./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31046264-477a-47ce-ad85-380ba6eb6f55/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31046264-477a-47ce-ad85-380ba6eb6f55/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31046264-477a-47ce-ad85-380ba6eb6f55/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31046264-477a-47ce-ad85-380ba6eb6f55/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31046264-477a-47ce-ad85-380ba6eb6f55/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31046264-477a-47ce-ad85-380ba6eb6f55/bin/ukojak-verify-Qdu7aM0XO9 --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 43f8392da149a5e37da963296eece1aed541fa66405941aca1908b78e9471c4c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:24:10,245 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:24:10,333 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31046264-477a-47ce-ad85-380ba6eb6f55/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-12-02 21:24:10,338 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:24:10,339 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:24:10,366 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:24:10,368 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:24:10,368 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:24:10,369 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:24:10,370 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:24:10,370 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:24:10,371 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:24:10,371 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:24:10,372 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 21:24:10,372 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 21:24:10,373 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 21:24:10,374 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:24:10,374 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:24:10,375 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:24:10,375 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:24:10,376 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:24:10,377 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:24:10,377 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:24:10,378 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:24:10,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:24:10,379 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:24:10,379 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:24:10,380 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:24:10,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:24:10,381 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_31046264-477a-47ce-ad85-380ba6eb6f55/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31046264-477a-47ce-ad85-380ba6eb6f55/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43f8392da149a5e37da963296eece1aed541fa66405941aca1908b78e9471c4c [2023-12-02 21:24:10,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:24:10,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:24:10,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:24:10,684 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:24:10,685 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:24:10,686 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31046264-477a-47ce-ad85-380ba6eb6f55/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_5.i [2023-12-02 21:24:13,519 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:24:13,786 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:24:13,787 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31046264-477a-47ce-ad85-380ba6eb6f55/sv-benchmarks/c/ldv-memsafety/memleaks_test22_5.i [2023-12-02 21:24:13,806 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31046264-477a-47ce-ad85-380ba6eb6f55/bin/ukojak-verify-Qdu7aM0XO9/data/bc0345d84/0b578a3959fe4c6f8e5b4a716045e493/FLAG870c40c11 [2023-12-02 21:24:13,825 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31046264-477a-47ce-ad85-380ba6eb6f55/bin/ukojak-verify-Qdu7aM0XO9/data/bc0345d84/0b578a3959fe4c6f8e5b4a716045e493 [2023-12-02 21:24:13,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:24:13,831 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:24:13,833 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:24:13,833 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:24:13,837 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:24:13,838 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:24:13" (1/1) ... [2023-12-02 21:24:13,839 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54af98f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:13, skipping insertion in model container [2023-12-02 21:24:13,840 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:24:13" (1/1) ... [2023-12-02 21:24:13,895 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:24:14,243 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:24:14,262 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:24:14,313 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:24:14,350 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:24:14,359 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:24:14,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:14 WrapperNode [2023-12-02 21:24:14,359 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:24:14,361 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:24:14,361 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:24:14,361 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:24:14,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:14" (1/1) ... [2023-12-02 21:24:14,390 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:14" (1/1) ... [2023-12-02 21:24:14,423 INFO L138 Inliner]: procedures = 166, calls = 72, calls flagged for inlining = 33, calls inlined = 25, statements flattened = 179 [2023-12-02 21:24:14,423 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:24:14,424 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:24:14,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:24:14,425 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:24:14,435 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:14" (1/1) ... [2023-12-02 21:24:14,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:14" (1/1) ... [2023-12-02 21:24:14,441 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:14" (1/1) ... [2023-12-02 21:24:14,441 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:14" (1/1) ... [2023-12-02 21:24:14,454 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:14" (1/1) ... [2023-12-02 21:24:14,457 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:14" (1/1) ... [2023-12-02 21:24:14,460 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:14" (1/1) ... [2023-12-02 21:24:14,462 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:14" (1/1) ... [2023-12-02 21:24:14,466 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:24:14,467 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:24:14,467 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:24:14,467 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:24:14,468 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:14" (1/1) ... [2023-12-02 21:24:14,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:24:14,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31046264-477a-47ce-ad85-380ba6eb6f55/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:24:14,499 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31046264-477a-47ce-ad85-380ba6eb6f55/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:24:14,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31046264-477a-47ce-ad85-380ba6eb6f55/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:24:14,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 21:24:14,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 21:24:14,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 21:24:14,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:24:14,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 21:24:14,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 21:24:14,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:24:14,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 21:24:14,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:24:14,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:24:14,710 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:24:14,714 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:24:15,099 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:24:15,177 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:24:15,177 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:24:15,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:24:15 BoogieIcfgContainer [2023-12-02 21:24:15,179 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:24:15,180 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:24:15,180 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:24:15,193 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:24:15,194 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:24:15" (1/1) ... [2023-12-02 21:24:15,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:24:15,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:15,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 78 states and 87 transitions. [2023-12-02 21:24:15,269 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 87 transitions. [2023-12-02 21:24:15,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 21:24:15,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:15,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:24:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:15,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:24:15,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:15,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 77 states and 86 transitions. [2023-12-02 21:24:15,693 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 86 transitions. [2023-12-02 21:24:15,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:24:15,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:15,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:24:15,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:16,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:24:16,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:16,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 76 states and 85 transitions. [2023-12-02 21:24:16,385 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2023-12-02 21:24:16,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 21:24:16,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:16,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:24:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:16,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:24:16,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:16,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 78 states and 87 transitions. [2023-12-02 21:24:16,625 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 87 transitions. [2023-12-02 21:24:16,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:24:16,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:16,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:24:16,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:16,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:24:16,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:16,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 80 states and 89 transitions. [2023-12-02 21:24:16,931 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 89 transitions. [2023-12-02 21:24:16,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 21:24:16,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:16,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:24:16,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:17,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:24:17,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:17,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 86 states and 97 transitions. [2023-12-02 21:24:17,910 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2023-12-02 21:24:17,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 21:24:17,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:17,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:24:17,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:18,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:24:18,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:18,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 85 states and 96 transitions. [2023-12-02 21:24:18,797 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2023-12-02 21:24:18,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 21:24:18,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:18,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:24:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:19,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:24:21,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:21,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 84 states and 95 transitions. [2023-12-02 21:24:21,100 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 95 transitions. [2023-12-02 21:24:21,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:24:21,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:21,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:24:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:21,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:24:21,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:21,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 83 states and 94 transitions. [2023-12-02 21:24:21,645 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 94 transitions. [2023-12-02 21:24:21,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:24:21,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:21,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:24:21,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:22,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:24:23,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:23,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 82 states and 93 transitions. [2023-12-02 21:24:23,410 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2023-12-02 21:24:23,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 21:24:23,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:23,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:24:23,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:23,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:24:24,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:24,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 82 states and 92 transitions. [2023-12-02 21:24:24,736 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2023-12-02 21:24:24,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 21:24:24,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:24,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:24:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:24,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:24:24,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:24,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 81 states and 91 transitions. [2023-12-02 21:24:24,781 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 91 transitions. [2023-12-02 21:24:24,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 21:24:24,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:24,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:24:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:25,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:24:25,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:25,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 80 states and 90 transitions. [2023-12-02 21:24:25,783 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 90 transitions. [2023-12-02 21:24:25,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 21:24:25,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:25,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:24:25,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:26,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:24:27,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:27,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 82 states and 92 transitions. [2023-12-02 21:24:27,249 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2023-12-02 21:24:27,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 21:24:27,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:27,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:24:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:27,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:24:27,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:27,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 82 states and 91 transitions. [2023-12-02 21:24:27,944 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2023-12-02 21:24:27,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 21:24:27,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:27,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:24:27,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:28,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:24:30,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:30,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 81 states and 90 transitions. [2023-12-02 21:24:30,676 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 90 transitions. [2023-12-02 21:24:30,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 21:24:30,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:30,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:24:30,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:32,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:24:36,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:36,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 80 states and 89 transitions. [2023-12-02 21:24:36,389 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 89 transitions. [2023-12-02 21:24:36,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 21:24:36,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:36,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:24:36,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:36,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:24:36,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:36,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 79 states and 88 transitions. [2023-12-02 21:24:36,459 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 88 transitions. [2023-12-02 21:24:36,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 21:24:36,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:36,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:24:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:36,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:24:37,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:37,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 78 states and 87 transitions. [2023-12-02 21:24:37,205 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 87 transitions. [2023-12-02 21:24:37,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 21:24:37,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:37,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:24:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:37,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:24:38,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:38,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 79 states and 88 transitions. [2023-12-02 21:24:38,564 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 88 transitions. [2023-12-02 21:24:38,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 21:24:38,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:38,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:24:38,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:38,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:24:40,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:40,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 78 states and 87 transitions. [2023-12-02 21:24:40,213 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 87 transitions. [2023-12-02 21:24:40,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 21:24:40,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:40,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:24:40,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:40,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:24:45,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:45,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 76 states and 84 transitions. [2023-12-02 21:24:45,972 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2023-12-02 21:24:45,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 21:24:45,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:45,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:24:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:46,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:24:49,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:49,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 75 states and 83 transitions. [2023-12-02 21:24:49,619 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 83 transitions. [2023-12-02 21:24:49,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:24:49,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:49,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:24:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:50,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:25:01,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:01,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 74 states and 82 transitions. [2023-12-02 21:25:01,524 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions. [2023-12-02 21:25:01,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:25:01,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:01,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:01,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:02,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:25:18,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:18,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 73 states and 81 transitions. [2023-12-02 21:25:18,746 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2023-12-02 21:25:18,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 21:25:18,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:18,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:18,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:19,182 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:25:24,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:24,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 77 states and 88 transitions. [2023-12-02 21:25:24,313 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 88 transitions. [2023-12-02 21:25:24,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 21:25:24,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:24,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:24,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:25,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:25:32,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:32,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 81 states and 95 transitions. [2023-12-02 21:25:32,466 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 95 transitions. [2023-12-02 21:25:32,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 21:25:32,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:32,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:32,505 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:25:34,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:34,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 80 states and 94 transitions. [2023-12-02 21:25:34,166 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 94 transitions. [2023-12-02 21:25:34,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 21:25:34,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:34,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:34,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:34,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:25:40,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:40,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 81 states and 95 transitions. [2023-12-02 21:25:40,469 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 95 transitions. [2023-12-02 21:25:40,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 21:25:40,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:40,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:40,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:40,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:25:40,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:40,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 80 states and 94 transitions. [2023-12-02 21:25:40,532 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 94 transitions. [2023-12-02 21:25:40,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 21:25:40,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:40,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:40,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:25:40,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:40,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 79 states and 93 transitions. [2023-12-02 21:25:40,594 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 93 transitions. [2023-12-02 21:25:40,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 21:25:40,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:40,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:40,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:41,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:25:43,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:43,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 80 states and 94 transitions. [2023-12-02 21:25:43,653 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 94 transitions. [2023-12-02 21:25:43,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 21:25:43,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:43,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:43,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:44,477 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:25:46,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:46,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 81 states and 95 transitions. [2023-12-02 21:25:46,472 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 95 transitions. [2023-12-02 21:25:46,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 21:25:46,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:46,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:46,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:47,859 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:25:50,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:50,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 82 states and 96 transitions. [2023-12-02 21:25:50,339 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 96 transitions. [2023-12-02 21:25:50,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 21:25:50,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:50,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:51,463 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:25:53,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:53,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 83 states and 97 transitions. [2023-12-02 21:25:53,843 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 97 transitions. [2023-12-02 21:25:53,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 21:25:53,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:53,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:54,602 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:25:56,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:56,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 84 states and 98 transitions. [2023-12-02 21:25:56,460 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 98 transitions. [2023-12-02 21:25:56,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 21:25:56,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:56,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:58,019 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:26:00,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:26:00,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 85 states and 99 transitions. [2023-12-02 21:26:00,623 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 99 transitions. [2023-12-02 21:26:00,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 21:26:00,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:26:00,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:26:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:26:01,582 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:26:03,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:26:03,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 86 states and 100 transitions. [2023-12-02 21:26:03,731 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2023-12-02 21:26:03,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 21:26:03,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:26:03,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:26:03,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:26:05,068 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:26:07,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:26:07,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 87 states and 101 transitions. [2023-12-02 21:26:07,765 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 101 transitions. [2023-12-02 21:26:07,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:26:07,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:26:07,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:26:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:26:08,581 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:26:10,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:26:10,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 88 states and 102 transitions. [2023-12-02 21:26:10,699 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 102 transitions. [2023-12-02 21:26:10,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 21:26:10,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:26:10,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:26:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:26:12,550 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:26:15,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:26:15,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 89 states and 103 transitions. [2023-12-02 21:26:15,509 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 103 transitions. [2023-12-02 21:26:15,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 21:26:15,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:26:15,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:26:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:26:16,865 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:26:19,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:26:19,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 90 states and 104 transitions. [2023-12-02 21:26:19,229 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2023-12-02 21:26:19,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 21:26:19,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:26:19,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:26:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:26:20,655 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:26:23,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:26:23,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 91 states and 105 transitions. [2023-12-02 21:26:23,317 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 105 transitions. [2023-12-02 21:26:23,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 21:26:23,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:26:23,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:26:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:26:24,674 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:26:27,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:26:27,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 92 states and 106 transitions. [2023-12-02 21:26:27,211 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 106 transitions. [2023-12-02 