./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/heap-manipulation/tree-4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 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_da7e97f9-8c52-4e05-8b60-fea258094dce/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da7e97f9-8c52-4e05-8b60-fea258094dce/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_da7e97f9-8c52-4e05-8b60-fea258094dce/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da7e97f9-8c52-4e05-8b60-fea258094dce/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/tree-4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da7e97f9-8c52-4e05-8b60-fea258094dce/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_da7e97f9-8c52-4e05-8b60-fea258094dce/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 93cf6e13715dcd5309cb599b4358d41a64464f02c52b3716bc554a9d0e833f5e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:50:23,200 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:50:23,301 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da7e97f9-8c52-4e05-8b60-fea258094dce/bin/ukojak-verify-ImItNfHLgk/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2024-11-09 00:50:23,307 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:50:23,310 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:50:23,349 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:50:23,350 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:50:23,351 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:50:23,353 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:50:23,354 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:50:23,355 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:50:23,355 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:50:23,356 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:50:23,356 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:50:23,359 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:50:23,359 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 00:50:23,360 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 00:50:23,360 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:50:23,360 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:50:23,361 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:50:23,361 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:50:23,362 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:50:23,366 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:50:23,367 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:50:23,367 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:50:23,367 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:50:23,368 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:50:23,368 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:50:23,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:50:23,369 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:50:23,369 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:50:23,370 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:50:23,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:50:23,373 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_da7e97f9-8c52-4e05-8b60-fea258094dce/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da7e97f9-8c52-4e05-8b60-fea258094dce/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93cf6e13715dcd5309cb599b4358d41a64464f02c52b3716bc554a9d0e833f5e [2024-11-09 00:50:23,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:50:23,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:50:23,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:50:23,762 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:50:23,763 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:50:23,764 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da7e97f9-8c52-4e05-8b60-fea258094dce/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/heap-manipulation/tree-4.i Unable to find full path for "g++" [2024-11-09 00:50:26,083 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:50:26,425 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:50:26,425 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da7e97f9-8c52-4e05-8b60-fea258094dce/sv-benchmarks/c/heap-manipulation/tree-4.i [2024-11-09 00:50:26,440 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da7e97f9-8c52-4e05-8b60-fea258094dce/bin/ukojak-verify-ImItNfHLgk/data/3662623dd/4f121e8b6af548ca8f5723a8cf0f5411/FLAGecceb58ff [2024-11-09 00:50:26,705 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da7e97f9-8c52-4e05-8b60-fea258094dce/bin/ukojak-verify-ImItNfHLgk/data/3662623dd/4f121e8b6af548ca8f5723a8cf0f5411 [2024-11-09 00:50:26,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:50:26,713 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:50:26,717 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:50:26,722 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:50:26,731 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:50:26,732 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:50:26" (1/1) ... [2024-11-09 00:50:26,734 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51fbcf4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:26, skipping insertion in model container [2024-11-09 00:50:26,734 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:50:26" (1/1) ... [2024-11-09 00:50:26,797 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:50:27,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:50:27,282 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:50:27,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:50:27,407 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:50:27,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:27 WrapperNode [2024-11-09 00:50:27,408 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:50:27,409 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:50:27,409 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:50:27,409 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:50:27,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:27" (1/1) ... [2024-11-09 00:50:27,440 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:27" (1/1) ... [2024-11-09 00:50:27,479 INFO L138 Inliner]: procedures = 122, calls = 45, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 153 [2024-11-09 00:50:27,480 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:50:27,482 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:50:27,484 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:50:27,484 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:50:27,495 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:27" (1/1) ... [2024-11-09 00:50:27,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:27" (1/1) ... [2024-11-09 00:50:27,504 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:27" (1/1) ... [2024-11-09 00:50:27,504 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:27" (1/1) ... [2024-11-09 00:50:27,520 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:27" (1/1) ... [2024-11-09 00:50:27,529 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:27" (1/1) ... [2024-11-09 00:50:27,530 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:27" (1/1) ... [2024-11-09 00:50:27,532 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:27" (1/1) ... [2024-11-09 00:50:27,536 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:50:27,537 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:50:27,537 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:50:27,537 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:50:27,538 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:27" (1/1) ... [2024-11-09 