./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/matrix-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed462a5f-d835-4f05-8a57-3f3b4abc7fd9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed462a5f-d835-4f05-8a57-3f3b4abc7fd9/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_ed462a5f-d835-4f05-8a57-3f3b4abc7fd9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed462a5f-d835-4f05-8a57-3f3b4abc7fd9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/matrix-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed462a5f-d835-4f05-8a57-3f3b4abc7fd9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed462a5f-d835-4f05-8a57-3f3b4abc7fd9/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 484b00968af178bafd1c632864ac68eeb543ca8851deb47f0795724cfa80a660 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:46:23,187 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:46:23,272 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed462a5f-d835-4f05-8a57-3f3b4abc7fd9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:46:23,279 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:46:23,279 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:46:23,308 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:46:23,309 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:46:23,310 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:46:23,310 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:46:23,310 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:46:23,311 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:46:23,311 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:46:23,311 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:46:23,311 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:46:23,311 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:46:23,312 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:46:23,312 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:46:23,312 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:46:23,312 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:46:23,312 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:46:23,313 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:46:23,313 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:46:23,313 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:46:23,313 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:46:23,313 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:46:23,313 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:46:23,314 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:46:23,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:46:23,314 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:46:23,314 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:46:23,314 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:46:23,314 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:46:23,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:46:23,314 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_ed462a5f-d835-4f05-8a57-3f3b4abc7fd9/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 ! call(reach_error())) ) 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 -> 484b00968af178bafd1c632864ac68eeb543ca8851deb47f0795724cfa80a660 [2024-11-13 22:46:23,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:46:23,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:46:23,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:46:23,753 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:46:23,753 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:46:23,757 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed462a5f-d835-4f05-8a57-3f3b4abc7fd9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/loops/matrix-1.c Unable to find full path for "g++" [2024-11-13 22:46:25,855 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:46:26,087 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:46:26,090 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed462a5f-d835-4f05-8a57-3f3b4abc7fd9/sv-benchmarks/c/loops/matrix-1.c [2024-11-13 22:46:26,098 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed462a5f-d835-4f05-8a57-3f3b4abc7fd9/bin/ukojak-verify-EEHR8qb7sm/data/7745b2440/0a9595e8fa894244aa2331b5a620c1e6/FLAGe314f81ef [2024-11-13 22:46:26,139 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed462a5f-d835-4f05-8a57-3f3b4abc7fd9/bin/ukojak-verify-EEHR8qb7sm/data/7745b2440/0a9595e8fa894244aa2331b5a620c1e6 [2024-11-13 22:46:26,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:46:26,150 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:46:26,151 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:46:26,151 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:46:26,158 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:46:26,160 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:46:26" (1/1) ... [2024-11-13 22:46:26,164 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38fe328c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:26, skipping insertion in model container [2024-11-13 22:46:26,164 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:46:26" (1/1) ... [2024-11-13 22:46:26,182 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:46:26,325 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed462a5f-d835-4f05-8a57-3f3b4abc7fd9/sv-benchmarks/c/loops/matrix-1.c[320,333] [2024-11-13 22:46:26,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:46:26,358 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:46:26,368 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed462a5f-d835-4f05-8a57-3f3b4abc7fd9/sv-benchmarks/c/loops/matrix-1.c[320,333] [2024-11-13 22:46:26,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:46:26,390 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:46:26,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:26 WrapperNode [2024-11-13 22:46:26,391 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:46:26,392 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:46:26,392 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:46:26,392 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:46:26,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:26" (1/1) ... [2024-11-13 22:46:26,405 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:26" (1/1) ... [2024-11-13 22:46:26,422 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58 [2024-11-13 22:46:26,422 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:46:26,422 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:46:26,422 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:46:26,423 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:46:26,430 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:26" (1/1) ... [2024-11-13 22:46:26,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:26" (1/1) ... [2024-11-13 22:46:26,432 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:26" (1/1) ... [2024-11-13 22:46:26,432 