./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cf46f6-292e-4f39-9349-481922705003/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cf46f6-292e-4f39-9349-481922705003/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cf46f6-292e-4f39-9349-481922705003/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cf46f6-292e-4f39-9349-481922705003/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cf46f6-292e-4f39-9349-481922705003/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cf46f6-292e-4f39-9349-481922705003/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 27e059eb1633b1ab9c045484375455e2667fa3360a55d0bc53eccfa53fe7600f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:51:39,259 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:51:39,318 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cf46f6-292e-4f39-9349-481922705003/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 03:51:39,323 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:51:39,323 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:51:39,344 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:51:39,345 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:51:39,345 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:51:39,345 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:51:39,345 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:51:39,345 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:51:39,345 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:51:39,346 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:51:39,346 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:51:39,346 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:51:39,346 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:51:39,346 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:51:39,346 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:51:39,346 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:51:39,346 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:51:39,346 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:51:39,346 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:51:39,346 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:51:39,346 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:51:39,347 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:51:39,347 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:51:39,347 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:51:39,347 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:51:39,347 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:51:39,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:51:39,347 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:51:39,347 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:51:39,347 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:51:39,347 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:51:39,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:51:39,348 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_30cf46f6-292e-4f39-9349-481922705003/bin/ukojak-verify-CZk0znPC7b 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 ! overflow) ) 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 -> 27e059eb1633b1ab9c045484375455e2667fa3360a55d0bc53eccfa53fe7600f [2024-12-06 03:51:39,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:51:39,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:51:39,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:51:39,599 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:51:39,599 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:51:39,600 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cf46f6-292e-4f39-9349-481922705003/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i [2024-12-06 03:51:42,309 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cf46f6-292e-4f39-9349-481922705003/bin/ukojak-verify-CZk0znPC7b/data/acd06217c/78709a583fec4994ab5dd08459bd3c73/FLAGa29a51b09 [2024-12-06 03:51:42,546 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:51:42,547 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cf46f6-292e-4f39-9349-481922705003/sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i [2024-12-06 03:51:42,559 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cf46f6-292e-4f39-9349-481922705003/bin/ukojak-verify-CZk0znPC7b/data/acd06217c/78709a583fec4994ab5dd08459bd3c73/FLAGa29a51b09 [2024-12-06 03:51:42,574 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cf46f6-292e-4f39-9349-481922705003/bin/ukojak-verify-CZk0znPC7b/data/acd06217c/78709a583fec4994ab5dd08459bd3c73 [2024-12-06 03:51:42,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:51:42,578 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:51:42,579 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:51:42,579 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:51:42,584 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:51:42,585 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:51:42" (1/1) ... [2024-12-06 03:51:42,586 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aa7c67a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:51:42, skipping insertion in model container [2024-12-06 03:51:42,586 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:51:42" (1/1) ... [2024-12-06 03:51:42,614 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:51:42,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:51:42,934 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:51:42,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:51:43,017 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:51:43,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:51:43 WrapperNode [2024-12-06 03:51:43,018 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:51:43,019 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:51:43,019 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:51:43,019 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:51:43,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:51:43" (1/1) ... [2024-12-06 03:51:43,039 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:51:43" (1/1) ... [2024-12-06 03:51:43,055 INFO L138 Inliner]: procedures = 164, calls = 73, calls flagged for inlining = 21, calls inlined = 3, statements flattened = 50 [2024-12-06 03:51:43,056 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:51:43,056 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:51:43,056 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:51:43,056 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:51:43,063 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:51:43" (1/1) ... [2024-12-06 03:51:43,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:51:43" (1/1) ... [2024-12-06 03:51:43,065 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:51:43" (1/1) ... [2024-12-06 03:51:43,066 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:51:43" (1/1) ... [2024-12-06 03:51:43,070 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:51:43" (1/1) ... [2024-12-06 03:51:43,071 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:51:43" (1/1) ... [2024-12-06 03:51:43,074 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:51:43" (1/1) ... [2024-12-06 03:51:43,075 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:51:43" (1/1) ... [2024-12-06 03:51:43,076 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:51:43" (1/1) ... [2024-12-06 03:51:43,077 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:51:43,078 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:51:43,078 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:51:43,078 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:51:43,079 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:51:43" (1/1) ... [2024-12-06 03:51:43,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:51:43,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cf46f6-292e-4f39-9349-481922705003/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:51:43,101 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cf46f6-292e-4f39-9349-481922705003/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:51:43,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cf46f6-292e-4f39-9349-481922705003/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:51:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-06 03:51:43,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-06 03:51:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 03:51:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:51:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 03:51:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 03:51:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 03:51:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 03:51:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:51:43,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:51:43,203 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:51:43,205 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:51:43,312 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-12-06 