./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/gsv2008.c.i.v+lhb-reducer.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_744cc3b1-7d70-4cfc-bf8d-17d29c963daf/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744cc3b1-7d70-4cfc-bf8d-17d29c963daf/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744cc3b1-7d70-4cfc-bf8d-17d29c963daf/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744cc3b1-7d70-4cfc-bf8d-17d29c963daf/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/gsv2008.c.i.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744cc3b1-7d70-4cfc-bf8d-17d29c963daf/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744cc3b1-7d70-4cfc-bf8d-17d29c963daf/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2f79720b54b4b9430b2efff386b59c4cac88edea0ef8f0ba223c5daccad25b87 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:40:47,466 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:40:47,545 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744cc3b1-7d70-4cfc-bf8d-17d29c963daf/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:40:47,552 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:40:47,555 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:40:47,590 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:40:47,591 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:40:47,593 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:40:47,593 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:40:47,594 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:40:47,595 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:40:47,595 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:40:47,595 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:40:47,595 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:40:47,595 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:40:47,595 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:40:47,595 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:40:47,595 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:40:47,596 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:40:47,596 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:40:47,596 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:40:47,596 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:40:47,596 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:40:47,596 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:40:47,596 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:40:47,596 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:40:47,596 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:40:47,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:40:47,598 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:40:47,598 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:40:47,598 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:40:47,599 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:40:47,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:40:47,599 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_744cc3b1-7d70-4cfc-bf8d-17d29c963daf/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f79720b54b4b9430b2efff386b59c4cac88edea0ef8f0ba223c5daccad25b87 [2024-11-25 03:40:47,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:40:47,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:40:47,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:40:47,926 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:40:47,927 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:40:47,928 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744cc3b1-7d70-4cfc-bf8d-17d29c963daf/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/loop-lit/gsv2008.c.i.v+lhb-reducer.c [2024-11-25 03:40:50,973 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744cc3b1-7d70-4cfc-bf8d-17d29c963daf/bin/ukojak-verify-ENZ3QT5qd3/data/704d7dae7/ad776bb17aac40fbbd5d7549ffdfabc2/FLAG437eb90a9 [2024-11-25 03:40:51,274 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:40:51,275 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744cc3b1-7d70-4cfc-bf8d-17d29c963daf/sv-benchmarks/c/loop-lit/gsv2008.c.i.v+lhb-reducer.c [2024-11-25 03:40:51,286 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744cc3b1-7d70-4cfc-bf8d-17d29c963daf/bin/ukojak-verify-ENZ3QT5qd3/data/704d7dae7/ad776bb17aac40fbbd5d7549ffdfabc2/FLAG437eb90a9 [2024-11-25 03:40:51,314 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744cc3b1-7d70-4cfc-bf8d-17d29c963daf/bin/ukojak-verify-ENZ3QT5qd3/data/704d7dae7/ad776bb17aac40fbbd5d7549ffdfabc2 [2024-11-25 03:40:51,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:40:51,318 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:40:51,320 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:40:51,320 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:40:51,325 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:40:51,326 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:40:51" (1/1) ... [2024-11-25 03:40:51,327 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e901dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:51, skipping insertion in model container [2024-11-25 03:40:51,327 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:40:51" (1/1) ... [2024-11-25 03:40:51,348 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:40:51,556 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_744cc3b1-7d70-4cfc-bf8d-17d29c963daf/sv-benchmarks/c/loop-lit/gsv2008.c.i.v+lhb-reducer.c[1238,1251] [2024-11-25 03:40:51,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:40:51,575 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:40:51,594 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_744cc3b1-7d70-4cfc-bf8d-17d29c963daf/sv-benchmarks/c/loop-lit/gsv2008.c.i.v+lhb-reducer.c[1238,1251] [2024-11-25 03:40:51,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:40:51,616 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:40:51,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:51 WrapperNode [2024-11-25 03:40:51,617 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:40:51,618 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:40:51,618 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:40:51,619 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:40:51,633 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:51" (1/1) ... [2024-11-25 03:40:51,640 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:51" (1/1) ... [2024-11-25 03:40:51,660 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2024-11-25 03:40:51,661 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:40:51,662 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:40:51,662 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:40:51,662 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:40:51,669 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:51" (1/1) ... [2024-11-25 03:40:51,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:51" (1/1) ... [2024-11-25 03:40:51,673 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:51" (1/1) ... [2024-11-25 03:40:51,673 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:51" (1/1) ... [2024-11-25 03:40:51,676 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:51" (1/1) ... [2024-11-25 03:40:51,679 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:51" (1/1) ... [2024-11-25 03:40:51,685 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:51" (1/1) ... [2024-11-25 03:40:51,686 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:51" (1/1) ... [2024-11-25 03:40:51,687 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:51" (1/1) ... [2024-11-25 03:40:51,688 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:40:51,689 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:40:51,692 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:40:51,692 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:40:51,693 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:51" (1/1) ... [2024-11-25 03:40:51,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:40:51,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744cc3b1-7d70-4cfc-bf8d-17d29c963daf/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:40:51,729 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744cc3b1-7d70-4cfc-bf8d-17d29c963daf/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:40:51,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744cc3b1-7d70-4cfc-bf8d-17d29c963daf/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:40:51,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:40:51,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:40:51,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:40:51,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:40:51,833 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:40:51,836 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:40:51,986 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-25 