./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-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_3d4e6538-8662-4277-96fe-a2ebc9a7102d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4e6538-8662-4277-96fe-a2ebc9a7102d/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_3d4e6538-8662-4277-96fe-a2ebc9a7102d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4e6538-8662-4277-96fe-a2ebc9a7102d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4e6538-8662-4277-96fe-a2ebc9a7102d/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_3d4e6538-8662-4277-96fe-a2ebc9a7102d/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 43376722323826500a761ffc1d9cda6feba6cccfea02d261fb13a7ea82eabf03 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:21:08,040 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:21:08,096 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4e6538-8662-4277-96fe-a2ebc9a7102d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:21:08,100 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:21:08,100 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:21:08,119 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:21:08,120 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:21:08,120 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:21:08,120 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:21:08,121 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:21:08,121 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:21:08,121 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:21:08,121 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:21:08,121 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:21:08,121 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:21:08,121 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:21:08,121 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:21:08,121 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:21:08,121 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:21:08,121 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:21:08,122 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:21:08,122 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:21:08,122 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:21:08,122 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:21:08,122 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:21:08,122 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:21:08,122 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:21:08,122 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:21:08,122 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:21:08,122 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:21:08,122 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:21:08,122 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:21:08,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:21:08,123 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_3d4e6538-8662-4277-96fe-a2ebc9a7102d/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 -> 43376722323826500a761ffc1d9cda6feba6cccfea02d261fb13a7ea82eabf03 [2024-12-06 01:21:08,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:21:08,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:21:08,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:21:08,382 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:21:08,382 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:21:08,384 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4e6538-8662-4277-96fe-a2ebc9a7102d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound1.c [2024-12-06 01:21:11,032 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4e6538-8662-4277-96fe-a2ebc9a7102d/bin/ukojak-verify-CZk0znPC7b/data/42520bfa9/a85d911cd6e144ad9b3133a5d6566862/FLAG23eaac3fd [2024-12-06 01:21:11,239 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:21:11,239 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4e6538-8662-4277-96fe-a2ebc9a7102d/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound1.c [2024-12-06 01:21:11,246 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4e6538-8662-4277-96fe-a2ebc9a7102d/bin/ukojak-verify-CZk0znPC7b/data/42520bfa9/a85d911cd6e144ad9b3133a5d6566862/FLAG23eaac3fd [2024-12-06 01:21:11,625 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4e6538-8662-4277-96fe-a2ebc9a7102d/bin/ukojak-verify-CZk0znPC7b/data/42520bfa9/a85d911cd6e144ad9b3133a5d6566862 [2024-12-06 01:21:11,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:21:11,629 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:21:11,630 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:21:11,630 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:21:11,633 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:21:11,634 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:21:11" (1/1) ... [2024-12-06 01:21:11,634 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6be2874f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:11, skipping insertion in model container [2024-12-06 01:21:11,635 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:21:11" (1/1) ... [2024-12-06 01:21:11,645 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:21:11,758 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_3d4e6538-8662-4277-96fe-a2ebc9a7102d/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound1.c[525,538] [2024-12-06 01:21:11,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:21:11,780 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:21:11,792 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_3d4e6538-8662-4277-96fe-a2ebc9a7102d/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound1.c[525,538] [2024-12-06 01:21:11,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:21:11,808 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:21:11,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:11 WrapperNode [2024-12-06 01:21:11,809 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:21:11,809 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:21:11,809 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:21:11,809 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:21:11,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:11" (1/1) ... [2024-12-06 01:21:11,819 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:11" (1/1) ... [2024-12-06 01:21:11,831 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 49 [2024-12-06 01:21:11,831 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:21:11,832 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:21:11,832 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:21:11,832 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:21:11,837 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:11" (1/1) ... [2024-12-06 01:21:11,838 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:11" (1/1) ... [2024-12-06 01:21:11,838 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:11" (1/1) ... [2024-12-06 01:21:11,839 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:11" (1/1) ... [2024-12-06 01:21:11,841 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:11" (1/1) ... [2024-12-06 01:21:11,842 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:11" (1/1) ... [2024-12-06 01:21:11,844 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:11" (1/1) ... [2024-12-06 01:21:11,845 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:11" (1/1) ... [2024-12-06 01:21:11,846 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:11" (1/1) ... [2024-12-06 01:21:11,847 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:21:11,848 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:21:11,849 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:21:11,849 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:21:11,850 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:11" (1/1) ... [2024-12-06 01:21:11,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:21:11,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4e6538-8662-4277-96fe-a2ebc9a7102d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:21:11,883 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4e6538-8662-4277-96fe-a2ebc9a7102d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:21:11,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4e6538-8662-4277-96fe-a2ebc9a7102d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:21:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:21:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:21:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:21:11,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:21:11,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:21:11,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:21:11,961 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:21:11,963 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:21:12,069 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 01:21:12,069 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:21:12,089 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:21:12,089 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:21:12,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:21:12 BoogieIcfgContainer [2024-12-06 01:21:12,089 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:21:12,090 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:21:12,090 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:21:12,097 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:21:12,097 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:21:12" (1/1) ... [2024-12-06 01:21:12,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:21:12,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:21:12,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-12-06 01:21:12,153 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-12-06 01:21:12,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 01:21:12,157 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:21:12,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:21:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:12,275 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 01:21:12,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:21:12,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-12-06 01:21:12,293 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-06 01:21:12,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:21:12,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:21:12,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:21:12,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:21:12,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:12,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 01:21:12,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:21:12,492 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 01:21:12,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:21:12,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-06 01:21:12,592 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-06 01:21:12,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:21:12,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:21:12,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:21:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:12,693 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 01:21:12,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:21:12,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-12-06 01:21:12,949 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-12-06 01:21:12,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:21:12,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:21:12,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:21:12,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:13,181 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 01:21:13,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:21:13,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-12-06 01:21:13,626 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-12-06 01:21:13,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 01:21:13,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:21:13,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:21:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:13,830 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 01:21:15,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:21:15,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-12-06 01:21:15,101 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-12-06 01:21:15,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 01:21:15,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:21:15,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:21:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:21:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:15,242 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-06 01:21:15,244 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:21:15,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:21:28,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:21:28,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 49 transitions. [2024-12-06 01:21:28,483 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2024-12-06 01:21:28,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 01:21:28,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:21:28,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:21:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:28,576 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 01:21:28,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:21:28,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 16 states and 18 transitions. [2024-12-06 01:21:28,885 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-12-06 01:21:28,885 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 01:21:28,886 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-12-06 01:21:28,894 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 01:21:29,388 INFO L77 FloydHoareUtils]: At program point L35-2(lines 35 44) the Hoare annotation is: true [2024-12-06 01:21:29,388 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 01:21:29,389 INFO L77 FloydHoareUtils]: At program point L35-4(lines 35 44) the Hoare annotation is: true [2024-12-06 01:21:29,389 INFO L77 FloydHoareUtils]: At program point L35-5(lines 35 44) the Hoare annotation is: true [2024-12-06 01:21:29,389 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 01:21:29,389 INFO L77 FloydHoareUtils]: At program point L36(lines 35 44) the Hoare annotation is: (= (mod (+ (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~z~0#1|) |ULTIMATE.start_main_~a~0#1| (* 18446744073709551615 |ULTIMATE.start_main_~az~0#1| |ULTIMATE.start_main_~y~0#1|) (* 18446744073709551615 |ULTIMATE.start_main_~x~0#1|)) 18446744073709551616) 0) [2024-12-06 01:21:29,389 INFO L77 FloydHoareUtils]: At program point L45(line 45) the Hoare annotation is: true [2024-12-06 01:21:29,389 INFO L77 FloydHoareUtils]: At program point L35-1(lines 35 44) the Hoare annotation is: (not (and (< ~counter~0 1) (= |ULTIMATE.start_main_~y~0#1| 1) (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|) (= |ULTIMATE.start_main_#t~post7#1| 0) (= |ULTIMATE.start_main_~az~0#1| (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~z~0#1|)))) [2024-12-06 01:21:29,389 INFO L77 FloydHoareUtils]: At program point L16(lines 16 17) the Hoare annotation is: true [2024-12-06 01:21:29,390 INFO L77 FloydHoareUtils]: At program point L15(lines 15 18) the Hoare annotation is: (or (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 1 __VERIFIER_assert_~cond)) (= __VERIFIER_assert_~cond 0)) [2024-12-06 01:21:29,390 INFO L77 FloydHoareUtils]: At program point L15-2(lines 14 20) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-06 01:21:29,390 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 14 20) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-06 01:21:29,390 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 14 20) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| 0)) (< |__VERIFIER_assert_#in~cond| 1))) [2024-12-06 01:21:29,390 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 17) the Hoare annotation is: true [2024-12-06 01:21:29,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:21:29 ImpRootNode [2024-12-06 01:21:29,406 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:21:29,406 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:21:29,406 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:21:29,407 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:21:29,407 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:21:12" (3/4) ... [2024-12-06 01:21:29,409 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 01:21:29,411 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-12-06 01:21:29,414 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-12-06 01:21:29,414 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-06 01:21:29,414 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 01:21:29,414 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 01:21:29,474 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4e6538-8662-4277-96fe-a2ebc9a7102d/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:21:29,474 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4e6538-8662-4277-96fe-a2ebc9a7102d/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:21:29,474 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:21:29,475 INFO L158 Benchmark]: Toolchain (without parser) took 17846.00ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 92.8MB in the beginning and 127.0MB in the end (delta: -34.2MB). Peak memory consumption was 80.7MB. Max. memory is 16.1GB. [2024-12-06 01:21:29,475 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:21:29,476 INFO L158 Benchmark]: CACSL2BoogieTranslator took 178.98ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 81.3MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:21:29,476 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.11ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:21:29,476 INFO L158 Benchmark]: Boogie Preprocessor took 15.82ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.6MB in the end (delta: 655.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:21:29,477 INFO L158 Benchmark]: RCFGBuilder took 240.86ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 68.7MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:21:29,477 INFO L158 Benchmark]: CodeCheck took 17315.84ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 68.7MB in the beginning and 131.2MB in the end (delta: -62.5MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2024-12-06 01:21:29,477 INFO L158 Benchmark]: Witness Printer took 67.76ms. Allocated memory is still 234.9MB. Free memory was 131.2MB in the beginning and 127.0MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:21:29,479 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: 16.8s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 200 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 60 mSDsluCounter, 211 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 58 mSDsCounter, 182 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 459 IncrementalHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 182 mSolverCounterUnsat, 153 mSDtfsCounter, 459 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 742 GetRequests, 642 SyntacticMatches, 8 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3032 ImplicationChecksByTransitivity, 14.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 79 ConstructedInterpolants, 0 QuantifiedInterpolants, 374 SizeOfPredicates, 2 NumberOfNonLiveVariables, 123 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 19/27 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: 17]: 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: 14]: 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 0.33ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 178.98ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 81.3MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.11ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.82ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.6MB in the end (delta: 655.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 240.86ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 68.7MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 17315.84ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 68.7MB in the beginning and 131.2MB in the end (delta: -62.5MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. * Witness Printer took 67.76ms. Allocated memory is still 234.9MB. Free memory was 131.2MB in the beginning and 127.0MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 01:21:29,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4e6538-8662-4277-96fe-a2ebc9a7102d/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