./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/heap-manipulation/tree-4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45beb1-351a-47b0-b52b-012e87c36f02/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45beb1-351a-47b0-b52b-012e87c36f02/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45beb1-351a-47b0-b52b-012e87c36f02/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45beb1-351a-47b0-b52b-012e87c36f02/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/tree-4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45beb1-351a-47b0-b52b-012e87c36f02/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45beb1-351a-47b0-b52b-012e87c36f02/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 93cf6e13715dcd5309cb599b4358d41a64464f02c52b3716bc554a9d0e833f5e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:14:12,204 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:14:12,272 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45beb1-351a-47b0-b52b-012e87c36f02/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2024-11-13 22:14:12,278 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:14:12,278 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:14:12,301 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:14:12,302 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:14:12,302 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:14:12,306 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:14:12,306 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:14:12,306 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:14:12,306 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:14:12,306 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:14:12,306 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:14:12,307 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:14:12,307 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 22:14:12,307 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 22:14:12,307 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:14:12,307 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:14:12,307 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:14:12,307 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:14:12,307 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:14:12,307 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:14:12,307 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:14:12,308 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:14:12,308 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:14:12,308 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:14:12,308 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:14:12,308 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:14:12,308 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:14:12,308 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:14:12,308 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:14:12,308 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:14:12,308 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_3a45beb1-351a-47b0-b52b-012e87c36f02/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93cf6e13715dcd5309cb599b4358d41a64464f02c52b3716bc554a9d0e833f5e [2024-11-13 22:14:12,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:14:12,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:14:12,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:14:12,602 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:14:12,603 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:14:12,604 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45beb1-351a-47b0-b52b-012e87c36f02/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/heap-manipulation/tree-4.i Unable to find full path for "g++" [2024-11-13 22:14:14,595 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:14:14,956 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:14:14,957 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45beb1-351a-47b0-b52b-012e87c36f02/sv-benchmarks/c/heap-manipulation/tree-4.i [2024-11-13 22:14:14,973 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45beb1-351a-47b0-b52b-012e87c36f02/bin/ukojak-verify-EEHR8qb7sm/data/898c383bd/a4b501d3710b4f11a72c4a0e4b0595d2/FLAGacb494b2a [2024-11-13 22:14:15,165 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45beb1-351a-47b0-b52b-012e87c36f02/bin/ukojak-verify-EEHR8qb7sm/data/898c383bd/a4b501d3710b4f11a72c4a0e4b0595d2 [2024-11-13 22:14:15,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:14:15,170 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:14:15,172 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:14:15,172 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:14:15,178 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:14:15,179 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:14:15" (1/1) ... [2024-11-13 22:14:15,180 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c60e572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:15, skipping insertion in model container [2024-11-13 22:14:15,180 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:14:15" (1/1) ... [2024-11-13 22:14:15,218 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:14:15,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:14:15,659 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:14:15,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:14:15,759 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:14:15,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:15 WrapperNode [2024-11-13 22:14:15,760 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:14:15,762 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:14:15,762 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:14:15,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:14:15,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:15" (1/1) ... [2024-11-13 22:14:15,787 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:15" (1/1) ... [2024-11-13 22:14:15,817 INFO L138 Inliner]: procedures = 122, calls = 45, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 153 [2024-11-13 22:14:15,817 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:14:15,818 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:14:15,818 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:14:15,818 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:14:15,827 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:15" (1/1) ... [2024-11-13 22:14:15,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:15" (1/1) ... [2024-11-13 22:14:15,831 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:15" (1/1) ... [2024-11-13 22:14:15,831 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:15" (1/1) ... [2024-11-13 22:14:15,843 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:15" (1/1) ... [2024-11-13 22:14:15,849 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:15" (1/1) ... [2024-11-13 22:14:15,852 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:15" (1/1) ... [2024-11-13 22:14:15,853 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:15" (1/1) ... [2024-11-13 22:14:15,857 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:14:15,858 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:14:15,858 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:14:15,859 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:14:15,860 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:15" (1/1) ... [2024-11-13 22:14:15,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:14:15,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45beb1-351a-47b0-b52b-012e87c36f02/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:14:15,919 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45beb1-351a-47b0-b52b-012e87c36f02/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:14:15,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45beb1-351a-47b0-b52b-012e87c36f02/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:14:15,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:14:15,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:14:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 22:14:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:14:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 22:14:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 22:14:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:14:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:14:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:14:15,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:14:16,139 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:14:16,142 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:14:16,657 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-13 22:14:16,657 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:14:16,881 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:14:16,882 INFO L316 CfgBuilder]: Removed 11 assume(true) statements. [2024-11-13 22:14:16,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:14:16 BoogieIcfgContainer [2024-11-13 22:14:16,882 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:14:16,883 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:14:16,883 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:14:16,903 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:14:16,904 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:14:16" (1/1) ... [2024-11-13 22:14:16,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:14:16,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:17,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 35 states and 55 transitions. [2024-11-13 22:14:17,000 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2024-11-13 22:14:17,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:14:17,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:17,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:17,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:17,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:14:17,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:17,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 35 states and 54 transitions. [2024-11-13 22:14:17,330 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2024-11-13 22:14:17,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:14:17,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:17,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:17,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:14:17,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:17,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 41 states and 65 transitions. [2024-11-13 22:14:17,684 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 65 transitions. [2024-11-13 22:14:17,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:14:17,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:17,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:17,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:18,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:14:18,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:18,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 70 transitions. [2024-11-13 22:14:18,276 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 70 transitions. [2024-11-13 22:14:18,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:14:18,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:18,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:18,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:18,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:14:18,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:18,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 46 states and 76 transitions. [2024-11-13 22:14:18,926 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 76 transitions. [2024-11-13 22:14:18,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:14:18,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:18,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:18,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:19,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:14:19,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:19,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 47 states and 74 transitions. [2024-11-13 22:14:19,739 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 74 transitions. [2024-11-13 22:14:19,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:14:19,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:19,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:20,079 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:14:21,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:21,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 50 states and 90 transitions. [2024-11-13 22:14:21,156 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 90 transitions. [2024-11-13 22:14:21,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:14:21,157 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:21,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:21,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:21,365 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:14:21,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:21,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 51 states and 93 transitions. [2024-11-13 22:14:21,744 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 93 transitions. [2024-11-13 22:14:21,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:14:21,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:21,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:21,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:21,951 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:14:22,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:22,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 52 states and 95 transitions. [2024-11-13 22:14:22,504 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 95 transitions. [2024-11-13 22:14:22,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:14:22,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:22,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:22,680 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:14:22,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:22,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2024-11-13 22:14:22,929 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2024-11-13 22:14:22,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:14:22,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:22,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:23,144 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:14:23,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:23,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 76 transitions. [2024-11-13 22:14:23,653 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 76 transitions. [2024-11-13 22:14:23,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:14:23,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:23,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:23,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:23,712 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 22:14:23,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:23,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 45 states and 75 transitions. [2024-11-13 22:14:23,728 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 75 transitions. [2024-11-13 22:14:23,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:14:23,728 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:23,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:23,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:23,848 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:14:23,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:23,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 46 states and 77 transitions. [2024-11-13 22:14:23,871 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 77 transitions. [2024-11-13 22:14:23,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:14:23,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:23,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:23,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:25,714 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:14:28,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:28,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 54 states and 104 transitions. [2024-11-13 22:14:28,053 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 104 transitions. [2024-11-13 22:14:28,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:14:28,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:28,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:29,143 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:14:31,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:31,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 59 states and 113 transitions. [2024-11-13 22:14:31,405 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 113 transitions. [2024-11-13 22:14:31,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:14:31,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:31,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:31,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:32,666 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:14:33,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:33,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 61 states and 119 transitions. [2024-11-13 22:14:33,868 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 119 transitions. [2024-11-13 22:14:33,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:14:33,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:33,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:33,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:35,028 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:14:36,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:36,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 63 states and 135 transitions. [2024-11-13 22:14:36,894 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 135 transitions. [2024-11-13 22:14:36,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:14:36,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:36,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:36,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:38,467 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:14:40,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:40,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 67 states and 147 transitions. [2024-11-13 22:14:40,090 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 147 transitions. [2024-11-13 22:14:40,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:14:40,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:40,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:41,273 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:14:42,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:42,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 68 states and 153 transitions. [2024-11-13 22:14:42,556 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 153 transitions. [2024-11-13 22:14:42,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:14:42,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:42,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:43,054 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:14:44,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:44,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 69 states and 164 transitions. [2024-11-13 22:14:44,204 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 164 transitions. [2024-11-13 22:14:44,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:14:44,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:44,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:44,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:46,387 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:14:49,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:49,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 71 states and 187 transitions. [2024-11-13 22:14:49,161 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 187 transitions. [2024-11-13 22:14:49,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:14:49,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:49,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:54,119 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:14:56,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:56,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 74 states and 201 transitions. [2024-11-13 22:14:56,888 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 201 transitions. [2024-11-13 22:14:56,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:14:56,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:56,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:57,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:58,472 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:15:00,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:15:00,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 75 states and 225 transitions. [2024-11-13 22:15:00,050 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 225 transitions. [2024-11-13 22:15:00,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:15:00,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:15:00,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:15:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:02,884 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:15:06,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:15:06,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 77 states and 255 transitions. [2024-11-13 22:15:06,429 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 255 transitions. [2024-11-13 22:15:06,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:15:06,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:15:06,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:15:06,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:08,420 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:15:15,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:15:15,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 88 states and 336 transitions. [2024-11-13 22:15:15,546 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 336 transitions. [2024-11-13 22:15:15,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:15:15,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:15:15,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:15:15,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:19,697 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:15:21,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:15:21,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 89 states and 356 transitions. [2024-11-13 22:15:21,905 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 356 transitions. [2024-11-13 22:15:21,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:15:21,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:15:21,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:15:21,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:15:21,943 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:15:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:15:22,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:15:22,728 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:15:23,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:15:23,184 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 26 iterations. [2024-11-13 22:15:23,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:15:23 ImpRootNode [2024-11-13 22:15:23,234 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:15:23,235 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:15:23,235 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:15:23,235 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:15:23,236 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:14:16" (3/4) ... [2024-11-13 22:15:23,237 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 22:15:23,292 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45beb1-351a-47b0-b52b-012e87c36f02/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:15:23,292 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:15:23,293 INFO L158 Benchmark]: Toolchain (without parser) took 68123.25ms. Allocated memory was 117.4MB in the beginning and 822.1MB in the end (delta: 704.6MB). Free memory was 91.7MB in the beginning and 366.7MB in the end (delta: -274.9MB). Peak memory consumption was 426.0MB. Max. memory is 16.1GB. [2024-11-13 22:15:23,293 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:15:23,294 INFO L158 Benchmark]: CACSL2BoogieTranslator took 589.47ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 73.9MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:15:23,294 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.25ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 72.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:15:23,294 INFO L158 Benchmark]: Boogie Preprocessor took 39.39ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 70.6MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:15:23,294 INFO L158 Benchmark]: RCFGBuilder took 1024.31ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 44.2MB in the end (delta: 26.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 22:15:23,295 INFO L158 Benchmark]: CodeCheck took 66351.05ms. Allocated memory was 117.4MB in the beginning and 822.1MB in the end (delta: 704.6MB). Free memory was 44.2MB in the beginning and 369.6MB in the end (delta: -325.4MB). Peak memory consumption was 375.7MB. Max. memory is 16.1GB. [2024-11-13 22:15:23,295 INFO L158 Benchmark]: Witness Printer took 57.50ms. Allocated memory is still 822.1MB. Free memory was 369.6MB in the beginning and 366.7MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:15:23,299 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, 35 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 66.2s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2790 SdHoareTripleChecker+Valid, 121.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1290 mSDsluCounter, 2126 SdHoareTripleChecker+Invalid, 112.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1490 mSDsCounter, 2258 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8549 IncrementalHoareTripleChecker+Invalid, 10807 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2258 mSolverCounterUnsat, 636 mSDtfsCounter, 8549 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4360 GetRequests, 4019 SyntacticMatches, 85 SemanticMatches, 256 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27579 ImplicationChecksByTransitivity, 24.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 26.4s InterpolantComputationTime, 389 NumberOfCodeBlocks, 389 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 344 ConstructedInterpolants, 0 QuantifiedInterpolants, 3501 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 6 PerfectInterpolantSequences, 66/115 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: 12]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L632] CALL, EXPR create_tree() [L585] struct node *nodelast = ((void *)0); [L586] struct node *node = ((void *)0); VAL [node={0:0}, nodelast={0:0}] [L587] COND TRUE __VERIFIER_nondet_int() [L588] node = malloc(sizeof *node) [L589] COND FALSE !(!node) [L591] node->left = ((void *)0) [L592] node->right = nodelast [L593] COND FALSE !(\read(*nodelast)) [L595] int value = __VERIFIER_nondet_int(); [L596] node->value = value [L597] nodelast = node [L587] COND FALSE !(__VERIFIER_nondet_int()) [L599] COND TRUE node != ((void *)0) [L600] node->parent = ((void *)0) VAL [node={13305:0}, nodelast={13305:0}] [L601] COND TRUE node != ((void *)0) [L602] node->left = malloc(sizeof *node) [L603] COND FALSE !(!node) [L605] EXPR node->left [L605] node->left->left = ((void *)0) [L606] EXPR node->left [L606] node->left->right = ((void *)0) [L607] EXPR node->left [L607] node->left->value = 42 [L608] EXPR node->left [L608] node->left->parent = node [L609] EXPR node->right [L609] node = node->right [L601] COND FALSE !(node != ((void *)0)) [L611] return nodelast; [L632] RET, EXPR create_tree() [L632] struct node *data = create_tree(); [L633] COND FALSE !(!data) [L635] CALL inspect(data) [L575] COND FALSE !(!(node)) VAL [node={13305:0}] [L576] COND TRUE node != ((void *)0) [L577] node->left VAL [node={13305:0}] [L577] COND TRUE node->left [L578] EXPR node->left [L578] EXPR node->left->value VAL [node={13305:0}] [L578] COND FALSE !(!(node->left->value == 42)) [L579] EXPR node->value VAL [node={13305:0}] [L579] COND TRUE !(node->value) [L579] CALL fail() [L565] CALL reach_error() [L12] COND FALSE !(0) [L12] __assert_fail ("0", "tree-4.c", 3, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 589.47ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 73.9MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.25ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 72.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.39ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 70.6MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1024.31ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 44.2MB in the end (delta: 26.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 66351.05ms. Allocated memory was 117.4MB in the beginning and 822.1MB in the end (delta: 704.6MB). Free memory was 44.2MB in the beginning and 369.6MB in the end (delta: -325.4MB). Peak memory consumption was 375.7MB. Max. memory is 16.1GB. * Witness Printer took 57.50ms. Allocated memory is still 822.1MB. Free memory was 369.6MB in the beginning and 366.7MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 22:15:23,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a45beb1-351a-47b0-b52b-012e87c36f02/bin/ukojak-verify-EEHR8qb7sm/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-memcleanup)