./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-lit/hh2012-ex2b.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_3a71f6c4-f02a-40d2-bdce-82ddb9b9051d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a71f6c4-f02a-40d2-bdce-82ddb9b9051d/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_3a71f6c4-f02a-40d2-bdce-82ddb9b9051d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a71f6c4-f02a-40d2-bdce-82ddb9b9051d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/hh2012-ex2b.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a71f6c4-f02a-40d2-bdce-82ddb9b9051d/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_3a71f6c4-f02a-40d2-bdce-82ddb9b9051d/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 33d07b945bedf27c99ae2e0c2f8250a85a01f89cb7fb82b15572e4678e4d0d97 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:25:32,366 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:25:32,420 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a71f6c4-f02a-40d2-bdce-82ddb9b9051d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 06:25:32,424 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 06:25:32,424 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 06:25:32,442 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:25:32,442 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:25:32,443 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:25:32,443 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:25:32,443 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:25:32,443 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:25:32,443 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:25:32,444 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 06:25:32,444 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:25:32,444 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 06:25:32,444 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:25:32,444 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:25:32,444 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:25:32,444 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:25:32,444 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 06:25:32,444 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 06:25:32,444 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 06:25:32,444 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:25:32,445 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:25:32,445 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:25:32,445 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:25:32,445 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:25:32,445 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:25:32,445 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:25:32,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:25:32,445 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:25:32,446 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:25:32,446 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:25:32,446 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 06:25:32,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 06:25:32,446 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_3a71f6c4-f02a-40d2-bdce-82ddb9b9051d/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 -> 33d07b945bedf27c99ae2e0c2f8250a85a01f89cb7fb82b15572e4678e4d0d97 [2024-12-06 06:25:32,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:25:32,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:25:32,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:25:32,662 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:25:32,662 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:25:32,663 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a71f6c4-f02a-40d2-bdce-82ddb9b9051d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/loop-lit/hh2012-ex2b.i [2024-12-06 06:25:35,262 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a71f6c4-f02a-40d2-bdce-82ddb9b9051d/bin/ukojak-verify-CZk0znPC7b/data/c04f62afb/a0422d9573724be889282132db03123c/FLAGe5736144f [2024-12-06 06:25:35,445 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:25:35,446 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a71f6c4-f02a-40d2-bdce-82ddb9b9051d/sv-benchmarks/c/loop-lit/hh2012-ex2b.i [2024-12-06 06:25:35,453 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a71f6c4-f02a-40d2-bdce-82ddb9b9051d/bin/ukojak-verify-CZk0znPC7b/data/c04f62afb/a0422d9573724be889282132db03123c/FLAGe5736144f [2024-12-06 06:25:35,834 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a71f6c4-f02a-40d2-bdce-82ddb9b9051d/bin/ukojak-verify-CZk0znPC7b/data/c04f62afb/a0422d9573724be889282132db03123c [2024-12-06 06:25:35,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:25:35,837 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:25:35,838 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:25:35,838 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:25:35,841 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:25:35,841 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:25:35" (1/1) ... [2024-12-06 06:25:35,842 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31dc02f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:35, skipping insertion in model container [2024-12-06 06:25:35,842 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:25:35" (1/1) ... [2024-12-06 06:25:35,852 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:25:35,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:25:35,983 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:25:35,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:25:36,002 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:25:36,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:36 WrapperNode [2024-12-06 06:25:36,003 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:25:36,004 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:25:36,004 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:25:36,004 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:25:36,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:36" (1/1) ... [2024-12-06 06:25:36,012 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:36" (1/1) ... [2024-12-06 06:25:36,023 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2024-12-06 06:25:36,023 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:25:36,024 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:25:36,024 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:25:36,024 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:25:36,028 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:36" (1/1) ... [2024-12-06 06:25:36,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:36" (1/1) ... [2024-12-06 06:25:36,029 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:36" (1/1) ... [2024-12-06 06:25:36,029 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:36" (1/1) ... [2024-12-06 06:25:36,031 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:36" (1/1) ... [2024-12-06 06:25:36,032 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:36" (1/1) ... [2024-12-06 06:25:36,035 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:36" (1/1) ... [2024-12-06 06:25:36,035 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:36" (1/1) ... [2024-12-06 06:25:36,036 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:36" (1/1) ... [2024-12-06 06:25:36,037 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:25:36,037 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:25:36,038 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:25:36,038 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:25:36,038 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:36" (1/1) ... [2024-12-06 06:25:36,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:25:36,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a71f6c4-f02a-40d2-bdce-82ddb9b9051d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:25:36,061 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a71f6c4-f02a-40d2-bdce-82ddb9b9051d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:25:36,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a71f6c4-f02a-40d2-bdce-82ddb9b9051d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:25:36,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:25:36,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 06:25:36,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:25:36,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:25:36,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 06:25:36,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 06:25:36,127 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:25:36,128 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:25:36,213 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 06:25:36,213 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:25:36,238 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:25:36,238 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 06:25:36,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:25:36 BoogieIcfgContainer [2024-12-06 06:25:36,238 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:25:36,238 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:25:36,239 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:25:36,245 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:25:36,246 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:25:36" (1/1) ... [2024-12-06 06:25:36,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:25:36,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:25:36,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-12-06 06:25:36,301 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-12-06 06:25:36,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 06:25:36,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:25:36,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:25:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:25:36,476 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 06:25:36,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:25:36,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2024-12-06 06:25:36,542 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2024-12-06 06:25:36,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 06:25:36,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:25:36,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:25:36,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:25:36,599 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 06:25:36,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:25:36,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2024-12-06 06:25:36,623 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2024-12-06 06:25:36,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 06:25:36,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:25:36,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:25:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:25:36,722 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 06:25:36,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:25:36,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:25:36,843 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:25:36,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 06:25:36,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:25:36,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:25:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:25:36,900 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 06:25:37,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:25:37,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-12-06 06:25:37,001 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-12-06 06:25:37,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 06:25:37,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:25:37,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:25:37,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:25:37,124 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 06:25:37,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:25:37,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 17 states and 22 transitions. [2024-12-06 06:25:37,192 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-12-06 06:25:37,192 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 06:25:37,193 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-12-06 06:25:37,200 INFO L726 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-12-06 06:25:37,243 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2024-12-06 06:25:37,243 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2024-12-06 06:25:37,243 INFO L77 FloydHoareUtils]: At program point L21(line 21) the Hoare annotation is: (<= |ULTIMATE.start_main_#t~post2#1| 59) [2024-12-06 06:25:37,244 INFO L77 FloydHoareUtils]: At program point L21-1(line 21) the Hoare annotation is: (<= |ULTIMATE.start_main_#t~post2#1| 59) [2024-12-06 06:25:37,244 INFO L77 FloydHoareUtils]: At program point L19(lines 19 27) the Hoare annotation is: true [2024-12-06 06:25:37,244 INFO L77 FloydHoareUtils]: At program point L19-1(lines 17 28) the Hoare annotation is: true [2024-12-06 06:25:37,244 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 06:25:37,244 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) the Hoare annotation is: true [2024-12-06 06:25:37,244 INFO L77 FloydHoareUtils]: At program point L24(line 24) the Hoare annotation is: true [2024-12-06 06:25:37,244 INFO L77 FloydHoareUtils]: At program point L24-1(line 24) the Hoare annotation is: true [2024-12-06 06:25:37,244 INFO L77 FloydHoareUtils]: At program point L20(lines 20 26) the Hoare annotation is: true [2024-12-06 06:25:37,244 INFO L77 FloydHoareUtils]: At program point L18(line 18) the Hoare annotation is: true [2024-12-06 06:25:37,244 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(line 13) the Hoare annotation is: true [2024-12-06 06:25:37,244 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line 13) the Hoare annotation is: true [2024-12-06 06:25:37,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 06:25:37 ImpRootNode [2024-12-06 06:25:37,257 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 06:25:37,257 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 06:25:37,257 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 06:25:37,258 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 06:25:37,258 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:25:36" (3/4) ... [2024-12-06 06:25:37,260 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 06:25:37,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-12-06 06:25:37,266 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-12-06 06:25:37,267 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-06 06:25:37,267 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 06:25:37,267 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 06:25:37,321 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a71f6c4-f02a-40d2-bdce-82ddb9b9051d/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 06:25:37,321 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a71f6c4-f02a-40d2-bdce-82ddb9b9051d/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 06:25:37,321 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 06:25:37,322 INFO L158 Benchmark]: Toolchain (without parser) took 1485.40ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 86.0MB in the end (delta: 30.7MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2024-12-06 06:25:37,322 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:25:37,323 INFO L158 Benchmark]: CACSL2BoogieTranslator took 165.49ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 106.3MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:25:37,323 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.58ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 105.2MB in the end (delta: 822.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:25:37,323 INFO L158 Benchmark]: Boogie Preprocessor took 13.30ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 104.4MB in the end (delta: 830.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:25:37,323 INFO L158 Benchmark]: RCFGBuilder took 200.64ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 93.3MB in the end (delta: 11.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 06:25:37,324 INFO L158 Benchmark]: CodeCheck took 1018.41ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 90.0MB in the end (delta: 3.3MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2024-12-06 06:25:37,324 INFO L158 Benchmark]: Witness Printer took 64.06ms. Allocated memory is still 142.6MB. Free memory was 90.0MB in the beginning and 86.0MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:25:37,326 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 139 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 64 mSDsluCounter, 132 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 76 mSDsCounter, 70 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 171 IncrementalHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 70 mSolverCounterUnsat, 56 mSDtfsCounter, 171 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 557 GetRequests, 523 SyntacticMatches, 12 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 69 ConstructedInterpolants, 0 QuantifiedInterpolants, 151 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 21/37 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: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 165.49ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 106.3MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.58ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 105.2MB in the end (delta: 822.4kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.30ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 104.4MB in the end (delta: 830.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 200.64ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 93.3MB in the end (delta: 11.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1018.41ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 90.0MB in the end (delta: 3.3MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. * Witness Printer took 64.06ms. Allocated memory is still 142.6MB. Free memory was 90.0MB in the beginning and 86.0MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 06:25:37,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a71f6c4-f02a-40d2-bdce-82ddb9b9051d/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