./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.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_1eedabd5-c1c2-4df6-a8e7-6e0e764c66b5/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eedabd5-c1c2-4df6-a8e7-6e0e764c66b5/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_1eedabd5-c1c2-4df6-a8e7-6e0e764c66b5/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eedabd5-c1c2-4df6-a8e7-6e0e764c66b5/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eedabd5-c1c2-4df6-a8e7-6e0e764c66b5/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_1eedabd5-c1c2-4df6-a8e7-6e0e764c66b5/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 c64ddc091da8ed0532dcccc83eb64a4ecc9abe88fb93c047052ca7ac9ea29989 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:50:11,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:50:11,461 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eedabd5-c1c2-4df6-a8e7-6e0e764c66b5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 05:50:11,465 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:50:11,466 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:50:11,485 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:50:11,485 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:50:11,486 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:50:11,486 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:50:11,486 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:50:11,486 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:50:11,486 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:50:11,486 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:50:11,487 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:50:11,487 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:50:11,487 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:50:11,487 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:50:11,487 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:50:11,487 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:50:11,487 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:50:11,487 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:50:11,487 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:50:11,487 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:50:11,487 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:50:11,487 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:50:11,487 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:50:11,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:50:11,488 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:50:11,488 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:50:11,488 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:50:11,488 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:50:11,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:50:11,488 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_1eedabd5-c1c2-4df6-a8e7-6e0e764c66b5/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 -> c64ddc091da8ed0532dcccc83eb64a4ecc9abe88fb93c047052ca7ac9ea29989 [2024-12-06 05:50:11,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:50:11,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:50:11,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:50:11,762 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:50:11,762 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:50:11,763 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eedabd5-c1c2-4df6-a8e7-6e0e764c66b5/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.c [2024-12-06 05:50:14,377 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eedabd5-c1c2-4df6-a8e7-6e0e764c66b5/bin/ukojak-verify-CZk0znPC7b/data/3383998d8/71f50084e9c147cc9a2a72937ea37ca8/FLAGf1df87ce0 [2024-12-06 05:50:14,579 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:50:14,580 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eedabd5-c1c2-4df6-a8e7-6e0e764c66b5/sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.c [2024-12-06 05:50:14,586 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eedabd5-c1c2-4df6-a8e7-6e0e764c66b5/bin/ukojak-verify-CZk0znPC7b/data/3383998d8/71f50084e9c147cc9a2a72937ea37ca8/FLAGf1df87ce0 [2024-12-06 05:50:14,960 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eedabd5-c1c2-4df6-a8e7-6e0e764c66b5/bin/ukojak-verify-CZk0znPC7b/data/3383998d8/71f50084e9c147cc9a2a72937ea37ca8 [2024-12-06 05:50:14,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:50:14,963 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:50:14,965 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:50:14,965 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:50:14,967 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:50:14,968 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:50:14" (1/1) ... [2024-12-06 05:50:14,968 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58afbc77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:14, skipping insertion in model container [2024-12-06 05:50:14,969 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:50:14" (1/1) ... [2024-12-06 05:50:14,978 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:50:15,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:50:15,078 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:50:15,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:50:15,093 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:50:15,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:15 WrapperNode [2024-12-06 05:50:15,094 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:50:15,094 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:50:15,094 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:50:15,094 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:50:15,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:15" (1/1) ... [2024-12-06 05:50:15,101 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:15" (1/1) ... [2024-12-06 05:50:15,110 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2024-12-06 05:50:15,110 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:50:15,111 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:50:15,111 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:50:15,111 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:50:15,116 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:15" (1/1) ... [2024-12-06 05:50:15,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:15" (1/1) ... [2024-12-06 05:50:15,117 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:15" (1/1) ... [2024-12-06 05:50:15,117 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:15" (1/1) ... [2024-12-06 05:50:15,118 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:15" (1/1) ... [2024-12-06 05:50:15,118 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:15" (1/1) ... [2024-12-06 05:50:15,121 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:15" (1/1) ... [2024-12-06 05:50:15,122 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:15" (1/1) ... [2024-12-06 05:50:15,122 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:15" (1/1) ... [2024-12-06 05:50:15,123 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:50:15,124 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:50:15,124 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:50:15,124 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:50:15,125 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:50:15" (1/1) ... [2024-12-06 05:50:15,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:50:15,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eedabd5-c1c2-4df6-a8e7-6e0e764c66b5/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:50:15,152 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eedabd5-c1c2-4df6-a8e7-6e0e764c66b5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:50:15,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eedabd5-c1c2-4df6-a8e7-6e0e764c66b5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:50:15,180 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2024-12-06 05:50:15,180 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2024-12-06 05:50:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:50:15,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:50:15,225 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:50:15,227 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:50:15,302 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-12-06 05:50:15,302 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:50:15,322 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:50:15,322 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:50:15,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:50:15 BoogieIcfgContainer [2024-12-06 05:50:15,323 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:50:15,323 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:50:15,323 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:50:15,332 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:50:15,332 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:50:15" (1/1) ... [2024-12-06 05:50:15,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:50:15,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:50:15,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-12-06 05:50:15,388 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-12-06 05:50:15,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:50:15,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:50:15,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:50:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:50:15,560 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 05:50:15,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:50:15,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 17 transitions. [2024-12-06 05:50:15,611 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-12-06 05:50:15,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:50:15,613 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:50:15,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:50:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:50:15,664 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 05:50:15,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:50:15,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 13 transitions. [2024-12-06 05:50:15,680 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2024-12-06 05:50:15,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:50:15,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:50:15,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:50:15,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:50:15,745 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 05:50:15,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:50:15,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 17 states and 25 transitions. [2024-12-06 05:50:15,880 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2024-12-06 05:50:15,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:50:15,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:50:15,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:50:15,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:50:15,919 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 05:50:15,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:50:15,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 18 states and 27 transitions. [2024-12-06 05:50:15,936 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2024-12-06 05:50:15,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 05:50:15,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:50:15,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:50:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:50:16,085 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:50:16,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:50:16,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 10 states and 12 transitions. [2024-12-06 05:50:16,468 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2024-12-06 05:50:16,469 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 05:50:16,469 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-12-06 05:50:16,476 INFO L726 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-12-06 05:50:16,603 INFO L77 FloydHoareUtils]: At program point L15(line 15) the Hoare annotation is: (or (and (<= 1 |foo_#t~post0|) (= |foo_#t~post0| |old(~x~0)|)) (< 2147483647 |foo_#t~post0|)) [2024-12-06 05:50:16,603 INFO L77 FloydHoareUtils]: At program point L15-1(line 15) the Hoare annotation is: (not (and (<= |foo_#t~post0| 2147483647) (not (= |foo_#t~post0| |old(~x~0)|)))) [2024-12-06 05:50:16,603 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 14 16) the Hoare annotation is: (or (< 2147483647 ~x~0) (and (<= 1 ~x~0) (= ~x~0 |old(~x~0)|))) [2024-12-06 05:50:16,603 INFO L77 FloydHoareUtils]: At program point fooErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) the Hoare annotation is: true [2024-12-06 05:50:16,603 INFO L77 FloydHoareUtils]: At program point fooEXIT(lines 14 16) the Hoare annotation is: true [2024-12-06 05:50:16,604 INFO L75 FloydHoareUtils]: For program point fooErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2024-12-06 05:50:16,604 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 05:50:16,604 INFO L77 FloydHoareUtils]: At program point L23(lines 23 27) the Hoare annotation is: (<= 1 ~x~0) [2024-12-06 05:50:16,604 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 05:50:16,604 INFO L77 FloydHoareUtils]: At program point L26(line 26) the Hoare annotation is: (<= 1 ~x~0) [2024-12-06 05:50:16,604 INFO L77 FloydHoareUtils]: At program point L26-1(lines 22 28) the Hoare annotation is: true [2024-12-06 05:50:16,604 INFO L77 FloydHoareUtils]: At program point L24(line 24) the Hoare annotation is: (<= 1 ~x~0) [2024-12-06 05:50:16,627 WARN L162 FloydHoareUtils]: Requires clause for foo contained old-variable. Original clause: (or (< 2147483647 ~x~0) (and (<= 1 ~x~0) (= ~x~0 |old(~x~0)|))) Eliminated clause: (< 0 ~x~0) [2024-12-06 05:50:16,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:50:16 ImpRootNode [2024-12-06 05:50:16,633 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:50:16,634 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:50:16,634 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:50:16,634 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:50:16,634 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:50:15" (3/4) ... [2024-12-06 05:50:16,636 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 05:50:16,639 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure foo [2024-12-06 05:50:16,642 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-12-06 05:50:16,642 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-06 05:50:16,642 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-06 05:50:16,706 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eedabd5-c1c2-4df6-a8e7-6e0e764c66b5/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 05:50:16,706 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eedabd5-c1c2-4df6-a8e7-6e0e764c66b5/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 05:50:16,706 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:50:16,707 INFO L158 Benchmark]: Toolchain (without parser) took 1743.09ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 78.7MB in the end (delta: 37.6MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2024-12-06 05:50:16,707 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:50:16,707 INFO L158 Benchmark]: CACSL2BoogieTranslator took 129.42ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 106.1MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:50:16,708 INFO L158 Benchmark]: Boogie Procedure Inliner took 16.10ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 105.2MB in the end (delta: 838.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:50:16,708 INFO L158 Benchmark]: Boogie Preprocessor took 12.41ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 104.7MB in the end (delta: 574.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:50:16,708 INFO L158 Benchmark]: RCFGBuilder took 198.97ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 94.6MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:50:16,708 INFO L158 Benchmark]: CodeCheck took 1309.84ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 83.6MB in the end (delta: 11.1MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-12-06 05:50:16,709 INFO L158 Benchmark]: Witness Printer took 72.19ms. Allocated memory is still 142.6MB. Free memory was 83.6MB in the beginning and 78.7MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:50:16,710 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 100 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 63 mSDsluCounter, 152 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 94 mSDsCounter, 56 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 186 IncrementalHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 56 mSolverCounterUnsat, 58 mSDtfsCounter, 186 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 404 GetRequests, 353 SyntacticMatches, 17 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 103 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 3/6 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: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: 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 - ProcedureContractResult [Line: 14]: Procedure Contract for foo Derived contract for procedure foo. Requires: (0 < x) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 129.42ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 106.1MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 16.10ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 105.2MB in the end (delta: 838.0kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 12.41ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 104.7MB in the end (delta: 574.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 198.97ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 94.6MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1309.84ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 83.6MB in the end (delta: 11.1MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Witness Printer took 72.19ms. Allocated memory is still 142.6MB. Free memory was 83.6MB in the beginning and 78.7MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 05:50:16,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eedabd5-c1c2-4df6-a8e7-6e0e764c66b5/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