00:50:27,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:50:27,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da7e97f9-8c52-4e05-8b60-fea258094dce/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:50:27,580 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da7e97f9-8c52-4e05-8b60-fea258094dce/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:50:27,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da7e97f9-8c52-4e05-8b60-fea258094dce/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:50:27,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 00:50:27,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 00:50:27,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 00:50:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:50:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 00:50:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 00:50:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:50:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:50:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:50:27,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:50:27,781 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:50:27,784 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:50:28,222 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-11-09 00:50:28,222 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:50:28,325 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:50:28,325 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-09 00:50:28,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:50:28 BoogieIcfgContainer [2024-11-09 00:50:28,326 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:50:28,327 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:50:28,328 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:50:28,340 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:50:28,340 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:50:28" (1/1) ... [2024-11-09 00:50:28,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:50:28,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:28,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 64 transitions. [2024-11-09 00:50:28,416 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 64 transitions. [2024-11-09 00:50:28,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:50:28,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:28,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:50:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:28,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:50:28,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:28,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2024-11-09 00:50:28,779 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2024-11-09 00:50:28,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:50:28,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:28,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:50:28,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:28,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:50:29,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:29,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 48 states and 76 transitions. [2024-11-09 00:50:29,033 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 76 transitions. [2024-11-09 00:50:29,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:50:29,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:29,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:50:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:29,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:50:29,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:29,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 52 states and 81 transitions. [2024-11-09 00:50:29,358 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 81 transitions. [2024-11-09 00:50:29,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:50:29,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:29,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:50:29,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:29,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:50:30,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:30,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 54 states and 80 transitions. [2024-11-09 00:50:30,048 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 80 transitions. [2024-11-09 00:50:30,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:50:30,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:30,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:50:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:30,167 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:50:30,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:30,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 55 states and 82 transitions. [2024-11-09 00:50:30,488 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 82 transitions. [2024-11-09 00:50:30,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:50:30,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:30,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:50:30,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:30,606 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:50:30,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:30,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 56 states and 88 transitions. [2024-11-09 00:50:30,888 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 88 transitions. [2024-11-09 00:50:30,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 00:50:30,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:30,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:50:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:31,090 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:50:32,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:32,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 61 states and 101 transitions. [2024-11-09 00:50:32,384 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 101 transitions. [2024-11-09 00:50:32,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:50:32,385 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:32,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:50:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:32,572 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 00:50:33,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:33,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 62 states and 105 transitions. [2024-11-09 00:50:33,006 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 105 transitions. [2024-11-09 00:50:33,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:50:33,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:33,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:50:33,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:33,144 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 00:50:33,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:33,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 63 states and 106 transitions. [2024-11-09 00:50:33,409 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 106 transitions. [2024-11-09 00:50:33,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:50:33,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:33,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:50:33,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:33,470 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 00:50:33,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:33,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 64 states and 108 transitions. [2024-11-09 00:50:33,933 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 