./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-regression/test14.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd30489-7f1f-4740-8373-ff7fec59122c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd30489-7f1f-4740-8373-ff7fec59122c/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_ecd30489-7f1f-4740-8373-ff7fec59122c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd30489-7f1f-4740-8373-ff7fec59122c/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-regression/test14.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd30489-7f1f-4740-8373-ff7fec59122c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd30489-7f1f-4740-8373-ff7fec59122c/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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 43add3fb390381787d828981d477f3fc281683356a8c07aa62dab1cd48a603bf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:57:29,543 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:57:29,630 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd30489-7f1f-4740-8373-ff7fec59122c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-13 20:57:29,639 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:57:29,640 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:57:29,677 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:57:29,678 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:57:29,678 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:57:29,679 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:57:29,679 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:57:29,680 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:57:29,680 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:57:29,680 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:57:29,680 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 20:57:29,680 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 20:57:29,680 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 20:57:29,680 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:57:29,680 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:57:29,680 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:57:29,681 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:57:29,681 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:57:29,681 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:57:29,681 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:57:29,681 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:57:29,681 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:57:29,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:57:29,681 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:57:29,681 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:57:29,681 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:57:29,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:57:29,682 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_ecd30489-7f1f-4740-8373-ff7fec59122c/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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 43add3fb390381787d828981d477f3fc281683356a8c07aa62dab1cd48a603bf [2024-11-13 20:57:29,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:57:29,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:57:30,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:57:30,003 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:57:30,003 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:57:30,004 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd30489-7f1f-4740-8373-ff7fec59122c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/ldv-regression/test14.c Unable to find full path for "g++" [2024-11-13 20:57:31,974 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:57:32,208 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:57:32,209 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd30489-7f1f-4740-8373-ff7fec59122c/sv-benchmarks/c/ldv-regression/test14.c [2024-11-13 20:57:32,216 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd30489-7f1f-4740-8373-ff7fec59122c/bin/ukojak-verify-EEHR8qb7sm/data/336af8486/f6c528dc209e48d4829c9e4f856dff55/FLAG47592642e [2024-11-13 20:57:32,549 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd30489-7f1f-4740-8373-ff7fec59122c/bin/ukojak-verify-EEHR8qb7sm/data/336af8486/f6c528dc209e48d4829c9e4f856dff55 [2024-11-13 20:57:32,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:57:32,553 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:57:32,554 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:57:32,554 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:57:32,559 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:57:32,560 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:57:32" (1/1) ... [2024-11-13 20:57:32,561 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13c1c7ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:32, skipping insertion in model container [2024-11-13 20:57:32,561 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:57:32" (1/1) ... [2024-11-13 20:57:32,575 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:57:32,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:57:32,768 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:57:32,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:57:32,805 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:57:32,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:32 WrapperNode [2024-11-13 20:57:32,806 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:57:32,807 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:57:32,807 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:57:32,807 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:57:32,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:32" (1/1) ... [2024-11-13 20:57:32,822 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:32" (1/1) ... [2024-11-13 20:57:32,844 INFO L138 Inliner]: procedures = 15, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2024-11-13 20:57:32,844 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:57:32,845 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:57:32,845 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:57:32,845 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:57:32,853 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:32" (1/1) ... [2024-11-13 20:57:32,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:32" (1/1) ... [2024-11-13 20:57:32,860 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:32" (1/1) ... [2024-11-13 20:57:32,860 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:32" (1/1) ... [2024-11-13 20:57:32,864 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:32" (1/1) ... [2024-11-13 20:57:32,870 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:32" (1/1) ... [2024-11-13 20:57:32,871 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:32" (1/1) ... [2024-11-13 20:57:32,875 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:32" (1/1) ... [2024-11-13 20:57:32,877 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:57:32,878 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:57:32,878 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:57:32,878 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:57:32,879 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:32" (1/1) ... [2024-11-13 20:57:32,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:57:32,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd30489-7f1f-4740-8373-ff7fec59122c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:57:32,914 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd30489-7f1f-4740-8373-ff7fec59122c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:57:32,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd30489-7f1f-4740-8373-ff7fec59122c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:57:32,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:57:32,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:57:32,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 20:57:32,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:57:32,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:57:32,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 20:57:32,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:57:33,030 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:57:33,032 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:57:33,236 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-13 20:57:33,236 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:57:33,313 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:57:33,314 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:57:33,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:57:33 BoogieIcfgContainer [2024-11-13 20:57:33,314 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:57:33,316 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:57:33,317 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:57:33,327 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:57:33,328 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:57:33" (1/1) ... [2024-11-13 20:57:33,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:57:33,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:33,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 20:57:33,398 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 20:57:33,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:57:33,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:33,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:57:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:33,693 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 20:57:33,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:33,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2024-11-13 20:57:33,736 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2024-11-13 20:57:33,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:57:33,736 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:33,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:57:33,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:34,026 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 20:57:34,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:34,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2024-11-13 20:57:34,133 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2024-11-13 20:57:34,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:57:34,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:34,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:57:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:34,471 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 20:57:34,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:34,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2024-11-13 20:57:34,768 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2024-11-13 20:57:34,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 20:57:34,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:34,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:57:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:34,875 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 20:57:35,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:35,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2024-11-13 20:57:35,261 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-11-13 20:57:35,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 20:57:35,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:35,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:57:35,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:35,438 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 20:57:36,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:36,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:57:36,048 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:57:36,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:57:36,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:36,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:57:36,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:36,161 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 20:57:36,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:36,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 12 states and 11 transitions. [2024-11-13 20:57:36,646 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2024-11-13 20:57:36,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:57:36,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:36,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:57:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:36,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:57:37,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:37,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 11 states and 10 transitions. [2024-11-13 20:57:37,734 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2024-11-13 20:57:37,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:57:37,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:37,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:57:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:37,938 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 20:57:39,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:39,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2024-11-13 20:57:39,230 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2024-11-13 20:57:39,231 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 20:57:39,231 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-11-13 20:57:39,240 INFO L729 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2024-11-13 20:57:39,306 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-13 20:57:39,307 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 20:57:39,307 INFO L77 FloydHoareUtils]: At program point L21(line 21) the Hoare annotation is: (let ((.cse0 (select |#valid| |ULTIMATE.start_main_~pa~0#1.base|)) (.cse1 (select |#length| |ULTIMATE.start_main_~pa~0#1.base|))) (and (= |ULTIMATE.start_main_~pa~0#1.offset| 0) (= .cse0 1) (= |ULTIMATE.start_main_~pa~0#1.offset| |ULTIMATE.start_main_~pb~0#1.offset|) |ULTIMATE.start_main_#t~short10#1| (= (select |#valid| |ULTIMATE.start_main_~pb~0#1.base|) .cse0) (= (select |#memory_int| |ULTIMATE.start_main_~pb~0#1.base|) (select |#memory_int| |ULTIMATE.start_main_~pa~0#1.base|)) (= .cse1 (select |#length| |ULTIMATE.start_main_~pb~0#1.base|)) (= (store |#valid| |ULTIMATE.start_main_~#c~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (<= 4 .cse1))) [2024-11-13 20:57:39,308 INFO L77 FloydHoareUtils]: At program point L21-1(line 21) the Hoare annotation is: (let ((.cse0 (select |#valid| |ULTIMATE.start_main_~pa~0#1.base|)) (.cse1 (select |#length| |ULTIMATE.start_main_~pa~0#1.base|))) (and (= |ULTIMATE.start_main_~pa~0#1.offset| 0) (= .cse0 1) (= |ULTIMATE.start_main_~pa~0#1.offset| |ULTIMATE.start_main_~pb~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~pb~0#1.base|) .cse0) (= (select |#memory_int| |ULTIMATE.start_main_~pb~0#1.base|) (select |#memory_int| |ULTIMATE.start_main_~pa~0#1.base|)) (= .cse1 (select |#length| |ULTIMATE.start_main_~pb~0#1.base|)) (= (store |#valid| |ULTIMATE.start_main_~#c~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (<= 4 .cse1))) [2024-11-13 20:57:39,310 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-13 20:57:39,310 INFO L77 FloydHoareUtils]: At program point L21-2(line 21) the Hoare annotation is: (and (= (select |#valid| |ULTIMATE.start_main_~pb~0#1.base|) 1) (= |ULTIMATE.start_main_#t~mem8#1| (select (select |#memory_int| |ULTIMATE.start_main_~pb~0#1.base|) |ULTIMATE.start_main_~pb~0#1.offset|)) (<= (+ 4 |ULTIMATE.start_main_~pb~0#1.offset|) (select |#length| |ULTIMATE.start_main_~pb~0#1.base|)) (= (store |#valid| |ULTIMATE.start_main_~#c~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (<= 0 |ULTIMATE.start_main_~pb~0#1.offset|)) [2024-11-13 20:57:39,311 INFO L77 FloydHoareUtils]: At program point L21-5(line 21) the Hoare annotation is: (and (= (store |#valid| |ULTIMATE.start_main_~#c~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not |ULTIMATE.start_main_#t~short10#1|)) [2024-11-13 20:57:39,311 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK(lines 14 29) no Hoare annotation was computed. [2024-11-13 20:57:39,311 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 20:57:39,311 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 14 29) the Hoare annotation is: (= |ULTIMATE.start_main_old_#valid#1| |#valid|) [2024-11-13 20:57:39,311 INFO L75 FloydHoareUtils]: For program point L3(line 3) no Hoare annotation was computed. [2024-11-13 20:57:39,311 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-13 20:57:39,312 INFO L77 FloydHoareUtils]: At program point L20(lines 20 21) the Hoare annotation is: (and (= |ULTIMATE.start_main_~pa~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~pa~0#1.base|) 1) (= |ULTIMATE.start_main_~pa~0#1.offset| |ULTIMATE.start_main_~pb~0#1.offset|) (= (store |#valid| |ULTIMATE.start_main_~#c~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (= |ULTIMATE.start_main_~pb~0#1.base| |ULTIMATE.start_main_~pa~0#1.base|) (not |ULTIMATE.start_main_#t~short11#1|) (<= 4 (select |#length| |ULTIMATE.start_main_~pa~0#1.base|))) [2024-11-13 20:57:39,312 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-13 20:57:39,312 INFO L77 FloydHoareUtils]: At program point L20-2(lines 20 23) the Hoare annotation is: (and (= (store |#valid| |ULTIMATE.start_main_~#c~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not |ULTIMATE.start_main_#t~short11#1|)) [2024-11-13 20:57:39,312 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK(line 3) no Hoare annotation was computed. [2024-11-13 20:57:39,319 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-11-13 20:57:39,320 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 20:57:39,322 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression [2024-11-13 20:57:39,322 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-11-13 20:57:39,322 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~short11 [2024-11-13 20:57:39,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:57:39 ImpRootNode [2024-11-13 20:57:39,324 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:57:39,325 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:57:39,326 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:57:39,326 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:57:39,327 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:57:33" (3/4) ... [2024-11-13 20:57:39,329 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 20:57:39,338 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-13 20:57:39,338 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 20:57:39,339 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 20:57:39,339 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 20:57:39,433 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd30489-7f1f-4740-8373-ff7fec59122c/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 20:57:39,434 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd30489-7f1f-4740-8373-ff7fec59122c/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 20:57:39,434 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:57:39,435 INFO L158 Benchmark]: Toolchain (without parser) took 6881.73ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 41.0MB in the end (delta: 51.8MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2024-11-13 20:57:39,435 INFO L158 Benchmark]: CDTParser took 0.94ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:57:39,435 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.17ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 82.1MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:57:39,436 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.44ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 80.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:57:39,436 INFO L158 Benchmark]: Boogie Preprocessor took 32.22ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 80.0MB in the end (delta: 726.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:57:39,436 INFO L158 Benchmark]: RCFGBuilder took 436.45ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 66.3MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:57:39,436 INFO L158 Benchmark]: CodeCheck took 6007.62ms. Allocated memory is still 117.4MB. Free memory was 66.3MB in the beginning and 45.0MB in the end (delta: 21.2MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2024-11-13 20:57:39,437 INFO L158 Benchmark]: Witness Printer took 108.29ms. Allocated memory is still 117.4MB. Free memory was 45.0MB in the beginning and 41.0MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:57:39,439 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, 16 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 5.9s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 221 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 122 mSDsluCounter, 183 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 94 mSDsCounter, 125 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 399 IncrementalHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 125 mSolverCounterUnsat, 89 mSDtfsCounter, 399 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 375 GetRequests, 272 SyntacticMatches, 1 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4080 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 235 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 3]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 14]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.17ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 82.1MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.44ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 80.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.22ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 80.0MB in the end (delta: 726.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 436.45ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 66.3MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 6007.62ms. Allocated memory is still 117.4MB. Free memory was 66.3MB in the beginning and 45.0MB in the end (delta: 21.2MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * Witness Printer took 108.29ms. Allocated memory is still 117.4MB. Free memory was 45.0MB in the beginning and 41.0MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: main_old_#valid#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: main_old_#valid#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~short11 RESULT: Ultimate proved your program to be correct! [2024-11-13 20:57:39,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd30489-7f1f-4740-8373-ff7fec59122c/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: TRUE