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:26" (1/1) ... [2024-11-13 22:46:26,436 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:26" (1/1) ... [2024-11-13 22:46:26,440 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:26" (1/1) ... [2024-11-13 22:46:26,441 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:26" (1/1) ... [2024-11-13 22:46:26,441 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:26" (1/1) ... [2024-11-13 22:46:26,443 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:46:26,444 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:46:26,444 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:46:26,444 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:46:26,445 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:26" (1/1) ... [2024-11-13 22:46:26,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:46:26,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed462a5f-d835-4f05-8a57-3f3b4abc7fd9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:46:26,485 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed462a5f-d835-4f05-8a57-3f3b4abc7fd9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:46:26,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed462a5f-d835-4f05-8a57-3f3b4abc7fd9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:46:26,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:46:26,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:46:26,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:46:26,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:46:26,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:46:26,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:46:26,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:46:26,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:46:26,599 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:46:26,600 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:46:26,725 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-13 22:46:26,725 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:46:26,784 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:46:26,785 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 22:46:26,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:46:26 BoogieIcfgContainer [2024-11-13 22:46:26,785 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:46:26,786 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:46:26,786 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:46:26,797 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:46:26,797 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:46:26" (1/1) ... [2024-11-13 22:46:26,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:46:26,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:46:26,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 22:46:26,859 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 22:46:26,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:46:26,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:46:26,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:46:26,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:46:27,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:46:27,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:46:27,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 22:46:27,240 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 22:46:27,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:46:27,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:46:27,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:46:27,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:46:27,480 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:46:27,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:46:27,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2024-11-13 22:46:27,656 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2024-11-13 22:46:27,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:46:27,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:46:27,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:46:27,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:46:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:46:27,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 22:46:27,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:46:27,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 22:46:28,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 25 [2024-11-13 22:46:28,103 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:46:28,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:46:28,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 15 states and 29 transitions. [2024-11-13 22:46:28,659 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 29 transitions. [2024-11-13 22:46:28,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:46:28,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:46:28,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:46:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:46:28,968 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:46:29,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:46:29,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 17 states and 33 transitions. [2024-11-13 22:46:29,394 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 33 transitions. [2024-11-13 22:46:29,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:46:29,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:46:29,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:46:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:46:29,692 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:46:29,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:46:29,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-11-13 22:46:29,971 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-11-13 22:46:29,971 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:46:29,972 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-13 22:46:29,985 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 22:46:30,210 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 22:46:30,210 INFO L77 FloydHoareUtils]: At program point L21-2(lines 21 28) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_main_~N_COL~0#1| 1))) (or (and (<= |ULTIMATE.start_main_~j~0#1| 4294967295) (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_main_~#matriz~0#1.base|) |ULTIMATE.start_main_~#matriz~0#1.offset|))) (or (< .cse0 |ULTIMATE.start_main_~maior~0#1|) (= |ULTIMATE.start_main_~maior~0#1| .cse0))) (<= 1 |ULTIMATE.start_main_~j~0#1|) .cse1) (and .cse1 (= |ULTIMATE.start_main_~N_LIN~0#1| 1) (= |ULTIMATE.start_main_~j~0#1| 0)))) [2024-11-13 22:46:30,211 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:46:30,211 INFO L75 FloydHoareUtils]: For program point L7(line 7) no Hoare annotation was computed. [2024-11-13 22:46:30,211 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed. [2024-11-13 22:46:30,211 INFO L77 FloydHoareUtils]: At program point L22-2(lines 22 28) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_main_~N_COL~0#1| 1)) (.cse2 (= |ULTIMATE.start_main_~j~0#1| 0))) (or (and (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_main_~#matriz~0#1.base|) |ULTIMATE.start_main_~#matriz~0#1.offset|))) (or (< .cse0 |ULTIMATE.start_main_~maior~0#1|) (= |ULTIMATE.start_main_~maior~0#1| .cse0))) .cse1 .cse2) (and (= |ULTIMATE.start_main_~k~0#1| 0) .cse1 (= |ULTIMATE.start_main_~N_LIN~0#1| 1) .cse2))) [2024-11-13 22:46:30,211 INFO L77 FloydHoareUtils]: At program point L6(lines 6 8) the Hoare annotation is: (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 1) [2024-11-13 22:46:30,212 INFO L77 FloydHoareUtils]: At program point L6-2(lines 5 10) the Hoare annotation is: true [2024-11-13 22:46:30,231 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 22:46:30,232 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 22:46:30,234 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#matriz~0!base,]]] [2024-11-13 22:46:30,234 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 22:46:30,234 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 22:46:30,234 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#matriz~0!base,]]] [2024-11-13 22:46:30,236 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 22:46:30,236 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 22:46:30,236 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#matriz~0!base,]]] [2024-11-13 22:46:30,237 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 22:46:30,237 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 22:46:30,237 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#matriz~0!base,]]] [2024-11-13 22:46:30,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:46:30 ImpRootNode [2024-11-13 22:46:30,242 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:46:30,243 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:46:30,243 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:46:30,243 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:46:30,244 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:46:26" (3/4) ... [2024-11-13 22:46:30,246 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:46:30,258 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-13 22:46:30,258 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 22:46:30,259 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 22:46:30,259 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 22:46:30,347 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed462a5f-d835-4f05-8a57-3f3b4abc7fd9/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:46:30,348 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed462a5f-d835-4f05-8a57-3f3b4abc7fd9/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 22:46:30,348 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:46:30,350 INFO L158 Benchmark]: Toolchain (without parser) took 4200.00ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 119.6MB in the beginning and 335.1MB in the end (delta: -215.5MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. [2024-11-13 22:46:30,351 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:46:30,351 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.09ms. Allocated memory is still 142.6MB. Free memory was 119.6MB in the beginning and 108.5MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:46:30,352 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.22ms. Allocated memory is still 142.6MB. Free memory was 108.5MB in the beginning and 107.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:46:30,353 INFO L158 Benchmark]: Boogie Preprocessor took 20.58ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 106.5MB in the end (delta: 667.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:46:30,353 INFO L158 Benchmark]: RCFGBuilder took 341.91ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 92.3MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:46:30,356 INFO L158 Benchmark]: CodeCheck took 3456.30ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 92.3MB in the beginning and 339.0MB in the end (delta: -246.7MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2024-11-13 22:46:30,356 INFO L158 Benchmark]: Witness Printer took 105.61ms. Allocated memory is still 427.8MB. Free memory was 339.0MB in the beginning and 335.1MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:46:30,358 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, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 63 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 76 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 238 IncrementalHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 76 mSolverCounterUnsat, 15 mSDtfsCounter, 238 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 359 GetRequests, 313 SyntacticMatches, 6 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 495 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 147 SizeOfPredicates, 5 NumberOfNonLiveVariables, 63 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 14/18 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: 7]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: ((((j <= 4294967295) && (1 <= j)) && (N_COL == 1)) || (((N_COL == 1) && (N_LIN == 1)) && (j == 0))) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (((N_COL == 1) && (j == 0)) || ((((k == 0) && (N_COL == 1)) && (N_LIN == 1)) && (j == 0))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.09ms. Allocated memory is still 142.6MB. Free memory was 119.6MB in the beginning and 108.5MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.22ms. Allocated memory is still 142.6MB. Free memory was 108.5MB in the beginning and 107.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.58ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 106.5MB in the end (delta: 667.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 341.91ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 92.3MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 3456.30ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 92.3MB in the beginning and 339.0MB in the end (delta: -246.7MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. * Witness Printer took 105.61ms. Allocated memory is still 427.8MB. Free memory was 339.0MB in the beginning and 335.1MB in the end (delta: 3.9MB). 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: #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[~#matriz~0!base,]]] - 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[~#matriz~0!base,]]] - 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[~#matriz~0!base,]]] - 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[~#matriz~0!base,]]] RESULT: Ultimate proved your program to be correct! [2024-11-13 22:46:30,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed462a5f-d835-4f05-8a57-3f3b4abc7fd9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE