./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b26e5cb-0f00-4567-bb13-33fee1e18ba6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b26e5cb-0f00-4567-bb13-33fee1e18ba6/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_0b26e5cb-0f00-4567-bb13-33fee1e18ba6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b26e5cb-0f00-4567-bb13-33fee1e18ba6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b26e5cb-0f00-4567-bb13-33fee1e18ba6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b26e5cb-0f00-4567-bb13-33fee1e18ba6/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 41e3b99a8739a64ea08b115c1bc63941cba76a5cda04966369ff0f88d0ee65cc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:49:56,333 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:49:56,394 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b26e5cb-0f00-4567-bb13-33fee1e18ba6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:49:56,399 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:49:56,399 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:49:56,420 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:49:56,421 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:49:56,421 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:49:56,421 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:49:56,421 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:49:56,422 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:49:56,422 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:49:56,422 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:49:56,422 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:49:56,422 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:49:56,422 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:49:56,422 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:49:56,422 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:49:56,422 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:49:56,422 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:49:56,422 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:49:56,423 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:49:56,423 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:49:56,423 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:49:56,423 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:49:56,423 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:49:56,423 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:49:56,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:49:56,423 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:49:56,423 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:49:56,423 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:49:56,424 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:49:56,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:49:56,424 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_0b26e5cb-0f00-4567-bb13-33fee1e18ba6/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41e3b99a8739a64ea08b115c1bc63941cba76a5cda04966369ff0f88d0ee65cc [2024-12-05 23:49:56,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:49:56,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:49:56,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:49:56,668 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:49:56,668 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:49:56,670 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b26e5cb-0f00-4567-bb13-33fee1e18ba6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound5.c [2024-12-05 23:49:59,300 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b26e5cb-0f00-4567-bb13-33fee1e18ba6/bin/ukojak-verify-CZk0znPC7b/data/552ad7c47/f8ac376b9ccb479da352cb6c441c4878/FLAGb62842733 [2024-12-05 23:49:59,467 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:49:59,467 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b26e5cb-0f00-4567-bb13-33fee1e18ba6/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound5.c [2024-12-05 23:49:59,474 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b26e5cb-0f00-4567-bb13-33fee1e18ba6/bin/ukojak-verify-CZk0znPC7b/data/552ad7c47/f8ac376b9ccb479da352cb6c441c4878/FLAGb62842733 [2024-12-05 23:49:59,501 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b26e5cb-0f00-4567-bb13-33fee1e18ba6/bin/ukojak-verify-CZk0znPC7b/data/552ad7c47/f8ac376b9ccb479da352cb6c441c4878 [2024-12-05 23:49:59,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:49:59,505 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:49:59,506 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:49:59,506 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:49:59,510 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:49:59,511 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:49:59" (1/1) ... [2024-12-05 23:49:59,512 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@676b1eeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:49:59, skipping insertion in model container [2024-12-05 23:49:59,512 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:49:59" (1/1) ... [2024-12-05 23:49:59,527 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:49:59,662 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b26e5cb-0f00-4567-bb13-33fee1e18ba6/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound5.c[458,471] [2024-12-05 23:49:59,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:49:59,685 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:49:59,695 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b26e5cb-0f00-4567-bb13-33fee1e18ba6/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound5.c[458,471] [2024-12-05 23:49:59,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:49:59,712 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:49:59,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:49:59 WrapperNode [2024-12-05 23:49:59,712 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:49:59,713 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:49:59,713 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:49:59,713 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:49:59,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:49:59" (1/1) ... [2024-12-05 23:49:59,725 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:49:59" (1/1) ... [2024-12-05 23:49:59,738 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2024-12-05 23:49:59,739 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:49:59,739 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:49:59,739 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:49:59,739 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:49:59,746 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:49:59" (1/1) ... [2024-12-05 23:49:59,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:49:59" (1/1) ... [2024-12-05 23:49:59,747 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:49:59" (1/1) ... [2024-12-05 23:49:59,747 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:49:59" (1/1) ... [2024-12-05 23:49:59,750 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:49:59" (1/1) ... [2024-12-05 23:49:59,750 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:49:59" (1/1) ... [2024-12-05 23:49:59,753 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:49:59" (1/1) ... [2024-12-05 23:49:59,754 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:49:59" (1/1) ... [2024-12-05 23:49:59,755 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:49:59" (1/1) ... [2024-12-05 23:49:59,756 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:49:59,757 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:49:59,757 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:49:59,757 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:49:59,758 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:49:59" (1/1) ... [2024-12-05 23:49:59,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:49:59,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b26e5cb-0f00-4567-bb13-33fee1e18ba6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:49:59,789 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b26e5cb-0f00-4567-bb13-33fee1e18ba6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:49:59,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b26e5cb-0f00-4567-bb13-33fee1e18ba6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:49:59,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:49:59,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:49:59,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:49:59,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:49:59,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 23:49:59,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 23:49:59,870 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:49:59,871 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:49:59,961 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-05 23:49:59,961 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:49:59,994 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:49:59,994 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 23:49:59,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:49:59 BoogieIcfgContainer [2024-12-05 23:49:59,994 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:49:59,995 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:49:59,995 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:50:00,004 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:50:00,004 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:49:59" (1/1) ... [2024-12-05 23:50:00,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:50:00,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:50:00,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-12-05 23:50:00,048 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-12-05 23:50:00,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:50:00,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:50:00,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:50:00,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:50:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:50:00,142 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 23:50:00,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:50:00,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:50:00,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:50:00,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-12-05 23:50:00,299 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-12-05 23:50:00,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 23:50:00,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:50:00,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:50:00,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:50:00,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:50:00,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:50:00,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-12-05 23:50:00,781 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-12-05 23:50:00,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 23:50:00,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:50:00,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:50:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:50:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:50:00,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 23:50:00,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:50:00,913 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:50:01,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:50:01,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-12-05 23:50:01,147 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-12-05 23:50:01,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 23:50:01,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:50:01,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:50:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:50:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:50:01,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:50:01,195 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:50:01,265 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 23:50:01,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:50:01,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-05 23:50:01,505 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-05 23:50:01,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 23:50:01,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:50:01,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:50:01,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:50:01,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:50:01,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 23:50:01,559 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:50:01,656 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 23:50:01,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:50:01,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2024-12-05 23:50:01,928 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2024-12-05 23:50:01,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 23:50:01,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:50:01,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:50:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:50:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:50:01,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-05 23:50:01,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:50:02,086 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-05 23:50:02,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:50:02,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2024-12-05 23:50:02,396 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2024-12-05 23:50:02,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-05 23:50:02,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:50:02,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:50:02,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:50:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:50:02,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-05 23:50:02,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:50:02,564 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 10 proven. 25 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-05 23:50:02,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:50:02,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 25 states and 38 transitions. [2024-12-05 23:50:02,927 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2024-12-05 23:50:02,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-05 23:50:02,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:50:02,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:50:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:50:03,247 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 38 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-05 23:50:04,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:50:04,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 20 states and 30 transitions. [2024-12-05 23:50:04,577 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2024-12-05 23:50:04,577 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 23:50:04,578 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-12-05 23:50:04,584 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-05 23:50:04,738 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 23:50:04,738 INFO L77 FloydHoareUtils]: At program point L27-2(lines 27 36) the Hoare annotation is: true [2024-12-05 23:50:04,738 INFO L77 FloydHoareUtils]: At program point L27-3(lines 27 36) the Hoare annotation is: (= (* 6 |ULTIMATE.start_main_~x~0#1|) (+ (* 3 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|) 2) |ULTIMATE.start_main_~y~0#1|)) [2024-12-05 23:50:04,738 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 23:50:04,738 INFO L77 FloydHoareUtils]: At program point L28(lines 27 36) the Hoare annotation is: (= (* 6 |ULTIMATE.start_main_~x~0#1|) (+ (* 3 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|) 2) |ULTIMATE.start_main_~y~0#1|)) [2024-12-05 23:50:04,738 INFO L77 FloydHoareUtils]: At program point L37(line 37) the Hoare annotation is: true [2024-12-05 23:50:04,739 INFO L77 FloydHoareUtils]: At program point L11(lines 11 12) the Hoare annotation is: true [2024-12-05 23:50:04,739 INFO L77 FloydHoareUtils]: At program point L10(lines 10 13) the Hoare annotation is: (or (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 1 __VERIFIER_assert_~cond)) (= __VERIFIER_assert_~cond 0)) [2024-12-05 23:50:04,739 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-05 23:50:04,739 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 9 15) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| 0)) (< |__VERIFIER_assert_#in~cond| 1))) [2024-12-05 23:50:04,739 INFO L77 FloydHoareUtils]: At program point L10-2(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-05 23:50:04,739 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) the Hoare annotation is: true [2024-12-05 23:50:04,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:50:04 ImpRootNode [2024-12-05 23:50:04,750 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:50:04,751 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:50:04,751 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:50:04,751 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:50:04,751 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:49:59" (3/4) ... [2024-12-05 23:50:04,753 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 23:50:04,755 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-12-05 23:50:04,757 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-12-05 23:50:04,757 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-05 23:50:04,757 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-05 23:50:04,757 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 23:50:04,824 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b26e5cb-0f00-4567-bb13-33fee1e18ba6/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 23:50:04,824 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b26e5cb-0f00-4567-bb13-33fee1e18ba6/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 23:50:04,824 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:50:04,825 INFO L158 Benchmark]: Toolchain (without parser) took 5320.33ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 74.7MB in the end (delta: 44.5MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2024-12-05 23:50:04,825 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:50:04,825 INFO L158 Benchmark]: CACSL2BoogieTranslator took 206.88ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 107.9MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:50:04,826 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.61ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 107.0MB in the end (delta: 940.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:50:04,826 INFO L158 Benchmark]: Boogie Preprocessor took 17.12ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 106.2MB in the end (delta: 783.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:50:04,826 INFO L158 Benchmark]: RCFGBuilder took 237.69ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 94.7MB in the end (delta: 11.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:50:04,827 INFO L158 Benchmark]: CodeCheck took 4754.79ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 78.7MB in the end (delta: 16.1MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2024-12-05 23:50:04,827 INFO L158 Benchmark]: Witness Printer took 73.75ms. Allocated memory is still 142.6MB. Free memory was 78.7MB in the beginning and 74.7MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:50:04,828 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, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.6s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 120 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 35 mSDsluCounter, 136 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 68 mSDsCounter, 359 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 696 IncrementalHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 359 mSolverCounterUnsat, 68 mSDtfsCounter, 696 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1195 GetRequests, 1064 SyntacticMatches, 35 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3193 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 172 NumberOfCodeBlocks, 172 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 506 SizeOfPredicates, 6 NumberOfNonLiveVariables, 474 ConjunctsInSsa, 110 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 208/275 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: 12]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 9]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: ((0 < cond) || (cond == 0)) Ensures: (cond != 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 206.88ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 107.9MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.61ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 107.0MB in the end (delta: 940.2kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.12ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 106.2MB in the end (delta: 783.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 237.69ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 94.7MB in the end (delta: 11.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 4754.79ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 78.7MB in the end (delta: 16.1MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * Witness Printer took 73.75ms. Allocated memory is still 142.6MB. Free memory was 78.7MB in the beginning and 74.7MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 23:50:04,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b26e5cb-0f00-4567-bb13-33fee1e18ba6/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