./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/gsv2008.c.i.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be56aaa6-08f9-4f05-8a51-23c1f3fc0986/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be56aaa6-08f9-4f05-8a51-23c1f3fc0986/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be56aaa6-08f9-4f05-8a51-23c1f3fc0986/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be56aaa6-08f9-4f05-8a51-23c1f3fc0986/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/gsv2008.c.i.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be56aaa6-08f9-4f05-8a51-23c1f3fc0986/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be56aaa6-08f9-4f05-8a51-23c1f3fc0986/bin/ukojak-verify-ImItNfHLgk --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 ddf982557921584bb127c3d2f445aa0e6d0bc14c3d676da7af6c5c29bbe3794a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:25:21,660 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:25:21,727 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be56aaa6-08f9-4f05-8a51-23c1f3fc0986/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 19:25:21,732 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:25:21,733 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:25:21,753 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:25:21,754 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:25:21,755 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:25:21,756 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:25:21,756 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:25:21,757 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:25:21,757 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:25:21,757 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:25:21,758 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:25:21,758 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:25:21,758 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:25:21,759 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:25:21,759 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:25:21,760 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:25:21,760 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:25:21,760 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:25:21,763 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:25:21,764 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:25:21,764 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:25:21,765 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:25:21,765 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:25:21,765 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:25:21,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:25:21,766 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:25:21,766 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:25:21,767 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:25:21,767 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:25:21,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:25:21,768 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be56aaa6-08f9-4f05-8a51-23c1f3fc0986/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be56aaa6-08f9-4f05-8a51-23c1f3fc0986/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddf982557921584bb127c3d2f445aa0e6d0bc14c3d676da7af6c5c29bbe3794a [2024-11-08 19:25:22,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:25:22,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:25:22,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:25:22,034 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:25:22,035 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:25:22,036 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be56aaa6-08f9-4f05-8a51-23c1f3fc0986/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/loop-lit/gsv2008.c.i.p+cfa-reducer.c Unable to find full path for "g++" [2024-11-08 19:25:24,151 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:25:24,351 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:25:24,351 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be56aaa6-08f9-4f05-8a51-23c1f3fc0986/sv-benchmarks/c/loop-lit/gsv2008.c.i.p+cfa-reducer.c [2024-11-08 19:25:24,358 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be56aaa6-08f9-4f05-8a51-23c1f3fc0986/bin/ukojak-verify-ImItNfHLgk/data/693bb528d/c5d2ce7984d8460c8177aa218cf40bd2/FLAG227e1dd1f [2024-11-08 19:25:24,374 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be56aaa6-08f9-4f05-8a51-23c1f3fc0986/bin/ukojak-verify-ImItNfHLgk/data/693bb528d/c5d2ce7984d8460c8177aa218cf40bd2 [2024-11-08 19:25:24,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:25:24,378 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:25:24,379 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:25:24,379 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:25:24,384 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:25:24,385 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:25:24" (1/1) ... [2024-11-08 19:25:24,386 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a3dbe60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:24, skipping insertion in model container [2024-11-08 19:25:24,386 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:25:24" (1/1) ... [2024-11-08 19:25:24,408 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:25:24,578 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_be56aaa6-08f9-4f05-8a51-23c1f3fc0986/sv-benchmarks/c/loop-lit/gsv2008.c.i.p+cfa-reducer.c[989,1002] [2024-11-08 19:25:24,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:25:24,594 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:25:24,608 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_be56aaa6-08f9-4f05-8a51-23c1f3fc0986/sv-benchmarks/c/loop-lit/gsv2008.c.i.p+cfa-reducer.c[989,1002] [2024-11-08 19:25:24,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:25:24,623 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:25:24,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:24 WrapperNode [2024-11-08 19:25:24,624 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:25:24,625 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:25:24,625 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:25:24,625 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:25:24,633 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:24" (1/1) ... [2024-11-08 19:25:24,638 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:24" (1/1) ... [2024-11-08 19:25:24,653 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2024-11-08 19:25:24,653 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:25:24,654 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:25:24,654 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:25:24,654 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:25:24,663 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:24" (1/1) ... [2024-11-08 19:25:24,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:24" (1/1) ... [2024-11-08 19:25:24,664 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:24" (1/1) ... [2024-11-08 19:25:24,664 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:24" (1/1) ... [2024-11-08 19:25:24,667 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:24" (1/1) ... [2024-11-08 19:25:24,668 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:24" (1/1) ... [2024-11-08 19:25:24,669 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:24" (1/1) ... [2024-11-08 19:25:24,670 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:24" (1/1) ... [2024-11-08 19:25:24,671 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:25:24,672 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:25:24,672 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:25:24,672 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:25:24,673 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:24" (1/1) ... [2024-11-08 19:25:24,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:25:24,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be56aaa6-08f9-4f05-8a51-23c1f3fc0986/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:25:24,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be56aaa6-08f9-4f05-8a51-23c1f3fc0986/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:25:24,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be56aaa6-08f9-4f05-8a51-23c1f3fc0986/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:25:24,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:25:24,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:25:24,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:25:24,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:25:24,780 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:25:24,782 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:25:24,886 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-08 19:25:24,886 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:25:24,909 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:25:24,910 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:25:24,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:25:24 BoogieIcfgContainer [2024-11-08 19:25:24,910 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:25:24,911 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:25:24,912 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:25:24,920 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:25:24,920 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:25:24" (1/1) ... [2024-11-08 19:25:24,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:25:24,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:25:24,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2024-11-08 19:25:24,987 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2024-11-08 19:25:24,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 19:25:24,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:25:24,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:25:25,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:25,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:25:25,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:25:25,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2024-11-08 19:25:25,195 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2024-11-08 19:25:25,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 19:25:25,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:25:25,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:25:25,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:25,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:25:25,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:25:25,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2024-11-08 19:25:25,679 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2024-11-08 19:25:25,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 19:25:25,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:25:25,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:25:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:25,868 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:25:26,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:25:26,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2024-11-08 19:25:26,066 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2024-11-08 19:25:26,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 19:25:26,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:25:26,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:25:26,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:26,255 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 19:25:26,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:25:26,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 10 states and 16 transitions. [2024-11-08 19:25:26,435 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 16 transitions. [2024-11-08 19:25:26,435 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 19:25:26,436 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-08 19:25:26,447 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 19:25:26,524 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 19:25:26,525 INFO L77 FloydHoareUtils]: At program point L25(lines 25 58) the Hoare annotation is: (<= (+ |ULTIMATE.start_main_~main__x~0#1| 50) 0) [2024-11-08 19:25:26,525 INFO L77 FloydHoareUtils]: At program point L19(lines 19 59) the Hoare annotation is: (<= (+ |ULTIMATE.start_main_~main__x~0#1| 50) 0) [2024-11-08 19:25:26,525 INFO L75 FloydHoareUtils]: For program point L48(line 48) no Hoare annotation was computed. [2024-11-08 19:25:26,525 INFO L77 FloydHoareUtils]: At program point L46(lines 46 55) the Hoare annotation is: (not (= |ULTIMATE.start_main_~__VERIFIER_assert__cond~0#1| 0)) [2024-11-08 19:25:26,526 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 19:25:26,526 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 13 60) the Hoare annotation is: true [2024-11-08 19:25:26,526 INFO L77 FloydHoareUtils]: At program point $Ultimate##6(lines 32 57) the Hoare annotation is: (not (and (< (* 2 |ULTIMATE.start_main_~main__y~0#1|) (+ 53 |ULTIMATE.start_main_~main__x~0#1|)) (< 0 (+ |ULTIMATE.start_main_~main__x~0#1| 50)) (< |ULTIMATE.start_main_~main__y~0#1| (+ 2 |ULTIMATE.start_main_~main__x~0#1|)))) [2024-11-08 19:25:26,526 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 48) no Hoare annotation was computed. [2024-11-08 19:25:26,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:25:26 ImpRootNode [2024-11-08 19:25:26,545 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:25:26,546 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:25:26,546 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:25:26,546 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:25:26,547 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:25:24" (3/4) ... [2024-11-08 19:25:26,549 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 19:25:26,557 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-08 19:25:26,557 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 19:25:26,557 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 19:25:26,557 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 19:25:26,658 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be56aaa6-08f9-4f05-8a51-23c1f3fc0986/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 19:25:26,659 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be56aaa6-08f9-4f05-8a51-23c1f3fc0986/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 19:25:26,659 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:25:26,660 INFO L158 Benchmark]: Toolchain (without parser) took 2281.94ms. Allocated memory was 146.8MB in the beginning and 224.4MB in the end (delta: 77.6MB). Free memory was 110.3MB in the beginning and 143.0MB in the end (delta: -32.6MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2024-11-08 19:25:26,660 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 104.9MB. Free memory is still 58.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:25:26,661 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.83ms. Allocated memory is still 146.8MB. Free memory was 110.0MB in the beginning and 97.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 19:25:26,662 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.75ms. Allocated memory is still 146.8MB. Free memory was 97.4MB in the beginning and 96.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:25:26,663 INFO L158 Benchmark]: Boogie Preprocessor took 17.23ms. Allocated memory is still 146.8MB. Free memory was 96.1MB in the beginning and 95.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:25:26,663 INFO L158 Benchmark]: RCFGBuilder took 238.61ms. Allocated memory is still 146.8MB. Free memory was 95.0MB in the beginning and 84.8MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 19:25:26,664 INFO L158 Benchmark]: CodeCheck took 1633.95ms. Allocated memory was 146.8MB in the beginning and 224.4MB in the end (delta: 77.6MB). Free memory was 84.5MB in the beginning and 148.2MB in the end (delta: -63.7MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2024-11-08 19:25:26,664 INFO L158 Benchmark]: Witness Printer took 113.21ms. Allocated memory is still 224.4MB. Free memory was 148.2MB in the beginning and 143.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:25:26,671 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, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 62 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 60 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 91 IncrementalHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 44 mSDtfsCounter, 91 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 250 GetRequests, 221 SyntacticMatches, 7 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 89 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 6/10 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 - PositiveResult [Line: 48]: 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: 32]: Location Invariant Derived location invariant: !(((((long long) 2 * main__y) < ((long long) 53 + main__x)) && (0 < ((long long) main__x + 50))) && (main__y < ((long long) 2 + main__x))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 104.9MB. Free memory is still 58.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.83ms. Allocated memory is still 146.8MB. Free memory was 110.0MB in the beginning and 97.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.75ms. Allocated memory is still 146.8MB. Free memory was 97.4MB in the beginning and 96.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.23ms. Allocated memory is still 146.8MB. Free memory was 96.1MB in the beginning and 95.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 238.61ms. Allocated memory is still 146.8MB. Free memory was 95.0MB in the beginning and 84.8MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1633.95ms. Allocated memory was 146.8MB in the beginning and 224.4MB in the end (delta: 77.6MB). Free memory was 84.5MB in the beginning and 148.2MB in the end (delta: -63.7MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * Witness Printer took 113.21ms. Allocated memory is still 224.4MB. Free memory was 148.2MB in the beginning and 143.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 19:25:26,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be56aaa6-08f9-4f05-8a51-23c1f3fc0986/bin/ukojak-verify-ImItNfHLgk/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