./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound1.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_9a6ab240-49f3-46ad-ba3c-046cb25ca606/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6ab240-49f3-46ad-ba3c-046cb25ca606/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_9a6ab240-49f3-46ad-ba3c-046cb25ca606/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6ab240-49f3-46ad-ba3c-046cb25ca606/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6ab240-49f3-46ad-ba3c-046cb25ca606/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_9a6ab240-49f3-46ad-ba3c-046cb25ca606/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 6835a6a52b399101fa57284de792210b11ef12afe0f3073436fba94237f48f05 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:19:28,377 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:19:28,440 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6ab240-49f3-46ad-ba3c-046cb25ca606/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 02:19:28,445 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:19:28,445 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:19:28,465 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:19:28,466 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:19:28,466 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:19:28,466 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:19:28,466 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:19:28,467 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:19:28,467 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:19:28,467 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:19:28,467 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:19:28,467 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:19:28,467 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:19:28,467 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:19:28,467 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:19:28,467 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:19:28,467 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:19:28,467 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:19:28,468 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:19:28,468 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:19:28,468 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:19:28,468 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:19:28,468 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:19:28,468 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:19:28,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:19:28,468 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:19:28,468 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:19:28,468 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:19:28,469 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:19:28,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:19:28,469 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_9a6ab240-49f3-46ad-ba3c-046cb25ca606/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 -> 6835a6a52b399101fa57284de792210b11ef12afe0f3073436fba94237f48f05 [2024-12-06 02:19:28,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:19:28,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:19:28,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:19:28,719 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:19:28,719 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:19:28,720 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6ab240-49f3-46ad-ba3c-046cb25ca606/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound1.c [2024-12-06 02:19:31,299 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6ab240-49f3-46ad-ba3c-046cb25ca606/bin/ukojak-verify-CZk0znPC7b/data/512a0b198/87e9b49da8fd4351a71a7f45793afc0d/FLAG3afe7cdca [2024-12-06 02:19:31,496 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:19:31,496 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6ab240-49f3-46ad-ba3c-046cb25ca606/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound1.c [2024-12-06 02:19:31,501 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6ab240-49f3-46ad-ba3c-046cb25ca606/bin/ukojak-verify-CZk0znPC7b/data/512a0b198/87e9b49da8fd4351a71a7f45793afc0d/FLAG3afe7cdca [2024-12-06 02:19:31,512 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6ab240-49f3-46ad-ba3c-046cb25ca606/bin/ukojak-verify-CZk0znPC7b/data/512a0b198/87e9b49da8fd4351a71a7f45793afc0d [2024-12-06 02:19:31,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:19:31,515 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:19:31,516 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:19:31,516 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:19:31,520 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:19:31,521 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:19:31" (1/1) ... [2024-12-06 02:19:31,522 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6325cddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:19:31, skipping insertion in model container [2024-12-06 02:19:31,522 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:19:31" (1/1) ... [2024-12-06 02:19:31,536 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:19:31,655 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_9a6ab240-49f3-46ad-ba3c-046cb25ca606/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound1.c[458,471] [2024-12-06 02:19:31,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:19:31,672 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:19:31,679 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_9a6ab240-49f3-46ad-ba3c-046cb25ca606/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound1.c[458,471] [2024-12-06 02:19:31,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:19:31,692 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:19:31,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:19:31 WrapperNode [2024-12-06 02:19:31,693 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:19:31,693 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:19:31,693 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:19:31,693 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:19:31,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:19:31" (1/1) ... [2024-12-06 02:19:31,701 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:19:31" (1/1) ... [2024-12-06 02:19:31,712 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2024-12-06 02:19:31,712 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:19:31,712 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:19:31,712 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:19:31,712 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:19:31,717 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:19:31" (1/1) ... [2024-12-06 02:19:31,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:19:31" (1/1) ... [2024-12-06 02:19:31,718 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:19:31" (1/1) ... [2024-12-06 02:19:31,718 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:19:31" (1/1) ... [2024-12-06 02:19:31,720 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:19:31" (1/1) ... [2024-12-06 02:19:31,720 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:19:31" (1/1) ... [2024-12-06 02:19:31,723 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:19:31" (1/1) ... [2024-12-06 02:19:31,723 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:19:31" (1/1) ... [2024-12-06 02:19:31,724 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:19:31" (1/1) ... [2024-12-06 02:19:31,724 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:19:31,725 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:19:31,725 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:19:31,725 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:19:31,726 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:19:31" (1/1) ... [2024-12-06 02:19:31,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:19:31,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6ab240-49f3-46ad-ba3c-046cb25ca606/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:19:31,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6ab240-49f3-46ad-ba3c-046cb25ca606/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:19:31,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6ab240-49f3-46ad-ba3c-046cb25ca606/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:19:31,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:19:31,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:19:31,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:19:31,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:19:31,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 02:19:31,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 02:19:31,822 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:19:31,824 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:19:31,914 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-06 02:19:31,914 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:19:31,934 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:19:31,934 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:19:31,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:19:31 BoogieIcfgContainer [2024-12-06 02:19:31,934 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:19:31,935 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:19:31,935 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:19:31,943 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:19:31,943 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:19:31" (1/1) ... [2024-12-06 02:19:31,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:19:31,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:19:31,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-12-06 02:19:31,992 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-12-06 02:19:31,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 02:19:31,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:19:31,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:19:32,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:32,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:19:32,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:19:32,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-12-06 02:19:32,132 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-06 02:19:32,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:19:32,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:19:32,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:19:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:19:32,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:32,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 02:19:32,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:19:32,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:19:32,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:19:32,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-06 02:19:32,377 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-06 02:19:32,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:19:32,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:19:32,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:19:32,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:32,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:19:32,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:19:32,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-12-06 02:19:32,666 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-12-06 02:19:32,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 02:19:32,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:19:32,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:19:32,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:32,839 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:19:33,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:19:33,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-12-06 02:19:33,169 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-12-06 02:19:33,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 02:19:33,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:19:33,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:19:33,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:33,311 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:19:33,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:19:33,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-12-06 02:19:33,938 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-12-06 02:19:33,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 02:19:33,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:19:33,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:19:33,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:19:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:33,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 02:19:33,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:19:34,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:19:34,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:19:34,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 14 states and 15 transitions. [2024-12-06 02:19:34,498 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-06 02:19:34,498 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 02:19:34,498 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-12-06 02:19:34,506 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 02:19:34,671 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 02:19:34,671 INFO L77 FloydHoareUtils]: At program point L27-1(lines 27 36) the Hoare annotation is: (not (and (= |ULTIMATE.start_main_#t~post5#1| 0) (= |ULTIMATE.start_main_~y~0#1| 0) (< ~counter~0 1) (= |ULTIMATE.start_main_~x~0#1| 0))) [2024-12-06 02:19:34,671 INFO L77 FloydHoareUtils]: At program point L27-2(lines 27 36) the Hoare annotation is: true [2024-12-06 02:19:34,671 INFO L77 FloydHoareUtils]: At program point L27-4(lines 27 36) the Hoare annotation is: true [2024-12-06 02:19:34,671 INFO L77 FloydHoareUtils]: At program point L27-5(lines 27 36) the Hoare annotation is: true [2024-12-06 02:19:34,672 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 02:19:34,672 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|)) [2024-12-06 02:19:34,672 INFO L77 FloydHoareUtils]: At program point L37(line 37) the Hoare annotation is: true [2024-12-06 02:19:34,672 INFO L77 FloydHoareUtils]: At program point L11(lines 11 12) the Hoare annotation is: true [2024-12-06 02:19:34,672 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 02:19:34,672 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-06 02:19:34,672 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 02:19:34,672 INFO L77 FloydHoareUtils]: At program point L10-2(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-06 02:19:34,673 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) the Hoare annotation is: true [2024-12-06 02:19:34,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:19:34 ImpRootNode [2024-12-06 02:19:34,687 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:19:34,688 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:19:34,688 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:19:34,688 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:19:34,689 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:19:31" (3/4) ... [2024-12-06 02:19:34,691 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 02:19:34,694 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-12-06 02:19:34,697 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-12-06 02:19:34,697 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-06 02:19:34,697 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 02:19:34,698 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 02:19:34,765 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6ab240-49f3-46ad-ba3c-046cb25ca606/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 02:19:34,766 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6ab240-49f3-46ad-ba3c-046cb25ca606/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 02:19:34,766 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:19:34,767 INFO L158 Benchmark]: Toolchain (without parser) took 3251.49ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 43.2MB in the end (delta: 73.0MB). Peak memory consumption was 70.4MB. Max. memory is 16.1GB. [2024-12-06 02:19:34,767 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:19:34,767 INFO L158 Benchmark]: CACSL2BoogieTranslator took 177.11ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 105.2MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:19:34,767 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.58ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 104.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:19:34,768 INFO L158 Benchmark]: Boogie Preprocessor took 12.21ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 103.4MB in the end (delta: 670.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:19:34,768 INFO L158 Benchmark]: RCFGBuilder took 209.27ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 92.5MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:19:34,769 INFO L158 Benchmark]: CodeCheck took 2752.61ms. Allocated memory is still 142.6MB. Free memory was 92.5MB in the beginning and 47.0MB in the end (delta: 45.5MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. [2024-12-06 02:19:34,769 INFO L158 Benchmark]: Witness Printer took 77.79ms. Allocated memory is still 142.6MB. Free memory was 47.0MB in the beginning and 43.2MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:19:34,771 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, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 161 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 43 mSDsluCounter, 172 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 44 mSDsCounter, 125 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 300 IncrementalHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 125 mSolverCounterUnsat, 128 mSDtfsCounter, 300 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 552 GetRequests, 473 SyntacticMatches, 7 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1693 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 191 SizeOfPredicates, 2 NumberOfNonLiveVariables, 111 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 6/11 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) && (counter == \old(counter))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 177.11ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 105.2MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.58ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 104.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 12.21ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 103.4MB in the end (delta: 670.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 209.27ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 92.5MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 2752.61ms. Allocated memory is still 142.6MB. Free memory was 92.5MB in the beginning and 47.0MB in the end (delta: 45.5MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. * Witness Printer took 77.79ms. Allocated memory is still 142.6MB. Free memory was 47.0MB in the beginning and 43.2MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 02:19:34,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6ab240-49f3-46ad-ba3c-046cb25ca606/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