./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/memsafety-bftpd/bftpd_1.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_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/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_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-bftpd/bftpd_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/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_2180ec28-cfe0-429f-b029-31ad11a0873b/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 10f5db0b7f76a0d4c4c35217e21dd4a594e7457adb3230ac21a302fd5d7ee15c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:02:39,080 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:02:39,174 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2024-11-13 21:02:39,181 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:02:39,181 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:02:39,220 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:02:39,221 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:02:39,221 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:02:39,221 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:02:39,221 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:02:39,222 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:02:39,222 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:02:39,222 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:02:39,222 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:02:39,222 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:02:39,222 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 21:02:39,222 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 21:02:39,222 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:02:39,222 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:02:39,222 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:02:39,223 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:02:39,224 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:02:39,225 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:02:39,225 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:02:39,225 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:02:39,225 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:02:39,225 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:02:39,225 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:02:39,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:02:39,225 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:02:39,226 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:02:39,226 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:02:39,226 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:02:39,226 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_2180ec28-cfe0-429f-b029-31ad11a0873b/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 -> 10f5db0b7f76a0d4c4c35217e21dd4a594e7457adb3230ac21a302fd5d7ee15c [2024-11-13 21:02:39,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:02:39,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:02:39,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:02:39,631 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:02:39,631 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:02:39,633 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/memsafety-bftpd/bftpd_1.i Unable to find full path for "g++" [2024-11-13 21:02:41,475 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:02:41,837 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:02:41,839 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/sv-benchmarks/c/memsafety-bftpd/bftpd_1.i [2024-11-13 21:02:41,862 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/data/1dac068ce/bd3b6998fcc643fa93f3bf48ac1846e7/FLAGa2ab055c3 [2024-11-13 21:02:41,883 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/data/1dac068ce/bd3b6998fcc643fa93f3bf48ac1846e7 [2024-11-13 21:02:41,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:02:41,890 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:02:41,892 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:02:41,892 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:02:41,896 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:02:41,897 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:02:41" (1/1) ... [2024-11-13 21:02:41,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@344ab057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:41, skipping insertion in model container [2024-11-13 21:02:41,902 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:02:41" (1/1) ... [2024-11-13 21:02:41,950 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:02:42,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:02:42,416 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:02:42,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:02:42,493 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:02:42,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:42 WrapperNode [2024-11-13 21:02:42,493 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:02:42,494 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:02:42,495 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:02:42,495 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:02:42,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:42" (1/1) ... [2024-11-13 21:02:42,515 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:42" (1/1) ... [2024-11-13 21:02:42,541 INFO L138 Inliner]: procedures = 168, calls = 43, calls flagged for inlining = 8, calls inlined = 14, statements flattened = 168 [2024-11-13 21:02:42,541 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:02:42,542 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:02:42,542 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:02:42,542 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:02:42,547 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:42" (1/1) ... [2024-11-13 21:02:42,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:42" (1/1) ... [2024-11-13 21:02:42,551 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:42" (1/1) ... [2024-11-13 21:02:42,551 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:42" (1/1) ... [2024-11-13 21:02:42,559 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:42" (1/1) ... [2024-11-13 21:02:42,567 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:42" (1/1) ... [2024-11-13 21:02:42,571 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:42" (1/1) ... [2024-11-13 21:02:42,572 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:42" (1/1) ... [2024-11-13 21:02:42,574 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:02:42,575 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:02:42,576 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:02:42,576 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:02:42,577 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:42" (1/1) ... [2024-11-13 21:02:42,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:02:42,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:02:42,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:02:42,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:02:42,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:02:42,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 21:02:42,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:02:42,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 21:02:42,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:02:42,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 21:02:42,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:02:42,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:02:42,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:02:42,769 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:02:42,771 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:02:43,127 INFO L? ?]: Removed 70 outVars from TransFormulas that were not future-live. [2024-11-13 21:02:43,128 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:02:43,369 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:02:43,371 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 21:02:43,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:02:43 BoogieIcfgContainer [2024-11-13 21:02:43,371 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:02:43,372 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:02:43,372 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:02:43,385 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:02:43,385 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:02:43" (1/1) ... [2024-11-13 21:02:43,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:02:43,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:02:43,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-11-13 