./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-bftpd/bftpd_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7c883b81b24ce5a721aa9a1ff13aef8a0d532ba87d9e130e470a0b88a1f8e93e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:53:58,558 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:53:58,659 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2024-11-13 22:53:58,664 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:53:58,664 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:53:58,707 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:53:58,709 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:53:58,710 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:53:58,711 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:53:58,711 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:53:58,711 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:53:58,711 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:53:58,712 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:53:58,712 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:53:58,713 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:53:58,714 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 22:53:58,714 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 22:53:58,714 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:53:58,714 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:53:58,714 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:53:58,714 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:53:58,714 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:53:58,715 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:53:58,715 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:53:58,715 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:53:58,715 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:53:58,715 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:53:58,715 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:53:58,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:53:58,716 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:53:58,716 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:53:58,716 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:53:58,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:53:58,716 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c883b81b24ce5a721aa9a1ff13aef8a0d532ba87d9e130e470a0b88a1f8e93e [2024-11-13 22:53:59,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:53:59,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:53:59,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:53:59,080 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:53:59,083 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:53:59,084 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/memsafety-bftpd/bftpd_2.i Unable to find full path for "g++" [2024-11-13 22:54:01,117 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:54:01,554 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:54:01,556 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/sv-benchmarks/c/memsafety-bftpd/bftpd_2.i [2024-11-13 22:54:01,578 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/data/a25121c23/f5a5e5b4252e44c29fafdc292a7fa05d/FLAGfb2eff7a2 [2024-11-13 22:54:01,600 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/data/a25121c23/f5a5e5b4252e44c29fafdc292a7fa05d [2024-11-13 22:54:01,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:54:01,607 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:54:01,609 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:54:01,609 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:54:01,614 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:54:01,616 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:54:01" (1/1) ... [2024-11-13 22:54:01,617 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4711d9e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:01, skipping insertion in model container [2024-11-13 22:54:01,620 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:54:01" (1/1) ... [2024-11-13 22:54:01,667 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:54:02,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:54:02,122 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:54:02,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:54:02,240 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:54:02,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:02 WrapperNode [2024-11-13 22:54:02,241 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:54:02,243 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:54:02,243 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:54:02,243 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:54:02,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:02" (1/1) ... [2024-11-13 22:54:02,275 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:02" (1/1) ... [2024-11-13 22:54:02,310 INFO L138 Inliner]: procedures = 168, calls = 42, calls flagged for inlining = 8, calls inlined = 14, statements flattened = 165 [2024-11-13 22:54:02,313 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:54:02,314 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:54:02,314 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:54:02,314 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:54:02,321 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:02" (1/1) ... [2024-11-13 22:54:02,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:02" (1/1) ... [2024-11-13 22:54:02,327 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:02" (1/1) ... [2024-11-13 22:54:02,331 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:02" (1/1) ... [2024-11-13 22:54:02,342 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:02" (1/1) ... [2024-11-13 22:54:02,354 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:02" (1/1) ... [2024-11-13 22:54:02,355 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:02" (1/1) ... [2024-11-13 22:54:02,360 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:02" (1/1) ... [2024-11-13 22:54:02,362 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:54:02,366 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:54:02,366 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:54:02,366 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:54:02,367 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:02" (1/1) ... [2024-11-13 22:54:02,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:54:02,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:54:02,417 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:54:02,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:54:02,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:54:02,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 22:54:02,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:54:02,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 22:54:02,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:54:02,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 22:54:02,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:54:02,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:54:02,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:54:02,587 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:54:02,589 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:54:03,020 INFO L? ?]: Removed 70 outVars from TransFormulas that were not future-live. [2024-11-13 22:54:03,020 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:54:03,239 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:54:03,239 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 22:54:03,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:54:03 BoogieIcfgContainer [2024-11-13 22:54:03,240 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:54:03,241 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:54:03,241 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:54:03,252 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:54:03,252 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:54:03" (1/1) ... [2024-11-13 22:54:03,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:54:03,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:54:03,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-11-13 22:54:03,330 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-11-13 