./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-examples/sanfoundry_24-1.i --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_e93e1c10-273c-408b-a217-56a0f6fc8a93/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e93e1c10-273c-408b-a217-56a0f6fc8a93/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_e93e1c10-273c-408b-a217-56a0f6fc8a93/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e93e1c10-273c-408b-a217-56a0f6fc8a93/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/array-examples/sanfoundry_24-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e93e1c10-273c-408b-a217-56a0f6fc8a93/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_e93e1c10-273c-408b-a217-56a0f6fc8a93/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 e0a16588b251f5de7b3febde43795c7086835cc989637b8bd82aa8d6af355c6b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:13:22,480 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:13:22,537 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e93e1c10-273c-408b-a217-56a0f6fc8a93/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 22:13:22,541 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:13:22,542 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:13:22,562 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:13:22,563 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:13:22,563 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:13:22,563 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:13:22,563 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:13:22,564 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:13:22,564 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:13:22,564 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:13:22,564 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:13:22,564 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:13:22,564 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:13:22,564 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:13:22,564 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:13:22,564 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:13:22,564 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:13:22,564 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:13:22,565 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:13:22,565 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:13:22,565 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:13:22,565 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:13:22,565 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:13:22,565 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:13:22,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:13:22,565 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:13:22,565 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:13:22,565 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:13:22,565 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:13:22,566 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:13:22,566 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_e93e1c10-273c-408b-a217-56a0f6fc8a93/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 -> e0a16588b251f5de7b3febde43795c7086835cc989637b8bd82aa8d6af355c6b [2024-12-05 22:13:22,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:13:22,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:13:22,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:13:22,803 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:13:22,804 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:13:22,805 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e93e1c10-273c-408b-a217-56a0f6fc8a93/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/array-examples/sanfoundry_24-1.i [2024-12-05 22:13:25,383 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e93e1c10-273c-408b-a217-56a0f6fc8a93/bin/ukojak-verify-CZk0znPC7b/data/f0549ccb5/f831ab61bb2741668b8a866774100021/FLAGbcb8907f4 [2024-12-05 22:13:25,584 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:13:25,584 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e93e1c10-273c-408b-a217-56a0f6fc8a93/sv-benchmarks/c/array-examples/sanfoundry_24-1.i [2024-12-05 22:13:25,591 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e93e1c10-273c-408b-a217-56a0f6fc8a93/bin/ukojak-verify-CZk0znPC7b/data/f0549ccb5/f831ab61bb2741668b8a866774100021/FLAGbcb8907f4 [2024-12-05 22:13:25,961 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e93e1c10-273c-408b-a217-56a0f6fc8a93/bin/ukojak-verify-CZk0znPC7b/data/f0549ccb5/f831ab61bb2741668b8a866774100021 [2024-12-05 22:13:25,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:13:25,963 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:13:25,964 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:13:25,964 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:13:25,967 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:13:25,968 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:13:25" (1/1) ... [2024-12-05 22:13:25,968 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48358a4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:13:25, skipping insertion in model container [2024-12-05 22:13:25,968 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:13:25" (1/1) ... [2024-12-05 22:13:25,977 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:13:26,074 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_e93e1c10-273c-408b-a217-56a0f6fc8a93/sv-benchmarks/c/array-examples/sanfoundry_24-1.i[848,861] [2024-12-05 22:13:26,090 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:13:26,097 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:13:26,107 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_e93e1c10-273c-408b-a217-56a0f6fc8a93/sv-benchmarks/c/array-examples/sanfoundry_24-1.i[848,861] [2024-12-05 22:13:26,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:13:26,130 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:13:26,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:13:26 WrapperNode [2024-12-05 22:13:26,130 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:13:26,131 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:13:26,131 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:13:26,131 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:13:26,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:13:26" (1/1) ... [2024-12-05 22:13:26,140 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:13:26" (1/1) ... [2024-12-05 22:13:26,153 INFO L138 Inliner]: procedures = 18, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2024-12-05 22:13:26,153 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:13:26,154 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:13:26,154 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:13:26,154 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:13:26,159 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:13:26" (1/1) ... [2024-12-05 22:13:26,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:13:26" (1/1) ... [2024-12-05 22:13:26,161 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:13:26" (1/1) ... [2024-12-05 22:13:26,161 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:13:26" (1/1) ... [2024-12-05 22:13:26,165 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:13:26" (1/1) ... [2024-12-05 22:13:26,166 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:13:26" (1/1) ... [2024-12-05 22:13:26,169 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:13:26" (1/1) ... [2024-12-05 22:13:26,170 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:13:26" (1/1) ... [2024-12-05 22:13:26,170 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:13:26" (1/1) ... [2024-12-05 22:13:26,172 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:13:26,173 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:13:26,173 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:13:26,173 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:13:26,174 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:13:26" (1/1) ... [2024-12-05 22:13:26,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:13:26,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e93e1c10-273c-408b-a217-56a0f6fc8a93/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:13:26,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e93e1c10-273c-408b-a217-56a0f6fc8a93/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:13:26,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e93e1c10-273c-408b-a217-56a0f6fc8a93/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:13:26,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:13:26,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:13:26,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 22:13:26,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 22:13:26,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:13:26,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:13:26,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 22:13:26,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 22:13:26,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 22:13:26,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 22:13:26,271 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:13:26,272 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:13:26,390 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-12-05 22:13:26,390 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:13:26,416 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:13:26,416 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-05 22:13:26,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:13:26 BoogieIcfgContainer [2024-12-05 22:13:26,417 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:13:26,417 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:13:26,417 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:13:26,424 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:13:26,424 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:13:26" (1/1) ... [2024-12-05 22:13:26,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:13:26,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:13:26,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2024-12-05 22:13:26,480 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2024-12-05 22:13:26,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:13:26,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:13:26,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:13:26,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:13:26,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:13:26,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:13:26,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2024-12-05 22:13:26,756 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2024-12-05 22:13:26,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 22:13:26,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:13:26,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:13:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:13:27,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:13:27,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:13:27,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 32 transitions. [2024-12-05 22:13:27,197 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-12-05 22:13:27,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 22:13:27,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:13:27,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:13:27,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:13:27,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:13:27,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:13:27,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 35 transitions. [2024-12-05 22:13:27,293 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2024-12-05 22:13:27,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:13:27,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:13:27,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:13:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:13:27,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:13:27,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:13:27,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 36 transitions. [2024-12-05 22:13:27,498 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2024-12-05 22:13:27,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:13:27,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:13:27,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:13:27,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:13:27,719 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 22:13:27,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:13:27,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 21 states and 32 transitions. [2024-12-05 22:13:27,802 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 32 transitions. [2024-12-05 22:13:27,802 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 22:13:27,803 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-12-05 22:13:27,810 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-05 22:13:27,865 INFO L77 FloydHoareUtils]: At program point L27-3(lines 27 30) the Hoare annotation is: (not (and (not (= |ULTIMATE.start_main_~i~0#1| 0)) (<= |ULTIMATE.start_main_~num~0#1| 0))) [2024-12-05 22:13:27,866 INFO L77 FloydHoareUtils]: At program point L19(line 19) the Hoare annotation is: (not (= (mod |ULTIMATE.start_printOdd_~i#1| 2) 0)) [2024-12-05 22:13:27,866 INFO L77 FloydHoareUtils]: At program point L19-1(lines 18 20) the Hoare annotation is: true [2024-12-05 22:13:27,866 INFO L77 FloydHoareUtils]: At program point L32-3(lines 32 38) the Hoare annotation is: true [2024-12-05 22:13:27,866 INFO L77 FloydHoareUtils]: At program point L16(line 16) the Hoare annotation is: (< (mod |ULTIMATE.start_printEven_~i#1| 2) 1) [2024-12-05 22:13:27,866 INFO L77 FloydHoareUtils]: At program point L16-1(lines 15 17) the Hoare annotation is: true [2024-12-05 22:13:27,866 INFO L77 FloydHoareUtils]: At program point L41(lines 41 44) the Hoare annotation is: (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#array~0#1.base|) (+ |ULTIMATE.start_main_~#array~0#1.offset| (* |ULTIMATE.start_main_~i~0#1| 4)))) [2024-12-05 22:13:27,866 INFO L77 FloydHoareUtils]: At program point L41-2(lines 41 44) the Hoare annotation is: true [2024-12-05 22:13:27,866 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 22:13:27,866 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 22:13:27,866 INFO L77 FloydHoareUtils]: At program point L34(lines 34 37) the Hoare annotation is: (or (not (= (mod |ULTIMATE.start_main_#t~mem4#1| 2) 0)) (= |ULTIMATE.start_main_#t~mem4#1| (select (select |#memory_int| |ULTIMATE.start_main_~#array~0#1.base|) (+ |ULTIMATE.start_main_~#array~0#1.offset| (* |ULTIMATE.start_main_~i~0#1| 4))))) [2024-12-05 22:13:27,866 INFO L77 FloydHoareUtils]: At program point L34-2(lines 34 37) the Hoare annotation is: true [2024-12-05 22:13:27,866 INFO L77 FloydHoareUtils]: At program point L39-3(lines 39 45) the Hoare annotation is: true [2024-12-05 22:13:27,867 INFO L77 FloydHoareUtils]: At program point L14(line 14) the Hoare annotation is: (not (= __VERIFIER_assert_~cond 0)) [2024-12-05 22:13:27,867 INFO L75 FloydHoareUtils]: For program point L14-1(line 14) no Hoare annotation was computed. [2024-12-05 22:13:27,867 INFO L77 FloydHoareUtils]: At program point L14-3(line 14) the Hoare annotation is: true [2024-12-05 22:13:27,867 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(line 14) the Hoare annotation is: true [2024-12-05 22:13:27,867 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line 14) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-05 22:13:27,867 INFO L75 FloydHoareUtils]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2024-12-05 22:13:27,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:13:27 ImpRootNode [2024-12-05 22:13:27,883 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:13:27,884 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:13:27,884 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:13:27,884 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:13:27,885 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:13:26" (3/4) ... [2024-12-05 22:13:27,887 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 22:13:27,890 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-12-05 22:13:27,893 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-12-05 22:13:27,893 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-05 22:13:27,893 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-05 22:13:27,893 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 22:13:27,961 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e93e1c10-273c-408b-a217-56a0f6fc8a93/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 22:13:27,961 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e93e1c10-273c-408b-a217-56a0f6fc8a93/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 22:13:27,961 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:13:27,962 INFO L158 Benchmark]: Toolchain (without parser) took 1998.87ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 80.6MB in the end (delta: 35.7MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2024-12-05 22:13:27,962 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:13:27,963 INFO L158 Benchmark]: CACSL2BoogieTranslator took 166.72ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 105.2MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:13:27,963 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.39ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 104.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:13:27,963 INFO L158 Benchmark]: Boogie Preprocessor took 18.06ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 103.0MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:13:27,964 INFO L158 Benchmark]: RCFGBuilder took 244.06ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 89.5MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:13:27,964 INFO L158 Benchmark]: CodeCheck took 1466.12ms. Allocated memory is still 142.6MB. Free memory was 89.5MB in the beginning and 85.3MB in the end (delta: 4.2MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2024-12-05 22:13:27,964 INFO L158 Benchmark]: Witness Printer took 77.73ms. Allocated memory is still 142.6MB. Free memory was 85.3MB in the beginning and 80.6MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:13:27,967 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, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 136 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 73 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 82 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 200 IncrementalHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 82 mSolverCounterUnsat, 73 mSDtfsCounter, 200 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 397 GetRequests, 370 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 120 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 3/4 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: 14]: 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: 27]: Loop Invariant Derived loop invariant: !((i != 0) && (num <= 0)) - ProcedureContractResult [Line: 14]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: (cond != 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 166.72ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 105.2MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.39ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 104.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.06ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 103.0MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 244.06ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 89.5MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1466.12ms. Allocated memory is still 142.6MB. Free memory was 89.5MB in the beginning and 85.3MB in the end (delta: 4.2MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. * Witness Printer took 77.73ms. Allocated memory is still 142.6MB. Free memory was 85.3MB in the beginning and 80.6MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 22:13:27,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e93e1c10-273c-408b-a217-56a0f6fc8a93/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