./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_2d6485aa-43ce-43bc-a3f4-c63f48da70b6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6485aa-43ce-43bc-a3f4-c63f48da70b6/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_2d6485aa-43ce-43bc-a3f4-c63f48da70b6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6485aa-43ce-43bc-a3f4-c63f48da70b6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6485aa-43ce-43bc-a3f4-c63f48da70b6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6485aa-43ce-43bc-a3f4-c63f48da70b6/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 64bit --witnessprinter.graph.data.programhash b8c16e949b804a2902e47966e35d88e859ba571c4506ac61977253ace96daf78 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:02:29,413 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:02:29,473 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6485aa-43ce-43bc-a3f4-c63f48da70b6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 06:02:29,478 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 06:02:29,478 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 06:02:29,498 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:02:29,499 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:02:29,499 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:02:29,499 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:02:29,500 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:02:29,500 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:02:29,500 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:02:29,500 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:02:29,500 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:02:29,500 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:02:29,500 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:02:29,500 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:02:29,500 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 06:02:29,500 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 06:02:29,501 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:02:29,501 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:02:29,501 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:02:29,501 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:02:29,501 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:02:29,501 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:02:29,501 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:02:29,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:02:29,501 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:02:29,501 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:02:29,502 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:02:29,502 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 06:02:29,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 06:02:29,502 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_2d6485aa-43ce-43bc-a3f4-c63f48da70b6/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8c16e949b804a2902e47966e35d88e859ba571c4506ac61977253ace96daf78 [2024-12-06 06:02:29,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:02:29,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:02:29,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:02:29,768 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:02:29,768 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:02:29,770 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6485aa-43ce-43bc-a3f4-c63f48da70b6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c [2024-12-06 06:02:32,491 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6485aa-43ce-43bc-a3f4-c63f48da70b6/bin/ukojak-verify-CZk0znPC7b/data/4e8ed7b68/45c091979949475b84eb392d0251ed98/FLAGb49989d27 [2024-12-06 06:02:32,682 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:02:32,682 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6485aa-43ce-43bc-a3f4-c63f48da70b6/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c [2024-12-06 06:02:32,689 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6485aa-43ce-43bc-a3f4-c63f48da70b6/bin/ukojak-verify-CZk0znPC7b/data/4e8ed7b68/45c091979949475b84eb392d0251ed98/FLAGb49989d27 [2024-12-06 06:02:32,703 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6485aa-43ce-43bc-a3f4-c63f48da70b6/bin/ukojak-verify-CZk0znPC7b/data/4e8ed7b68/45c091979949475b84eb392d0251ed98 [2024-12-06 06:02:32,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:02:32,706 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:02:32,708 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:02:32,708 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:02:32,711 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:02:32,711 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:02:32" (1/1) ... [2024-12-06 06:02:32,712 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@430ade90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:32, skipping insertion in model container [2024-12-06 06:02:32,712 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:02:32" (1/1) ... [2024-12-06 06:02:32,722 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:02:32,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:02:32,832 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:02:32,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:02:32,851 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:02:32,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:32 WrapperNode [2024-12-06 06:02:32,851 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:02:32,852 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:02:32,852 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:02:32,852 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:02:32,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:32" (1/1) ... [2024-12-06 06:02:32,859 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:32" (1/1) ... [2024-12-06 06:02:32,871 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 40 [2024-12-06 06:02:32,871 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:02:32,871 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:02:32,872 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:02:32,872 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:02:32,876 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:32" (1/1) ... [2024-12-06 06:02:32,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:32" (1/1) ... [2024-12-06 06:02:32,877 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:32" (1/1) ... [2024-12-06 06:02:32,877 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:32" (1/1) ... [2024-12-06 06:02:32,879 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:32" (1/1) ... [2024-12-06 06:02:32,879 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:32" (1/1) ... [2024-12-06 06:02:32,884 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:32" (1/1) ... [2024-12-06 06:02:32,885 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:32" (1/1) ... [2024-12-06 06:02:32,885 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:32" (1/1) ... [2024-12-06 06:02:32,886 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:02:32,887 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:02:32,887 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:02:32,887 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:02:32,888 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:32" (1/1) ... [2024-12-06 06:02:32,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:02:32,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6485aa-43ce-43bc-a3f4-c63f48da70b6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:02:32,914 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6485aa-43ce-43bc-a3f4-c63f48da70b6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:02:32,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6485aa-43ce-43bc-a3f4-c63f48da70b6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:02:32,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:02:32,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:02:33,001 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:02:33,003 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:02:33,120 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-12-06 06:02:33,120 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:02:33,146 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:02:33,146 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 06:02:33,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:02:33 BoogieIcfgContainer [2024-12-06 06:02:33,147 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:02:33,147 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:02:33,147 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:02:33,158 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:02:33,158 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:02:33" (1/1) ... [2024-12-06 06:02:33,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:02:33,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:02:33,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 30 states and 33 transitions. [2024-12-06 06:02:33,217 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2024-12-06 06:02:33,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 06:02:33,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:02:33,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:02:33,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:33,353 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 06:02:33,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:02:33,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 33 states and 40 transitions. [2024-12-06 06:02:33,415 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2024-12-06 06:02:33,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 06:02:33,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:02:33,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:02:33,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:33,457 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 06:02:33,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:02:33,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 35 states and 46 transitions. [2024-12-06 06:02:33,601 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2024-12-06 06:02:33,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 06:02:33,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:02:33,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:02:33,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:33,627 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 06:02:33,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:02:33,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 36 states and 47 transitions. [2024-12-06 06:02:33,650 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2024-12-06 06:02:33,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 06:02:33,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:02:33,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:02:33,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:33,680 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 06:02:33,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:02:33,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 53 transitions. [2024-12-06 06:02:33,820 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2024-12-06 06:02:33,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 06:02:33,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:02:33,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:02:33,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:33,862 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 06:02:33,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:02:33,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 42 states and 57 transitions. [2024-12-06 06:02:33,942 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 57 transitions. [2024-12-06 06:02:33,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 06:02:33,943 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:02:33,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:02:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:33,978 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 06:02:34,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:02:34,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 41 states and 56 transitions. [2024-12-06 06:02:34,047 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2024-12-06 06:02:34,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 06:02:34,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:02:34,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:02:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:02:34,055 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:02:34,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:02:34,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:02:34,078 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:02:34,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:02:34,086 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2024-12-06 06:02:34,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 06:02:34 ImpRootNode [2024-12-06 06:02:34,105 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 06:02:34,106 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 06:02:34,106 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 06:02:34,106 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 06:02:34,106 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:02:33" (3/4) ... [2024-12-06 06:02:34,107 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 06:02:34,133 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 3. [2024-12-06 06:02:34,163 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6485aa-43ce-43bc-a3f4-c63f48da70b6/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 06:02:34,163 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6485aa-43ce-43bc-a3f4-c63f48da70b6/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 06:02:34,163 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 06:02:34,164 INFO L158 Benchmark]: Toolchain (without parser) took 1457.40ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 100.2MB in the end (delta: 18.1MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2024-12-06 06:02:34,164 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:02:34,165 INFO L158 Benchmark]: CACSL2BoogieTranslator took 143.89ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 108.1MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:02:34,165 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.04ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 107.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:02:34,165 INFO L158 Benchmark]: Boogie Preprocessor took 15.12ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 106.3MB in the end (delta: 691.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:02:34,166 INFO L158 Benchmark]: RCFGBuilder took 259.37ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 95.1MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 06:02:34,166 INFO L158 Benchmark]: CodeCheck took 958.05ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 103.7MB in the end (delta: -8.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:02:34,166 INFO L158 Benchmark]: Witness Printer took 57.51ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 100.2MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:02:34,168 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, 30 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 101 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 85 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 61 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 362 IncrementalHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 61 mSolverCounterUnsat, 0 mSDtfsCounter, 362 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 261 GetRequests, 233 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 87 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 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 - CounterExampleResult [Line: 30]: integer overflow possible integer overflow possible We found a FailurePath: [L13] int a, b; [L14] a = __VERIFIER_nondet_int() [L15] b = __VERIFIER_nondet_int() [L16] COND TRUE a < 30 VAL [a=-2147483639, b=-2147483639] [L17] COND FALSE !(b < a) VAL [a=-2147483639, b=-2147483639] [L29] EXPR a + 2 [L29] a = a + 2 VAL [a=-2147483637, b=-2147483639] [L30] b - 10 VAL [a=-2147483637] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 143.89ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 108.1MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.04ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 107.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.12ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 106.3MB in the end (delta: 691.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 259.37ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 95.1MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 958.05ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 103.7MB in the end (delta: -8.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 57.51ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 100.2MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 06:02:34,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d6485aa-43ce-43bc-a3f4-c63f48da70b6/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)