22:54:03,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:54:03,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:54:03,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:54:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:54:03,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:54:03,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:54:03,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2024-11-13 22:54:03,734 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2024-11-13 22:54:03,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:54:03,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:54:03,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:54:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:54:03,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:54:03,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:54:03,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 22:54:03,888 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 22:54:03,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:54:03,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:54:03,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:54:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:54:04,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:54:04,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:54:04,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2024-11-13 22:54:04,022 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2024-11-13 22:54:04,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:54:04,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:54:04,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:54:04,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:54:04,131 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:54:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:54:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:54:04,373 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:54:04,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:54:04,475 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-11-13 22:54:04,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:54:04 ImpRootNode [2024-11-13 22:54:04,530 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:54:04,531 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:54:04,531 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:54:04,532 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:54:04,532 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:54:03" (3/4) ... [2024-11-13 22:54:04,535 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:54:04,536 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:54:04,540 INFO L158 Benchmark]: Toolchain (without parser) took 2930.84ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 49.3MB in the end (delta: 69.0MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. [2024-11-13 22:54:04,540 INFO L158 Benchmark]: CDTParser took 1.55ms. Allocated memory is still 142.6MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:54:04,543 INFO L158 Benchmark]: CACSL2BoogieTranslator took 633.39ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 98.4MB in the end (delta: 19.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:54:04,544 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.90ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 96.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:54:04,544 INFO L158 Benchmark]: Boogie Preprocessor took 51.16ms. Allocated memory is still 142.6MB. Free memory was 96.4MB in the beginning and 94.8MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:54:04,544 INFO L158 Benchmark]: RCFGBuilder took 873.94ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 112.7MB in the end (delta: -17.9MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2024-11-13 22:54:04,545 INFO L158 Benchmark]: CodeCheck took 1289.26ms. Allocated memory is still 142.6MB. Free memory was 112.7MB in the beginning and 49.3MB in the end (delta: 63.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 22:54:04,545 INFO L158 Benchmark]: Witness Printer took 5.35ms. Allocated memory is still 142.6MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:54:04,547 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, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 85 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 33 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 54 IncrementalHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 33 mSDtfsCounter, 54 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 215 GetRequests, 213 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, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 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={-9645:0}, i=0, state=1] [L692] COND TRUE i < 2 [L693] EXPR commands[i].name VAL [commands={6:0}, global={-9645:0}, i=0, state=1] [L693] COND TRUE strcmp(commands[i].name,input) == 0 [L694] EXPR commands[i].state_needed VAL [commands={6:0}, global={-9645:0}, 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={-9644:0}, i=0, state=1] [L692] COND TRUE i < 2 [L693] EXPR commands[i].name VAL [commands={6:0}, global={-9644:0}, i=0, state=1] [L693] COND TRUE strcmp(commands[i].name,input) == 0 [L694] EXPR commands[i].state_needed VAL [commands={6:0}, global={-9644:0}, 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={-9646:0}, state=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.55ms. Allocated memory is still 142.6MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 633.39ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 98.4MB in the end (delta: 19.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.90ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 96.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.16ms. Allocated memory is still 142.6MB. Free memory was 96.4MB in the beginning and 94.8MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 873.94ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 112.7MB in the end (delta: -17.9MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. * CodeCheck took 1289.26ms. Allocated memory is still 142.6MB. Free memory was 112.7MB in the beginning and 49.3MB in the end (delta: 63.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Witness Printer took 5.35ms. Allocated memory is still 142.6MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:54:04,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-bftpd/bftpd_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-MemCleanup-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7c883b81b24ce5a721aa9a1ff13aef8a0d532ba87d9e130e470a0b88a1f8e93e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:54:07,180 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:54:07,284 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-MemCleanup-32bit-Kojak_Bitvector.epf [2024-11-13 22:54:07,328 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:54:07,329 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:54:07,329 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:54:07,330 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:54:07,330 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:54:07,330 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:54:07,330 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:54:07,330 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:54:07,331 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:54:07,331 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:54:07,331 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 22:54:07,331 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 22:54:07,333 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:54:07,333 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:54:07,333 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:54:07,333 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:54:07,333 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:54:07,333 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:54:07,333 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:54:07,334 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:54:07,334 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:54:07,334 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:54:07,334 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:54:07,334 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:54:07,334 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:54:07,334 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:54:07,334 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:54:07,335 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:54:07,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:54:07,335 