./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) 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_3fa87f4e-612c-459c-8cf8-ea9a58391b66/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa87f4e-612c-459c-8cf8-ea9a58391b66/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_3fa87f4e-612c-459c-8cf8-ea9a58391b66/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa87f4e-612c-459c-8cf8-ea9a58391b66/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa87f4e-612c-459c-8cf8-ea9a58391b66/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa87f4e-612c-459c-8cf8-ea9a58391b66/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-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3b13662719be51a1d3330a7f40f7706daa8c7b2d4044bc92f854095c09c7c129 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:01:49,238 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:01:49,352 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa87f4e-612c-459c-8cf8-ea9a58391b66/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 03:01:49,363 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:01:49,364 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:01:49,397 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:01:49,398 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:01:49,399 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:01:49,399 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:01:49,404 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:01:49,405 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:01:49,405 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:01:49,405 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:01:49,406 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:01:49,406 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:01:49,407 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:01:49,407 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:01:49,408 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:01:49,408 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:01:49,408 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:01:49,409 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:01:49,412 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:01:49,414 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:01:49,415 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:01:49,415 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:01:49,416 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:01:49,416 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:01:49,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:01:49,417 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:01:49,418 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:01:49,419 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:01:49,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:01:49,419 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_3fa87f4e-612c-459c-8cf8-ea9a58391b66/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa87f4e-612c-459c-8cf8-ea9a58391b66/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b13662719be51a1d3330a7f40f7706daa8c7b2d4044bc92f854095c09c7c129 [2023-11-19 03:01:49,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:01:49,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:01:49,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:01:49,718 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:01:49,718 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:01:49,719 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa87f4e-612c-459c-8cf8-ea9a58391b66/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i [2023-11-19 03:01:52,717 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:01:53,017 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:01:53,021 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa87f4e-612c-459c-8cf8-ea9a58391b66/sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i [2023-11-19 03:01:53,047 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa87f4e-612c-459c-8cf8-ea9a58391b66/bin/ukojak-verify-G8NBE6pJGL/data/3230c4f4f/2f7b5fe8ab894db3a0f446a5d4730545/FLAG41dc22d12 [2023-11-19 03:01:53,064 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa87f4e-612c-459c-8cf8-ea9a58391b66/bin/ukojak-verify-G8NBE6pJGL/data/3230c4f4f/2f7b5fe8ab894db3a0f446a5d4730545 [2023-11-19 03:01:53,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:01:53,071 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:01:53,073 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:01:53,073 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:01:53,078 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:01:53,081 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:01:53" (1/1) ... [2023-11-19 03:01:53,082 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c064d71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:53, skipping insertion in model container [2023-11-19 03:01:53,083 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:01:53" (1/1) ... [2023-11-19 03:01:53,163 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:01:53,719 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:01:53,729 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:01:53,788 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:01:53,854 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:01:53,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:53 WrapperNode [2023-11-19 03:01:53,855 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:01:53,856 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:01:53,856 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:01:53,856 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:01:53,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:53" (1/1) ... [2023-11-19 03:01:53,883 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:53" (1/1) ... [2023-11-19 03:01:53,961 INFO L138 Inliner]: procedures = 232, calls = 76, calls flagged for inlining = 34, calls inlined = 85, statements flattened = 652 [2023-11-19 03:01:53,962 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:01:53,963 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:01:53,963 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:01:53,968 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:01:53,976 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:53" (1/1) ... [2023-11-19 03:01:53,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:53" (1/1) ... [2023-11-19 03:01:53,987 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:53" (1/1) ... [2023-11-19 03:01:53,987 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:53" (1/1) ... [2023-11-19 03:01:54,010 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:53" (1/1) ... [2023-11-19 03:01:54,024 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:53" (1/1) ... [2023-11-19 03:01:54,028 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:53" (1/1) ... [2023-11-19 03:01:54,032 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:53" (1/1) ... [2023-11-19 03:01:54,041 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:01:54,042 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:01:54,042 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:01:54,042 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:01:54,043 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:53" (1/1) ... [2023-11-19 03:01:54,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:01:54,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa87f4e-612c-459c-8cf8-ea9a58391b66/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:01:54,082 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa87f4e-612c-459c-8cf8-ea9a58391b66/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:01:54,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa87f4e-612c-459c-8cf8-ea9a58391b66/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:01:54,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:01:54,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:01:54,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 03:01:54,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:01:54,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:01:54,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:01:54,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:01:54,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:01:54,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:01:54,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:01:54,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:01:54,309 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:01:54,311 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:01:55,097 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:01:55,295 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:01:55,295 INFO L302 CfgBuilder]: Removed 76 assume(true) statements. [2023-11-19 03:01:55,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:01:55 BoogieIcfgContainer [2023-11-19 03:01:55,303 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:01:55,304 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:01:55,304 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:01:55,314 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:01:55,314 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:01:55" (1/1) ... [2023-11-19 03:01:55,323 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:01:55,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:55,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 255 states and 403 transitions. [2023-11-19 03:01:55,385 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 403 transitions. [2023-11-19 03:01:55,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:01:55,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:55,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:55,536 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 03:01:55,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:55,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 254 states and 397 transitions. [2023-11-19 03:01:55,588 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 397 transitions. [2023-11-19 03:01:55,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:01:55,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:55,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:55,717 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 03:01:55,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:55,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 254 states and 395 transitions. [2023-11-19 03:01:55,725 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 395 transitions. [2023-11-19 03:01:55,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:01:55,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:55,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:55,965 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 03:01:56,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:56,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 251 states and 392 transitions. [2023-11-19 03:01:56,081 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 392 transitions. [2023-11-19 03:01:56,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:01:56,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:56,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:56,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:56,646 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 03:01:57,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:57,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 260 states and 402 transitions. [2023-11-19 03:01:57,441 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 402 transitions. [2023-11-19 03:01:57,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:01:57,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:57,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:57,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:58,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:59,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:59,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 272 states and 418 transitions. [2023-11-19 03:01:59,519 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 418 transitions. [2023-11-19 03:01:59,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:01:59,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:59,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:00,283 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:02:02,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:02,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 286 states and 446 transitions. [2023-11-19 03:02:02,829 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 446 transitions. [2023-11-19 03:02:02,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:02:02,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:02,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:02,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:03,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:06,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:06,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 299 states and 463 transitions. [2023-11-19 03:02:06,136 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 463 transitions. [2023-11-19 03:02:06,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:02:06,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:06,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:07,675 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 03:02:10,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:10,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 305 states and 482 transitions. [2023-11-19 03:02:10,480 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 482 transitions. [2023-11-19 03:02:10,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:02:10,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:10,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:11,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:16,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:16,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 322 states and 508 transitions. [2023-11-19 03:02:16,978 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 508 transitions. [2023-11-19 03:02:16,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:02:16,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:16,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:17,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:17,588 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:02:18,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:18,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 322 states and 507 transitions. [2023-11-19 03:02:18,332 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 507 transitions. [2023-11-19 03:02:18,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:02:18,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:18,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:18,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:19,825 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 03:02:22,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:22,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 325 states and 513 transitions. [2023-11-19 03:02:22,805 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 513 transitions. [2023-11-19 03:02:22,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:02:22,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:22,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:22,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:24,090 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 03:02:31,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:31,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 344 states and 539 transitions. [2023-11-19 03:02:31,884 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 539 transitions. [2023-11-19 03:02:31,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:02:31,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:31,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:32,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:35,063 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:43,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:43,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 360 states and 576 transitions. [2023-11-19 03:02:43,241 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 576 transitions. [2023-11-19 03:02:43,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:02:43,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:43,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat