./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee2973a-d563-4489-a5e9-f8be4730ec2d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee2973a-d563-4489-a5e9-f8be4730ec2d/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_6ee2973a-d563-4489-a5e9-f8be4730ec2d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee2973a-d563-4489-a5e9-f8be4730ec2d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/matrix-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee2973a-d563-4489-a5e9-f8be4730ec2d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee2973a-d563-4489-a5e9-f8be4730ec2d/bin/ukojak-verify-CZk0znPC7b --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-d790fec [2024-12-06 02:53:40,653 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:53:40,719 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee2973a-d563-4489-a5e9-f8be4730ec2d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 02:53:40,724 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:53:40,725 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:53:40,747 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:53:40,748 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:53:40,748 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:53:40,749 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:53:40,749 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:53:40,749 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:53:40,749 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:53:40,749 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:53:40,750 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:53:40,750 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:53:40,750 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:53:40,750 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:53:40,750 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:53:40,750 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:53:40,750 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:53:40,751 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:53:40,751 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:53:40,751 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:53:40,751 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:53:40,751 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:53:40,751 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:53:40,751 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:53:40,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:53:40,752 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:53:40,752 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:53:40,752 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:53:40,752 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:53:40,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:53:40,752 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_6ee2973a-d563-4489-a5e9-f8be4730ec2d/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 ! 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 [2024-12-06 02:53:41,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:53:41,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:53:41,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:53:41,023 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:53:41,023 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:53:41,025 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee2973a-d563-4489-a5e9-f8be4730ec2d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/loops/matrix-1.c [2024-12-06 02:53:44,597 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee2973a-d563-4489-a5e9-f8be4730ec2d/bin/ukojak-verify-CZk0znPC7b/data/1772bc88b/0e80253340bc4279b73c1c51177218f5/FLAG5413b01bf [2024-12-06 02:53:44,820 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:53:44,822 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee2973a-d563-4489-a5e9-f8be4730ec2d/sv-benchmarks/c/loops/matrix-1.c [2024-12-06 02:53:44,831 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee2973a-d563-4489-a5e9-f8be4730ec2d/bin/ukojak-verify-CZk0znPC7b/data/1772bc88b/0e80253340bc4279b73c1c51177218f5/FLAG5413b01bf [2024-12-06 02:53:44,849 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee2973a-d563-4489-a5e9-f8be4730ec2d/bin/ukojak-verify-CZk0znPC7b/data/1772bc88b/0e80253340bc4279b73c1c51177218f5 [2024-12-06 02:53:44,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:53:44,855 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:53:44,856 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:53:44,856 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:53:44,862 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:53:44,863 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:53:44" (1/1) ... [2024-12-06 02:53:44,864 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77b2a0c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:53:44, skipping insertion in model container [2024-12-06 02:53:44,864 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:53:44" (1/1) ... [2024-12-06 02:53:44,881 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:53:45,026 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_6ee2973a-d563-4489-a5e9-f8be4730ec2d/sv-benchmarks/c/loops/matrix-1.c[320,333] [2024-12-06 02:53:45,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:53:45,053 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:53:45,063 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_6ee2973a-d563-4489-a5e9-f8be4730ec2d/sv-benchmarks/c/loops/matrix-1.c[320,333] [2024-12-06 02:53:45,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:53:45,089 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:53:45,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:53:45 WrapperNode [2024-12-06 02:53:45,089 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:53:45,090 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:53:45,091 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:53:45,091 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:53:45,097 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:53:45" (1/1) ... [2024-12-06 02:53:45,105 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:53:45" (1/1) ... [2024-12-06 02:53:45,126 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58 [2024-12-06 02:53:45,126 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:53:45,127 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:53:45,127 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:53:45,127 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:53:45,134 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:53:45" (1/1) ... [2024-12-06 02:53:45,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:53:45" (1/1) ... [2024-12-06 02:53:45,137 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:53:45" (1/1) ... [2024-12-06 02:53:45,137 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:53:45" (1/1) ... [2024-12-06 02:53:45,143 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:53:45" (1/1) ... [2024-12-06 02:53:45,144 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:53:45" (1/1) ... [2024-12-06 02:53:45,148 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:53:45" (1/1) ... [2024-12-06 02:53:45,150 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:53:45" (1/1) ... [2024-12-06 02:53:45,151 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:53:45" (1/1) ... [2024-12-06 02:53:45,153 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:53:45,154 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:53:45,154 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:53:45,154 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:53:45,156 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:53:45" (1/1) ... [2024-12-06 02:53:45,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:53:45,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee2973a-d563-4489-a5e9-f8be4730ec2d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:53:45,187 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee2973a-d563-4489-a5e9-f8be4730ec2d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:53:45,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee2973a-d563-4489-a5e9-f8be4730ec2d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:53:45,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:53:45,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:53:45,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 02:53:45,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 02:53:45,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:53:45,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:53:45,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 02:53:45,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 02:53:45,280 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:53:45,281 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:53:45,430 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-12-06 02:53:45,430 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:53:45,505 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:53:45,505 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 02:53:45,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:53:45 BoogieIcfgContainer [2024-12-06 02:53:45,506 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:53:45,507 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:53:45,507 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:53:45,518 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:53:45,518 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:53:45" (1/1) ... [2024-12-06 02:53:45,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:53:45,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:53:45,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 02:53:45,591 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 02:53:45,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:53:45,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:53:45,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:53:45,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:53:45,898 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 02:53:45,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:53:45,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-06 02:53:45,946 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-06 02:53:45,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 02:53:45,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:53:45,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:53:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:53:46,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:53:46,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:53:46,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 11 states and 16 transitions. [2024-12-06 02:53:46,344 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 16 transitions. [2024-12-06 02:53:46,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:53:46,346 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:53:46,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:53:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:53:46,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:53:46,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 02:53:46,429 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:53:46,605 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 [2024-12-06 02:53:46,670 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 [2024-12-06 02:53:46,702 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:53:47,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:53:47,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 15 states and 30 transitions. [2024-12-06 02:53:47,320 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 30 transitions. [2024-12-06 02:53:47,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 02:53:47,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:53:47,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:53:47,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:53:47,555 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:53:48,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:53:48,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 17 states and 35 transitions. [2024-12-06 02:53:48,021 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 35 transitions. [2024-12-06 02:53:48,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 02:53:48,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:53:48,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:53:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:53:48,228 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:53:48,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:53:48,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-12-06 02:53:48,513 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-12-06 02:53:48,513 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 02:53:48,514 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-12-06 02:53:48,523 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 02:53:48,763 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 02:53:48,764 INFO L77 FloydHoareUtils]: At program point L21-3(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)))) [2024-12-06 02:53:48,764 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 02:53:48,765 INFO L75 FloydHoareUtils]: For program point L7(line 7) no Hoare annotation was computed. [2024-12-06 02:53:48,765 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed. [2024-12-06 02:53:48,765 INFO L77 FloydHoareUtils]: At program point L22-3(lines 22 28) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_main_~k~0#1| 0)) (.cse2 (= |ULTIMATE.start_main_~N_COL~0#1| 1)) (.cse3 (= |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))) (not (and (<= (div |ULTIMATE.start_main_~N_LIN~0#1| 4294967296) 0) (<= 1 |ULTIMATE.start_main_~N_LIN~0#1|) .cse1)) .cse2 .cse3) (and .cse1 .cse2 (= |ULTIMATE.start_main_~N_LIN~0#1| 1) .cse3))) [2024-12-06 02:53:48,766 INFO L77 FloydHoareUtils]: At program point L6(lines 6 8) the Hoare annotation is: (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 1) [2024-12-06 02:53:48,766 INFO L77 FloydHoareUtils]: At program point L6-2(lines 5 10) the Hoare annotation is: true [2024-12-06 02:53:48,778 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-06 02:53:48,779 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-06 02:53:48,779 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#matriz~0!base,]]] [2024-12-06 02:53:48,779 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-06 02:53:48,779 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-06 02:53:48,779 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#matriz~0!base,]]] [2024-12-06 02:53:48,784 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-06 02:53:48,784 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-06 02:53:48,784 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#matriz~0!base,]]] [2024-12-06 02:53:48,784 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-06 02:53:48,785 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-06 02:53:48,785 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#matriz~0!base,]]] [2024-12-06 02:53:48,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:53:48 ImpRootNode [2024-12-06 02:53:48,788 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:53:48,789 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:53:48,789 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:53:48,789 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:53:48,790 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:53:45" (3/4) ... [2024-12-06 02:53:48,793 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 02:53:48,801 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-12-06 02:53:48,802 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-06 02:53:48,802 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 02:53:48,802 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 02:53:48,901 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee2973a-d563-4489-a5e9-f8be4730ec2d/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 02:53:48,902 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee2973a-d563-4489-a5e9-f8be4730ec2d/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 02:53:48,902 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:53:48,903 INFO L158 Benchmark]: Toolchain (without parser) took 4048.56ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 92.6MB in the beginning and 112.3MB in the end (delta: -19.7MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2024-12-06 02:53:48,903 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:53:48,904 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.75ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 81.6MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:53:48,904 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.91ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:53:48,905 INFO L158 Benchmark]: Boogie Preprocessor took 26.18ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.4MB in the end (delta: 868.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:53:48,905 INFO L158 Benchmark]: RCFGBuilder took 351.97ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 64.8MB in the end (delta: 14.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:53:48,905 INFO L158 Benchmark]: CodeCheck took 3281.48ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 64.8MB in the beginning and 116.8MB in the end (delta: -51.9MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2024-12-06 02:53:48,906 INFO L158 Benchmark]: Witness Printer took 112.87ms. Allocated memory is still 184.5MB. Free memory was 116.8MB in the beginning and 112.3MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:53:48,908 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: 3.0s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 66 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 74 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 247 IncrementalHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 74 mSolverCounterUnsat, 15 mSDtfsCounter, 247 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 369 GetRequests, 321 SyntacticMatches, 6 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 535 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 149 SizeOfPredicates, 5 NumberOfNonLiveVariables, 63 ConjunctsInSsa, 14 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, ConComCheckerStatistics: 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: (((!(((0 <= 0) && (1 <= N_LIN)) && (k == 0)) && (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 0.42ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 233.75ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 81.6MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.91ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.18ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.4MB in the end (delta: 868.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 351.97ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 64.8MB in the end (delta: 14.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 3281.48ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 64.8MB in the beginning and 116.8MB in the end (delta: -51.9MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Witness Printer took 112.87ms. Allocated memory is still 184.5MB. Free memory was 116.8MB in the beginning and 112.3MB in the end (delta: 4.5MB). 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[~#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! [2024-12-06 02:53:48,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee2973a-d563-4489-a5e9-f8be4730ec2d/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