./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/memsafety-bftpd/bftpd_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/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_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-bftpd/bftpd_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/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_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/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 7c883b81b24ce5a721aa9a1ff13aef8a0d532ba87d9e130e470a0b88a1f8e93e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:06:26,655 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:06:26,731 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2024-11-08 22:06:26,736 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:06:26,736 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:06:26,763 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:06:26,765 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:06:26,766 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:06:26,767 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:06:26,768 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:06:26,768 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:06:26,769 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:06:26,770 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:06:26,771 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:06:26,771 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:06:26,771 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 22:06:26,772 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 22:06:26,775 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:06:26,775 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:06:26,775 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:06:26,776 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:06:26,776 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:06:26,777 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:06:26,777 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:06:26,777 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:06:26,778 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:06:26,778 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:06:26,779 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:06:26,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:06:26,779 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:06:26,780 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:06:26,780 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:06:26,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:06:26,781 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_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c883b81b24ce5a721aa9a1ff13aef8a0d532ba87d9e130e470a0b88a1f8e93e [2024-11-08 22:06:27,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:06:27,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:06:27,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:06:27,170 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:06:27,171 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:06:27,172 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/memsafety-bftpd/bftpd_2.i Unable to find full path for "g++" [2024-11-08 22:06:29,334 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:06:29,623 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:06:29,623 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/sv-benchmarks/c/memsafety-bftpd/bftpd_2.i [2024-11-08 22:06:29,645 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/data/a5279b680/d5b45111e445468aac5714a599c47c2a/FLAGe2bad3f96 [2024-11-08 22:06:29,661 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/data/a5279b680/d5b45111e445468aac5714a599c47c2a [2024-11-08 22:06:29,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:06:29,666 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:06:29,668 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:06:29,668 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:06:29,674 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:06:29,675 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:06:29" (1/1) ... [2024-11-08 22:06:29,676 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aae9ff9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:29, skipping insertion in model container [2024-11-08 22:06:29,676 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:06:29" (1/1) ... [2024-11-08 22:06:29,737 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:06:30,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:06:30,249 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:06:30,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:06:30,378 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:06:30,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:30 WrapperNode [2024-11-08 22:06:30,379 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:06:30,380 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:06:30,381 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:06:30,381 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:06:30,389 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:30" (1/1) ... [2024-11-08 22:06:30,409 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:30" (1/1) ... [2024-11-08 22:06:30,446 INFO L138 Inliner]: procedures = 168, calls = 42, calls flagged for inlining = 8, calls inlined = 14, statements flattened = 165 [2024-11-08 22:06:30,447 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:06:30,448 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:06:30,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:06:30,449 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:06:30,462 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:30" (1/1) ... [2024-11-08 22:06:30,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:30" (1/1) ... [2024-11-08 22:06:30,471 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:30" (1/1) ... [2024-11-08 22:06:30,471 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:30" (1/1) ... [2024-11-08 22:06:30,485 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:30" (1/1) ... [2024-11-08 22:06:30,493 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:30" (1/1) ... [2024-11-08 22:06:30,496 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:30" (1/1) ... [2024-11-08 22:06:30,500 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:30" (1/1) ... [2024-11-08 22:06:30,506 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:06:30,510 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:06:30,510 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:06:30,511 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:06:30,512 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:30" (1/1) ... [2024-11-08 22:06:30,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:06:30,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:06:30,548 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:06:30,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:06:30,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:06:30,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 22:06:30,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:06:30,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-08 22:06:30,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:06:30,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-08 22:06:30,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:06:30,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:06:30,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:06:30,753 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:06:30,755 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:06:31,169 INFO L? ?]: Removed 73 outVars from TransFormulas that were not future-live. [2024-11-08 22:06:31,170 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:06:31,357 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:06:31,358 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:06:31,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:06:31 BoogieIcfgContainer [2024-11-08 22:06:31,359 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:06:31,360 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:06:31,360 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:06:31,372 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:06:31,372 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:06:31" (1/1) ... [2024-11-08 22:06:31,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:06:31,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:31,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2024-11-08 22:06:31,445 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2024-11-08 22:06:31,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:06:31,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:31,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:06:31,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:31,750 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 22:06:31,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:31,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2024-11-08 22:06:31,814 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2024-11-08 22:06:31,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:06:31,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:31,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:06:31,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:31,942 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 22:06:31,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:31,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-08 22:06:31,967 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-08 22:06:31,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:06:31,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:31,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:06:32,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:32,067 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 22:06:32,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:32,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2024-11-08 22:06:32,084 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2024-11-08 22:06:32,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:06:32,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:32,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:06:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:32,201 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 22:06:32,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:32,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2024-11-08 22:06:32,223 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2024-11-08 22:06:32,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:06:32,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:32,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:06:32,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:32,300 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 22:06:32,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:32,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-08 22:06:32,316 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-08 22:06:32,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 22:06:32,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:32,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:06:32,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:32,404 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 22:06:32,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:32,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2024-11-08 22:06:32,422 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2024-11-08 22:06:32,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:06:32,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:32,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:06:32,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:06:32,561 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:06:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:06:32,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:06:32,815 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:06:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:06:32,957 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2024-11-08 22:06:33,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:06:33 ImpRootNode [2024-11-08 22:06:33,010 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:06:33,011 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:06:33,011 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:06:33,012 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:06:33,013 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:06:31" (3/4) ... [2024-11-08 22:06:33,016 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:06:33,018 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:06:33,019 INFO L158 Benchmark]: Toolchain (without parser) took 3352.21ms. Allocated memory was 165.7MB in the beginning and 205.5MB in the end (delta: 39.8MB). Free memory was 122.4MB in the beginning and 135.2MB in the end (delta: -12.8MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2024-11-08 22:06:33,020 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 91.2MB in the end (delta: 25.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:06:33,021 INFO L158 Benchmark]: CACSL2BoogieTranslator took 711.78ms. Allocated memory is still 165.7MB. Free memory was 121.9MB in the beginning and 99.7MB in the end (delta: 22.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 22:06:33,023 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.21ms. Allocated memory is still 165.7MB. Free memory was 99.7MB in the beginning and 97.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:06:33,023 INFO L158 Benchmark]: Boogie Preprocessor took 58.02ms. Allocated memory is still 165.7MB. Free memory was 97.3MB in the beginning and 95.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:06:33,025 INFO L158 Benchmark]: RCFGBuilder took 848.75ms. Allocated memory is still 165.7MB. Free memory was 95.2MB in the beginning and 116.6MB in the end (delta: -21.5MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2024-11-08 22:06:33,026 INFO L158 Benchmark]: CodeCheck took 1650.27ms. Allocated memory was 165.7MB in the beginning and 205.5MB in the end (delta: 39.8MB). Free memory was 116.6MB in the beginning and 135.2MB in the end (delta: -18.6MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2024-11-08 22:06:33,027 INFO L158 Benchmark]: Witness Printer took 6.69ms. Allocated memory is still 205.5MB. Free memory is still 135.