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:54:07,335 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:54:07,335 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:54:07,335 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:54:07,335 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:54:07,335 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c883b81b24ce5a721aa9a1ff13aef8a0d532ba87d9e130e470a0b88a1f8e93e [2024-11-13 22:54:07,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:54:07,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:54:07,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:54:07,660 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:54:07,660 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:54:07,661 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/memsafety-bftpd/bftpd_2.i Unable to find full path for "g++" [2024-11-13 22:54:09,559 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:54:09,874 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:54:09,874 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/sv-benchmarks/c/memsafety-bftpd/bftpd_2.i [2024-11-13 22:54:09,889 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/data/aa06d1b43/deef33ec8a414049a112d4097e76f4a9/FLAGee02d13d3 [2024-11-13 22:54:10,142 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/data/aa06d1b43/deef33ec8a414049a112d4097e76f4a9 [2024-11-13 22:54:10,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:54:10,149 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:54:10,151 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:54:10,151 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:54:10,155 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:54:10,156 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:54:10" (1/1) ... [2024-11-13 22:54:10,157 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fa184af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:10, skipping insertion in model container [2024-11-13 22:54:10,158 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:54:10" (1/1) ... [2024-11-13 22:54:10,210 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:54:10,537 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 22:54:10,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:54:10,557 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:54:10,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:54:10,646 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:54:10,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:10 WrapperNode [2024-11-13 22:54:10,647 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:54:10,648 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:54:10,648 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:54:10,648 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:54:10,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:10" (1/1) ... [2024-11-13 22:54:10,670 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:10" (1/1) ... [2024-11-13 22:54:10,699 INFO L138 Inliner]: procedures = 169, calls = 42, calls flagged for inlining = 8, calls inlined = 14, statements flattened = 166 [2024-11-13 22:54:10,700 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:54:10,700 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:54:10,700 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:54:10,700 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:54:10,707 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:10" (1/1) ... [2024-11-13 22:54:10,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:10" (1/1) ... [2024-11-13 22:54:10,712 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:10" (1/1) ... [2024-11-13 22:54:10,712 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:10" (1/1) ... [2024-11-13 22:54:10,721 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:10" (1/1) ... [2024-11-13 22:54:10,725 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:10" (1/1) ... [2024-11-13 22:54:10,727 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:10" (1/1) ... [2024-11-13 22:54:10,728 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:10" (1/1) ... [2024-11-13 22:54:10,731 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:54:10,736 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:54:10,736 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:54:10,736 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:54:10,737 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:10" (1/1) ... [2024-11-13 22:54:10,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:54:10,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:54:10,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:54:10,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:54:10,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-13 22:54:10,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 22:54:10,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:54:10,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 22:54:10,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:54:10,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 22:54:10,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:54:10,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:54:10,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:54:10,990 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:54:10,992 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:54:11,490 INFO L? ?]: Removed 70 outVars from TransFormulas that were not future-live. [2024-11-13 22:54:11,491 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:54:11,769 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:54:11,769 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 22:54:11,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:54:11 BoogieIcfgContainer [2024-11-13 22:54:11,770 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:54:11,771 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:54:11,771 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:54:11,781 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:54:11,781 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:54:11" (1/1) ... [2024-11-13 22:54:11,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:54:11,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:54:11,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-11-13 22:54:11,846 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-11-13 22:54:11,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:54:11,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:54:11,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:54:11,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:54:11,854 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:54:11,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:54:12,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:54:12,002 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:54:12,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:54:12,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:54:12,063 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:54:12,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:54:12,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:54:12,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:54:12,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2024-11-13 22:54:12,238 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2024-11-13 22:54:12,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:54:12,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:54:12,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:54:12,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:54:12,243 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:54:12,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:54:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:54:12,431 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:54:12,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:54:12,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:54:12,477 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:54:12,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:54:12,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 22:54:12,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:54:12,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 44 transitions. [2024-11-13 22:54:12,653 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 44 transitions. [2024-11-13 22:54:12,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:54:12,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:54:12,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:54:12,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:54:12,656 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:54:12,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 22:54:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:54:12,811 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:54:12,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:54:12,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:54:12,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:54:12,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:54:12,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 22:54:12,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:54:12,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 28 states and 46 transitions. [2024-11-13 22:54:12,967 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 46 transitions. [2024-11-13 22:54:12,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:54:12,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:54:12,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:54:12,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:54:12,970 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:54:12,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 22:54:13,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:54:13,144 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:54:13,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:54:13,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:54:13,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:54:13,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:54:13,202 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:54:13,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-13 22:54:13,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:54:13,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2024-11-13 22:54:13,227 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2024-11-13 22:54:13,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:54:13,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:54:13,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:54:13,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:54:13,232 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:54:13,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 22:54:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:54:13,408 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:54:13,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:54:13,457 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:54:13,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:54:13,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:54:13,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-13 22:54:13,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:54:13,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 30 states and 50 transitions. [2024-11-13 22:54:13,497 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 50 transitions. [2024-11-13 22:54:13,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:54:13,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:54:13,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:54:13,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:54:13,502 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:54:13,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 22:54:14,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:54:14,137 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:54:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:54:14,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:54:14,856 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:54:14,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:54:15,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-13 22:54:15,015 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2024-11-13 22:54:15,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:54:15 ImpRootNode [2024-11-13 22:54:15,062 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:54:15,063 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:54:15,063 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:54:15,063 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:54:15,064 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:54:11" (3/4) ... [2024-11-13 22:54:15,067 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:54:15,068 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:54:15,071 INFO L158 Benchmark]: Toolchain (without parser) took 4920.06ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 92.3MB in the beginning and 218.1MB in the end (delta: -125.8MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2024-11-13 22:54:15,071 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory was 85.0MB in the beginning and 85.0MB in the end (delta: 51.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:54:15,072 INFO L158 Benchmark]: CACSL2BoogieTranslator took 496.41ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 71.5MB in the end (delta: 20.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:54:15,072 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.84ms. Allocated memory is still 117.4MB. Free memory was 71.5MB in the beginning and 69.5MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:54:15,072 INFO L158 Benchmark]: Boogie Preprocessor took 31.40ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 67.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:54:15,073 INFO L158 Benchmark]: RCFGBuilder took 1033.81ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 65.3MB in the end (delta: 2.4MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2024-11-13 22:54:15,073 INFO L158 Benchmark]: CodeCheck took 3291.11ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 65.2MB in the beginning and 218.2MB in the end (delta: -153.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:54:15,076 INFO L158 Benchmark]: Witness Printer took 5.29ms. Allocated memory is still 260.0MB. Free memory was 218.2MB in the beginning and 218.1MB in the end (delta: 35.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:54:15,078 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, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 163 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 60 mSDsluCounter, 144 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 60 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 165 IncrementalHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 84 mSDtfsCounter, 165 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 444 GetRequests, 432 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 47 ConstructedInterpolants, 0 QuantifiedInterpolants, 69 SizeOfPredicates, 0 NumberOfNonLiveVariables, 374 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 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 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={8:0}, i=0, state=1] [L692] COND TRUE i < 2 [L693] EXPR commands[i].name VAL [commands={6:0}, global={8:0}, i=0, state=1] [L693] COND TRUE strcmp(commands[i].name,input) == 0 [L694] EXPR commands[i].state_needed VAL [commands={6:0}, global={8:0}, 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={512:0}, state=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory was 85.0MB in the beginning and 85.0MB in the end (delta: 51.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 496.41ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 71.5MB in the end (delta: 20.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.84ms. Allocated memory is still 117.4MB. Free memory was 71.5MB in the beginning and 69.5MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.40ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 67.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1033.81ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 65.3MB in the end (delta: 2.4MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. * CodeCheck took 3291.11ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 65.2MB in the beginning and 218.2MB in the end (delta: -153.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.29ms. Allocated memory is still 260.0MB. Free memory was 218.2MB in the beginning and 218.1MB in the end (delta: 35.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:54:15,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3493762a-d3e4-48a6-b11a-707346d287dc/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample