./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef99c13-da48-44ea-860f-76903b6103aa/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef99c13-da48-44ea-860f-76903b6103aa/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef99c13-da48-44ea-860f-76903b6103aa/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef99c13-da48-44ea-860f-76903b6103aa/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef99c13-da48-44ea-860f-76903b6103aa/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef99c13-da48-44ea-860f-76903b6103aa/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a7528f200456114b53348dcc6f65daa446d01523914ddd1f3b2ed0ccb2daf1cf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:01:44,610 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:01:44,706 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef99c13-da48-44ea-860f-76903b6103aa/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-25 04:01:44,715 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:01:44,715 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:01:44,752 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:01:44,753 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:01:44,753 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:01:44,753 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:01:44,753 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:01:44,754 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:01:44,754 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:01:44,754 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:01:44,754 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 04:01:44,756 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 04:01:44,756 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-25 04:01:44,756 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:01:44,756 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:01:44,756 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:01:44,757 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:01:44,757 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:01:44,757 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:01:44,757 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:01:44,757 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:01:44,757 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:01:44,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:01:44,757 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:01:44,757 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:01:44,758 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:01:44,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:01:44,758 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_6ef99c13-da48-44ea-860f-76903b6103aa/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7528f200456114b53348dcc6f65daa446d01523914ddd1f3b2ed0ccb2daf1cf [2024-11-25 04:01:45,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:01:45,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:01:45,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:01:45,065 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:01:45,065 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:01:45,067 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef99c13-da48-44ea-860f-76903b6103aa/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i [2024-11-25 04:01:48,071 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef99c13-da48-44ea-860f-76903b6103aa/bin/ukojak-verify-ENZ3QT5qd3/data/ebeb907a4/d750e4e562494591b4079a25cdc318e6/FLAG342e66ee5 [2024-11-25 04:01:48,405 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:01:48,406 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef99c13-da48-44ea-860f-76903b6103aa/sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i [2024-11-25 04:01:48,422 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef99c13-da48-44ea-860f-76903b6103aa/bin/ukojak-verify-ENZ3QT5qd3/data/ebeb907a4/d750e4e562494591b4079a25cdc318e6/FLAG342e66ee5 [2024-11-25 04:01:48,439 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef99c13-da48-44ea-860f-76903b6103aa/bin/ukojak-verify-ENZ3QT5qd3/data/ebeb907a4/d750e4e562494591b4079a25cdc318e6 [2024-11-25 04:01:48,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:01:48,443 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:01:48,445 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:01:48,445 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:01:48,450 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:01:48,451 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:01:48" (1/1) ... [2024-11-25 04:01:48,452 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a11a592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:01:48, skipping insertion in model container [2024-11-25 04:01:48,453 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:01:48" (1/1) ... [2024-11-25 04:01:48,494 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:01:48,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:01:48,959 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:01:49,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:01:49,053 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:01:49,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:01:49 WrapperNode [2024-11-25 04:01:49,055 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:01:49,056 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:01:49,056 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:01:49,056 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:01:49,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:01:49" (1/1) ... [2024-11-25 04:01:49,085 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:01:49" (1/1) ... [2024-11-25 04:01:49,108 INFO L138 Inliner]: procedures = 117, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2024-11-25 04:01:49,109 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:01:49,110 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:01:49,110 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:01:49,110 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:01:49,117 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:01:49" (1/1) ... [2024-11-25 04:01:49,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:01:49" (1/1) ... [2024-11-25 04:01:49,120 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:01:49" (1/1) ... [2024-11-25 04:01:49,123 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:01:49" (1/1) ... [2024-11-25 04:01:49,131 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:01:49" (1/1) ... [2024-11-25 04:01:49,132 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:01:49" (1/1) ... [2024-11-25 04:01:49,138 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:01:49" (1/1) ... [2024-11-25 04:01:49,140 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:01:49" (1/1) ... [2024-11-25 04:01:49,142 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:01:49" (1/1) ... [2024-11-25 04:01:49,147 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:01:49,148 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:01:49,148 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:01:49,148 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:01:49,149 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:01:49" (1/1) ... [2024-11-25 04:01:49,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:01:49,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef99c13-da48-44ea-860f-76903b6103aa/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:01:49,191 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef99c13-da48-44ea-860f-76903b6103aa/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:01:49,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef99c13-da48-44ea-860f-76903b6103aa/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:01:49,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 04:01:49,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 04:01:49,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 04:01:49,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:01:49,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:01:49,359 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:01:49,361 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:01:49,527 INFO L? ?]: Removed 44 outVars from TransFormulas that were not future-live. [2024-11-25 04:01:49,527 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:01:49,588 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:01:49,588 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:01:49,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:01:49 BoogieIcfgContainer [2024-11-25 04:01:49,588 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:01:49,589 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:01:49,589 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:01:49,601 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:01:49,601 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:01:49" (1/1) ... [2024-11-25 04:01:49,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:01:49,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:01:49,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2024-11-25 04:01:49,665 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2024-11-25 04:01:49,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 04:01:49,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:01:49,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:01:49,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:49,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:01:49,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:01:49,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2024-11-25 04:01:49,898 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2024-11-25 04:01:49,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 04:01:49,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:01:49,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:01:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:49,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:01:50,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:01:50,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 25 states and 27 transitions. [2024-11-25 04:01:50,041 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2024-11-25 04:01:50,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 04:01:50,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:01:50,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:01:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:50,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:01:50,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:01:50,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2024-11-25 04:01:50,624 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2024-11-25 04:01:50,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 04:01:50,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:01:50,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:01:50,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:50,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:01:51,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:01:51,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2024-11-25 04:01:51,042 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2024-11-25 04:01:51,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 04:01:51,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:01:51,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:01:51,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:51,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:01:51,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:01:51,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2024-11-25 04:01:51,448 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2024-11-25 04:01:51,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:01:51,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:01:51,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:01:51,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:51,766 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:01:52,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:01:52,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 38 transitions. [2024-11-25 04:01:52,217 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2024-11-25 04:01:52,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 04:01:52,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:01:52,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:01:52,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:52,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:01:52,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:01:52,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 33 states and 44 transitions. [2024-11-25 04:01:52,507 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2024-11-25 04:01:52,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 04:01:52,507 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:01:52,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:01:52,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:52,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:01:53,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:01:53,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 37 states and 52 transitions. [2024-11-25 04:01:53,162 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2024-11-25 04:01:53,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 04:01:53,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:01:53,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:01:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:53,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:01:54,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:01:54,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 43 states and 66 transitions. [2024-11-25 04:01:54,239 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 66 transitions. [2024-11-25 04:01:54,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 04:01:54,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:01:54,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:01:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:54,899 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:01:56,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:01:56,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 46 states and 76 transitions. [2024-11-25 04:01:56,576 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 76 transitions. [2024-11-25 04:01:56,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 04:01:56,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:01:56,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:01:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:56,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:01:57,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:01:57,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 50 states and 87 transitions. [2024-11-25 04:01:57,574 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 87 transitions. [2024-11-25 04:01:57,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 04:01:57,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:01:57,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:01:57,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:57,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:01:59,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:01:59,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 57 states and 106 transitions. [2024-11-25 04:01:59,533 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 106 transitions. [2024-11-25 04:01:59,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 04:01:59,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:01:59,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:01:59,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:59,583 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:01:59,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:01:59,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 58 states and 108 transitions. [2024-11-25 04:01:59,830 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 108 transitions. [2024-11-25 04:01:59,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 04:01:59,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:01:59,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:01:59,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:59,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:02:00,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:00,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 59 states and 112 transitions. [2024-11-25 04:02:00,726 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 112 transitions. [2024-11-25 04:02:00,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 04:02:00,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:00,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:02:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:00,765 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:02:01,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:01,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 60 states and 114 transitions. [2024-11-25 04:02:01,431 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 114 transitions. [2024-11-25 04:02:01,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 04:02:01,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:01,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:02:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:01,467 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 04:02:02,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:02,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 62 states and 119 transitions. [2024-11-25 04:02:02,137 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 119 transitions. [2024-11-25 04:02:02,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 04:02:02,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:02,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:02:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:02,741 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:02:03,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:03,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 64 states and 130 transitions. [2024-11-25 04:02:03,742 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 130 transitions. [2024-11-25 04:02:03,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 04:02:03,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:03,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:02:03,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:03,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:02:04,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:04,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 67 states and 132 transitions. [2024-11-25 04:02:04,553 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 132 transitions. [2024-11-25 04:02:04,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 04:02:04,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:04,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:02:04,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:04,595 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:02:04,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:04,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 67 states and 131 transitions. [2024-11-25 04:02:04,951 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 131 transitions. [2024-11-25 04:02:04,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 04:02:04,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:04,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:02:04,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:04,977 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 04:02:05,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:05,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 69 states and 137 transitions. [2024-11-25 04:02:05,816 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 137 transitions. [2024-11-25 04:02:05,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 04:02:05,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:05,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:02:05,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:05,867 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 04:02:06,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:06,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 70 states and 138 transitions. [2024-11-25 04:02:06,206 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 138 transitions. [2024-11-25 04:02:06,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 04:02:06,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:06,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:02:06,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:06,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:02:06,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:06,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 73 states and 140 transitions. [2024-11-25 04:02:06,909 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 140 transitions. [2024-11-25 04:02:06,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 04:02:06,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:06,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:02:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:06,957 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:02:07,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:07,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 73 states and 139 transitions. [2024-11-25 04:02:07,334 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 139 transitions. [2024-11-25 04:02:07,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 04:02:07,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:07,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:02:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:07,376 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 04:02:08,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:08,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 73 states and 138 transitions. [2024-11-25 04:02:08,042 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 138 transitions. [2024-11-25 04:02:08,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 04:02:08,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:08,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:02:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:08,077 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-25 04:02:08,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:08,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 75 states and 143 transitions. [2024-11-25 04:02:08,781 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 143 transitions. [2024-11-25 04:02:08,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 04:02:08,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:08,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:02:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:09,496 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:02:10,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:10,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 77 states and 154 transitions. [2024-11-25 04:02:10,614 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 154 transitions. [2024-11-25 04:02:10,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 04:02:10,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:10,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:02:10,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:02:10,634 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:02:10,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:02:10,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:02:10,757 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:02:10,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:02:10,804 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 27 iterations. [2024-11-25 04:02:10,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:02:10 ImpRootNode [2024-11-25 04:02:10,859 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:02:10,859 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:02:10,860 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:02:10,860 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:02:10,861 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:01:49" (3/4) ... [2024-11-25 04:02:10,862 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 04:02:10,929 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 8. [2024-11-25 04:02:10,991 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef99c13-da48-44ea-860f-76903b6103aa/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:02:10,992 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef99c13-da48-44ea-860f-76903b6103aa/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:02:10,992 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:02:10,993 INFO L158 Benchmark]: Toolchain (without parser) took 22549.96ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 91.3MB in the beginning and 65.2MB in the end (delta: 26.1MB). Peak memory consumption was 82.4MB. Max. memory is 16.1GB. [2024-11-25 04:02:10,993 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 83.9MB. Free memory is still 39.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:02:10,994 INFO L158 Benchmark]: CACSL2BoogieTranslator took 610.43ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 74.5MB in the end (delta: 16.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:02:10,996 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.57ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 73.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:02:10,996 INFO L158 Benchmark]: Boogie Preprocessor took 37.60ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 72.1MB in the end (delta: 697.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:02:10,997 INFO L158 Benchmark]: RCFGBuilder took 440.29ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 56.3MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:02:10,997 INFO L158 Benchmark]: CodeCheck took 21269.54ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 56.3MB in the beginning and 68.8MB in the end (delta: -12.5MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2024-11-25 04:02:10,999 INFO L158 Benchmark]: Witness Printer took 132.80ms. Allocated memory is still 176.2MB. Free memory was 68.8MB in the beginning and 65.2MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:02:11,001 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, 24 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 21.2s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2103 SdHoareTripleChecker+Valid, 16.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1690 mSDsluCounter, 293 SdHoareTripleChecker+Invalid, 13.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 140 mSDsCounter, 1618 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7430 IncrementalHoareTripleChecker+Invalid, 9048 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1618 mSolverCounterUnsat, 153 mSDtfsCounter, 7430 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2616 GetRequests, 2318 SyntacticMatches, 38 SemanticMatches, 260 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30718 ImplicationChecksByTransitivity, 16.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 266 NumberOfCodeBlocks, 266 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 226 ConstructedInterpolants, 0 QuantifiedInterpolants, 787 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 22 PerfectInterpolantSequences, 59/99 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 - CounterExampleResult [Line: 538]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L512] int num; [L513] int ind, newsize, i = 1; [L528] num = __VERIFIER_nondet_int() [L529] COND FALSE !(!(num > 0 && num < 100)) [L532] int *a = (int *)malloc(sizeof(int)); [L533] COND FALSE !(a == ((void *)0)) [L536] newsize = 0 [L537] CALL expandArray(a) [L515] int *a = (int *)arg; [L516] int *b = ((void *)0); VAL [a={-1:0}, b={0:0}, i=1, ind=0, newsize=0, num=1] [L517] COND TRUE newsize < num [L518] newsize = newsize + 1 [L519] EXPR, FCALL realloc(a, sizeof(int) * newsize) [L519] b = realloc(a, sizeof(int) * newsize) [L520] b[newsize - 1] = i [L521] a = b VAL [a={-1:0}, b={-1:0}, i=1, ind=0, newsize=1, num=1] [L517] COND FALSE !(newsize < num) VAL [a={-1:0}, b={-1:0}, i=1, ind=0, newsize=1, num=1] [L523] COND TRUE b != ((void *)0) VAL [a={-1:0}, b={-1:0}, i=1, ind=0, newsize=1, num=1] [L524] free(b) VAL [a={-1:0}, i=1, ind=0, newsize=1, num=1] [L524] free(b) VAL [a={-1:0}, i=1, ind=0, newsize=1, num=1] [L524] free(b) [L525] return 0; [L537] RET expandArray(a) [L538] free(a) VAL [i=1, ind=0, newsize=1, num=1] [L538] free(a) VAL [i=1, ind=0, newsize=1, num=1] [L538] free(a) VAL [i=1, ind=0, newsize=1, num=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 83.9MB. Free memory is still 39.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 610.43ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 74.5MB in the end (delta: 16.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.57ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 73.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.60ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 72.1MB in the end (delta: 697.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 440.29ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 56.3MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 21269.54ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 56.3MB in the beginning and 68.8MB in the end (delta: -12.5MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. * Witness Printer took 132.80ms. Allocated memory is still 176.2MB. Free memory was 68.8MB in the beginning and 65.2MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 04:02:11,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ef99c13-da48-44ea-860f-76903b6103aa/bin/ukojak-verify-ENZ3QT5qd3/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-free)