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:06:33,033 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, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 250 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 114 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 141 IncrementalHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 114 mSDtfsCounter, 141 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 568 GetRequests, 566 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 75 ConstructedInterpolants, 0 QuantifiedInterpolants, 93 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 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 - UnprovableResult [Line: 721]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of strcmp at line 693. Possible FailurePath: [L685] int state = STATE_1; [L686] char *global = 0; [L687-L690] const struct command commands[] = { {"c1",c1,STATE_1}, {"c2",c2,STATE_2} }; [L722] CALL parse_input("c1") [L692] int i = 0; VAL [commands={6:0}, global={0:0}, i=0, state=0] [L692] COND FALSE !(i < 2) VAL [commands={6:0}, global={0:0}, i=0, state=0] [L692] COND TRUE i < 2 [L693] EXPR commands[i].name VAL [commands={6:0}, global={0:0}, i=0, state=0] [L693] COND TRUE strcmp(commands[i].name,input) == 0 [L694] EXPR commands[i].state_needed VAL [commands={6:0}, global={0:0}, i=0, state=0] [L694] COND TRUE state >= commands[i].state_needed [L695] EXPR commands[i].function [L695] CALL commands[i].function() [L702] char *x = (char *)malloc(sizeof(char)); [L703] COND FALSE !(!x) [L706] COND FALSE !(\read(*global)) [L709] global = x [L710] state = STATE_2 [L695] RET commands[i].function() [L722] RET parse_input("c1") [L723] CALL parse_input("c1") [L692] int i = 0; VAL [commands={6:0}, global={-23974:0}, i=0, state=1] [L692] COND FALSE !(i < 2) VAL [commands={6:0}, global={-23974:0}, i=0, state=1] [L692] COND TRUE i < 2 [L693] EXPR commands[i].name VAL [commands={6:0}, global={-23974:0}, i=0, state=1] [L693] COND TRUE strcmp(commands[i].name,input) == 0 [L694] EXPR commands[i].state_needed VAL [commands={6:0}, global={-23974:0}, i=0, state=1] [L694] COND TRUE state >= commands[i].state_needed [L695] EXPR commands[i].function [L695] CALL commands[i].function() [L702] char *x = (char *)malloc(sizeof(char)); [L703] COND FALSE !(!x) [L706] COND TRUE \read(*global) [L709] global = x [L710] state = STATE_2 [L695] RET commands[i].function() [L723] RET parse_input("c1") [L724] CALL parse_input("c2") [L692] int i = 0; VAL [commands={6:0}, global={-23975:0}, i=0, state=1] [L692] COND FALSE !(i < 2) VAL [commands={6:0}, global={-23975:0}, i=0, state=1] [L692] COND TRUE i < 2 [L693] EXPR commands[i].name VAL [commands={6:0}, global={-23975:0}, i=0, state=1] [L693] COND TRUE strcmp(commands[i].name,input) == 0 [L694] EXPR commands[i].state_needed VAL [commands={6:0}, global={-23975:0}, i=0, state=1] [L694] COND TRUE state >= commands[i].state_needed [L695] EXPR commands[i].function [L695] CALL commands[i].function() [L702] char *x = (char *)malloc(sizeof(char)); [L703] COND FALSE !(!x) [L706] COND TRUE \read(*global) [L709] global = x [L710] state = STATE_2 [L695] RET commands[i].function() [L724] RET parse_input("c2") [L725] return 0; VAL [\result=0, commands={6:0}, global={18841:0}, state=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 91.2MB in the end (delta: 25.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 711.78ms. Allocated memory is still 165.7MB. Free memory was 121.9MB in the beginning and 99.7MB in the end (delta: 22.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.21ms. Allocated memory is still 165.7MB. Free memory was 99.7MB in the beginning and 97.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.02ms. Allocated memory is still 165.7MB. Free memory was 97.3MB in the beginning and 95.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 848.75ms. Allocated memory is still 165.7MB. Free memory was 95.2MB in the beginning and 116.6MB in the end (delta: -21.5MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * CodeCheck took 1650.27ms. Allocated memory was 165.7MB in the beginning and 205.5MB in the end (delta: 39.8MB). Free memory was 116.6MB in the beginning and 135.2MB in the end (delta: -18.6MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * Witness Printer took 6.69ms. Allocated memory is still 205.5MB. Free memory is still 135.2MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:06:33,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/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_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-bftpd/bftpd_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-MemCleanup-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/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 7c883b81b24ce5a721aa9a1ff13aef8a0d532ba87d9e130e470a0b88a1f8e93e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:06:35,532 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:06:35,630 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-MemCleanup-32bit-Kojak_Bitvector.epf [2024-11-08 22:06:35,675 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:06:35,676 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:06:35,677 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:06:35,677 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:06:35,677 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:06:35,678 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:06:35,678 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:06:35,679 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:06:35,679 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:06:35,680 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:06:35,680 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 22:06:35,683 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 22:06:35,683 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:06:35,684 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:06:35,684 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:06:35,685 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:06:35,685 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:06:35,689 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:06:35,689 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:06:35,690 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:06:35,690 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:06:35,690 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:06:35,691 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:06:35,691 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:06:35,691 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:06:35,692 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:35,692 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:06:35,692 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:06:35,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:06:35,693 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:06:35,696 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:06:35,696 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:06:35,696 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:35,697 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:06:35,698 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_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c883b81b24ce5a721aa9a1ff13aef8a0d532ba87d9e130e470a0b88a1f8e93e [2024-11-08 22:06:36,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:06:36,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:06:36,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:06:36,163 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:06:36,164 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:06:36,166 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/memsafety-bftpd/bftpd_2.i Unable to find full path for "g++" [2024-11-08 22:06:38,277 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:06:38,631 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:06:38,632 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/sv-benchmarks/c/memsafety-bftpd/bftpd_2.i [2024-11-08 22:06:38,649 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/data/28720c70a/29cd04ee37ce46f9b74836a2424f9393/FLAGb2e7b6423 [2024-11-08 22:06:38,674 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/data/28720c70a/29cd04ee37ce46f9b74836a2424f9393 [2024-11-08 22:06:38,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:06:38,681 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:06:38,683 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:06:38,683 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:06:38,687 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:06:38,688 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:06:38" (1/1) ... [2024-11-08 22:06:38,691 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d5cec0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:38, skipping insertion in model container [2024-11-08 22:06:38,692 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:06:38" (1/1) ... [2024-11-08 22:06:38,765 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:06:39,353 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 22:06:39,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:06:39,389 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:06:39,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:06:39,544 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:06:39,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:39 WrapperNode [2024-11-08 22:06:39,546 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:06:39,550 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:06:39,550 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:06:39,551 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:06:39,560 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:39" (1/1) ... [2024-11-08 22:06:39,590 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:39" (1/1) ... [2024-11-08 22:06:39,637 INFO L138 Inliner]: procedures = 169, calls = 42, calls flagged for inlining = 8, calls inlined = 14, statements flattened = 166 [2024-11-08 22:06:39,642 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:06:39,643 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:06:39,643 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:06:39,643 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:06:39,655 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:39" (1/1) ... [2024-11-08 22:06:39,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:39" (1/1) ... [2024-11-08 22:06:39,662 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:39" (1/1) ... [2024-11-08 22:06:39,663 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:39" (1/1) ... [2024-11-08 22:06:39,678 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:39" (1/1) ... [2024-11-08 22:06:39,686 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:39" (1/1) ... [2024-11-08 22:06:39,691 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:39" (1/1) ... [2024-11-08 22:06:39,693 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:39" (1/1) ... [2024-11-08 22:06:39,697 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:06:39,698 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:06:39,698 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:06:39,699 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:06:39,700 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:39" (1/1) ... [2024-11-08 22:06:39,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:06:39,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:06:39,745 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:06:39,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:06:39,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-08 22:06:39,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 22:06:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:06:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-08 22:06:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:06:39,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-08 22:06:39,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:06:39,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:06:39,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:06:39,992 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:06:39,994 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:06:40,459 INFO L? ?]: Removed 73 outVars from TransFormulas that were not future-live. [2024-11-08 22:06:40,459 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:06:40,714 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:06:40,715 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:06:40,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:06:40 BoogieIcfgContainer [2024-11-08 22:06:40,716 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:06:40,718 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:06:40,719 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:06:40,730 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:06:40,730 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:06:40" (1/1) ... [2024-11-08 22:06:40,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:06:40,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:40,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2024-11-08 22:06:40,800 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2024-11-08 22:06:40,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:06:40,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:40,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:40,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:40,804 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:40,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:06:40,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:40,979 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:41,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:41,024 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:06:41,031 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:41,092 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 22:06:41,095 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:06:41,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:41,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:41,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2024-11-08 22:06:41,173 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2024-11-08 22:06:41,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:06:41,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:41,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:41,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:41,177 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:41,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:06:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:41,271 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:41,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:41,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:06:41,304 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:41,319 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 22:06:41,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 22:06:41,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:41,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 35 states and 55 transitions. [2024-11-08 22:06:41,367 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2024-11-08 22:06:41,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:06:41,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:41,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:41,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:41,371 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:41,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 22:06:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:41,503 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:41,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:41,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:06:41,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:41,564 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 22:06:41,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 22:06:41,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:41,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 35 states and 53 transitions. [2024-11-08 22:06:41,627 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 53 transitions. [2024-11-08 22:06:41,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:06:41,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:41,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:41,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:41,631 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:41,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 22:06:41,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:41,757 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:41,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:06:41,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:41,807 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 22:06:41,810 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:06:41,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 22:06:41,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:41,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 51 transitions. [2024-11-08 22:06:41,842 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2024-11-08 22:06:41,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:06:41,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:41,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:41,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:41,847 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:41,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 22:06:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:42,007 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:42,060 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:06:42,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:42,088 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 22:06:42,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:42,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:42,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 53 transitions. [2024-11-08 22:06:42,203 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2024-11-08 22:06:42,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:06:42,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:42,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:42,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:42,209 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:42,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 22:06:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:42,354 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:42,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:42,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:06:42,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:42,404 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 22:06:42,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:42,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:42,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 37 states and 55 transitions. [2024-11-08 22:06:42,501 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 55 transitions. [2024-11-08 22:06:42,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:06:42,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:42,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:42,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:42,506 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:42,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 22:06:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:42,709 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:42,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:06:42,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:42,777 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 22:06:42,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:42,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:42,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 38 states and 57 transitions. [2024-11-08 22:06:42,808 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 57 transitions. [2024-11-08 22:06:42,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:06:42,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:42,809 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:42,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:42,812 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:42,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 22:06:42,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:42,999 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:43,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:43,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:06:43,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:43,060 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 22:06:43,064 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:06:43,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-08 22:06:43,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:43,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 39 states and 59 transitions. [2024-11-08 22:06:43,094 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 59 transitions. [2024-11-08 22:06:43,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:06:43,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:43,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:43,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:43,103 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:43,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 22:06:43,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:06:43,679 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:06:44,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:06:44,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:06:44,430 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:06:44,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:06:44,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-08 22:06:44,573 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 9 iterations. [2024-11-08 22:06:44,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:06:44 ImpRootNode [2024-11-08 22:06:44,609 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:06:44,610 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:06:44,610 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:06:44,610 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:06:44,610 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:06:40" (3/4) ... [2024-11-08 22:06:44,613 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:06:44,614 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:06:44,615 INFO L158 Benchmark]: Toolchain (without parser) took 5934.25ms. Allocated memory was 73.4MB in the beginning and 125.8MB in the end (delta: 52.4MB). Free memory was 48.1MB in the beginning and 94.6MB in the end (delta: -46.4MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2024-11-08 22:06:44,616 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 73.4MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:06:44,617 INFO L158 Benchmark]: CACSL2BoogieTranslator took 866.49ms. Allocated memory was 73.4MB in the beginning and 104.9MB in the end (delta: 31.5MB). Free memory was 48.1MB in the beginning and 73.1MB in the end (delta: -25.0MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2024-11-08 22:06:44,618 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.31ms. Allocated memory is still 104.9MB. Free memory was 73.1MB in the beginning and 70.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:06:44,618 INFO L158 Benchmark]: Boogie Preprocessor took 54.44ms. Allocated memory is still 104.9MB. Free memory was 70.6MB in the beginning and 68.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:06:44,619 INFO L158 Benchmark]: RCFGBuilder took 1019.65ms. Allocated memory is still 104.9MB. Free memory was 68.1MB in the beginning and 77.7MB in the end (delta: -9.6MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2024-11-08 22:06:44,619 INFO L158 Benchmark]: CodeCheck took 3890.68ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 77.7MB in the beginning and 95.6MB in the end (delta: -17.9MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. [2024-11-08 22:06:44,620 INFO L158 Benchmark]: Witness Printer took 5.01ms. Allocated memory is still 125.8MB. Free memory was 95.6MB in the beginning and 94.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:06:44,623 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, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 284 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 144 mSDsluCounter, 456 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 240 mSDsCounter, 134 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 222 IncrementalHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 134 mSolverCounterUnsat, 216 mSDtfsCounter, 222 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 848 GetRequests, 834 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 129 SizeOfPredicates, 0 NumberOfNonLiveVariables, 593 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 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 - UnprovableResult [Line: 721]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of strcmp at line 693. Possible FailurePath: [L685] int state = STATE_1; [L686] char *global = 0; [L687-L690] const struct command commands[] = { {"c1",c1,STATE_1}, {"c2",c2,STATE_2} }; [L722] CALL parse_input("c1") [L692] int i = 0; VAL [commands={6:0}, global={0:0}, i=0, state=0] [L692] COND FALSE !(i < 2) VAL [commands={6:0}, global={0:0}, i=0, state=0] [L692] COND TRUE i < 2 [L693] EXPR commands[i].name VAL [commands={6:0}, global={0:0}, i=0, state=0] [L693] COND TRUE strcmp(commands[i].name,input) == 0 [L694] EXPR commands[i].state_needed VAL [commands={6:0}, global={0:0}, i=0, state=0] [L694] COND TRUE state >= commands[i].state_needed [L695] EXPR commands[i].function [L695] CALL commands[i].function() [L702] char *x = (char *)malloc(sizeof(char)); [L703] COND FALSE !(!x) [L706] COND FALSE !(\read(*global)) [L709] global = x [L710] state = STATE_2 [L695] RET commands[i].function() [L722] RET parse_input("c1") [L723] CALL parse_input("c1") [L692] int i = 0; VAL [commands={6:0}, global={12:0}, i=0, state=1] [L692] COND FALSE !(i < 2) VAL [commands={6:0}, global={12:0}, i=0, state=1] [L692] COND TRUE i < 2 [L693] EXPR commands[i].name VAL [commands={6:0}, global={12:0}, i=0, state=1] [L693] COND TRUE strcmp(commands[i].name,input) == 0 [L694] EXPR commands[i].state_needed VAL [commands={6:0}, global={12:0}, i=0, state=1] [L694] COND TRUE state >= commands[i].state_needed [L695] EXPR commands[i].function [L695] CALL commands[i].function() [L702] char *x = (char *)malloc(sizeof(char)); [L703] COND FALSE !(!x) [L706] COND TRUE \read(*global) [L709] global = x [L710] state = STATE_2 [L695] RET commands[i].function() [L723] RET parse_input("c1") [L724] CALL parse_input("c2") [L692] int i = 0; VAL [commands={6:0}, global={9:0}, i=0, state=1] [L692] COND FALSE !(i < 2) VAL [commands={6:0}, global={9:0}, i=0, state=1] [L692] COND TRUE i < 2 [L693] EXPR commands[i].name VAL [commands={6:0}, global={9:0}, i=0, state=1] [L693] COND TRUE strcmp(commands[i].name,input) == 0 [L694] EXPR commands[i].state_needed VAL [commands={6:0}, global={9:0}, i=0, state=1] [L694] COND TRUE state >= commands[i].state_needed [L695] EXPR commands[i].function [L695] CALL commands[i].function() [L702] char *x = (char *)malloc(sizeof(char)); [L703] COND FALSE !(!x) [L706] COND TRUE \read(*global) [L709] global = x [L710] state = STATE_2 [L695] RET commands[i].function() [L724] RET parse_input("c2") [L725] return 0; VAL [\result=0, commands={6:0}, global={8:0}, state=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 73.4MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 866.49ms. Allocated memory was 73.4MB in the beginning and 104.9MB in the end (delta: 31.5MB). Free memory was 48.1MB in the beginning and 73.1MB in the end (delta: -25.0MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.31ms. Allocated memory is still 104.9MB. Free memory was 73.1MB in the beginning and 70.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.44ms. Allocated memory is still 104.9MB. Free memory was 70.6MB in the beginning and 68.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1019.65ms. Allocated memory is still 104.9MB. Free memory was 68.1MB in the beginning and 77.7MB in the end (delta: -9.6MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. * CodeCheck took 3890.68ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 77.7MB in the beginning and 95.6MB in the end (delta: -17.9MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. * Witness Printer took 5.01ms. Allocated memory is still 125.8MB. Free memory was 95.6MB in the beginning and 94.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:06:44,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5cd1c2-4c9e-4ab2-8b1c-bde308194b2a/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 Result: UNKNOWN: Overapproximated counterexample