03:51:43,312 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:51:43,343 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:51:43,344 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 03:51:43,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:51:43 BoogieIcfgContainer [2024-12-06 03:51:43,344 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:51:43,345 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:51:43,345 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:51:43,354 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:51:43,354 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:51:43" (1/1) ... [2024-12-06 03:51:43,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:51:43,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:51:43,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2024-12-06 03:51:43,409 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2024-12-06 03:51:43,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 03:51:43,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:51:43,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:51:43,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:43,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 03:51:43,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:51:43,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 38 transitions. [2024-12-06 03:51:43,699 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2024-12-06 03:51:43,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 03:51:43,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:51:43,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:51:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:43,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 03:51:43,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:51:43,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2024-12-06 03:51:43,845 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2024-12-06 03:51:43,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 03:51:43,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:51:43,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:51:43,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:43,905 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 03:51:43,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:51:43,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2024-12-06 03:51:43,920 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2024-12-06 03:51:43,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 03:51:43,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:51:43,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:51:43,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:43,986 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 03:51:44,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:51:44,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 33 states and 41 transitions. [2024-12-06 03:51:44,002 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2024-12-06 03:51:44,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 03:51:44,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:51:44,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:51:44,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:44,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 03:51:44,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:51:44,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2024-12-06 03:51:44,094 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2024-12-06 03:51:44,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 03:51:44,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:51:44,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:51:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:44,187 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 03:51:44,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:51:44,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 39 states and 52 transitions. [2024-12-06 03:51:44,257 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 52 transitions. [2024-12-06 03:51:44,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 03:51:44,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:51:44,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:51:44,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:44,364 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 03:51:44,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:51:44,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 40 states and 53 transitions. [2024-12-06 03:51:44,423 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 53 transitions. [2024-12-06 03:51:44,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 03:51:44,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:51:44,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:51:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:44,506 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 03:51:44,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:51:44,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 46 states and 62 transitions. [2024-12-06 03:51:44,622 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2024-12-06 03:51:44,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 03:51:44,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:51:44,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:51:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:44,722 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 03:51:44,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:51:44,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 48 states and 64 transitions. [2024-12-06 03:51:44,841 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 64 transitions. [2024-12-06 03:51:44,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 03:51:44,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:51:44,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:51:44,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:44,907 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-06 03:51:44,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:51:44,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 47 states and 63 transitions. [2024-12-06 03:51:44,946 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2024-12-06 03:51:44,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 03:51:44,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:51:44,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:51:44,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:45,076 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 03:51:45,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:51:45,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2024-12-06 03:51:45,238 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2024-12-06 03:51:45,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 03:51:45,238 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:51:45,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:51:45,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:45,352 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 03:51:45,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:51:45,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 42 states and 53 transitions. [2024-12-06 03:51:45,392 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2024-12-06 03:51:45,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 03:51:45,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:51:45,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:51:45,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:45,472 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-06 03:51:45,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:51:45,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 41 states and 52 transitions. [2024-12-06 03:51:45,586 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2024-12-06 03:51:45,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 03:51:45,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:51:45,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:51:45,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:45,764 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 03:51:46,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:51:46,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 47 states and 61 transitions. [2024-12-06 03:51:46,021 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2024-12-06 03:51:46,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:51:46,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:51:46,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:51:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:46,200 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 03:51:46,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:51:46,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 52 states and 66 transitions. [2024-12-06 03:51:46,420 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2024-12-06 03:51:46,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-06 03:51:46,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:51:46,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:51:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:46,654 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-06 03:51:46,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:51:46,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 58 states and 75 transitions. [2024-12-06 03:51:46,956 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 75 transitions. [2024-12-06 03:51:46,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-06 03:51:46,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:51:46,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:51:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:47,152 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-06 03:51:47,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:51:47,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 63 states and 80 transitions. [2024-12-06 03:51:47,395 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2024-12-06 03:51:47,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 03:51:47,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:51:47,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:51:47,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:47,609 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-06 03:51:47,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:51:47,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 69 states and 89 transitions. [2024-12-06 03:51:47,933 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 89 transitions. [2024-12-06 03:51:47,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 03:51:47,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:51:47,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:51:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:48,131 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-06 03:51:48,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:51:48,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 74 states and 94 transitions. [2024-12-06 03:51:48,380 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 94 transitions. [2024-12-06 03:51:48,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-06 03:51:48,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:51:48,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:51:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:48,649 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-06 03:51:49,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:51:49,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 80 states and 103 transitions. [2024-12-06 03:51:49,026 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 103 transitions. [2024-12-06 03:51:49,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-12-06 03:51:49,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:51:49,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:51:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:49,288 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-06 03:51:49,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:51:49,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 85 states and 108 transitions. [2024-12-06 03:51:49,584 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 108 transitions. [2024-12-06 03:51:49,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-12-06 03:51:49,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:51:49,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:51:49,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:49,839 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-12-06 03:51:50,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:51:50,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 91 states and 117 transitions. [2024-12-06 03:51:50,260 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 117 transitions. [2024-12-06 03:51:50,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 03:51:50,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:51:50,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:51:50,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:50,579 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-12-06 03:51:50,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:51:50,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 96 states and 122 transitions. [2024-12-06 03:51:50,896 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 122 transitions. [2024-12-06 03:51:50,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-12-06 03:51:50,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:51:50,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:51:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:51,259 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-12-06 03:51:51,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:51:51,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 102 states and 131 transitions. [2024-12-06 03:51:51,665 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 131 transitions. [2024-12-06 03:51:51,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-12-06 03:51:51,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:51:51,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:51:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:52,011 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-12-06 03:51:52,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:51:52,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 107 states and 136 transitions. [2024-12-06 03:51:52,328 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 136 transitions. [2024-12-06 03:51:52,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-12-06 03:51:52,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:51:52,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:51:52,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:52,659 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-12-06 03:51:53,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:51:53,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 113 states and 145 transitions. [2024-12-06 03:51:53,116 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 145 transitions. [2024-12-06 03:51:53,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-12-06 03:51:53,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:51:53,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:51:53,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:53,518 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-12-06 03:51:53,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:51:53,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 118 states and 150 transitions. [2024-12-06 03:51:53,906 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 150 transitions. [2024-12-06 03:51:53,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-12-06 03:51:53,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:51:53,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:51:53,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:54,262 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 270 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-12-06 03:51:54,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:51:54,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 124 states and 159 transitions. [2024-12-06 03:51:54,755 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 159 transitions. [2024-12-06 03:51:54,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-12-06 03:51:54,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:51:54,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:51:54,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:55,180 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 0 proven. 252 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-12-06 03:51:55,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:51:55,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 129 states and 164 transitions. [2024-12-06 03:51:55,596 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 164 transitions. [2024-12-06 03:51:55,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-06 03:51:55,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:51:55,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:51:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:57,286 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 275 proven. 55 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-12-06 03:52:04,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:52:04,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 117 states and 148 transitions. [2024-12-06 03:52:04,585 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 148 transitions. [2024-12-06 03:52:04,586 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 03:52:04,586 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 31 iterations. [2024-12-06 03:52:04,591 INFO L726 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2024-12-06 03:52:04,931 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 525 531) the Hoare annotation is: true [2024-12-06 03:52:04,931 INFO L77 FloydHoareUtils]: At program point ldv_mallocEXIT(lines 525 531) the Hoare annotation is: true [2024-12-06 03:52:04,931 INFO L77 FloydHoareUtils]: At program point L774-5(line 774) the Hoare annotation is: true [2024-12-06 03:52:04,931 INFO L77 FloydHoareUtils]: At program point L774-6(lines 774 776) the Hoare annotation is: true [2024-12-06 03:52:04,931 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 774) the Hoare annotation is: true [2024-12-06 03:52:04,931 INFO L77 FloydHoareUtils]: At program point L766(line 766) the Hoare annotation is: (= |ULTIMATE.start_entry_point_~i~0#1| 0) [2024-12-06 03:52:04,931 INFO L77 FloydHoareUtils]: At program point L762(line 762) the Hoare annotation is: (<= |ULTIMATE.start_entry_point_~len~0#1| 10) [2024-12-06 03:52:04,931 INFO L77 FloydHoareUtils]: At program point L762-1(line 762) the Hoare annotation is: true [2024-12-06 03:52:04,932 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 767) the Hoare annotation is: true [2024-12-06 03:52:04,932 INFO L77 FloydHoareUtils]: At program point L767-1(lines 767 771) the Hoare annotation is: (<= |ULTIMATE.start_entry_point_~i~0#1| 2147483647) [2024-12-06 03:52:04,932 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 774) no Hoare annotation was computed. [2024-12-06 03:52:04,932 INFO L77 FloydHoareUtils]: At program point L767-3(line 767) the Hoare annotation is: true [2024-12-06 03:52:04,932 INFO L77 FloydHoareUtils]: At program point L767-4(line 767) the Hoare annotation is: true [2024-12-06 03:52:04,932 INFO L77 FloydHoareUtils]: At program point L767-5(lines 767 771) the Hoare annotation is: (<= |ULTIMATE.start_entry_point_~i~0#1| 2147483647) [2024-12-06 03:52:04,932 INFO L77 FloydHoareUtils]: At program point L767-6(lines 760 779) the Hoare annotation is: true [2024-12-06 03:52:04,932 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 767) the Hoare annotation is: true [2024-12-06 03:52:04,932 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 03:52:04,932 INFO L77 FloydHoareUtils]: At program point L768(line 768) the Hoare annotation is: true [2024-12-06 03:52:04,932 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 774) the Hoare annotation is: true [2024-12-06 03:52:04,932 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 03:52:04,933 INFO L77 FloydHoareUtils]: At program point entry_point_err#1(lines 773 776) the Hoare annotation is: true [2024-12-06 03:52:04,933 INFO L77 FloydHoareUtils]: At program point L769(line 769) the Hoare annotation is: true [2024-12-06 03:52:04,933 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 774) the Hoare annotation is: true [2024-12-06 03:52:04,933 INFO L77 FloydHoareUtils]: At program point L774(line 774) the Hoare annotation is: true [2024-12-06 03:52:04,933 INFO L77 FloydHoareUtils]: At program point L774-4(line 774) the Hoare annotation is: (<= 0 |ULTIMATE.start_entry_point_#t~post46#1|) [2024-12-06 03:52:04,945 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-12-06 03:52:04,946 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-12-06 03:52:04,946 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-12-06 03:52:04,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:52:04 ImpRootNode [2024-12-06 03:52:04,948 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:52:04,948 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:52:04,948 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:52:04,948 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:52:04,949 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:51:43" (3/4) ... [2024-12-06 03:52:04,951 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 03:52:04,954 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-12-06 03:52:04,956 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-12-06 03:52:04,957 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-06 03:52:04,957 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-06 03:52:05,019 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cf46f6-292e-4f39-9349-481922705003/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:52:05,019 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cf46f6-292e-4f39-9349-481922705003/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:52:05,019 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:52:05,020 INFO L158 Benchmark]: Toolchain (without parser) took 22442.38ms. Allocated memory was 142.6MB in the beginning and 486.5MB in the end (delta: 343.9MB). Free memory was 118.2MB in the beginning and 253.4MB in the end (delta: -135.1MB). Peak memory consumption was 203.5MB. Max. memory is 16.1GB. [2024-12-06 03:52:05,020 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:52:05,021 INFO L158 Benchmark]: CACSL2BoogieTranslator took 438.93ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 96.2MB in the end (delta: 21.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:52:05,021 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.05ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 94.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:52:05,021 INFO L158 Benchmark]: Boogie Preprocessor took 20.80ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 93.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:52:05,022 INFO L158 Benchmark]: RCFGBuilder took 266.45ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 79.6MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:52:05,022 INFO L158 Benchmark]: CodeCheck took 21603.01ms. Allocated memory was 142.6MB in the beginning and 486.5MB in the end (delta: 343.9MB). Free memory was 79.6MB in the beginning and 257.4MB in the end (delta: -177.8MB). Peak memory consumption was 178.3MB. Max. memory is 16.1GB. [2024-12-06 03:52:05,022 INFO L158 Benchmark]: Witness Printer took 71.40ms. Allocated memory is still 486.5MB. Free memory was 257.4MB in the beginning and 253.4MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:52:05,024 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 2 procedures, 25 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 21.2s, OverallIterations: 31, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2754 SdHoareTripleChecker+Valid, 9.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1991 mSDsluCounter, 2588 SdHoareTripleChecker+Invalid, 8.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1708 mSDsCounter, 2437 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7228 IncrementalHoareTripleChecker+Invalid, 9665 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2437 mSolverCounterUnsat, 880 mSDtfsCounter, 7228 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9103 GetRequests, 8304 SyntacticMatches, 491 SemanticMatches, 308 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40932 ImplicationChecksByTransitivity, 15.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.7s InterpolantComputationTime, 1310 NumberOfCodeBlocks, 1310 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 1280 ConstructedInterpolants, 0 QuantifiedInterpolants, 3124 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 7 PerfectInterpolantSequences, 1363/3331 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, ConComCheckerStatistics: No data available - PositiveResult [Line: 767]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 767]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 774]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 774]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 774]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 774]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: (i <= 2147483647) - ProcedureContractResult [Line: 525]: Procedure Contract for ldv_malloc Derived contract for procedure ldv_malloc. Ensures: (ldv_global_msg_list == \old(ldv_global_msg_list)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 438.93ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 96.2MB in the end (delta: 21.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.05ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 94.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.80ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 93.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 266.45ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 79.6MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 21603.01ms. Allocated memory was 142.6MB in the beginning and 486.5MB in the end (delta: 343.9MB). Free memory was 79.6MB in the beginning and 257.4MB in the end (delta: -177.8MB). Peak memory consumption was 178.3MB. Max. memory is 16.1GB. * Witness Printer took 71.40ms. Allocated memory is still 486.5MB. Free memory was 257.4MB in the beginning and 253.4MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID RESULT: Ultimate proved your program to be correct! [2024-12-06 03:52:05,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30cf46f6-292e-4f39-9349-481922705003/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE