./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.2.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3613c7a0-3885-40fd-9379-470a955f90c5/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3613c7a0-3885-40fd-9379-470a955f90c5/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_3613c7a0-3885-40fd-9379-470a955f90c5/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3613c7a0-3885-40fd-9379-470a955f90c5/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3613c7a0-3885-40fd-9379-470a955f90c5/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3613c7a0-3885-40fd-9379-470a955f90c5/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 64bit --witnessprinter.graph.data.programhash 0171d493f02a2e18e1cc19cbb83796da3fff4de8475d1760fa98ce0b4ed2da74 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:44:55,711 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:44:55,797 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3613c7a0-3885-40fd-9379-470a955f90c5/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-08 22:44:55,807 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:44:55,807 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:44:55,838 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:44:55,839 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:44:55,839 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:44:55,840 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:44:55,840 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:44:55,841 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:44:55,841 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:44:55,841 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:44:55,842 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:44:55,842 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:44:55,843 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:44:55,843 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:44:55,843 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:44:55,844 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:44:55,844 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:44:55,844 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:44:55,845 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:44:55,846 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:44:55,846 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:44:55,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:44:55,847 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:44:55,847 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:44:55,848 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:44:55,848 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:44:55,848 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:44:55,849 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_3613c7a0-3885-40fd-9379-470a955f90c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3613c7a0-3885-40fd-9379-470a955f90c5/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0171d493f02a2e18e1cc19cbb83796da3fff4de8475d1760fa98ce0b4ed2da74 [2024-11-08 22:44:56,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:44:56,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:44:56,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:44:56,163 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:44:56,164 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:44:56,165 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3613c7a0-3885-40fd-9379-470a955f90c5/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.2.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-08 22:44:58,129 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:44:58,464 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:44:58,465 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3613c7a0-3885-40fd-9379-470a955f90c5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.2.prop1-back-serstep.c [2024-11-08 22:44:58,484 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3613c7a0-3885-40fd-9379-470a955f90c5/bin/ukojak-verify-ImItNfHLgk/data/ab38fc4a3/3f21faa8ee48422f8b080de1cb46b484/FLAG5dd07b478 [2024-11-08 22:44:58,720 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3613c7a0-3885-40fd-9379-470a955f90c5/bin/ukojak-verify-ImItNfHLgk/data/ab38fc4a3/3f21faa8ee48422f8b080de1cb46b484 [2024-11-08 22:44:58,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:44:58,726 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:44:58,729 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:44:58,730 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:44:58,736 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:44:58,737 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:44:58" (1/1) ... [2024-11-08 22:44:58,738 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ea9c4d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:58, skipping insertion in model container [2024-11-08 22:44:58,739 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:44:58" (1/1) ... [2024-11-08 22:44:58,804 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:44:59,035 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_3613c7a0-3885-40fd-9379-470a955f90c5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.2.prop1-back-serstep.c[1176,1189] [2024-11-08 22:44:59,525 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:44:59,555 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:44:59,567 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_3613c7a0-3885-40fd-9379-470a955f90c5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.2.prop1-back-serstep.c[1176,1189] [2024-11-08 22:44:59,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:44:59,765 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:44:59,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:59 WrapperNode [2024-11-08 22:44:59,765 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:44:59,766 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:44:59,766 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:44:59,766 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:44:59,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:59" (1/1) ... [2024-11-08 22:44:59,843 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:59" (1/1) ... [2024-11-08 22:45:00,655 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5644 [2024-11-08 22:45:00,656 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:45:00,658 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:45:00,658 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:45:00,658 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:45:00,672 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:59" (1/1) ... [2024-11-08 22:45:00,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:59" (1/1) ... [2024-11-08 22:45:00,982 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:59" (1/1) ... [2024-11-08 22:45:00,982 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:59" (1/1) ... [2024-11-08 22:45:01,237 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:59" (1/1) ... [2024-11-08 22:45:01,300 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:59" (1/1) ... [2024-11-08 22:45:01,340 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:59" (1/1) ... [2024-11-08 22:45:01,368 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:59" (1/1) ... [2024-11-08 22:45:01,577 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:45:01,578 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:45:01,579 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:45:01,579 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:45:01,580 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:59" (1/1) ... [2024-11-08 22:45:01,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:45:01,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3613c7a0-3885-40fd-9379-470a955f90c5/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:45:01,616 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3613c7a0-3885-40fd-9379-470a955f90c5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:45:01,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3613c7a0-3885-40fd-9379-470a955f90c5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:45:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:45:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:45:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:45:01,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:45:02,136 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:45:02,139 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:45:09,259 INFO L? ?]: Removed 3084 outVars from TransFormulas that were not future-live. [2024-11-08 22:45:09,259 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:45:19,642 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:45:19,643 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:45:19,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:45:19 BoogieIcfgContainer [2024-11-08 22:45:19,643 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:45:19,644 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:45:19,644 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:45:19,655 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:45:19,655 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:45:19" (1/1) ... [2024-11-08 22:45:19,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:45:19,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:19,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 22:45:19,718 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 22:45:19,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 22:45:19,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:19,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:45:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:23,788 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 22:45:34,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:45:44,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:45:45,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:45:46,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:45:58,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:45:58,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:58,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-08 22:45:58,344 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-08 22:45:58,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:45:58,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:58,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:47:15,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:47:15,957 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:48:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:48:36,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:48:36,346 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 22:48:36,350 INFO L158 Benchmark]: Toolchain (without parser) took 217623.35ms. Allocated memory was 165.7MB in the beginning and 5.8GB in the end (delta: 5.6GB). Free memory was 126.7MB in the beginning and 4.2GB in the end (delta: -4.1GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2024-11-08 22:48:36,350 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:48:36,355 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1036.21ms. Allocated memory is still 165.7MB. Free memory was 126.7MB in the beginning and 92.8MB in the end (delta: 33.8MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-11-08 22:48:36,356 INFO L158 Benchmark]: Boogie Procedure Inliner took 889.88ms. Allocated memory was 165.7MB in the beginning and 419.4MB in the end (delta: 253.8MB). Free memory was 92.8MB in the beginning and 277.6MB in the end (delta: -184.8MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. [2024-11-08 22:48:36,356 INFO L158 Benchmark]: Boogie Preprocessor took 919.79ms. Allocated memory is still 419.4MB. Free memory was 277.6MB in the beginning and 254.8MB in the end (delta: 22.8MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. [2024-11-08 22:48:36,356 INFO L158 Benchmark]: RCFGBuilder took 18065.08ms. Allocated memory was 419.4MB in the beginning and 4.8GB in the end (delta: 4.4GB). Free memory was 254.5MB in the beginning and 4.4GB in the end (delta: -4.2GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-11-08 22:48:36,357 INFO L158 Benchmark]: CodeCheck took 196704.76ms. Allocated memory was 4.8GB in the beginning and 5.8GB in the end (delta: 987.8MB). Free memory was 4.4GB in the beginning and 4.2GB in the end (delta: 239.0MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-11-08 22:48:36,364 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1036.21ms. Allocated memory is still 165.7MB. Free memory was 126.7MB in the beginning and 92.8MB in the end (delta: 33.8MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 889.88ms. Allocated memory was 165.7MB in the beginning and 419.4MB in the end (delta: 253.8MB). Free memory was 92.8MB in the beginning and 277.6MB in the end (delta: -184.8MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 919.79ms. Allocated memory is still 419.4MB. Free memory was 277.6MB in the beginning and 254.8MB in the end (delta: 22.8MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. * RCFGBuilder took 18065.08ms. Allocated memory was 419.4MB in the beginning and 4.8GB in the end (delta: 4.4GB). Free memory was 254.5MB in the beginning and 4.4GB in the end (delta: -4.2GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * CodeCheck took 196704.76ms. Allocated memory was 4.8GB in the beginning and 5.8GB in the end (delta: 987.8MB). Free memory was 4.4GB in the beginning and 4.2GB in the end (delta: 239.0MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 22:48:36,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3613c7a0-3885-40fd-9379-470a955f90c5/bin/ukojak-verify-ImItNfHLgk/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3613c7a0-3885-40fd-9379-470a955f90c5/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3613c7a0-3885-40fd-9379-470a955f90c5/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_3613c7a0-3885-40fd-9379-470a955f90c5/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3613c7a0-3885-40fd-9379-470a955f90c5/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3613c7a0-3885-40fd-9379-470a955f90c5/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3613c7a0-3885-40fd-9379-470a955f90c5/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 64bit --witnessprinter.graph.data.programhash 0171d493f02a2e18e1cc19cbb83796da3fff4de8475d1760fa98ce0b4ed2da74 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:48:39,018 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:48:39,127 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3613c7a0-3885-40fd-9379-470a955f90c5/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-08 22:48:39,159 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:48:39,160 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:48:39,160 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:48:39,161 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:48:39,162 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:48:39,162 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:48:39,167 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:48:39,167 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:48:39,167 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:48:39,168 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:48:39,168 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:48:39,168 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:48:39,168 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:48:39,169 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:48:39,169 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:48:39,169 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:48:39,169 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:48:39,170 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:48:39,171 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:48:39,172 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:48:39,172 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:39,172 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:48:39,172 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:48:39,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:48:39,173 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:48:39,173 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:48:39,174 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:48:39,174 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:48:39,174 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:39,174 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:48:39,175 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_3613c7a0-3885-40fd-9379-470a955f90c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3613c7a0-3885-40fd-9379-470a955f90c5/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0171d493f02a2e18e1cc19cbb83796da3fff4de8475d1760fa98ce0b4ed2da74 [2024-11-08 22:48:39,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:48:39,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:48:39,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:48:39,610 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:48:39,614 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:48:39,615 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3613c7a0-3885-40fd-9379-470a955f90c5/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.2.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-08 22:48:41,631 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:48:41,965 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:48:41,965 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3613c7a0-3885-40fd-9379-470a955f90c5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.2.prop1-back-serstep.c [2024-11-08 22:48:41,983 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3613c7a0-3885-40fd-9379-470a955f90c5/bin/ukojak-verify-ImItNfHLgk/data/2627c6dfc/47883ac9cc3c474cac1665185f6c07f6/FLAG56ee96d40 [2024-11-08 22:48:42,213 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3613c7a0-3885-40fd-9379-470a955f90c5/bin/ukojak-verify-ImItNfHLgk/data/2627c6dfc/47883ac9cc3c474cac1665185f6c07f6 [2024-11-08 22:48:42,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:48:42,219 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:48:42,222 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:48:42,223 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:48:42,228 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:48:42,228 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:48:42" (1/1) ... [2024-11-08 22:48:42,230 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7245e4d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:42, skipping insertion in model container [2024-11-08 22:48:42,230 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:48:42" (1/1) ... [2024-11-08 22:48:42,312 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:48:42,579 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_3613c7a0-3885-40fd-9379-470a955f90c5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.2.prop1-back-serstep.c[1176,1189] [2024-11-08 22:48:42,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:48:42,998 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:48:43,011 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_3613c7a0-3885-40fd-9379-470a955f90c5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.2.prop1-back-serstep.c[1176,1189] [2024-11-08 22:48:43,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:48:43,222 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:48:43,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:43 WrapperNode [2024-11-08 22:48:43,223 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:48:43,224 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:48:43,225 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:48:43,225 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:48:43,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:43" (1/1) ... [2024-11-08 22:48:43,274 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:43" (1/1) ... [2024-11-08 22:48:43,398 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1860 [2024-11-08 22:48:43,399 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:48:43,399 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:48:43,400 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:48:43,400 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:48:43,409 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:43" (1/1) ... [2024-11-08 22:48:43,410 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:43" (1/1) ... [2024-11-08 22:48:43,423 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:43" (1/1) ... [2024-11-08 22:48:43,423 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:43" (1/1) ... [2024-11-08 22:48:43,485 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:43" (1/1) ... [2024-11-08 22:48:43,498 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:43" (1/1) ... [2024-11-08 22:48:43,512 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:43" (1/1) ... [2024-11-08 22:48:43,526 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:43" (1/1) ... [2024-11-08 22:48:43,553 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:48:43,554 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:48:43,556 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:48:43,556 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:48:43,557 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:43" (1/1) ... [2024-11-08 22:48:43,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:48:43,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3613c7a0-3885-40fd-9379-470a955f90c5/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:48:43,592 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3613c7a0-3885-40fd-9379-470a955f90c5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:48:43,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3613c7a0-3885-40fd-9379-470a955f90c5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:48:43,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:48:43,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:48:43,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:48:43,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:48:44,070 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:48:44,072 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:48:47,535 INFO L? ?]: Removed 207 outVars from TransFormulas that were not future-live. [2024-11-08 22:48:47,535 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:48:47,643 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:48:47,644 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:48:47,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:48:47 BoogieIcfgContainer [2024-11-08 22:48:47,644 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:48:47,645 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:48:47,646 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:48:47,656 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:48:47,656 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:48:47" (1/1) ... [2024-11-08 22:48:47,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:48:47,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:47,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 22:48:47,715 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 22:48:47,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 22:48:47,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:47,718 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:47,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3613c7a0-3885-40fd-9379-470a955f90c5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:47,725 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3613c7a0-3885-40fd-9379-470a955f90c5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:47,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3613c7a0-3885-40fd-9379-470a955f90c5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:48:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:48,437 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:48,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:48,645 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:48:48,655 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:48,740 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 22:48:48,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3613c7a0-3885-40fd-9379-470a955f90c5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:48:49,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:49,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-08 22:48:49,174 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-08 22:48:49,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:48:49,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:49,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:49,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3613c7a0-3885-40fd-9379-470a955f90c5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:49,179 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3613c7a0-3885-40fd-9379-470a955f90c5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:49,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3613c7a0-3885-40fd-9379-470a955f90c5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:48:50,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:50,586 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:51,029 INFO L255 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 76 conjuncts are in the unsatisfiable core [2024-11-08 22:48:51,069 INFO L278 TraceCheckSpWp]: Computing forward predicates...