03:40:51,986 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:40:52,023 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:40:52,023 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:40:52,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:40:52 BoogieIcfgContainer [2024-11-25 03:40:52,024 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:40:52,025 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:40:52,025 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:40:52,039 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:40:52,041 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:40:52" (1/1) ... [2024-11-25 03:40:52,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:40:52,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:52,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2024-11-25 03:40:52,104 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2024-11-25 03:40:52,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 03:40:52,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:52,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:40:52,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:52,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:40:52,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:52,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2024-11-25 03:40:52,577 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2024-11-25 03:40:52,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 03:40:52,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:52,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:40:52,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:52,802 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:40:52,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:52,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 16 states and 22 transitions. [2024-11-25 03:40:52,961 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2024-11-25 03:40:52,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 03:40:52,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:52,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:40:52,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:53,106 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 03:40:53,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:53,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2024-11-25 03:40:53,341 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2024-11-25 03:40:53,341 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 03:40:53,341 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2024-11-25 03:40:53,354 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 03:40:53,482 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 03:40:53,483 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 03:40:53,485 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 14 74) the Hoare annotation is: true [2024-11-25 03:40:53,485 INFO L77 FloydHoareUtils]: At program point L40(lines 40 66) the Hoare annotation is: (not (and (< (* 2 |ULTIMATE.start_main_~main__y~0#1|) (+ 53 |ULTIMATE.start_main_~main__x~0#1|)) (< |ULTIMATE.start_main_~main__y~0#1| (+ 2 |ULTIMATE.start_main_~main__x~0#1|)))) [2024-11-25 03:40:53,485 INFO L77 FloydHoareUtils]: At program point L38(lines 33 67) the Hoare annotation is: (not (and (< (* 2 |ULTIMATE.start_main_~main__y~0#1|) (+ 53 |ULTIMATE.start_main_~main__x~0#1|)) (< |ULTIMATE.start_main_~main__y~0#1| (+ 2 |ULTIMATE.start_main_~main__x~0#1|)))) [2024-11-25 03:40:53,486 INFO L77 FloydHoareUtils]: At program point L32(lines 32 71) the Hoare annotation is: (<= (+ |ULTIMATE.start_main_~main__x~0#1| 50) 0) [2024-11-25 03:40:53,486 INFO L77 FloydHoareUtils]: At program point L26(lines 26 72) the Hoare annotation is: (<= (+ |ULTIMATE.start_main_~main__x~0#1| 50) 0) [2024-11-25 03:40:53,486 INFO L75 FloydHoareUtils]: For program point L57(line 57) no Hoare annotation was computed. [2024-11-25 03:40:53,486 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 57) no Hoare annotation was computed. [2024-11-25 03:40:53,486 INFO L77 FloydHoareUtils]: At program point L55(lines 55 64) the Hoare annotation is: (not (= |ULTIMATE.start_main_~__VERIFIER_assert__cond~0#1| 0)) [2024-11-25 03:40:53,486 INFO L77 FloydHoareUtils]: At program point L20(lines 20 73) the Hoare annotation is: (<= (+ |ULTIMATE.start_main_~main__x~0#1| 50) 0) [2024-11-25 03:40:53,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:40:53 ImpRootNode [2024-11-25 03:40:53,504 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:40:53,505 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:40:53,505 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:40:53,505 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:40:53,506 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:40:52" (3/4) ... [2024-11-25 03:40:53,508 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 03:40:53,517 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-25 03:40:53,517 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-25 03:40:53,517 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 03:40:53,517 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 03:40:53,606 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744cc3b1-7d70-4cfc-bf8d-17d29c963daf/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:40:53,606 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744cc3b1-7d70-4cfc-bf8d-17d29c963daf/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:40:53,606 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:40:53,610 INFO L158 Benchmark]: Toolchain (without parser) took 2288.82ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 87.2MB in the end (delta: 19.5MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2024-11-25 03:40:53,611 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:40:53,611 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.47ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 95.3MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:40:53,611 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.39ms. Allocated memory is still 142.6MB. Free memory was 95.3MB in the beginning and 94.3MB in the end (delta: 992.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:40:53,611 INFO L158 Benchmark]: Boogie Preprocessor took 26.21ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 93.5MB in the end (delta: 721.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:40:53,612 INFO L158 Benchmark]: RCFGBuilder took 335.40ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 82.5MB in the end (delta: 11.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:40:53,612 INFO L158 Benchmark]: CodeCheck took 1479.14ms. Allocated memory is still 142.6MB. Free memory was 82.5MB in the beginning and 92.0MB in the end (delta: -9.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:40:53,612 INFO L158 Benchmark]: Witness Printer took 101.48ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 87.2MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:40:53,614 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 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 52 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 63 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 87 IncrementalHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 33 mSDtfsCounter, 87 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 241 GetRequests, 218 SyntacticMatches, 5 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 96 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 6/8 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: 57]: 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 - InvariantResult [Line: 33]: Location Invariant Derived location invariant: !((((long long) 2 * main__y) < ((long long) 53 + main__x)) && (main__y < ((long long) 2 + main__x))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.47ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 95.3MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.39ms. Allocated memory is still 142.6MB. Free memory was 95.3MB in the beginning and 94.3MB in the end (delta: 992.2kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.21ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 93.5MB in the end (delta: 721.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 335.40ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 82.5MB in the end (delta: 11.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1479.14ms. Allocated memory is still 142.6MB. Free memory was 82.5MB in the beginning and 92.0MB in the end (delta: -9.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 101.48ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 87.2MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 03:40:53,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744cc3b1-7d70-4cfc-bf8d-17d29c963daf/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE