:12,201 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:10:12,202 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:10:12,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:12,203 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:10:12,203 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:10:12,204 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:10:12,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:10:12,205 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_b9f18781-1064-43f8-8dad-51e75003e064/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9f18781-1064-43f8-8dad-51e75003e064/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bfeee33a1b1d098a34bec7a761d4de16bc595043f21d77f5851cba758b79f34 [2023-11-24 22:10:12,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:10:12,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:10:12,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:10:12,586 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:10:12,587 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:10:12,588 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9f18781-1064-43f8-8dad-51e75003e064/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/list-simple/dll2c_update_all.i [2023-11-24 22:10:15,554 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:10:15,954 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:10:15,955 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9f18781-1064-43f8-8dad-51e75003e064/sv-benchmarks/c/list-simple/dll2c_update_all.i [2023-11-24 22:10:15,984 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9f18781-1064-43f8-8dad-51e75003e064/bin/ukojak-verify-afCqCEvfdi/data/b6f5ae0fc/4321ddd988be40d78b852a5535600026/FLAGc4f1093e2 [2023-11-24 22:10:16,004 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9f18781-1064-43f8-8dad-51e75003e064/bin/ukojak-verify-afCqCEvfdi/data/b6f5ae0fc/4321ddd988be40d78b852a5535600026 [2023-11-24 22:10:16,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:10:16,013 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:10:16,014 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:16,015 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:10:16,020 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:10:16,021 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:16" (1/1) ... [2023-11-24 22:10:16,022 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1367b74a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:16, skipping insertion in model container [2023-11-24 22:10:16,023 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:16" (1/1) ... [2023-11-24 22:10:16,086 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:10:16,501 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:16,513 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:10:16,595 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:16,636 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:10:16,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:16 WrapperNode [2023-11-24 22:10:16,637 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:16,638 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:16,638 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:10:16,638 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:10:16,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:16" (1/1) ... [2023-11-24 22:10:16,660 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:16" (1/1) ... [2023-11-24 22:10:16,691 INFO L138 Inliner]: procedures = 126, calls = 30, calls flagged for inlining = 10, calls inlined = 11, statements flattened = 158 [2023-11-24 22:10:16,691 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:16,692 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:10:16,693 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:10:16,693 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:10:16,703 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:16" (1/1) ... [2023-11-24 22:10:16,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:16" (1/1) ... [2023-11-24 22:10:16,710 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:16" (1/1) ... [2023-11-24 22:10:16,710 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:16" (1/1) ... [2023-11-24 22:10:16,721 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:16" (1/1) ... [2023-11-24 22:10:16,733 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:16" (1/1) ... [2023-11-24 22:10:16,738 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:16" (1/1) ... [2023-11-24 22:10:16,739 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:16" (1/1) ... [2023-11-24 22:10:16,744 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:10:16,745 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:10:16,745 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:10:16,745 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:10:16,746 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:16" (1/1) ... [2023-11-24 22:10:16,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:16,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9f18781-1064-43f8-8dad-51e75003e064/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:10:16,799 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9f18781-1064-43f8-8dad-51e75003e064/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:10:16,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9f18781-1064-43f8-8dad-51e75003e064/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:10:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:10:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:10:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:10:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:10:16,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:10:16,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:10:16,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:10:16,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:10:16,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:10:16,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:10:16,999 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:10:17,001 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:10:17,366 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:10:17,497 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:10:17,498 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-24 22:10:17,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:17 BoogieIcfgContainer [2023-11-24 22:10:17,499 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:10:17,500 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:10:17,501 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:10:17,512 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:10:17,513 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:17" (1/1) ... [2023-11-24 22:10:17,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:10:17,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:17,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 83 states and 94 transitions. [2023-11-24 22:10:17,592 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 94 transitions. [2023-11-24 22:10:17,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:10:17,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:17,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:17,852 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 22:10:17,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:17,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 82 states and 93 transitions. [2023-11-24 22:10:17,914 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2023-11-24 22:10:17,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:10:17,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:17,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:17,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:18,061 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 22:10:18,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:18,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 81 states and 92 transitions. [2023-11-24 22:10:18,177 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions. [2023-11-24 22:10:18,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:10:18,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:18,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:18,238 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 22:10:18,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:18,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 80 states and 91 transitions. [2023-11-24 22:10:18,254 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 91 transitions. [2023-11-24 22:10:18,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:10:18,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:18,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:18,356 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 22:10:18,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:18,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2023-11-24 22:10:18,453 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2023-11-24 22:10:18,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:10:18,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:18,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:18,516 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 22:10:18,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:18,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 78 states and 89 transitions. [2023-11-24 22:10:18,540 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 89 transitions. [2023-11-24 22:10:18,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:10:18,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:18,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:18,630 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 22:10:18,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:18,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 77 states and 88 transitions. [2023-11-24 22:10:18,657 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 88 transitions. [2023-11-24 22:10:18,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:10:18,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:18,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:18,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:18,824 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 22:10:19,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:19,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 78 states and 90 transitions. [2023-11-24 22:10:19,085 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2023-11-24 22:10:19,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:10:19,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:19,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:19,160 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 22:10:19,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:19,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-11-24 22:10:19,192 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-11-24 22:10:19,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:10:19,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:19,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:19,292 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 22:10:19,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:19,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 76 states and 88 transitions. [2023-11-24 22:10:19,319 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 88 transitions. [2023-11-24 22:10:19,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:10:19,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:19,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:19,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:19,352 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 22:10:19,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:19,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-11-24 22:10:19,369 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-11-24 22:10:19,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:10:19,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:19,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:19,446 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 22:10:19,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:19,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 74 states and 86 transitions. [2023-11-24 22:10:19,466 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 86 transitions. [2023-11-24 22:10:19,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:10:19,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:19,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:19,503 