21:02:43,445 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-11-13 21:02:43,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:02:43,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:02:43,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:02:43,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:43,697 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 21:02:43,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:02:43,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2024-11-13 21:02:43,769 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2024-11-13 21:02:43,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:02:43,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:02:43,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:02:43,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:43,936 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 21:02:43,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:02:43,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 21:02:43,954 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 21:02:43,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:02:43,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:02:43,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:02:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:44,079 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 21:02:44,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:02:44,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2024-11-13 21:02:44,105 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2024-11-13 21:02:44,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:02:44,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:02:44,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:02:44,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:02:44,241 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:02:44,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:02:44,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:02:44,521 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:02:44,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:02:44,594 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-11-13 21:02:44,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:02:44 ImpRootNode [2024-11-13 21:02:44,643 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:02:44,644 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:02:44,644 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:02:44,645 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:02:44,645 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:02:43" (3/4) ... [2024-11-13 21:02:44,647 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:02:44,648 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:02:44,651 INFO L158 Benchmark]: Toolchain (without parser) took 2759.23ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 106.3MB in the end (delta: 11.9MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2024-11-13 21:02:44,652 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 142.6MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:02:44,652 INFO L158 Benchmark]: CACSL2BoogieTranslator took 602.24ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 98.1MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:02:44,652 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.13ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 96.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:02:44,654 INFO L158 Benchmark]: Boogie Preprocessor took 32.49ms. Allocated memory is still 142.6MB. Free memory was 96.1MB in the beginning and 94.7MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:02:44,654 INFO L158 Benchmark]: RCFGBuilder took 795.82ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 112.0MB in the end (delta: -17.2MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2024-11-13 21:02:44,655 INFO L158 Benchmark]: CodeCheck took 1271.22ms. Allocated memory is still 142.6MB. Free memory was 112.0MB in the beginning and 106.3MB in the end (delta: 5.6MB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. [2024-11-13 21:02:44,655 INFO L158 Benchmark]: Witness Printer took 4.35ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 106.3MB in the end (delta: 15.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:02:44,660 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: 722]: 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} }; [L723] 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() [L723] RET parse_input("c1") [L724] CALL parse_input("c1") [L692] int i = 0; VAL [commands={6:0}, global={-1:0}, i=0, state=1] [L692] COND TRUE i < 2 [L693] EXPR commands[i].name VAL [commands={6:0}, global={-1:0}, i=0, state=1] [L693] COND TRUE strcmp(commands[i].name,input) == 0 [L694] EXPR commands[i].state_needed VAL [commands={6:0}, global={-1:0}, 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("c1") [L725] CALL parse_input("c2") [L692] int i = 0; VAL [commands={6:0}, global={21095:0}, i=0, state=1] [L692] COND TRUE i < 2 [L693] EXPR commands[i].name VAL [commands={6:0}, global={21095:0}, i=0, state=1] [L693] COND TRUE strcmp(commands[i].name,input) == 0 [L694] EXPR commands[i].state_needed VAL [commands={6:0}, global={21095:0}, 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() [L725] RET parse_input("c2") [L726] return 0; VAL [\result=0, commands={6:0}, global={-1:0}, state=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 142.6MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 602.24ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 98.1MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.13ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 96.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.49ms. Allocated memory is still 142.6MB. Free memory was 96.1MB in the beginning and 94.7MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 795.82ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 112.0MB in the end (delta: -17.2MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. * CodeCheck took 1271.22ms. Allocated memory is still 142.6MB. Free memory was 112.0MB in the beginning and 106.3MB in the end (delta: 5.6MB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. * Witness Printer took 4.35ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 106.3MB in the end (delta: 15.6kB). 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 21:02:44,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/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_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/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_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-bftpd/bftpd_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/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_2180ec28-cfe0-429f-b029-31ad11a0873b/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 10f5db0b7f76a0d4c4c35217e21dd4a594e7457adb3230ac21a302fd5d7ee15c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:02:47,336 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:02:47,451 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-MemCleanup-32bit-Kojak_Bitvector.epf [2024-11-13 21:02:47,534 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:02:47,536 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:02:47,539 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:02:47,540 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:02:47,540 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:02:47,540 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:02:47,540 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:02:47,540 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:02:47,540 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:02:47,540 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:02:47,540 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 21:02:47,540 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 21:02:47,541 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:02:47,541 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:02:47,541 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:02:47,541 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:02:47,541 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:02:47,541 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:02:47,541 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:02:47,541 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:02:47,541 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:02:47,541 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:02:47,542 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:02:47,542 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:02:47,542 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:02:47,542 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:02:47,542 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:02:47,542 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:02:47,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:02:47,543 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:02:47,543 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:02:47,543 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:02:47,543 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:02:47,543 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:02:47,543 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_2180ec28-cfe0-429f-b029-31ad11a0873b/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 -> 10f5db0b7f76a0d4c4c35217e21dd4a594e7457adb3230ac21a302fd5d7ee15c [2024-11-13 21:02:47,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:02:47,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:02:47,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:02:47,854 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:02:47,856 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:02:47,859 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/memsafety-bftpd/bftpd_1.i Unable to find full path for "g++" [2024-11-13 21:02:49,831 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:02:50,238 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:02:50,239 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/sv-benchmarks/c/memsafety-bftpd/bftpd_1.i [2024-11-13 21:02:50,273 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/data/07c4ad526/d85de23297584ae785f8e8ef7fa3e15e/FLAG13eb54e88 [2024-11-13 21:02:50,310 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/data/07c4ad526/d85de23297584ae785f8e8ef7fa3e15e [2024-11-13 21:02:50,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:02:50,317 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:02:50,319 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:02:50,319 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:02:50,327 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:02:50,328 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:02:50" (1/1) ... [2024-11-13 21:02:50,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@144a655d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:50, skipping insertion in model container [2024-11-13 21:02:50,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:02:50" (1/1) ... [2024-11-13 21:02:50,384 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:02:50,782 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 21:02:50,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:02:50,807 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:02:50,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:02:50,898 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:02:50,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:50 WrapperNode [2024-11-13 21:02:50,899 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:02:50,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:02:50,900 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:02:50,900 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:02:50,907 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:50" (1/1) ... [2024-11-13 21:02:50,926 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:50" (1/1) ... [2024-11-13 21:02:50,950 INFO L138 Inliner]: procedures = 169, calls = 43, calls flagged for inlining = 8, calls inlined = 14, statements flattened = 169 [2024-11-13 21:02:50,951 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:02:50,951 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:02:50,951 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:02:50,951 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:02:50,959 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:50" (1/1) ... [2024-11-13 21:02:50,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:50" (1/1) ... [2024-11-13 21:02:50,964 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:50" (1/1) ... [2024-11-13 21:02:50,966 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:50" (1/1) ... [2024-11-13 21:02:50,983 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:50" (1/1) ... [2024-11-13 21:02:50,987 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:50" (1/1) ... [2024-11-13 21:02:50,989 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:50" (1/1) ... [2024-11-13 21:02:50,990 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:50" (1/1) ... [2024-11-13 21:02:50,993 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:02:50,994 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:02:50,995 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:02:50,995 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:02:50,996 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:50" (1/1) ... [2024-11-13 21:02:51,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:02:51,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:02:51,030 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:02:51,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:02:51,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-13 21:02:51,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 21:02:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:02:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 21:02:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:02:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 21:02:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:02:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:02:51,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:02:51,181 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:02:51,183 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:02:51,575 INFO L? ?]: Removed 70 outVars from TransFormulas that were not future-live. [2024-11-13 21:02:51,579 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:02:51,812 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:02:51,813 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 21:02:51,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:02:51 BoogieIcfgContainer [2024-11-13 21:02:51,813 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:02:51,814 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:02:51,814 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:02:51,824 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:02:51,825 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:02:51" (1/1) ... [2024-11-13 21:02:51,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:02:51,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:02:51,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-11-13 21:02:51,881 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-11-13 21:02:51,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:02:51,883 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:02:51,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:02:51,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:02:51,886 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:02:51,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:02:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:52,017 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:02:52,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:52,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:02:52,071 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:02:52,125 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 21:02:52,127 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:02:52,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:02:52,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:02:52,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2024-11-13 21:02:52,230 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2024-11-13 21:02:52,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:02:52,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:02:52,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:02:52,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:02:52,236 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:02:52,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:02:52,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:52,404 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:02:52,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:52,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:02:52,485 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:02:52,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:02:52,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 21:02:52,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:02:52,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 44 transitions. [2024-11-13 21:02:52,624 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 44 transitions. [2024-11-13 21:02:52,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:02:52,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:02:52,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:02:52,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:02:52,629 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:02:52,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:02:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:52,783 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:02:52,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:52,831 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:02:52,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:02:52,839 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 21:02:52,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 21:02:52,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:02:52,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 28 states and 46 transitions. [2024-11-13 21:02:52,931 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 46 transitions. [2024-11-13 21:02:52,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:02:52,932 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:02:52,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:02:52,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:02:52,938 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:02:52,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 21:02:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:53,111 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:02:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:53,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:02:53,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:02:53,176 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 21:02:53,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 21:02:53,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:02:53,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2024-11-13 21:02:53,205 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2024-11-13 21:02:53,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:02:53,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:02:53,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:02:53,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:02:53,211 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:02:53,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 21:02:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:53,385 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:02:53,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:53,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:02:53,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:02:53,445 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 21:02:53,448 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:02:53,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 21:02:53,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:02:53,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 30 states and 50 transitions. [2024-11-13 21:02:53,473 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 50 transitions. [2024-11-13 21:02:53,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:02:53,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:02:53,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:02:53,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:02:53,478 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:02:53,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 21:02:53,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:02:53,991 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:02:54,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:02:54,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:02:54,919 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:02:55,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:02:55,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 21:02:55,128 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2024-11-13 21:02:55,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:02:55 ImpRootNode [2024-11-13 21:02:55,177 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:02:55,178 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:02:55,179 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:02:55,179 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:02:55,180 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:02:51" (3/4) ... [2024-11-13 21:02:55,183 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:02:55,184 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:02:55,187 INFO L158 Benchmark]: Toolchain (without parser) took 4869.20ms. Allocated memory was 117.4MB in the beginning and 268.4MB in the end (delta: 151.0MB). Free memory was 90.9MB in the beginning and 223.5MB in the end (delta: -132.6MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2024-11-13 21:02:55,187 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 117.4MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:02:55,188 INFO L158 Benchmark]: CACSL2BoogieTranslator took 580.47ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 70.1MB in the end (delta: 20.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:02:55,188 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.60ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 68.0MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:02:55,188 INFO L158 Benchmark]: Boogie Preprocessor took 42.56ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 66.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:02:55,190 INFO L158 Benchmark]: RCFGBuilder took 818.83ms. Allocated memory is still 117.4MB. Free memory was 66.4MB in the beginning and 63.5MB in the end (delta: 2.9MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2024-11-13 21:02:55,190 INFO L158 Benchmark]: CodeCheck took 3363.62ms. Allocated memory was 117.4MB in the beginning and 268.4MB in the end (delta: 151.0MB). Free memory was 63.5MB in the beginning and 223.5MB in the end (delta: -160.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:02:55,191 INFO L158 Benchmark]: Witness Printer took 5.58ms. Allocated memory is still 268.4MB. Free memory was 223.5MB in the beginning and 223.5MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:02:55,194 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: 3.3s, 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, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 47 ConstructedInterpolants, 0 QuantifiedInterpolants, 69 SizeOfPredicates, 0 NumberOfNonLiveVariables, 380 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: 722]: 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} }; [L723] 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() [L723] RET parse_input("c1") [L724] 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() [L724] RET parse_input("c1") [L725] CALL parse_input("c2") [L692] int i = 0; VAL [commands={6:0}, global={10:0}, i=0, state=1] [L692] COND TRUE i < 2 [L693] EXPR commands[i].name VAL [commands={6:0}, global={10:0}, i=0, state=1] [L693] COND TRUE strcmp(commands[i].name,input) == 0 [L694] EXPR commands[i].state_needed VAL [commands={6:0}, global={10:0}, 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() [L725] RET parse_input("c2") [L726] 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 0.52ms. Allocated memory is still 117.4MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 580.47ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 70.1MB in the end (delta: 20.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.60ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 68.0MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.56ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 66.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 818.83ms. Allocated memory is still 117.4MB. Free memory was 66.4MB in the beginning and 63.5MB in the end (delta: 2.9MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. * CodeCheck took 3363.62ms. Allocated memory was 117.4MB in the beginning and 268.4MB in the end (delta: 151.0MB). Free memory was 63.5MB in the beginning and 223.5MB in the end (delta: -160.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.58ms. Allocated memory is still 268.4MB. Free memory was 223.5MB in the beginning and 223.5MB in the end (delta: 42.6kB). 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 21:02:55,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2180ec28-cfe0-429f-b029-31ad11a0873b/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