21:26:27,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 21:26:27,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:26:27,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:26:27,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:26:28,245 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:26:30,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:26:30,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 93 states and 107 transitions. [2023-12-02 21:26:30,454 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 107 transitions. [2023-12-02 21:26:30,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 21:26:30,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:26:30,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:26:30,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:26:36,456 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:26:43,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:26:43,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 94 states and 108 transitions. [2023-12-02 21:26:43,817 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2023-12-02 21:26:43,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 21:26:43,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:26:43,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:26:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:26:58,839 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 1 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:28:10,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:28:10,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 93 states and 107 transitions. [2023-12-02 21:28:10,242 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 107 transitions. [2023-12-02 21:28:10,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 21:28:10,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:28:10,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:28:10,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:28:11,708 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-02 21:28:17,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:28:17,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 96 states and 112 transitions. [2023-12-02 21:28:17,480 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 112 transitions. [2023-12-02 21:28:17,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 21:28:17,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:28:17,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:28:17,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:28:18,559 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-02 21:28:22,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:28:22,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 99 states and 117 transitions. [2023-12-02 21:28:22,167 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 117 transitions. [2023-12-02 21:28:22,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 21:28:22,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:28:22,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:28:22,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:28:39,918 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 91 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:30:05,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:05,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 94 states and 111 transitions. [2023-12-02 21:30:05,440 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 111 transitions. [2023-12-02 21:30:05,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 21:30:05,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:05,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:30:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:07,345 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-02 21:30:20,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:20,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 102 states and 122 transitions. [2023-12-02 21:30:20,935 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 122 transitions. [2023-12-02 21:30:20,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 21:30:20,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:20,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:30:20,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:37,638 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:31:22,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:22,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 109 states and 135 transitions. [2023-12-02 21:31:22,505 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 135 transitions. [2023-12-02 21:31:22,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 21:31:22,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:22,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:23,473 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-02 21:31:36,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:36,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 118 states and 148 transitions. [2023-12-02 21:31:36,030 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 148 transitions. [2023-12-02 21:31:36,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 21:31:36,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:36,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:36,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:36,084 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-02 21:31:36,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:36,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 117 states and 147 transitions. [2023-12-02 21:31:36,120 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 147 transitions. [2023-12-02 21:31:36,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 21:31:36,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:36,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:36,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:31:36,172 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:31:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:31:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:31:43,988 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:31:51,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:31:51,103 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 54 iterations. [2023-12-02 21:31:51,155 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-12-02 21:31:51,156 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-12-02 21:31:51,156 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-12-02 21:31:51,157 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-12-02 21:31:51,157 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-12-02 21:31:51,158 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-12-02 21:31:51,158 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-12-02 21:31:51,159 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-12-02 21:31:51,159 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-12-02 21:31:51,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:31:51 ImpRootNode [2023-12-02 21:31:51,166 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:31:51,167 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:31:51,167 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:31:51,167 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:31:51,167 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:24:15" (3/4) ... [2023-12-02 21:31:51,168 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-12-02 21:31:51,185 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-12-02 21:31:51,185 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-12-02 21:31:51,185 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-12-02 21:31:51,186 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-12-02 21:31:51,186 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-12-02 21:31:51,187 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-12-02 21:31:51,187 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-12-02 21:31:51,187 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-12-02 21:31:51,188 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 [2023-12-02 21:31:51,230 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31046264-477a-47ce-ad85-380ba6eb6f55/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 21:31:51,230 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:31:51,231 INFO L158 Benchmark]: Toolchain (without parser) took 457399.78ms. Allocated memory was 151.0MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 111.6MB in the beginning and 713.6MB in the end (delta: -602.0MB). Peak memory consumption was 630.7MB. Max. memory is 16.1GB. [2023-12-02 21:31:51,231 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 115.3MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:31:51,232 INFO L158 Benchmark]: CACSL2BoogieTranslator took 526.99ms. Allocated memory is still 151.0MB. Free memory was 111.0MB in the beginning and 104.5MB in the end (delta: 6.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 21:31:51,232 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.04ms. Allocated memory is still 151.0MB. Free memory was 104.5MB in the beginning and 101.3MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:31:51,233 INFO L158 Benchmark]: Boogie Preprocessor took 41.97ms. Allocated memory is still 151.0MB. Free memory was 101.3MB in the beginning and 99.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:31:51,233 INFO L158 Benchmark]: RCFGBuilder took 712.34ms. Allocated memory is still 151.0MB. Free memory was 99.0MB in the beginning and 68.4MB in the end (delta: 30.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-12-02 21:31:51,234 INFO L158 Benchmark]: CodeCheck took 455985.97ms. Allocated memory was 151.0MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 68.4MB in the beginning and 718.9MB in the end (delta: -650.5MB). Peak memory consumption was 583.9MB. Max. memory is 16.1GB. [2023-12-02 21:31:51,234 INFO L158 Benchmark]: Witness Printer took 63.81ms. Allocated memory is still 1.4GB. Free memory was 718.9MB in the beginning and 713.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 21:31:51,236 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 78 locations, 33 error locations. Started 1 CEGAR loops. OverallTime: 455.9s, OverallIterations: 54, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7865 SdHoareTripleChecker+Valid, 59.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6266 mSDsluCounter, 2728 SdHoareTripleChecker+Invalid, 52.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1946 mSDsCounter, 8287 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34298 IncrementalHoareTripleChecker+Invalid, 42585 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8287 mSolverCounterUnsat, 782 mSDtfsCounter, 34298 mSolverCounterSat, 0.8s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10257 GetRequests, 8660 SyntacticMatches, 327 SemanticMatches, 1270 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 803569 ImplicationChecksByTransitivity, 419.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 8.4s SatisfiabilityAnalysisTime, 89.0s InterpolantComputationTime, 1266 NumberOfCodeBlocks, 1266 NumberOfCodeBlocksAsserted, 54 NumberOfCheckSat, 1170 ConstructedInterpolants, 0 QuantifiedInterpolants, 6236 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 53 InterpolantComputations, 35 PerfectInterpolantSequences, 789/1779 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L770] CALL entry_point() [L764] struct ldv_kobject *kobj; [L765] CALL, EXPR ldv_kobject_create() [L740] struct ldv_kobject *kobj; [L741] CALL, EXPR ldv_malloc(sizeof(*kobj)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L741] RET, EXPR ldv_malloc(sizeof(*kobj)) [L741] kobj = ldv_malloc(sizeof(*kobj)) [L742] COND FALSE !(!kobj) [L744] FCALL memset(kobj, 0, sizeof(*kobj)) [L745] CALL ldv_kobject_init(kobj) [L730] COND FALSE !(!kobj) [L733] CALL ldv_kobject_init_internal(kobj) [L723] COND FALSE !(!kobj) [L725] CALL ldv_kref_init(&kobj->kref) [L682] ((&kref->refcount)->counter) = (1) [L725] RET ldv_kref_init(&kobj->kref) [L726] CALL LDV_INIT_LIST_HEAD(&kobj->entry) [L540] list->next = list VAL [ldv_global_msg_list={1:0}, list={-1:4}, list={-1:4}] [L541] list->prev = list [L726] RET LDV_INIT_LIST_HEAD(&kobj->entry) [L733] RET ldv_kobject_init_internal(kobj) [L745] RET ldv_kobject_init(kobj) [L746] return kobj; VAL [\result={-1:0}, kobj={-1:0}, ldv_global_msg_list={1:0}] [L765] RET, EXPR ldv_kobject_create() [L765] kobj = ldv_kobject_create() [L766] CALL f_22_put(kobj) [L761] CALL ldv_kobject_put(kobj) [L711] COND TRUE \read(*kobj) [L712] CALL ldv_kref_put(&kobj->kref, ldv_kobject_release) [L690] CALL, EXPR ldv_kref_sub(kref, 1, release) [L674] CALL, EXPR ldv_atomic_sub_return(((int) count), (&kref->refcount)) [L665] int temp; VAL [\old(i)=1, i=1, ldv_global_msg_list={1:0}, v={-1:12}, v={-1:12}] [L666] EXPR v->counter [L666] temp = v->counter [L667] temp -= i VAL [\old(i)=1, i=1, ldv_global_msg_list={1:0}, temp=0, v={-1:12}, v={-1:12}] [L668] v->counter = temp [L669] return temp; [L674] RET, EXPR ldv_atomic_sub_return(((int) count), (&kref->refcount)) [L674] COND TRUE (ldv_atomic_sub_return(((int) count), (&kref->refcount)) == 0) [L675] CALL release(kref) [L706] const typeof( ((struct ldv_kobject *)0)->kref ) *__mptr = (kref); [L706] { const typeof( ((struct ldv_kobject *)0)->kref ) *__mptr = (kref); (struct ldv_kobject *)( (char *)__mptr - ((size_t) &((struct ldv_kobject *)0)->kref) );} [L706] { const typeof( ((struct ldv_kobject *)0)->kref ) *__mptr = (kref); (struct ldv_kobject *)( (char *)__mptr - ((size_t) &((struct ldv_kobject *)0)->kref) );} [L706] struct ldv_kobject *kobj = ({ const typeof( ((struct ldv_kobject *)0)->kref ) *__mptr = (kref); (struct ldv_kobject *)( (char *)__mptr - ((size_t) &((struct ldv_kobject *)0)->kref) );}); [L707] CALL ldv_kobject_cleanup(kobj) [L699] EXPR kobj->name [L699] char *name = kobj->name; [L700] free(kobj) VAL [kobj={-1:0}, kobj={-1:0}, ldv_global_msg_list={1:0}, name={0:0}] [L700] free(kobj) VAL [kobj={-1:0}, kobj={-1:0}, ldv_global_msg_list={1:0}, name={0:0}] [L700] free(kobj) [L701] COND FALSE !(\read(*name)) VAL [kobj={-1:0}, kobj={-1:0}, ldv_global_msg_list={1:0}, name={0:0}] [L707] RET ldv_kobject_cleanup(kobj) [L675] RET release(kref) [L676] return 1; VAL [\old(count)=1, \result=1, count=1, kref={-1:12}, kref={-1:12}, ldv_global_msg_list={1:0}, release={-1:0}, release={-1:0}] [L690] RET, EXPR ldv_kref_sub(kref, 1, release) [L690] return ldv_kref_sub(kref, 1, release); [L712] RET ldv_kref_put(&kobj->kref, ldv_kobject_release) [L761] RET ldv_kobject_put(kobj) [L766] RET f_22_put(kobj) [L767] CALL ldv_kobject_put(kobj) [L711] COND TRUE \read(*kobj) [L712] CALL ldv_kref_put(&kobj->kref, ldv_kobject_release) [L690] CALL ldv_kref_sub(kref, 1, release) [L674] CALL ldv_atomic_sub_return(((int) count), (&kref->refcount)) [L665] int temp; VAL [\old(i)=1, i=1, ldv_global_msg_list={1:0}, v={-1:12}, v={-1:12}] [L666] v->counter * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 115.3MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 526.99ms. Allocated memory is still 151.0MB. Free memory was 111.0MB in the beginning and 104.5MB in the end (delta: 6.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.04ms. Allocated memory is still 151.0MB. Free memory was 104.5MB in the beginning and 101.3MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.97ms. Allocated memory is still 151.0MB. Free memory was 101.3MB in the beginning and 99.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 712.34ms. Allocated memory is still 151.0MB. Free memory was 99.0MB in the beginning and 68.4MB in the end (delta: 30.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * CodeCheck took 455985.97ms. Allocated memory was 151.0MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 68.4MB in the beginning and 718.9MB in the end (delta: -650.5MB). Peak memory consumption was 583.9MB. Max. memory is 16.1GB. * Witness Printer took 63.81ms. Allocated memory is still 1.4GB. Free memory was 718.9MB in the beginning and 713.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_memset_#res#1 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-12-02 21:31:51,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31046264-477a-47ce-ad85-380ba6eb6f55/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref)