./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_monotonic.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c58454-e57b-45d9-8f13-93ecaba78f3f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c58454-e57b-45d9-8f13-93ecaba78f3f/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_d2c58454-e57b-45d9-8f13-93ecaba78f3f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c58454-e57b-45d9-8f13-93ecaba78f3f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_monotonic.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c58454-e57b-45d9-8f13-93ecaba78f3f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c58454-e57b-45d9-8f13-93ecaba78f3f/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5e947ce3cb6be538c3110154d89a790a98803ec545aa8464d99fb543118ea442 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:38:07,514 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:38:07,569 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c58454-e57b-45d9-8f13-93ecaba78f3f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 04:38:07,574 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:38:07,575 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:38:07,593 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:38:07,594 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:38:07,594 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:38:07,595 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:38:07,595 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:38:07,595 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:38:07,595 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:38:07,595 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:38:07,595 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:38:07,595 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:38:07,596 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:38:07,596 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:38:07,596 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:38:07,596 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:38:07,596 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 04:38:07,596 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:38:07,596 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:38:07,596 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:38:07,596 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:38:07,596 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:38:07,596 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:38:07,596 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:38:07,596 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:38:07,597 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:38:07,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:38:07,597 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:38:07,597 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:38:07,597 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:38:07,597 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:38:07,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:38:07,597 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_d2c58454-e57b-45d9-8f13-93ecaba78f3f/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e947ce3cb6be538c3110154d89a790a98803ec545aa8464d99fb543118ea442 [2024-12-06 04:38:07,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:38:07,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:38:07,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:38:07,852 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:38:07,853 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:38:07,854 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c58454-e57b-45d9-8f13-93ecaba78f3f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/array-industry-pattern/array_monotonic.i [2024-12-06 04:38:10,605 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c58454-e57b-45d9-8f13-93ecaba78f3f/bin/ukojak-verify-CZk0znPC7b/data/cb56fd44d/0ed707dcce6846fe8d64e2a8ed3e6b5f/FLAG308e8e068 [2024-12-06 04:38:10,781 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:38:10,781 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c58454-e57b-45d9-8f13-93ecaba78f3f/sv-benchmarks/c/array-industry-pattern/array_monotonic.i [2024-12-06 04:38:10,787 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c58454-e57b-45d9-8f13-93ecaba78f3f/bin/ukojak-verify-CZk0znPC7b/data/cb56fd44d/0ed707dcce6846fe8d64e2a8ed3e6b5f/FLAG308e8e068 [2024-12-06 04:38:10,804 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c58454-e57b-45d9-8f13-93ecaba78f3f/bin/ukojak-verify-CZk0znPC7b/data/cb56fd44d/0ed707dcce6846fe8d64e2a8ed3e6b5f [2024-12-06 04:38:10,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:38:10,807 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:38:10,809 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:38:10,809 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:38:10,813 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:38:10,813 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:38:10" (1/1) ... [2024-12-06 04:38:10,814 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@395e6841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:10, skipping insertion in model container [2024-12-06 04:38:10,814 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:38:10" (1/1) ... [2024-12-06 04:38:10,826 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:38:10,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:38:10,986 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:38:11,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:38:11,021 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:38:11,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:11 WrapperNode [2024-12-06 04:38:11,022 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:38:11,023 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:38:11,023 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:38:11,023 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:38:11,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:11" (1/1) ... [2024-12-06 04:38:11,039 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:11" (1/1) ... [2024-12-06 04:38:11,057 INFO L138 Inliner]: procedures = 16, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 51 [2024-12-06 04:38:11,058 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:38:11,058 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:38:11,059 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:38:11,059 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:38:11,065 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:11" (1/1) ... [2024-12-06 04:38:11,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:11" (1/1) ... [2024-12-06 04:38:11,067 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:11" (1/1) ... [2024-12-06 04:38:11,067 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:11" (1/1) ... [2024-12-06 04:38:11,072 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:11" (1/1) ... [2024-12-06 04:38:11,073 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:11" (1/1) ... [2024-12-06 04:38:11,078 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:11" (1/1) ... [2024-12-06 04:38:11,079 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:11" (1/1) ... [2024-12-06 04:38:11,080 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:11" (1/1) ... [2024-12-06 04:38:11,082 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:38:11,083 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:38:11,083 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:38:11,083 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:38:11,084 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:11" (1/1) ... [2024-12-06 04:38:11,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:38:11,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c58454-e57b-45d9-8f13-93ecaba78f3f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:38:11,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c58454-e57b-45d9-8f13-93ecaba78f3f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:38:11,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c58454-e57b-45d9-8f13-93ecaba78f3f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:38:11,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:38:11,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:38:11,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 04:38:11,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 04:38:11,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:38:11,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:38:11,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 04:38:11,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 04:38:11,200 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:38:11,202 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:38:11,343 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-12-06 04:38:11,343 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:38:11,408 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:38:11,409 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 04:38:11,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:38:11 BoogieIcfgContainer [2024-12-06 04:38:11,409 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:38:11,410 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:38:11,410 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:38:11,419 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:38:11,419 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:38:11" (1/1) ... [2024-12-06 04:38:11,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:38:11,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:11,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-12-06 04:38:11,472 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-12-06 04:38:11,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 04:38:11,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:38:11,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:38:11,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:11,661 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 04:38:11,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:11,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-12-06 04:38:11,713 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-06 04:38:11,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:38:11,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:38:11,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:38:11,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:11,773 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 04:38:11,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:11,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-12-06 04:38:11,792 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-12-06 04:38:11,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 04:38:11,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:38:11,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:38:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:11,870 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 04:38:11,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:11,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-12-06 04:38:11,925 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-06 04:38:11,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:38:11,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:38:11,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:38:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:11,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:38:12,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:12,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-12-06 04:38:12,052 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-12-06 04:38:12,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:38:12,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:38:12,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:38:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:12,097 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:38:12,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:12,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-12-06 04:38:12,188 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-06 04:38:12,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 04:38:12,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:38:12,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:38:12,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:12,258 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:38:12,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:12,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-12-06 04:38:12,385 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-12-06 04:38:12,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 04:38:12,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:38:12,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:38:12,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:12,423 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 04:38:12,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:12,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-12-06 04:38:12,447 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-12-06 04:38:12,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 04:38:12,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:38:12,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:38:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:12,484 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 04:38:12,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:12,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-12-06 04:38:12,499 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-12-06 04:38:12,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 04:38:12,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:38:12,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:38:12,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:12,545 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 04:38:12,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:12,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2024-12-06 04:38:12,570 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2024-12-06 04:38:12,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 04:38:12,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:38:12,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:38:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:12,623 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 04:38:12,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:12,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-12-06 04:38:12,646 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-12-06 04:38:12,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 04:38:12,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:38:12,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:38:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:12,683 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-06 04:38:12,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:12,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-12-06 04:38:12,713 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-12-06 04:38:12,713 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 04:38:12,713 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2024-12-06 04:38:12,721 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-12-06 04:38:12,894 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2024-12-06 04:38:12,894 INFO L77 FloydHoareUtils]: At program point L23-2(lines 23 24) the Hoare annotation is: (or (and (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (< |ULTIMATE.start_main_~i~0#1| 2)) (and (<= |ULTIMATE.start_main_~i~0#1| 99999) (<= 2 |ULTIMATE.start_main_~i~0#1|))) [2024-12-06 04:38:12,894 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2024-12-06 04:38:12,895 INFO L77 FloydHoareUtils]: At program point L28-2(lines 28 29) the Hoare annotation is: (or (and (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (< |ULTIMATE.start_main_~i~0#1| 2)) (and (<= |ULTIMATE.start_main_~i~0#1| 99999) (<= 2 |ULTIMATE.start_main_~i~0#1|))) [2024-12-06 04:38:12,895 INFO L77 FloydHoareUtils]: At program point L20-3(line 20) the Hoare annotation is: (and (<= 0 (+ 2147483650 |ULTIMATE.start_main_~i~0#1|)) (<= |ULTIMATE.start_main_~i~0#1| 99999)) [2024-12-06 04:38:12,895 INFO L77 FloydHoareUtils]: At program point L20-4(lines 20 25) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) [2024-12-06 04:38:12,895 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2024-12-06 04:38:12,895 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 04:38:12,895 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 04:38:12,895 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2024-12-06 04:38:12,896 INFO L77 FloydHoareUtils]: At program point L26-3(line 26) the Hoare annotation is: (and (<= 0 (+ 2147483650 |ULTIMATE.start_main_~i~0#1|)) (<= |ULTIMATE.start_main_~i~0#1| 99999)) [2024-12-06 04:38:12,896 INFO L77 FloydHoareUtils]: At program point L26-4(lines 26 30) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) [2024-12-06 04:38:12,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:38:12 ImpRootNode [2024-12-06 04:38:12,905 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:38:12,905 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:38:12,905 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:38:12,905 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:38:12,906 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:38:11" (3/4) ... [2024-12-06 04:38:12,907 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 04:38:12,912 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2024-12-06 04:38:12,912 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-06 04:38:12,912 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 04:38:12,912 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-06 04:38:12,966 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c58454-e57b-45d9-8f13-93ecaba78f3f/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 04:38:12,966 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c58454-e57b-45d9-8f13-93ecaba78f3f/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 04:38:12,966 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:38:12,967 INFO L158 Benchmark]: Toolchain (without parser) took 2159.52ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 59.0MB in the end (delta: 33.5MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2024-12-06 04:38:12,967 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:38:12,967 INFO L158 Benchmark]: CACSL2BoogieTranslator took 213.75ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 81.8MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:38:12,968 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.79ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:38:12,968 INFO L158 Benchmark]: Boogie Preprocessor took 23.34ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 79.7MB in the end (delta: 718.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:38:12,968 INFO L158 Benchmark]: RCFGBuilder took 326.97ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 65.7MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:38:12,969 INFO L158 Benchmark]: CodeCheck took 1494.48ms. Allocated memory is still 117.4MB. Free memory was 65.4MB in the beginning and 63.5MB in the end (delta: 1.9MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2024-12-06 04:38:12,969 INFO L158 Benchmark]: Witness Printer took 60.73ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 59.0MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:38:12,971 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, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 227 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 139 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 214 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 659 IncrementalHoareTripleChecker+Invalid, 873 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 214 mSolverCounterUnsat, 24 mSDtfsCounter, 659 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 707 GetRequests, 683 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 89 ConstructedInterpolants, 0 QuantifiedInterpolants, 169 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 45/50 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: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: (0 <= (i + 2147483648)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (0 <= (i + 2147483648)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 213.75ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 81.8MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.79ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.34ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 79.7MB in the end (delta: 718.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 326.97ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 65.7MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1494.48ms. Allocated memory is still 117.4MB. Free memory was 65.4MB in the beginning and 63.5MB in the end (delta: 1.9MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * Witness Printer took 60.73ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 59.0MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 04:38:12,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c58454-e57b-45d9-8f13-93ecaba78f3f/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