./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312dccb9-afeb-426e-8e4e-1bed297ce7e7/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312dccb9-afeb-426e-8e4e-1bed297ce7e7/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312dccb9-afeb-426e-8e4e-1bed297ce7e7/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312dccb9-afeb-426e-8e4e-1bed297ce7e7/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312dccb9-afeb-426e-8e4e-1bed297ce7e7/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312dccb9-afeb-426e-8e4e-1bed297ce7e7/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 98678a21a2b37b871d00192aacebe14c4ee9cc87b75400dd7a4adc0ccfa93151 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:05:11,710 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:05:11,825 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312dccb9-afeb-426e-8e4e-1bed297ce7e7/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:05:11,832 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:05:11,833 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:05:11,871 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:05:11,872 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:05:11,872 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:05:11,873 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:05:11,880 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:05:11,881 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:05:11,882 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:05:11,882 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:05:11,884 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:05:11,884 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:05:11,884 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:05:11,885 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:05:11,885 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:05:11,885 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:05:11,886 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:05:11,886 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:05:11,887 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:05:11,887 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:05:11,890 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:05:11,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:05:11,891 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:05:11,891 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:05:11,891 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:05:11,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:05:11,892 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_312dccb9-afeb-426e-8e4e-1bed297ce7e7/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312dccb9-afeb-426e-8e4e-1bed297ce7e7/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98678a21a2b37b871d00192aacebe14c4ee9cc87b75400dd7a4adc0ccfa93151 [2023-11-19 03:05:12,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:05:12,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:05:12,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:05:12,226 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:05:12,227 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:05:12,229 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312dccb9-afeb-426e-8e4e-1bed297ce7e7/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ldv-memsafety/memleaks_test18.i [2023-11-19 03:05:15,273 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:05:15,591 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:05:15,592 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312dccb9-afeb-426e-8e4e-1bed297ce7e7/sv-benchmarks/c/ldv-memsafety/memleaks_test18.i [2023-11-19 03:05:15,615 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312dccb9-afeb-426e-8e4e-1bed297ce7e7/bin/ukojak-verify-G8NBE6pJGL/data/92a28710a/6d980f21d4c04ed091cf19b3044b679e/FLAGdc2ad942e [2023-11-19 03:05:15,629 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312dccb9-afeb-426e-8e4e-1bed297ce7e7/bin/ukojak-verify-G8NBE6pJGL/data/92a28710a/6d980f21d4c04ed091cf19b3044b679e [2023-11-19 03:05:15,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:05:15,634 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:05:15,636 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:05:15,636 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:05:15,651 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:05:15,652 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:15" (1/1) ... [2023-11-19 03:05:15,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7308c155 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:15, skipping insertion in model container [2023-11-19 03:05:15,654 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:15" (1/1) ... [2023-11-19 03:05:15,742 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:05:16,199 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:05:16,216 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:05:16,295 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:05:16,373 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:05:16,381 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:05:16,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:16 WrapperNode [2023-11-19 03:05:16,382 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:05:16,383 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:05:16,383 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:05:16,384 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:05:16,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:16" (1/1) ... [2023-11-19 03:05:16,411 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:16" (1/1) ... [2023-11-19 03:05:16,434 INFO L138 Inliner]: procedures = 164, calls = 73, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 75 [2023-11-19 03:05:16,435 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:05:16,436 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:05:16,436 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:05:16,436 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:05:16,446 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:16" (1/1) ... [2023-11-19 03:05:16,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:16" (1/1) ... [2023-11-19 03:05:16,450 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:16" (1/1) ... [2023-11-19 03:05:16,450 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:16" (1/1) ... [2023-11-19 03:05:16,458 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:16" (1/1) ... [2023-11-19 03:05:16,462 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:16" (1/1) ... [2023-11-19 03:05:16,463 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:16" (1/1) ... [2023-11-19 03:05:16,465 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:16" (1/1) ... [2023-11-19 03:05:16,468 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:05:16,469 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:05:16,469 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:05:16,469 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:05:16,470 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:16" (1/1) ... [2023-11-19 03:05:16,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:05:16,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312dccb9-afeb-426e-8e4e-1bed297ce7e7/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:05:16,510 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312dccb9-afeb-426e-8e4e-1bed297ce7e7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:05:16,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_312dccb9-afeb-426e-8e4e-1bed297ce7e7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:05:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:05:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:05:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:05:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:05:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:05:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 03:05:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:05:16,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:05:16,745 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:05:16,748 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:05:17,025 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:05:17,130 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:05:17,130 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:05:17,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:05:17 BoogieIcfgContainer [2023-11-19 03:05:17,136 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:05:17,137 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:05:17,138 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:05:17,148 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:05:17,148 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:05:17" (1/1) ... [2023-11-19 03:05:17,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:05:17,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:17,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 28 states and 31 transitions. [2023-11-19 03:05:17,227 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2023-11-19 03:05:17,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:05:17,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:17,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:17,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:17,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:17,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:17,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 30 states and 33 transitions. [2023-11-19 03:05:17,659 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2023-11-19 03:05:17,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:05:17,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:17,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:18,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:18,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:18,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 29 states and 32 transitions. [2023-11-19 03:05:18,346 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2023-11-19 03:05:18,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:05:18,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:18,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:18,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:18,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:19,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:19,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 32 states and 38 transitions. [2023-11-19 03:05:19,724 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2023-11-19 03:05:19,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:05:19,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:19,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:19,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:20,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:20,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2023-11-19 03:05:20,299 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2023-11-19 03:05:20,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:05:20,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:20,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:20,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:20,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:20,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2023-11-19 03:05:20,520 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2023-11-19 03:05:20,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:05:20,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:20,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:20,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:20,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:20,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:20,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 47 transitions. [2023-11-19 03:05:20,935 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2023-11-19 03:05:20,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:05:20,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:20,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:21,863 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:23,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:23,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 42 states and 57 transitions. [2023-11-19 03:05:23,848 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 57 transitions. [2023-11-19 03:05:23,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:05:23,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:23,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:24,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:25,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:25,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 47 states and 66 transitions. [2023-11-19 03:05:25,904 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 66 transitions. [2023-11-19 03:05:25,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:05:25,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:25,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:25,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:25,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:26,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:26,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 50 states and 75 transitions. [2023-11-19 03:05:26,393 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 75 transitions. [2023-11-19 03:05:26,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:05:26,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:26,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:26,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:26,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:05:26,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:26,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 51 states and 77 transitions. [2023-11-19 03:05:26,667 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 77 transitions. [2023-11-19 03:05:26,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:05:26,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:26,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:26,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:26,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:27,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:27,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2023-11-19 03:05:27,573 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2023-11-19 03:05:27,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:05:27,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:27,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:27,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:27,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:29,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:29,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 59 states and 91 transitions. [2023-11-19 03:05:29,545 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 91 transitions. [2023-11-19 03:05:29,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:05:29,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:29,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:29,602 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:05:29,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:29,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 60 states and 92 transitions. [2023-11-19 03:05:29,838 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 92 transitions. [2023-11-19 03:05:29,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:05:29,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:29,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:29,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:30,332 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:32,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:32,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 64 states and 102 transitions. [2023-11-19 03:05:32,023 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 102 transitions. [2023-11-19 03:05:32,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:05:32,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:32,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:32,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:32,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:32,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:32,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 64 states and 101 transitions. [2023-11-19 03:05:32,749 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 101 transitions. [2023-11-19 03:05:32,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:05:32,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:32,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:34,668 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:38,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:38,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 69 states and 110 transitions. [2023-11-19 03:05:38,256 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 110 transitions. [2023-11-19 03:05:38,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:05:38,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:38,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:38,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:38,452 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:39,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:39,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 71 states and 113 transitions. [2023-11-19 03:05:39,616 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 113 transitions. [2023-11-19 03:05:39,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:05:39,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:39,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:39,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:40,217 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:43,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:43,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 78 states and 128 transitions. [2023-11-19 03:05:43,359 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 128 transitions. [2023-11-19 03:05:43,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:05:43,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:43,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:43,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:48,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:48,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 84 states and 140 transitions. [2023-11-19 03:05:48,513 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 140 transitions. [2023-11-19 03:05:48,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:05:48,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:48,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:48,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:49,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:56,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:56,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 93 states and 159 transitions. [2023-11-19 03:05:56,190 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 159 transitions. [2023-11-19 03:05:56,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:05:56,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:56,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:56,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:56,413 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:58,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:58,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 96 states and 170 transitions. [2023-11-19 03:05:58,059 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 170 transitions. [2023-11-19 03:05:58,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:05:58,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:58,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:58,124 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:58,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:58,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 97 states and 172 transitions. [2023-11-19 03:05:58,800 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 172 transitions. [2023-11-19 03:05:58,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:05:58,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:58,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:58,852 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:05:59,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:59,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 98 states and 173 transitions. [2023-11-19 03:05:59,385 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 173 transitions. [2023-11-19 03:05:59,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:05:59,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:59,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:00,840 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.