./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-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_90009e2f-303e-471a-aeaa-fb5723d387a9/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009e2f-303e-471a-aeaa-fb5723d387a9/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009e2f-303e-471a-aeaa-fb5723d387a9/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009e2f-303e-471a-aeaa-fb5723d387a9/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009e2f-303e-471a-aeaa-fb5723d387a9/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009e2f-303e-471a-aeaa-fb5723d387a9/bin/ukojak-verify-ENZ3QT5qd3 --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 1b50d522769b95768e9038f61a48a3b927d40a7b91b44cb14af45fcd08759b69 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:34:50,581 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:34:50,646 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009e2f-303e-471a-aeaa-fb5723d387a9/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:34:50,652 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:34:50,652 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:34:50,686 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:34:50,687 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:34:50,687 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:34:50,688 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:34:50,688 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:34:50,688 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:34:50,688 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:34:50,688 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:34:50,689 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:34:50,689 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:34:50,689 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:34:50,689 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:34:50,689 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:34:50,689 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:34:50,689 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:34:50,690 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:34:50,690 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:34:50,690 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:34:50,690 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:34:50,690 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:34:50,690 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:34:50,691 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:34:50,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:34:50,691 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:34:50,691 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:34:50,691 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:34:50,692 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:34:50,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:34:50,692 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_90009e2f-303e-471a-aeaa-fb5723d387a9/bin/ukojak-verify-ENZ3QT5qd3 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 -> 1b50d522769b95768e9038f61a48a3b927d40a7b91b44cb14af45fcd08759b69 [2024-11-25 03:34:50,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:34:51,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:34:51,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:34:51,018 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:34:51,018 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:34:51,021 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009e2f-303e-471a-aeaa-fb5723d387a9/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound5.c [2024-11-25 03:34:53,963 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009e2f-303e-471a-aeaa-fb5723d387a9/bin/ukojak-verify-ENZ3QT5qd3/data/cdffd066d/de0d55419ff54efd8fc91c733520dc1b/FLAGe40d6f88a [2024-11-25 03:34:54,228 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:34:54,232 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009e2f-303e-471a-aeaa-fb5723d387a9/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound5.c [2024-11-25 03:34:54,272 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009e2f-303e-471a-aeaa-fb5723d387a9/bin/ukojak-verify-ENZ3QT5qd3/data/cdffd066d/de0d55419ff54efd8fc91c733520dc1b/FLAGe40d6f88a [2024-11-25 03:34:54,301 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009e2f-303e-471a-aeaa-fb5723d387a9/bin/ukojak-verify-ENZ3QT5qd3/data/cdffd066d/de0d55419ff54efd8fc91c733520dc1b [2024-11-25 03:34:54,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:34:54,305 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:34:54,307 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:34:54,307 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:34:54,312 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:34:54,313 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:34:54" (1/1) ... [2024-11-25 03:34:54,314 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@508b877f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:54, skipping insertion in model container [2024-11-25 03:34:54,315 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:34:54" (1/1) ... [2024-11-25 03:34:54,331 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:34:54,513 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_90009e2f-303e-471a-aeaa-fb5723d387a9/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound5.c[454,467] [2024-11-25 03:34:54,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:34:54,548 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:34:54,561 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_90009e2f-303e-471a-aeaa-fb5723d387a9/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound5.c[454,467] [2024-11-25 03:34:54,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:34:54,586 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:34:54,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:54 WrapperNode [2024-11-25 03:34:54,587 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:34:54,589 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:34:54,589 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:34:54,589 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:34:54,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:54" (1/1) ... [2024-11-25 03:34:54,612 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:54" (1/1) ... [2024-11-25 03:34:54,634 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2024-11-25 03:34:54,635 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:34:54,636 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:34:54,636 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:34:54,636 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:34:54,644 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:54" (1/1) ... [2024-11-25 03:34:54,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:54" (1/1) ... [2024-11-25 03:34:54,651 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:54" (1/1) ... [2024-11-25 03:34:54,651 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:54" (1/1) ... [2024-11-25 03:34:54,654 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:54" (1/1) ... [2024-11-25 03:34:54,658 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:54" (1/1) ... [2024-11-25 03:34:54,664 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:54" (1/1) ... [2024-11-25 03:34:54,665 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:54" (1/1) ... [2024-11-25 03:34:54,666 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:54" (1/1) ... [2024-11-25 03:34:54,669 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:34:54,671 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:34:54,671 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:34:54,671 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:34:54,672 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:54" (1/1) ... [2024-11-25 03:34:54,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:34:54,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009e2f-303e-471a-aeaa-fb5723d387a9/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:34:54,715 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009e2f-303e-471a-aeaa-fb5723d387a9/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:34:54,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009e2f-303e-471a-aeaa-fb5723d387a9/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:34:54,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:34:54,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:34:54,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:34:54,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:34:54,752 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 03:34:54,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 03:34:54,818 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:34:54,820 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:34:54,987 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-25 03:34:54,987 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:34:55,051 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:34:55,051 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 03:34:55,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:34:55 BoogieIcfgContainer [2024-11-25 03:34:55,052 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:34:55,053 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:34:55,053 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:34:55,065 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:34:55,065 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:34:55" (1/1) ... [2024-11-25 03:34:55,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:34:55,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:34:55,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-25 03:34:55,151 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-25 03:34:55,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 03:34:55,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:34:55,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:34:55,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:34:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:34:55,332 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:34:55,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:34:55,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:34:55,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:34:55,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-25 03:34:55,548 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-25 03:34:55,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 03:34:55,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:34:55,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:34:55,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:34:55,911 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:34:56,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:34:56,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-25 03:34:56,345 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-25 03:34:56,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 03:34:56,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:34:56,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:34:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:34:56,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:34:56,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:34:56,412 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:34:56,502 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:34:56,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:34:56,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-11-25 03:34:56,748 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-11-25 03:34:56,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:34:56,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:34:56,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:34:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:34:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:34:56,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 03:34:56,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:34:56,959 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 03:34:57,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:34:57,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-25 03:34:57,270 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-25 03:34:57,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 03:34:57,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:34:57,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:34:57,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:34:57,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:34:57,318 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:34:57,320 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:34:57,480 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:34:57,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:34:57,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2024-11-25 03:34:57,902 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2024-11-25 03:34:57,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 03:34:57,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:34:57,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:34:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:34:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:34:57,988 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 03:34:57,991 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:34:58,136 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-25 03:34:58,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:34:58,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2024-11-25 03:34:58,508 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2024-11-25 03:34:58,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 03:34:58,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:34:58,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:34:58,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:34:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:34:58,591 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-25 03:34:58,594 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:34:58,737 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 10 proven. 25 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-25 03:34:59,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:34:59,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 25 states and 38 transitions. [2024-11-25 03:34:59,164 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2024-11-25 03:34:59,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-25 03:34:59,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:34:59,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:34:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:34:59,651 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 38 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-25 03:35:01,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:35:01,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 20 states and 30 transitions. [2024-11-25 03:35:01,443 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2024-11-25 03:35:01,444 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 03:35:01,444 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-11-25 03:35:01,453 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 03:35:01,693 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 03:35:01,693 INFO L77 FloydHoareUtils]: At program point L27-2(lines 27 36) the Hoare annotation is: true [2024-11-25 03:35:01,694 INFO L77 FloydHoareUtils]: At program point L27-3(lines 27 36) the Hoare annotation is: (= (* 2 |ULTIMATE.start_main_~x~0#1|) (+ |ULTIMATE.start_main_~y~0#1| (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) [2024-11-25 03:35:01,694 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 03:35:01,694 INFO L77 FloydHoareUtils]: At program point L28(lines 27 36) the Hoare annotation is: (= (* 2 |ULTIMATE.start_main_~x~0#1|) (+ |ULTIMATE.start_main_~y~0#1| (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) [2024-11-25 03:35:01,694 INFO L77 FloydHoareUtils]: At program point L37(line 37) the Hoare annotation is: true [2024-11-25 03:35:01,694 INFO L77 FloydHoareUtils]: At program point L11(lines 11 12) the Hoare annotation is: true [2024-11-25 03:35:01,695 INFO L77 FloydHoareUtils]: At program point L10(lines 10 13) the Hoare annotation is: (or (= __VERIFIER_assert_~cond 0) (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (= __VERIFIER_assert_~cond 1))) [2024-11-25 03:35:01,695 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-25 03:35:01,695 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 9 15) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| 0)) (not (= |__VERIFIER_assert_#in~cond| 1)))) [2024-11-25 03:35:01,695 INFO L77 FloydHoareUtils]: At program point L10-2(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-25 03:35:01,695 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) the Hoare annotation is: true [2024-11-25 03:35:01,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:35:01 ImpRootNode [2024-11-25 03:35:01,712 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:35:01,713 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:35:01,713 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:35:01,713 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:35:01,714 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:34:55" (3/4) ... [2024-11-25 03:35:01,717 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 03:35:01,721 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-25 03:35:01,724 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-25 03:35:01,725 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-25 03:35:01,725 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 03:35:01,725 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 03:35:01,818 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009e2f-303e-471a-aeaa-fb5723d387a9/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:35:01,818 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009e2f-303e-471a-aeaa-fb5723d387a9/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:35:01,819 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:35:01,822 INFO L158 Benchmark]: Toolchain (without parser) took 7514.37ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 93.8MB in the beginning and 75.3MB in the end (delta: 18.5MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2024-11-25 03:35:01,822 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 167.8MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:35:01,823 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.07ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 82.6MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:35:01,823 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.09ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 81.6MB in the end (delta: 993.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:35:01,823 INFO L158 Benchmark]: Boogie Preprocessor took 34.13ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.9MB in the end (delta: 671.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:35:01,824 INFO L158 Benchmark]: RCFGBuilder took 381.27ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 69.5MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:35:01,824 INFO L158 Benchmark]: CodeCheck took 6659.50ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 69.5MB in the beginning and 80.7MB in the end (delta: -11.3MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2024-11-25 03:35:01,824 INFO L158 Benchmark]: Witness Printer took 105.64ms. Allocated memory is still 142.6MB. Free memory was 79.6MB in the beginning and 75.3MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:35:01,829 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: 6.4s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 127 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 42 mSDsluCounter, 136 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 68 mSDsCounter, 352 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 696 IncrementalHoareTripleChecker+Invalid, 1048 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 352 mSolverCounterUnsat, 68 mSDtfsCounter, 696 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1199 GetRequests, 1068 SyntacticMatches, 35 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3402 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 172 NumberOfCodeBlocks, 172 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 498 SizeOfPredicates, 6 NumberOfNonLiveVariables, 474 ConjunctsInSsa, 121 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 204/275 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: ((cond == 0) || (cond == 1)) Ensures: (cond != 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72ms. Allocated memory is still 167.8MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.07ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 82.6MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.09ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 81.6MB in the end (delta: 993.9kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.13ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.9MB in the end (delta: 671.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 381.27ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 69.5MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 6659.50ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 69.5MB in the beginning and 80.7MB in the end (delta: -11.3MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * Witness Printer took 105.64ms. Allocated memory is still 142.6MB. Free memory was 79.6MB in the beginning and 75.3MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 03:35:01,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009e2f-303e-471a-aeaa-fb5723d387a9/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE