./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig3-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a87253-d33b-407d-ab97-d25f77f5b162/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a87253-d33b-407d-ab97-d25f77f5b162/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a87253-d33b-407d-ab97-d25f77f5b162/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a87253-d33b-407d-ab97-d25f77f5b162/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig3-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a87253-d33b-407d-ab97-d25f77f5b162/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a87253-d33b-407d-ab97-d25f77f5b162/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ec52b50984ce4a37adbf31241337a0752ee4ecf2eb9496b3e3fee60fba9a59cc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:03:11,017 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:03:11,071 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a87253-d33b-407d-ab97-d25f77f5b162/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 00:03:11,075 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:03:11,076 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:03:11,094 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:03:11,095 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:03:11,095 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:03:11,095 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:03:11,095 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:03:11,095 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:03:11,096 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:03:11,096 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:03:11,096 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:03:11,096 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:03:11,096 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:03:11,096 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:03:11,096 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:03:11,096 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:03:11,096 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:03:11,096 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:03:11,097 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:03:11,097 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:03:11,097 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:03:11,097 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:03:11,097 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:03:11,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:03:11,097 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:03:11,097 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:03:11,097 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:03:11,097 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:03:11,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:03:11,098 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_12a87253-d33b-407d-ab97-d25f77f5b162/bin/ukojak-verify-CZk0znPC7b 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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec52b50984ce4a37adbf31241337a0752ee4ecf2eb9496b3e3fee60fba9a59cc [2024-12-06 00:03:11,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:03:11,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:03:11,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:03:11,315 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:03:11,316 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:03:11,317 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a87253-d33b-407d-ab97-d25f77f5b162/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig3-alloca.i [2024-12-06 00:03:13,895 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a87253-d33b-407d-ab97-d25f77f5b162/bin/ukojak-verify-CZk0znPC7b/data/9dba81632/30646fce4ad946c38fbbcf6e2eee961c/FLAGe0fcb83c2 [2024-12-06 00:03:14,144 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:03:14,145 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a87253-d33b-407d-ab97-d25f77f5b162/sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig3-alloca.i [2024-12-06 00:03:14,153 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a87253-d33b-407d-ab97-d25f77f5b162/bin/ukojak-verify-CZk0znPC7b/data/9dba81632/30646fce4ad946c38fbbcf6e2eee961c/FLAGe0fcb83c2 [2024-12-06 00:03:14,472 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a87253-d33b-407d-ab97-d25f77f5b162/bin/ukojak-verify-CZk0znPC7b/data/9dba81632/30646fce4ad946c38fbbcf6e2eee961c [2024-12-06 00:03:14,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:03:14,475 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:03:14,476 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:03:14,476 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:03:14,480 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:03:14,481 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:03:14" (1/1) ... [2024-12-06 00:03:14,482 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dc6bb11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:03:14, skipping insertion in model container [2024-12-06 00:03:14,482 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:03:14" (1/1) ... [2024-12-06 00:03:14,507 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:03:14,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:03:14,699 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:03:14,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:03:14,746 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:03:14,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:03:14 WrapperNode [2024-12-06 00:03:14,746 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:03:14,747 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:03:14,747 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:03:14,747 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:03:14,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:03:14" (1/1) ... [2024-12-06 00:03:14,759 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:03:14" (1/1) ... [2024-12-06 00:03:14,773 INFO L138 Inliner]: procedures = 111, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2024-12-06 00:03:14,773 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:03:14,773 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:03:14,773 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:03:14,774 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:03:14,778 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:03:14" (1/1) ... [2024-12-06 00:03:14,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:03:14" (1/1) ... [2024-12-06 00:03:14,781 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:03:14" (1/1) ... [2024-12-06 00:03:14,781 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:03:14" (1/1) ... [2024-12-06 00:03:14,784 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:03:14" (1/1) ... [2024-12-06 00:03:14,785 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:03:14" (1/1) ... [2024-12-06 00:03:14,788 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:03:14" (1/1) ... [2024-12-06 00:03:14,788 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:03:14" (1/1) ... [2024-12-06 00:03:14,789 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:03:14" (1/1) ... [2024-12-06 00:03:14,791 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:03:14,791 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:03:14,792 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:03:14,792 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:03:14,792 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:03:14" (1/1) ... [2024-12-06 00:03:14,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:03:14,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a87253-d33b-407d-ab97-d25f77f5b162/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:03:14,814 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a87253-d33b-407d-ab97-d25f77f5b162/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:03:14,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a87253-d33b-407d-ab97-d25f77f5b162/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:03:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 00:03:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 00:03:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 00:03:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 00:03:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2024-12-06 00:03:14,837 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2024-12-06 00:03:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:03:14,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:03:14,914 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:03:14,916 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:03:14,992 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-06 00:03:14,992 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:03:15,011 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:03:15,011 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:03:15,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:03:15 BoogieIcfgContainer [2024-12-06 00:03:15,011 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:03:15,012 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:03:15,012 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:03:15,021 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:03:15,021 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:03:15" (1/1) ... [2024-12-06 00:03:15,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:03:15,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:03:15,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-12-06 00:03:15,075 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-12-06 00:03:15,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:03:15,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:03:15,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:03:15,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:03:15,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:03:15,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:03:15,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 21 transitions. [2024-12-06 00:03:15,482 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-12-06 00:03:15,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:03:15,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:03:15,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:03:15,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:03:15,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:03:15,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:03:15,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 17 transitions. [2024-12-06 00:03:15,629 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-12-06 00:03:15,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:03:15,629 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:03:15,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:03:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:03:15,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:03:15,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:03:15,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 30 transitions. [2024-12-06 00:03:15,935 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-12-06 00:03:15,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:03:15,936 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:03:15,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:03:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:03:15,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:03:16,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:03:16,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 31 transitions. [2024-12-06 00:03:16,010 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-12-06 00:03:16,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 00:03:16,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:03:16,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:03:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:03:16,102 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:03:16,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:03:16,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 30 transitions. [2024-12-06 00:03:16,158 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2024-12-06 00:03:16,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 00:03:16,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:03:16,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:03:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:03:16,244 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:03:16,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:03:16,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 16 transitions. [2024-12-06 00:03:16,270 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-06 00:03:16,271 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 00:03:16,271 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-12-06 00:03:16,279 INFO L726 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-12-06 00:03:16,318 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 548 550) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| ~x~0.base) ~x~0.offset))) (and (<= .cse0 2147483647) (<= 1 .cse0))) [2024-12-06 00:03:16,318 INFO L75 FloydHoareUtils]: For program point fooErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 549) no Hoare annotation was computed. [2024-12-06 00:03:16,318 INFO L77 FloydHoareUtils]: At program point fooEXIT(lines 548 550) the Hoare annotation is: (<= (select (select |#memory_int| ~x~0.base) ~x~0.offset) 2147483647) [2024-12-06 00:03:16,318 INFO L77 FloydHoareUtils]: At program point L549(line 549) the Hoare annotation is: (and (<= |foo_#t~post3| 2147483647) (<= 1 |foo_#t~post3|)) [2024-12-06 00:03:16,318 INFO L75 FloydHoareUtils]: For program point fooErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 549) no Hoare annotation was computed. [2024-12-06 00:03:16,319 INFO L77 FloydHoareUtils]: At program point L549-1(line 549) the Hoare annotation is: (<= |foo_#t~post3| 2147483647) [2024-12-06 00:03:16,319 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 00:03:16,319 INFO L77 FloydHoareUtils]: At program point L558(line 558) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| ~x~0.base) ~x~0.offset))) (and (<= .cse0 2147483647) (<= 1 .cse0))) [2024-12-06 00:03:16,319 INFO L77 FloydHoareUtils]: At program point L558-1(line 558) the Hoare annotation is: (<= (select (select |#memory_int| ~x~0.base) ~x~0.offset) 2147483647) [2024-12-06 00:03:16,319 INFO L77 FloydHoareUtils]: At program point L556(line 556) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| ~x~0.base) ~x~0.offset))) (and (<= .cse0 2147483647) (<= 1 .cse0))) [2024-12-06 00:03:16,319 INFO L77 FloydHoareUtils]: At program point L556-1(line 556) the Hoare annotation is: (<= (select (select |#memory_int| ~x~0.base) ~x~0.offset) 2147483647) [2024-12-06 00:03:16,319 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 00:03:16,320 INFO L77 FloydHoareUtils]: At program point L554-1(lines 554 560) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| ~x~0.base) ~x~0.offset))) (and (<= .cse0 2147483647) (<= |ULTIMATE.start_main_#t~mem6#1| .cse0))) [2024-12-06 00:03:16,320 INFO L77 FloydHoareUtils]: At program point L554-4(lines 554 560) the Hoare annotation is: true [2024-12-06 00:03:16,320 INFO L77 FloydHoareUtils]: At program point L555(lines 555 559) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| ~x~0.base) ~x~0.offset))) (and (<= .cse0 2147483647) (<= 1 .cse0))) [2024-12-06 00:03:16,320 INFO L77 FloydHoareUtils]: At program point L555-2(lines 554 560) the Hoare annotation is: (<= (select (select |#memory_int| ~x~0.base) ~x~0.offset) 2147483647) [2024-12-06 00:03:16,327 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-06 00:03:16,327 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-06 00:03:16,328 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~x~0!base,GLOBAL]]] [2024-12-06 00:03:16,341 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-06 00:03:16,341 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-06 00:03:16,341 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~x~0!base,GLOBAL]]] [2024-12-06 00:03:16,341 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-06 00:03:16,342 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-06 00:03:16,342 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~x~0!base,GLOBAL]]] [2024-12-06 00:03:16,342 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-06 00:03:16,342 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-06 00:03:16,342 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~x~0!base,GLOBAL]]] [2024-12-06 00:03:16,344 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-12-06 00:03:16,344 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-12-06 00:03:16,344 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-12-06 00:03:16,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:03:16 ImpRootNode [2024-12-06 00:03:16,345 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:03:16,346 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:03:16,346 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:03:16,346 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:03:16,347 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:03:15" (3/4) ... [2024-12-06 00:03:16,349 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 00:03:16,351 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure foo [2024-12-06 00:03:16,354 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-12-06 00:03:16,355 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-06 00:03:16,355 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 00:03:16,422 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a87253-d33b-407d-ab97-d25f77f5b162/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 00:03:16,422 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a87253-d33b-407d-ab97-d25f77f5b162/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 00:03:16,422 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:03:16,423 INFO L158 Benchmark]: Toolchain (without parser) took 1948.05ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 89.3MB in the end (delta: 28.6MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2024-12-06 00:03:16,423 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory was 80.8MB in the beginning and 80.7MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:03:16,424 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.61ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 101.8MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:03:16,424 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.73ms. Allocated memory is still 142.6MB. Free memory was 101.8MB in the beginning and 100.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:03:16,424 INFO L158 Benchmark]: Boogie Preprocessor took 17.34ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 99.5MB in the end (delta: 887.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:03:16,424 INFO L158 Benchmark]: RCFGBuilder took 219.91ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 88.6MB in the end (delta: 10.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:03:16,425 INFO L158 Benchmark]: CodeCheck took 1333.62ms. Allocated memory is still 142.6MB. Free memory was 88.5MB in the beginning and 94.2MB in the end (delta: -5.7MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2024-12-06 00:03:16,425 INFO L158 Benchmark]: Witness Printer took 76.41ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 89.3MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:03:16,427 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 2 procedures, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 175 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 110 mSDsluCounter, 180 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 86 mSDsCounter, 64 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 290 IncrementalHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 64 mSolverCounterUnsat, 94 mSDtfsCounter, 290 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 554 GetRequests, 511 SyntacticMatches, 25 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 270 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 13/13 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, ConComCheckerStatistics: No data available - PositiveResult [Line: 549]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 549]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - ProcedureContractResult [Line: 548]: Procedure Contract for foo Derived contract for procedure foo. Ensures: (x == \old(x)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory was 80.8MB in the beginning and 80.7MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.61ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 101.8MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.73ms. Allocated memory is still 142.6MB. Free memory was 101.8MB in the beginning and 100.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.34ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 99.5MB in the end (delta: 887.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 219.91ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 88.6MB in the end (delta: 10.9MB). There was no memory consumed. Max. memory is 16.1GB. * CodeCheck took 1333.62ms. Allocated memory is still 142.6MB. Free memory was 88.5MB in the beginning and 94.2MB in the end (delta: -5.7MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * Witness Printer took 76.41ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 89.3MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~x~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~x~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~x~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~x~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID RESULT: Ultimate proved your program to be correct! [2024-12-06 00:03:16,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12a87253-d33b-407d-ab97-d25f77f5b162/bin/ukojak-verify-CZk0znPC7b/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