108 transitions. [2024-11-09 00:50:33,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 00:50:33,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:33,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:50:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:34,111 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:50:34,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:34,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 65 states and 110 transitions. [2024-11-09 00:50:34,181 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 110 transitions. [2024-11-09 00:50:34,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 00:50:34,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:34,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:50:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:34,355 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:50:35,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:35,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 68 states and 112 transitions. [2024-11-09 00:50:35,023 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 112 transitions. [2024-11-09 00:50:35,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 00:50:35,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:35,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:50:35,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:35,149 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 00:50:35,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:35,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 53 states and 81 transitions. [2024-11-09 00:50:35,296 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-09 00:50:35,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:50:35,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:35,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:50:35,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:35,427 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:50:35,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:35,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 54 states and 82 transitions. [2024-11-09 00:50:35,450 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 82 transitions. [2024-11-09 00:50:35,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:50:35,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:35,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:50:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:37,349 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:50:39,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:39,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 65 states and 105 transitions. [2024-11-09 00:50:39,847 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 105 transitions. [2024-11-09 00:50:39,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:50:39,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:39,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:50:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:41,211 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:50:43,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:43,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 72 states and 116 transitions. [2024-11-09 00:50:43,845 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 116 transitions. [2024-11-09 00:50:43,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:50:43,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:43,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:50:43,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:45,331 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:50:46,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:46,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 75 states and 121 transitions. [2024-11-09 00:50:46,481 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 121 transitions. [2024-11-09 00:50:46,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:50:46,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:46,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:50:46,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:46,961 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:50:48,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:48,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 78 states and 126 transitions. [2024-11-09 00:50:48,246 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 126 transitions. [2024-11-09 00:50:48,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 00:50:48,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:48,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:50:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:48,350 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 00:50:48,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:48,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 78 states and 120 transitions. [2024-11-09 00:50:48,901 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 120 transitions. [2024-11-09 00:50:48,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 00:50:48,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:48,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:50:48,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:49,013 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:50:49,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:49,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 79 states and 121 transitions. [2024-11-09 00:50:49,237 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 121 transitions. [2024-11-09 00:50:49,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 00:50:49,238 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:49,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:50:49,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:50,773 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:50:52,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:52,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 84 states and 131 transitions. [2024-11-09 00:50:52,867 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 131 transitions. [2024-11-09 00:50:52,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 00:50:52,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:52,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:50:53,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:54,283 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:50:55,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:55,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 85 states and 133 transitions. [2024-11-09 00:50:55,028 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 133 transitions. [2024-11-09 00:50:55,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 00:50:55,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:55,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:50:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:56,534 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:50:59,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:59,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 87 states and 145 transitions. [2024-11-09 00:50:59,030 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 145 transitions. [2024-11-09 00:50:59,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 00:50:59,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:59,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:50:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:59,647 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 00:51:01,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:51:01,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 88 states and 150 transitions. [2024-11-09 00:51:01,086 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 150 transitions. [2024-11-09 00:51:01,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:51:01,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:51:01,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:51:01,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:51:01,152 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:51:01,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:51:01,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:51:01,910 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:51:02,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:51:02,771 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 25 iterations. [2024-11-09 00:51:02,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:51:02 ImpRootNode [2024-11-09 00:51:02,812 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:51:02,813 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:51:02,814 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:51:02,814 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:51:02,815 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:50:28" (3/4) ... [2024-11-09 00:51:02,816 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 00:51:02,885 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da7e97f9-8c52-4e05-8b60-fea258094dce/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:51:02,885 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:51:02,886 INFO L158 Benchmark]: Toolchain (without parser) took 36172.87ms. Allocated memory was 163.6MB in the beginning and 520.1MB in the end (delta: 356.5MB). Free memory was 123.9MB in the beginning and 378.9MB in the end (delta: -255.0MB). Peak memory consumption was 103.4MB. Max. memory is 16.1GB. [2024-11-09 00:51:02,886 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 109.1MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:51:02,887 INFO L158 Benchmark]: CACSL2BoogieTranslator took 691.51ms. Allocated memory is still 163.6MB. Free memory was 123.7MB in the beginning and 103.6MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 00:51:02,891 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.09ms. Allocated memory is still 163.6MB. Free memory was 103.6MB in the beginning and 101.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:51:02,892 INFO L158 Benchmark]: Boogie Preprocessor took 54.44ms. Allocated memory is still 163.6MB. Free memory was 101.2MB in the beginning and 99.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:51:02,892 INFO L158 Benchmark]: RCFGBuilder took 789.70ms. Allocated memory is still 163.6MB. Free memory was 99.1MB in the beginning and 119.3MB in the end (delta: -20.2MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2024-11-09 00:51:02,893 INFO L158 Benchmark]: CodeCheck took 34485.13ms. Allocated memory was 163.6MB in the beginning and 520.1MB in the end (delta: 356.5MB). Free memory was 119.3MB in the beginning and 381.0MB in the end (delta: -261.7MB). Peak memory consumption was 96.9MB. Max. memory is 16.1GB. [2024-11-09 00:51:02,893 INFO L158 Benchmark]: Witness Printer took 71.98ms. Allocated memory is still 520.1MB. Free memory was 381.0MB in the beginning and 378.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:51:02,896 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, 41 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 34.4s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3240 SdHoareTripleChecker+Valid, 59.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1717 mSDsluCounter, 2136 SdHoareTripleChecker+Invalid, 54.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1390 mSDsCounter, 1591 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6170 IncrementalHoareTripleChecker+Invalid, 7761 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1591 mSolverCounterUnsat, 746 mSDtfsCounter, 6170 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3615 GetRequests, 3349 SyntacticMatches, 40 SemanticMatches, 226 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22698 ImplicationChecksByTransitivity, 16.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 11.1s InterpolantComputationTime, 400 NumberOfCodeBlocks, 400 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 353 ConstructedInterpolants, 0 QuantifiedInterpolants, 1928 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 16 PerfectInterpolantSequences, 68/82 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 12]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L632] CALL, EXPR create_tree() [L585] struct node *nodelast = ((void *)0); [L586] struct node *node = ((void *)0); VAL [node={0:0}, nodelast={0:0}] [L587] COND TRUE __VERIFIER_nondet_int() [L588] node = malloc(sizeof *node) [L589] COND FALSE !(!node) [L591] node->left = ((void *)0) [L592] node->right = nodelast [L593] COND FALSE !(\read(*nodelast)) [L595] int value = __VERIFIER_nondet_int(); [L596] node->value = value [L597] nodelast = node [L587] COND FALSE !(__VERIFIER_nondet_int()) [L599] COND TRUE node != ((void *)0) [L600] node->parent = ((void *)0) VAL [node={3:0}, nodelast={3:0}] [L601] COND FALSE !(node != ((void *)0)) VAL [node={3:0}, nodelast={3:0}] [L601] COND TRUE node != ((void *)0) [L602] node->left = malloc(sizeof *node) [L603] COND FALSE !(!node) [L605] EXPR node->left [L605] node->left->left = ((void *)0) [L606] EXPR node->left [L606] node->left->right = ((void *)0) [L607] EXPR node->left [L607] node->left->value = 42 [L608] EXPR node->left [L608] node->left->parent = node [L609] EXPR node->right [L609] node = node->right [L601] COND TRUE node != ((void *)0) VAL [nodelast={3:0}] [L611] return nodelast; [L632] RET, EXPR create_tree() [L632] struct node *data = create_tree(); [L633] COND FALSE !(!data) [L635] CALL inspect(data) [L575] COND FALSE !(!(node)) VAL [node={3:0}] [L576] COND FALSE !(node != ((void *)0)) VAL [node={3:0}] [L576] COND TRUE node != ((void *)0) [L577] node->left VAL [node={3:0}] [L577] COND TRUE node->left [L578] EXPR node->left [L578] EXPR node->left->value VAL [node={3:0}] [L578] COND FALSE !(!(node->left->value == 42)) [L579] EXPR node->value VAL [node={3:0}] [L579] COND TRUE !(node->value) [L579] CALL fail() [L565] CALL reach_error() [L12] COND FALSE !(0) [L12] __assert_fail ("0", "tree-4.c", 3, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 109.1MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 691.51ms. Allocated memory is still 163.6MB. Free memory was 123.7MB in the beginning and 103.6MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.09ms. Allocated memory is still 163.6MB. Free memory was 103.6MB in the beginning and 101.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.44ms. Allocated memory is still 163.6MB. Free memory was 101.2MB in the beginning and 99.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 789.70ms. Allocated memory is still 163.6MB. Free memory was 99.1MB in the beginning and 119.3MB in the end (delta: -20.2MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * CodeCheck took 34485.13ms. Allocated memory was 163.6MB in the beginning and 520.1MB in the end (delta: 356.5MB). Free memory was 119.3MB in the beginning and 381.0MB in the end (delta: -261.7MB). Peak memory consumption was 96.9MB. Max. memory is 16.1GB. * Witness Printer took 71.98ms. Allocated memory is still 520.1MB. Free memory was 381.0MB in the beginning and 378.9MB 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! [2024-11-09 00:51:02,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da7e97f9-8c52-4e05-8b60-fea258094dce/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-memcleanup)