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 22:10:19,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:19,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 73 states and 85 transitions. [2023-11-24 22:10:19,520 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 85 transitions. [2023-11-24 22:10:19,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:10:19,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:19,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:19,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:19,615 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 22:10:19,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:19,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 72 states and 84 transitions. [2023-11-24 22:10:19,770 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 84 transitions. [2023-11-24 22:10:19,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:10:19,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:19,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:19,868 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 22:10:19,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:19,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 71 states and 83 transitions. [2023-11-24 22:10:19,909 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 83 transitions. [2023-11-24 22:10:19,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:10:19,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:19,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:19,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:20,129 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 22:10:20,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:20,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 70 states and 82 transitions. [2023-11-24 22:10:20,299 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 82 transitions. [2023-11-24 22:10:20,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:10:20,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:20,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:20,533 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 22:10:21,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:21,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 78 states and 95 transitions. [2023-11-24 22:10:21,145 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 95 transitions. [2023-11-24 22:10:21,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:10:21,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:21,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:21,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:21,423 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 22:10:22,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:22,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 86 states and 108 transitions. [2023-11-24 22:10:22,459 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 108 transitions. [2023-11-24 22:10:22,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:10:22,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:22,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:22,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:22,626 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 22:10:23,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:23,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 92 states and 115 transitions. [2023-11-24 22:10:23,923 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 115 transitions. [2023-11-24 22:10:23,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:10:23,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:23,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:24,187 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 22:10:26,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:26,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 103 states and 143 transitions. [2023-11-24 22:10:26,193 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 143 transitions. [2023-11-24 22:10:26,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:10:26,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:26,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:26,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:26,722 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 22:10:29,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:29,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 114 states and 173 transitions. [2023-11-24 22:10:29,791 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 173 transitions. [2023-11-24 22:10:29,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:10:29,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:29,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:29,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:29,873 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 22:10:31,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:31,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 118 states and 186 transitions. [2023-11-24 22:10:31,636 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 186 transitions. [2023-11-24 22:10:31,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:10:31,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:31,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:31,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:31,805 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 22:10:33,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:33,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 122 states and 196 transitions. [2023-11-24 22:10:33,705 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 196 transitions. [2023-11-24 22:10:33,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:10:33,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:33,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:33,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:34,065 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 22:10:34,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:34,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 125 states and 203 transitions. [2023-11-24 22:10:34,350 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 203 transitions. [2023-11-24 22:10:34,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:10:34,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:34,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:35,173 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 22:10:36,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:36,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 128 states and 213 transitions. [2023-11-24 22:10:36,463 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 213 transitions. [2023-11-24 22:10:36,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:10:36,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:36,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:36,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:36,794 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 22:10:37,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:37,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 130 states and 219 transitions. [2023-11-24 22:10:37,923 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 219 transitions. [2023-11-24 22:10:37,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:10:37,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:37,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:37,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:38,261 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 22:10:44,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:44,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 143 states and 252 transitions. [2023-11-24 22:10:44,020 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 252 transitions. [2023-11-24 22:10:44,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:10:44,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:44,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:44,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:44,143 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:10:45,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:45,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 145 states and 255 transitions. [2023-11-24 22:10:45,261 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 255 transitions. [2023-11-24 22:10:45,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:10:45,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:45,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:45,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:45,399 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:10:45,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:45,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 146 states and 256 transitions. [2023-11-24 22:10:45,434 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 256 transitions. [2023-11-24 22:10:45,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:10:45,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:45,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:45,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:46,018 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:10:49,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:49,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 152 states and 280 transitions. [2023-11-24 22:10:49,869 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 280 transitions. [2023-11-24 22:10:49,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:10:49,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:49,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:50,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:10:51,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:51,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 155 states and 292 transitions. [2023-11-24 22:10:51,298 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 292 transitions. [2023-11-24 22:10:51,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:10:51,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:51,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:51,561 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:10:52,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:52,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 158 states and 299 transitions. [2023-11-24 22:10:52,268 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 299 transitions. [2023-11-24 22:10:52,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:10:52,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:52,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:52,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:52,361 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:10:52,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:52,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 159 states and 301 transitions. [2023-11-24 22:10:52,965 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 301 transitions. [2023-11-24 22:10:52,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:10:52,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:52,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:53,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:10:55,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:55,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 162 states and 309 transitions. [2023-11-24 22:10:55,399 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 309 transitions. [2023-11-24 22:10:55,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:10:55,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:55,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:55,642 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:10:59,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:59,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 91 states and 153 transitions. [2023-11-24 22:10:59,469 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 153 transitions. [2023-11-24 22:10:59,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:10:59,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:59,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:00,136 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:11:02,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:02,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 94 states and 163 transitions. [2023-11-24 22:11:02,544 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 163 transitions. [2023-11-24 22:11:02,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:11:02,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:02,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat