./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a60ac5-adda-4274-9c6c-886a4f371cf3/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a60ac5-adda-4274-9c6c-886a4f371cf3/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a60ac5-adda-4274-9c6c-886a4f371cf3/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a60ac5-adda-4274-9c6c-886a4f371cf3/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a60ac5-adda-4274-9c6c-886a4f371cf3/bin/ukojak-verify-ImItNfHLgk/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a60ac5-adda-4274-9c6c-886a4f371cf3/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3b13662719be51a1d3330a7f40f7706daa8c7b2d4044bc92f854095c09c7c129 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:40:05,780 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:40:05,847 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a60ac5-adda-4274-9c6c-886a4f371cf3/bin/ukojak-verify-ImItNfHLgk/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2024-11-08 19:40:05,854 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:40:05,855 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:40:05,877 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:40:05,878 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:40:05,878 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:40:05,879 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:40:05,879 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:40:05,880 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:40:05,880 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:40:05,880 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:40:05,881 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:40:05,881 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:40:05,881 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 19:40:05,882 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 19:40:05,882 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:40:05,882 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:40:05,883 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:40:05,883 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:40:05,888 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:40:05,888 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:40:05,888 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:40:05,889 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:40:05,889 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:40:05,889 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:40:05,890 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:40:05,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:40:05,890 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:40:05,891 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:40:05,891 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:40:05,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:40:05,895 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a60ac5-adda-4274-9c6c-886a4f371cf3/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a60ac5-adda-4274-9c6c-886a4f371cf3/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b13662719be51a1d3330a7f40f7706daa8c7b2d4044bc92f854095c09c7c129 [2024-11-08 19:40:06,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:40:06,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:40:06,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:40:06,221 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:40:06,222 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:40:06,223 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a60ac5-adda-4274-9c6c-886a4f371cf3/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i Unable to find full path for "g++" [2024-11-08 19:40:08,355 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:40:08,640 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:40:08,640 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a60ac5-adda-4274-9c6c-886a4f371cf3/sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i [2024-11-08 19:40:08,666 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a60ac5-adda-4274-9c6c-886a4f371cf3/bin/ukojak-verify-ImItNfHLgk/data/93226d08d/5ad6dd0148964b3db696648234ecd415/FLAG58a5cd9d1 [2024-11-08 19:40:08,682 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a60ac5-adda-4274-9c6c-886a4f371cf3/bin/ukojak-verify-ImItNfHLgk/data/93226d08d/5ad6dd0148964b3db696648234ecd415 [2024-11-08 19:40:08,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:40:08,686 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:40:08,688 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:40:08,688 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:40:08,694 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:40:08,695 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:40:08" (1/1) ... [2024-11-08 19:40:08,697 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41aa3967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:08, skipping insertion in model container [2024-11-08 19:40:08,697 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:40:08" (1/1) ... [2024-11-08 19:40:08,749 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:40:09,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:40:09,383 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:40:09,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:40:09,536 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:40:09,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:09 WrapperNode [2024-11-08 19:40:09,537 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:40:09,538 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:40:09,538 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:40:09,538 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:40:09,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:09" (1/1) ... [2024-11-08 19:40:09,573 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:09" (1/1) ... [2024-11-08 19:40:09,655 INFO L138 Inliner]: procedures = 232, calls = 76, calls flagged for inlining = 34, calls inlined = 85, statements flattened = 580 [2024-11-08 19:40:09,660 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:40:09,660 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:40:09,662 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:40:09,662 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:40:09,672 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:09" (1/1) ... [2024-11-08 19:40:09,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:09" (1/1) ... [2024-11-08 19:40:09,679 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:09" (1/1) ... [2024-11-08 19:40:09,679 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:09" (1/1) ... [2024-11-08 19:40:09,695 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:09" (1/1) ... [2024-11-08 19:40:09,704 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:09" (1/1) ... [2024-11-08 19:40:09,707 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:09" (1/1) ... [2024-11-08 19:40:09,710 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:09" (1/1) ... [2024-11-08 19:40:09,715 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:40:09,716 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:40:09,716 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:40:09,716 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:40:09,717 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:09" (1/1) ... [2024-11-08 19:40:09,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:40:09,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a60ac5-adda-4274-9c6c-886a4f371cf3/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:40:09,770 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a60ac5-adda-4274-9c6c-886a4f371cf3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:40:09,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a60ac5-adda-4274-9c6c-886a4f371cf3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:40:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-08 19:40:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 19:40:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-08 19:40:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 19:40:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 19:40:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 19:40:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:40:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-08 19:40:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:40:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:40:09,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:40:09,974 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:40:09,978 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:40:10,662 INFO L? ?]: Removed 116 outVars from TransFormulas that were not future-live. [2024-11-08 19:40:10,662 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:40:10,855 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:40:10,855 INFO L316 CfgBuilder]: Removed 74 assume(true) statements. [2024-11-08 19:40:10,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:40:10 BoogieIcfgContainer [2024-11-08 19:40:10,858 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:40:10,859 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:40:10,859 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:40:10,869 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:40:10,870 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:40:10" (1/1) ... [2024-11-08 19:40:10,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:40:10,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:10,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 257 states and 407 transitions. [2024-11-08 19:40:10,953 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 407 transitions. [2024-11-08 19:40:10,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 19:40:10,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:10,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:40:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:11,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:40:11,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:11,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 256 states and 401 transitions. [2024-11-08 19:40:11,148 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 401 transitions. [2024-11-08 19:40:11,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 19:40:11,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:11,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:40:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:11,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:40:11,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:11,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 256 states and 399 transitions. [2024-11-08 19:40:11,255 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 399 transitions. [2024-11-08 19:40:11,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 19:40:11,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:11,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:40:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:11,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:40:11,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:11,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 253 states and 396 transitions. [2024-11-08 19:40:11,750 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 396 transitions. [2024-11-08 19:40:11,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 19:40:11,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:11,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:40:11,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:12,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:40:13,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:13,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 262 states and 406 transitions. [2024-11-08 19:40:13,331 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 406 transitions. [2024-11-08 19:40:13,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 19:40:13,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:13,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:40:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:14,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:40:15,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:15,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 274 states and 422 transitions. [2024-11-08 19:40:15,827 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 422 transitions. [2024-11-08 19:40:15,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 19:40:15,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:15,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:40:15,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:16,613 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 19:40:19,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:19,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 288 states and 448 transitions. [2024-11-08 19:40:19,546 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 448 transitions. [2024-11-08 19:40:19,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 19:40:19,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:19,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:40:19,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:20,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:40:23,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:23,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 303 states and 470 transitions. [2024-11-08 19:40:23,970 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 470 transitions. [2024-11-08 19:40:23,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 19:40:23,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:23,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:40:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:25,007 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:40:27,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:27,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 309 states and 486 transitions. [2024-11-08 19:40:27,334 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 486 transitions. [2024-11-08 19:40:27,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 19:40:27,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:27,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:40:27,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:28,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:40:34,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:34,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 326 states and 511 transitions. [2024-11-08 19:40:34,374 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 511 transitions. [2024-11-08 19:40:34,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 19:40:34,375 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:34,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:40:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:34,927 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 19:40:35,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:35,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 327 states and 511 transitions. [2024-11-08 19:40:35,781 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 511 transitions. [2024-11-08 19:40:35,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 19:40:35,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:35,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:40:35,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:37,450 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:40:41,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:41,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 333 states and 525 transitions. [2024-11-08 19:40:41,312 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 525 transitions. [2024-11-08 19:40:41,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 19:40:41,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:41,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:40:41,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:42,300 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:40:45,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:45,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 335 states and 529 transitions. [2024-11-08 19:40:45,026 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 529 transitions. [2024-11-08 19:40:45,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 19:40:45,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:45,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:40:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:46,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:40:55,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:55,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 354 states and 555 transitions. [2024-11-08 19:40:55,339 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 555 transitions. [2024-11-08 19:40:55,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 19:40:55,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:55,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:40:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:58,042 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:41:07,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:41:07,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 369 states and 586 transitions. [2024-11-08 19:41:07,613 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 586 transitions. [2024-11-08 19:41:07,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 19:41:07,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:41:07,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:41:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:41:10,903 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:41:25,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:41:25,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 391 states and 628 transitions. [2024-11-08 19:41:25,565 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 628 transitions. [2024-11-08 19:41:25,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 19:41:25,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:41:25,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:41:25,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:41:28,303 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:41:30,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:41:30,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 392 states and 632 transitions. [2024-11-08 19:41:30,742 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 632 transitions. [2024-11-08 19:41:30,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 19:41:30,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:41:30,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:41:30,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:41:32,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:41:36,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:41:36,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 400 states and 637 transitions. [2024-11-08 19:41:36,108 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 637 transitions. [2024-11-08 19:41:36,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 19:41:36,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:41:36,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:41:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:41:38,487 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:41:42,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:41:42,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 402 states and 643 transitions. [2024-11-08 19:41:42,809 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 643 transitions. [2024-11-08 19:41:42,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 19:41:42,810 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:41:42,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:41:42,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:41:44,652 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:41:56,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:41:56,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 419 states and 671 transitions. [2024-11-08 19:41:56,461 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 671 transitions. [2024-11-08 19:41:56,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 19:41:56,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:41:56,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:41:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:41:59,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:42:18,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:42:18,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 444 states and 704 transitions. [2024-11-08 19:42:18,284 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 704 transitions. [2024-11-08 19:42:18,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 19:42:18,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:42:18,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:42:18,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:42:22,703 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:42:37,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:42:37,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 457 states and 744 transitions. [2024-11-08 19:42:37,936 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 744 transitions. [2024-11-08 19:42:37,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 19:42:37,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:42:37,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:42:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:42:40,642 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:42:46,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:42:46,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 461 states and 757 transitions. [2024-11-08 19:42:46,179 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 757 transitions. [2024-11-08 19:42:46,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 19:42:46,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:42:46,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:42:46,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:42:48,789 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:42:54,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:42:54,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 465 states and 768 transitions. [2024-11-08 19:42:54,008 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 768 transitions. [2024-11-08 19:42:54,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 19:42:54,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:42:54,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:42:54,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:42:54,864 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:42:57,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:42:57,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 468 states and 770 transitions. [2024-11-08 19:42:57,474 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 770 transitions. [2024-11-08 19:42:57,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 19:42:57,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:42:57,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:42:57,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:42:57,509 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:42:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:42:57,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:42:57,734 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:42:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:42:57,851 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 25 iterations. [2024-11-08 19:42:57,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:42:57 ImpRootNode [2024-11-08 19:42:57,900 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:42:57,901 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:42:57,901 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:42:57,902 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:42:57,902 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:40:10" (3/4) ... [2024-11-08 19:42:57,904 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 19:42:57,976 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a60ac5-adda-4274-9c6c-886a4f371cf3/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 19:42:57,976 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:42:57,977 INFO L158 Benchmark]: Toolchain (without parser) took 169290.79ms. Allocated memory was 144.7MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 103.1MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 299.1MB. Max. memory is 16.1GB. [2024-11-08 19:42:57,978 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 104.9MB. Free memory was 72.9MB in the beginning and 72.9MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:42:57,978 INFO L158 Benchmark]: CACSL2BoogieTranslator took 849.46ms. Allocated memory is still 144.7MB. Free memory was 103.1MB in the beginning and 109.8MB in the end (delta: -6.6MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2024-11-08 19:42:57,979 INFO L158 Benchmark]: Boogie Procedure Inliner took 121.73ms. Allocated memory is still 144.7MB. Free memory was 109.8MB in the beginning and 105.7MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:42:57,979 INFO L158 Benchmark]: Boogie Preprocessor took 54.62ms. Allocated memory is still 144.7MB. Free memory was 105.7MB in the beginning and 101.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:42:57,980 INFO L158 Benchmark]: RCFGBuilder took 1142.43ms. Allocated memory is still 144.7MB. Free memory was 101.5MB in the beginning and 99.0MB in the end (delta: 2.5MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. [2024-11-08 19:42:57,980 INFO L158 Benchmark]: CodeCheck took 167041.78ms. Allocated memory was 144.7MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 99.0MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 289.5MB. Max. memory is 16.1GB. [2024-11-08 19:42:57,981 INFO L158 Benchmark]: Witness Printer took 75.53ms. Allocated memory is still 1.6GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:42:57,983 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, 257 locations, 35 error locations. Started 1 CEGAR loops. OverallTime: 167.0s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6189 SdHoareTripleChecker+Valid, 70.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4013 mSDsluCounter, 6851 SdHoareTripleChecker+Invalid, 66.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6062 mSDsCounter, 2514 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10407 IncrementalHoareTripleChecker+Invalid, 12921 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2514 mSolverCounterUnsat, 789 mSDtfsCounter, 10407 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5316 GetRequests, 4479 SyntacticMatches, 149 SemanticMatches, 688 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 248130 ImplicationChecksByTransitivity, 141.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 36.5s InterpolantComputationTime, 592 NumberOfCodeBlocks, 592 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 534 ConstructedInterpolants, 0 QuantifiedInterpolants, 11763 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 10 PerfectInterpolantSequences, 8/120 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: [L850] struct list_head gl_list = { &(gl_list), &(gl_list) }; [L949] CALL gl_read() [L909] CALL gl_insert(__VERIFIER_nondet_int()) [L899] struct node *node = malloc(sizeof *node); [L900] COND FALSE !(!node) [L902] node->value = value [L903] CALL list_add(&node->linkage, &gl_list) [L890] EXPR head->next [L890] CALL __list_add(new, head, head->next) [L878] next->prev = new [L879] new->next = next [L880] new->prev = prev [L881] prev->next = new [L890] RET __list_add(new, head, head->next) [L903] RET list_add(&node->linkage, &gl_list) [L904] (&node->nested)->next = (&node->nested) [L904] (&node->nested)->next = (&node->nested) VAL [gl_list={3:0}, node={5:0}] [L909] RET gl_insert(__VERIFIER_nondet_int()) [L911] COND FALSE !(__VERIFIER_nondet_int()) [L949] RET gl_read() [L950] CALL inspect(&gl_list) [L853] COND FALSE !(!(head)) VAL [gl_list={3:0}, head={3:0}] [L854] EXPR head->next VAL [gl_list={3:0}, head={3:0}] [L854] COND FALSE !(!(head->next != head)) [L855] EXPR head->prev VAL [gl_list={3:0}, head={3:0}] [L855] COND FALSE !(!(head->prev != head)) [L856] EXPR head->prev [L856] head = head->prev [L857] COND FALSE !(!(head)) VAL [gl_list={3:0}, head={5:4}] [L858] EXPR head->next VAL [gl_list={3:0}, head={5:4}] [L858] COND FALSE !(!(head->next != head)) [L859] EXPR head->prev VAL [gl_list={3:0}, head={5:4}] [L859] COND FALSE !(!(head->prev != head)) [L860] const struct node *node = ((struct node *)((char *)(head)-(unsigned long)(&((struct node *)0)->linkage))); VAL [gl_list={3:0}, head={5:4}, node={5:0}] [L861] COND FALSE !(!(node)) VAL [gl_list={3:0}, head={5:4}, node={5:0}] [L862] EXPR node->nested.next VAL [gl_list={3:0}, head={5:4}, node={5:0}] [L862] COND FALSE !(!(node->nested.next == &node->nested)) [L863] EXPR node->nested.prev VAL [gl_list={3:0}, head={5:4}, node={5:0}] [L863] COND TRUE !(node->nested.prev == &node->nested) [L863] CALL fail() [L840] CALL reach_error() [L12] COND FALSE !(0) VAL [gl_list={3:0}] [L12] __assert_fail ("0", "bubble_sort_linux-2.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [gl_list={3:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 104.9MB. Free memory was 72.9MB in the beginning and 72.9MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 849.46ms. Allocated memory is still 144.7MB. Free memory was 103.1MB in the beginning and 109.8MB in the end (delta: -6.6MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 121.73ms. Allocated memory is still 144.7MB. Free memory was 109.8MB in the beginning and 105.7MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.62ms. Allocated memory is still 144.7MB. Free memory was 105.7MB in the beginning and 101.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1142.43ms. Allocated memory is still 144.7MB. Free memory was 101.5MB in the beginning and 99.0MB in the end (delta: 2.5MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. * CodeCheck took 167041.78ms. Allocated memory was 144.7MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 99.0MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 289.5MB. Max. memory is 16.1GB. * Witness Printer took 75.53ms. Allocated memory is still 1.6GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 19:42:58,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a60ac5-adda-4274-9c6c-886a4f371cf3/bin/ukojak-verify-ImItNfHLgk/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)