./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound1.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_990255fe-f615-4acd-987b-31af40924fb1/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990255fe-f615-4acd-987b-31af40924fb1/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_990255fe-f615-4acd-987b-31af40924fb1/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990255fe-f615-4acd-987b-31af40924fb1/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990255fe-f615-4acd-987b-31af40924fb1/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_990255fe-f615-4acd-987b-31af40924fb1/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 87608ec580cc80a59c7836f9aeadd0fc773dea5ebb620dd020651936daa4e397 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:55:19,934 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:55:19,986 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990255fe-f615-4acd-987b-31af40924fb1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 04:55:19,991 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:55:19,991 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:55:20,008 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:55:20,009 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:55:20,009 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:55:20,010 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:55:20,010 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:55:20,010 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:55:20,010 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:55:20,010 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:55:20,010 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:55:20,010 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:55:20,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:55:20,011 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:55:20,011 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:55:20,011 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:55:20,011 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:55:20,011 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:55:20,011 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:55:20,011 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:55:20,011 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:55:20,011 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:55:20,011 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:55:20,012 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:55:20,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:55:20,012 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:55:20,012 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:55:20,012 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:55:20,012 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:55:20,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:55:20,012 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_990255fe-f615-4acd-987b-31af40924fb1/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 -> 87608ec580cc80a59c7836f9aeadd0fc773dea5ebb620dd020651936daa4e397 [2024-12-06 04:55:20,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:55:20,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:55:20,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:55:20,224 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:55:20,224 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:55:20,225 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990255fe-f615-4acd-987b-31af40924fb1/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound1.c [2024-12-06 04:55:22,811 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990255fe-f615-4acd-987b-31af40924fb1/bin/ukojak-verify-CZk0znPC7b/data/bb01dede3/eebe5bdac2ae48ec8e67ddb09b2c49a2/FLAGc7bb7bb0f [2024-12-06 04:55:23,014 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:55:23,014 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990255fe-f615-4acd-987b-31af40924fb1/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound1.c [2024-12-06 04:55:23,020 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990255fe-f615-4acd-987b-31af40924fb1/bin/ukojak-verify-CZk0znPC7b/data/bb01dede3/eebe5bdac2ae48ec8e67ddb09b2c49a2/FLAGc7bb7bb0f [2024-12-06 04:55:23,399 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990255fe-f615-4acd-987b-31af40924fb1/bin/ukojak-verify-CZk0znPC7b/data/bb01dede3/eebe5bdac2ae48ec8e67ddb09b2c49a2 [2024-12-06 04:55:23,401 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:55:23,402 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:55:23,404 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:55:23,404 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:55:23,407 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:55:23,407 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:55:23" (1/1) ... [2024-12-06 04:55:23,408 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f271163 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:55:23, skipping insertion in model container [2024-12-06 04:55:23,408 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:55:23" (1/1) ... [2024-12-06 04:55:23,418 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:55:23,521 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_990255fe-f615-4acd-987b-31af40924fb1/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound1.c[458,471] [2024-12-06 04:55:23,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:55:23,546 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:55:23,553 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_990255fe-f615-4acd-987b-31af40924fb1/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound1.c[458,471] [2024-12-06 04:55:23,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:55:23,570 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:55:23,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:55:23 WrapperNode [2024-12-06 04:55:23,571 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:55:23,571 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:55:23,571 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:55:23,571 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:55:23,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:55:23" (1/1) ... [2024-12-06 04:55:23,580 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:55:23" (1/1) ... [2024-12-06 04:55:23,592 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2024-12-06 04:55:23,593 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:55:23,593 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:55:23,593 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:55:23,593 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:55:23,601 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:55:23" (1/1) ... [2024-12-06 04:55:23,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:55:23" (1/1) ... [2024-12-06 04:55:23,602 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:55:23" (1/1) ... [2024-12-06 04:55:23,602 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:55:23" (1/1) ... [2024-12-06 04:55:23,604 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:55:23" (1/1) ... [2024-12-06 04:55:23,605 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:55:23" (1/1) ... [2024-12-06 04:55:23,608 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:55:23" (1/1) ... [2024-12-06 04:55:23,609 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:55:23" (1/1) ... [2024-12-06 04:55:23,609 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:55:23" (1/1) ... [2024-12-06 04:55:23,610 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:55:23,611 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:55:23,611 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:55:23,611 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:55:23,612 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:55:23" (1/1) ... [2024-12-06 04:55:23,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:55:23,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990255fe-f615-4acd-987b-31af40924fb1/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:55:23,641 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990255fe-f615-4acd-987b-31af40924fb1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:55:23,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990255fe-f615-4acd-987b-31af40924fb1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:55:23,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:55:23,671 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 04:55:23,671 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 04:55:23,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:55:23,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:55:23,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:55:23,671 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 04:55:23,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 04:55:23,723 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:55:23,725 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:55:23,833 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-06 04:55:23,833 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:55:23,857 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:55:23,857 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 04:55:23,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:55:23 BoogieIcfgContainer [2024-12-06 04:55:23,857 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:55:23,858 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:55:23,858 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:55:23,868 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:55:23,868 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:55:23" (1/1) ... [2024-12-06 04:55:23,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:55:23,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:55:23,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-12-06 04:55:23,927 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-12-06 04:55:23,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:55:23,932 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:55:23,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:55:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:55:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:55:24,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:55:24,071 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:55:24,164 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:55:24,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:55:24,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-12-06 04:55:24,264 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-12-06 04:55:24,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 04:55:24,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:55:24,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:55:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:55:24,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:55:24,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:55:24,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-12-06 04:55:24,867 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-12-06 04:55:24,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 04:55:24,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:55:24,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:55:24,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:55:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:55:24,907 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 04:55:24,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:55:24,963 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:55:25,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:55:25,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-12-06 04:55:25,204 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-12-06 04:55:25,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 04:55:25,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:55:25,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:55:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:55:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:55:25,243 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 04:55:25,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:55:25,282 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 04:55:25,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:55:25,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2024-12-06 04:55:25,337 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-12-06 04:55:25,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 04:55:25,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:55:25,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:55:25,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:55:25,559 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 04:55:26,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:55:26,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 24 states and 30 transitions. [2024-12-06 04:55:26,187 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2024-12-06 04:55:26,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 04:55:26,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:55:26,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:55:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:55:26,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:55:26,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:55:26,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:55:26,426 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-06 04:55:27,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:55:27,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 20 states and 26 transitions. [2024-12-06 04:55:27,285 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-12-06 04:55:27,285 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 04:55:27,286 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-12-06 04:55:27,294 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 04:55:27,455 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 04:55:27,455 INFO L77 FloydHoareUtils]: At program point L29(lines 28 37) the Hoare annotation is: (= (+ (* 6 (* |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| |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|)) (* 5 (* |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_~x~0#1| 12) (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) [2024-12-06 04:55:27,455 INFO L77 FloydHoareUtils]: At program point L21(line 21) the Hoare annotation is: true [2024-12-06 04:55:27,455 INFO L77 FloydHoareUtils]: At program point L21-1(line 21) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~k~0#1| 1)) [2024-12-06 04:55:27,456 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 04:55:27,456 INFO L77 FloydHoareUtils]: At program point L40(line 40) the Hoare annotation is: true [2024-12-06 04:55:27,456 INFO L77 FloydHoareUtils]: At program point L28-2(lines 28 37) the Hoare annotation is: true [2024-12-06 04:55:27,456 INFO L77 FloydHoareUtils]: At program point L28-3(lines 28 37) the Hoare annotation is: (= (+ (* 6 (* |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| |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|)) (* 5 (* |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_~x~0#1| 12) (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) [2024-12-06 04:55:27,456 INFO L77 FloydHoareUtils]: At program point L22(line 22) the Hoare annotation is: true [2024-12-06 04:55:27,456 INFO L77 FloydHoareUtils]: At program point L39(line 39) the Hoare annotation is: true [2024-12-06 04:55:27,456 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 6 8) the Hoare annotation is: true [2024-12-06 04:55:27,456 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 6 8) the Hoare annotation is: (not (= |assume_abort_if_not_#in~cond| 0)) [2024-12-06 04:55:27,456 INFO L77 FloydHoareUtils]: At program point L11(lines 11 12) the Hoare annotation is: true [2024-12-06 04:55:27,456 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)) [2024-12-06 04:55:27,457 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-06 04:55:27,457 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))) [2024-12-06 04:55:27,457 INFO L77 FloydHoareUtils]: At program point L10-2(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-06 04:55:27,457 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) the Hoare annotation is: true [2024-12-06 04:55:27,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:55:27 ImpRootNode [2024-12-06 04:55:27,474 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:55:27,475 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:55:27,475 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:55:27,475 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:55:27,476 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:55:23" (3/4) ... [2024-12-06 04:55:27,478 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 04:55:27,481 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-06 04:55:27,481 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-12-06 04:55:27,484 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-12-06 04:55:27,485 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-06 04:55:27,485 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 04:55:27,485 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 04:55:27,559 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990255fe-f615-4acd-987b-31af40924fb1/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 04:55:27,560 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990255fe-f615-4acd-987b-31af40924fb1/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 04:55:27,560 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:55:27,561 INFO L158 Benchmark]: Toolchain (without parser) took 4157.93ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 93.0MB in the beginning and 78.3MB in the end (delta: 14.8MB). Peak memory consumption was 105.3MB. Max. memory is 16.1GB. [2024-12-06 04:55:27,561 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:55:27,561 INFO L158 Benchmark]: CACSL2BoogieTranslator took 167.32ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 81.7MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:55:27,562 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.40ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:55:27,562 INFO L158 Benchmark]: Boogie Preprocessor took 17.22ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.7MB in the end (delta: 865.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:55:27,562 INFO L158 Benchmark]: RCFGBuilder took 246.57ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 68.6MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:55:27,563 INFO L158 Benchmark]: CodeCheck took 3616.29ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 68.6MB in the beginning and 82.8MB in the end (delta: -14.2MB). Peak memory consumption was 80.1MB. Max. memory is 16.1GB. [2024-12-06 04:55:27,563 INFO L158 Benchmark]: Witness Printer took 84.87ms. Allocated memory is still 209.7MB. Free memory was 82.8MB in the beginning and 78.3MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:55:27,565 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 3 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 194 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 118 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 34 mSDsCounter, 208 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 506 IncrementalHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 208 mSolverCounterUnsat, 84 mSDtfsCounter, 506 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 958 GetRequests, 875 SyntacticMatches, 11 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1855 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 124 NumberOfCodeBlocks, 124 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 118 ConstructedInterpolants, 0 QuantifiedInterpolants, 337 SizeOfPredicates, 4 NumberOfNonLiveVariables, 270 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 50/57 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: 6]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) - 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 0.33ms. Allocated memory is still 117.4MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 167.32ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 81.7MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.40ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.22ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.7MB in the end (delta: 865.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 246.57ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 68.6MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 3616.29ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 68.6MB in the beginning and 82.8MB in the end (delta: -14.2MB). Peak memory consumption was 80.1MB. Max. memory is 16.1GB. * Witness Printer took 84.87ms. Allocated memory is still 209.7MB. Free memory was 82.8MB in the beginning and 78.3MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 04:55:27,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990255fe-f615-4acd-987b-31af40924fb1/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