./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-broom/dll-middle-data.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_0ce4593a-1035-4fe7-81b2-8bc2890b03eb/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce4593a-1035-4fe7-81b2-8bc2890b03eb/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_0ce4593a-1035-4fe7-81b2-8bc2890b03eb/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce4593a-1035-4fe7-81b2-8bc2890b03eb/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-broom/dll-middle-data.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce4593a-1035-4fe7-81b2-8bc2890b03eb/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce4593a-1035-4fe7-81b2-8bc2890b03eb/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 64bit --witnessprinter.graph.data.programhash 55fed19fd46c3c3877aeb4601619875fca08ed123cdc32456163a7ce3c0dda73 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:59:27,669 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:59:27,808 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce4593a-1035-4fe7-81b2-8bc2890b03eb/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-24 22:59:27,817 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:59:27,818 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:59:27,847 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:59:27,849 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:59:27,850 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:59:27,851 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:59:27,851 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:59:27,852 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:59:27,853 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:59:27,853 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:59:27,854 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:59:27,855 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:59:27,855 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:59:27,856 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:59:27,857 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:59:27,857 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:59:27,858 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:59:27,858 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:59:27,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:27,860 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:59:27,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:59:27,861 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:59:27,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:59:27,862 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_0ce4593a-1035-4fe7-81b2-8bc2890b03eb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce4593a-1035-4fe7-81b2-8bc2890b03eb/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55fed19fd46c3c3877aeb4601619875fca08ed123cdc32456163a7ce3c0dda73 [2023-11-24 22:59:28,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:59:28,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:59:28,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:59:28,258 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:59:28,260 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:59:28,262 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce4593a-1035-4fe7-81b2-8bc2890b03eb/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/memsafety-broom/dll-middle-data.i [2023-11-24 22:59:31,558 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:59:31,939 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:59:31,940 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce4593a-1035-4fe7-81b2-8bc2890b03eb/sv-benchmarks/c/memsafety-broom/dll-middle-data.i [2023-11-24 22:59:31,982 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce4593a-1035-4fe7-81b2-8bc2890b03eb/bin/ukojak-verify-afCqCEvfdi/data/f4238d9a5/a90bf8a7cccf4a8d93f7532168111bc1/FLAG79850f417 [2023-11-24 22:59:32,006 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce4593a-1035-4fe7-81b2-8bc2890b03eb/bin/ukojak-verify-afCqCEvfdi/data/f4238d9a5/a90bf8a7cccf4a8d93f7532168111bc1 [2023-11-24 22:59:32,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:59:32,011 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:59:32,013 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:32,013 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:59:32,018 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:59:32,019 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:32" (1/1) ... [2023-11-24 22:59:32,021 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8301f9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:32, skipping insertion in model container [2023-11-24 22:59:32,021 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:32" (1/1) ... [2023-11-24 22:59:32,107 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:59:32,430 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:32,465 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:59:32,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:32,570 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:59:32,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:32 WrapperNode [2023-11-24 22:59:32,571 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:32,573 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:32,573 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:59:32,573 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:59:32,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:32" (1/1) ... [2023-11-24 22:59:32,599 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:32" (1/1) ... [2023-11-24 22:59:32,628 INFO L138 Inliner]: procedures = 121, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 98 [2023-11-24 22:59:32,628 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:32,629 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:59:32,630 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:59:32,630 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:59:32,641 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:32" (1/1) ... [2023-11-24 22:59:32,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:32" (1/1) ... [2023-11-24 22:59:32,647 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:32" (1/1) ... [2023-11-24 22:59:32,647 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:32" (1/1) ... [2023-11-24 22:59:32,659 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:32" (1/1) ... [2023-11-24 22:59:32,663 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:32" (1/1) ... [2023-11-24 22:59:32,665 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:32" (1/1) ... [2023-11-24 22:59:32,667 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:32" (1/1) ... [2023-11-24 22:59:32,671 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:59:32,672 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:59:32,672 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:59:32,672 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:59:32,673 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:32" (1/1) ... [2023-11-24 22:59:32,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:32,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce4593a-1035-4fe7-81b2-8bc2890b03eb/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:59:32,716 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce4593a-1035-4fe7-81b2-8bc2890b03eb/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:59:32,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce4593a-1035-4fe7-81b2-8bc2890b03eb/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:59:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:59:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:59:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:59:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:59:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:59:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:59:32,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:59:32,912 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:59:32,914 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:59:33,355 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:59:33,431 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:59:33,431 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 22:59:33,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:33 BoogieIcfgContainer [2023-11-24 22:59:33,433 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:59:33,434 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:59:33,435 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:59:33,447 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:59:33,447 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:33" (1/1) ... [2023-11-24 22:59:33,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:59:33,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:33,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 75 states and 78 transitions. [2023-11-24 22:59:33,523 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 78 transitions. [2023-11-24 22:59:33,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:59:33,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:33,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:33,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:33,807 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 22:59:33,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:33,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 74 states and 77 transitions. [2023-11-24 22:59:33,844 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 77 transitions. [2023-11-24 22:59:33,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:59:33,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:33,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:33,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:34,004 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 22:59:34,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:34,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 73 states and 76 transitions. [2023-11-24 22:59:34,111 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 76 transitions. [2023-11-24 22:59:34,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:59:34,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:34,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:34,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:34,184 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 22:59:34,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:34,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 72 states and 75 transitions. [2023-11-24 22:59:34,204 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 75 transitions. [2023-11-24 22:59:34,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:59:34,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:34,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:34,329 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 22:59:34,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:34,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 71 states and 74 transitions. [2023-11-24 22:59:34,350 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 74 transitions. [2023-11-24 22:59:34,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:59:34,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:34,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:34,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:34,407 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 22:59:34,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:34,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 70 states and 73 transitions. [2023-11-24 22:59:34,435 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 73 transitions. [2023-11-24 22:59:34,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:59:34,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:34,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:34,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:34,618 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 22:59:34,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:34,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 69 states and 72 transitions. [2023-11-24 22:59:34,753 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 72 transitions. [2023-11-24 22:59:34,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:59:34,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:34,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:34,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:34,813 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 22:59:34,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:34,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 68 states and 71 transitions. [2023-11-24 22:59:34,836 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 71 transitions. [2023-11-24 22:59:34,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:59:34,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:34,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:34,906 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 22:59:34,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:35,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 67 states and 70 transitions. [2023-11-24 22:59:35,000 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 70 transitions. [2023-11-24 22:59:35,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:59:35,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:35,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:35,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:35,091 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 22:59:35,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:35,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 66 states and 69 transitions. [2023-11-24 22:59:35,127 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 69 transitions. [2023-11-24 22:59:35,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:59:35,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:35,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:35,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:35,311 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 22:59:35,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:35,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 65 states and 68 transitions. [2023-11-24 22:59:35,484 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 68 transitions. [2023-11-24 22:59:35,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:59:35,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:35,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:35,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:35,517 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 22:59:35,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:35,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 64 states and 67 transitions. [2023-11-24 22:59:35,533 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 67 transitions. [2023-11-24 22:59:35,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:59:35,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:35,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:35,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:35,791 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 22:59:36,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:36,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 63 states and 66 transitions. [2023-11-24 22:59:36,171 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 66 transitions. [2023-11-24 22:59:36,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:59:36,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:36,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:36,270 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 22:59:36,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:36,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 62 states and 64 transitions. [2023-11-24 22:59:36,293 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 64 transitions. [2023-11-24 22:59:36,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:59:36,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:36,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:36,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:36,396 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 22:59:36,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:36,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 61 states and 63 transitions. [2023-11-24 22:59:36,410 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2023-11-24 22:59:36,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:59:36,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:36,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:36,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:36,449 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 22:59:36,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:36,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 60 states and 62 transitions. [2023-11-24 22:59:36,465 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2023-11-24 22:59:36,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:59:36,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:36,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:36,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:36,552 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 22:59:36,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:36,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 59 states and 61 transitions. [2023-11-24 22:59:36,570 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2023-11-24 22:59:36,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:59:36,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:36,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:36,732 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 22:59:37,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:37,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 64 states and 70 transitions. [2023-11-24 22:59:37,038 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 70 transitions. [2023-11-24 22:59:37,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:59:37,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:37,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:37,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:37,529 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 22:59:38,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:38,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 69 states and 81 transitions. [2023-11-24 22:59:38,597 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 81 transitions. [2023-11-24 22:59:38,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:59:38,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:38,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:38,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:38,688 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 22:59:38,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:38,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 68 states and 80 transitions. [2023-11-24 22:59:38,707 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 80 transitions. [2023-11-24 22:59:38,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:59:38,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:38,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:38,915 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 22:59:39,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:39,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 67 states and 79 transitions. [2023-11-24 22:59:39,278 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 79 transitions. [2023-11-24 22:59:39,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:59:39,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:39,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:39,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:39,539 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 22:59:40,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:40,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 71 states and 87 transitions. [2023-11-24 22:59:40,860 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 87 transitions. [2023-11-24 22:59:40,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:59:40,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:40,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:40,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:40,974 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 22:59:40,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:40,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 70 states and 86 transitions. [2023-11-24 22:59:40,996 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 86 transitions. [2023-11-24 22:59:40,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:59:40,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:40,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:41,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:41,088 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 22:59:41,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:41,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 69 states and 85 transitions. [2023-11-24 22:59:41,286 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 85 transitions. [2023-11-24 22:59:41,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:59:41,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:41,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:41,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:42,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:45,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:45,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 75 states and 100 transitions. [2023-11-24 22:59:45,917 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 100 transitions. [2023-11-24 22:59:45,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:59:45,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:45,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:46,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:47,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:47,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 76 states and 102 transitions. [2023-11-24 22:59:47,058 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 102 transitions. [2023-11-24 22:59:47,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:59:47,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:47,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:47,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:47,303 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 22:59:48,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:48,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 83 states and 116 transitions. [2023-11-24 22:59:48,225 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 116 transitions. [2023-11-24 22:59:48,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:59:48,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:48,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:48,686 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 22:59:49,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:49,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 90 states and 130 transitions. [2023-11-24 22:59:49,890 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 130 transitions. [2023-11-24 22:59:49,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:59:49,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:49,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:49,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:50,263 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 22:59:52,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:52,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 95 states and 149 transitions. [2023-11-24 22:59:52,124 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 149 transitions. [2023-11-24 22:59:52,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:59:52,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:52,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:52,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:53,092 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 22:59:56,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:56,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 103 states and 173 transitions. [2023-11-24 22:59:56,890 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 173 transitions. [2023-11-24 22:59:56,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:59:56,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:56,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:56,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:56,974 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 22:59:57,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:57,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 104 states and 175 transitions. [2023-11-24 22:59:57,451 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 175 transitions. [2023-11-24 22:59:57,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:59:57,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:57,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:57,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:57,877 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 22:59:59,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:59,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 107 states and 189 transitions. [2023-11-24 22:59:59,180 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 189 transitions. [2023-11-24 22:59:59,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:59:59,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:59,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:59,505 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 23:00:01,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:01,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 109 states and 194 transitions. [2023-11-24 23:00:01,021 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 194 transitions. [2023-11-24 23:00:01,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:00:01,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:01,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:01,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:01,089 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 23:00:02,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:02,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 111 states and 200 transitions. [2023-11-24 23:00:02,180 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 200 transitions. [2023-11-24 23:00:02,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:00:02,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:02,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:02,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:02,245 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 23:00:02,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:02,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 112 states and 205 transitions. [2023-11-24 23:00:02,859 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 205 transitions. [2023-11-24 23:00:02,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:00:02,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:02,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:02,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:02,923 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 23:00:03,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:03,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 113 states and 207 transitions. [2023-11-24 23:00:03,483 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 207 transitions. [2023-11-24 23:00:03,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:00:03,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:03,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:03,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:03,651 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 23:00:04,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:04,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 114 states and 210 transitions. [2023-11-24 23:00:04,253 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 210 transitions. [2023-11-24 23:00:04,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:00:04,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:04,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:04,295 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 23:00:04,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:04,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 113 states and 209 transitions. [2023-11-24 23:00:04,311 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 209 transitions. [2023-11-24 23:00:04,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:00:04,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:04,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:04,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:04,687 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 23:00:05,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:05,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 114 states and 211 transitions. [2023-11-24 23:00:05,551 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 211 transitions. [2023-11-24 23:00:05,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:00:05,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:05,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:05,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:06,021 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:00:06,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:06,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 115 states and 212 transitions. [2023-11-24 23:00:06,876 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 212 transitions. [2023-11-24 23:00:06,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:00:06,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:06,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:06,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:07,462 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 23:00:07,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:07,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 116 states and 214 transitions. [2023-11-24 23:00:07,945 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 214 transitions. [2023-11-24 23:00:07,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:00:07,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:07,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:08,019 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 23:00:09,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:09,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 119 states and 222 transitions. [2023-11-24 23:00:09,940 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 222 transitions. [2023-11-24 23:00:09,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:00:09,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:09,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:09,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:10,041 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 23:00:10,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:10,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 120 states and 225 transitions. [2023-11-24 23:00:10,696 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 225 transitions. [2023-11-24 23:00:10,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:00:10,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:10,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:10,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:11,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:00:13,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:13,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 122 states and 229 transitions. [2023-11-24 23:00:13,029 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 229 transitions. [2023-11-24 23:00:13,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:00:13,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:13,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:13,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:00:16,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:16,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 124 states and 233 transitions. [2023-11-24 23:00:16,689 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 233 transitions. [2023-11-24 23:00:16,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:00:16,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:16,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:16,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat