./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9184d1e-6710-485f-860a-52d04d17b235/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9184d1e-6710-485f-860a-52d04d17b235/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9184d1e-6710-485f-860a-52d04d17b235/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9184d1e-6710-485f-860a-52d04d17b235/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9184d1e-6710-485f-860a-52d04d17b235/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9184d1e-6710-485f-860a-52d04d17b235/bin/ukojak-verify-EEHR8qb7sm --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 4d62b3ceaa78ea2375d5c4b211961c6a12d2cc08c80a4d47a469ae387ed4fb62 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:51:27,762 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:51:27,816 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9184d1e-6710-485f-860a-52d04d17b235/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 21:51:27,820 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:51:27,820 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:51:27,841 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:51:27,842 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:51:27,842 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:51:27,842 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:51:27,842 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:51:27,843 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:51:27,843 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:51:27,843 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:51:27,843 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:51:27,843 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:51:27,843 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:51:27,844 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:51:27,844 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:51:27,844 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:51:27,844 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:51:27,845 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:51:27,845 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:51:27,845 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:51:27,845 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:51:27,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:51:27,845 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:51:27,846 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:51:27,846 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:51:27,846 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:51:27,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:51:27,846 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_d9184d1e-6710-485f-860a-52d04d17b235/bin/ukojak-verify-EEHR8qb7sm 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 -> 4d62b3ceaa78ea2375d5c4b211961c6a12d2cc08c80a4d47a469ae387ed4fb62 [2024-11-13 21:51:28,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:51:28,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:51:28,135 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:51:28,137 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:51:28,139 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:51:28,140 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9184d1e-6710-485f-860a-52d04d17b235/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 21:51:29,977 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:51:30,364 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:51:30,365 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9184d1e-6710-485f-860a-52d04d17b235/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-back-serstep.c [2024-11-13 21:51:30,394 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9184d1e-6710-485f-860a-52d04d17b235/bin/ukojak-verify-EEHR8qb7sm/data/ad401bcc1/78221784ccba4836af164ce1cb7a9422/FLAGc76729e0c [2024-11-13 21:51:30,415 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9184d1e-6710-485f-860a-52d04d17b235/bin/ukojak-verify-EEHR8qb7sm/data/ad401bcc1/78221784ccba4836af164ce1cb7a9422 [2024-11-13 21:51:30,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:51:30,424 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:51:30,427 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:51:30,427 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:51:30,432 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:51:30,433 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:51:30" (1/1) ... [2024-11-13 21:51:30,434 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e205a0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:30, skipping insertion in model container [2024-11-13 21:51:30,434 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:51:30" (1/1) ... [2024-11-13 21:51:30,521 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:51:30,752 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_d9184d1e-6710-485f-860a-52d04d17b235/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-back-serstep.c[1182,1195] [2024-11-13 21:51:31,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:51:31,245 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:51:31,256 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_d9184d1e-6710-485f-860a-52d04d17b235/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-back-serstep.c[1182,1195] [2024-11-13 21:51:31,525 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:51:31,539 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:51:31,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:31 WrapperNode [2024-11-13 21:51:31,539 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:51:31,540 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:51:31,540 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:51:31,541 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:51:31,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:31" (1/1) ... [2024-11-13 21:51:31,600 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:31" (1/1) ... [2024-11-13 21:51:32,329 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5159 [2024-11-13 21:51:32,330 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:51:32,331 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:51:32,331 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:51:32,331 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:51:32,338 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:31" (1/1) ... [2024-11-13 21:51:32,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:31" (1/1) ... [2024-11-13 21:51:32,470 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:31" (1/1) ... [2024-11-13 21:51:32,471 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:31" (1/1) ... [2024-11-13 21:51:32,695 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:31" (1/1) ... [2024-11-13 21:51:32,734 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:31" (1/1) ... [2024-11-13 21:51:32,783 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:31" (1/1) ... [2024-11-13 21:51:32,812 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:31" (1/1) ... [2024-11-13 21:51:33,074 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:51:33,077 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:51:33,078 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:51:33,078 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:51:33,081 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:31" (1/1) ... [2024-11-13 21:51:33,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:51:33,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9184d1e-6710-485f-860a-52d04d17b235/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:51:33,135 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9184d1e-6710-485f-860a-52d04d17b235/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:51:33,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9184d1e-6710-485f-860a-52d04d17b235/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:51:33,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:51:33,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:51:33,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:51:33,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:51:33,812 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:51:33,814 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:51:40,604 INFO L? ?]: Removed 2980 outVars from TransFormulas that were not future-live. [2024-11-13 21:51:40,604 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:51:47,785 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:51:47,786 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:51:47,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:51:47 BoogieIcfgContainer [2024-11-13 21:51:47,786 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:51:47,787 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:51:47,787 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:51:47,799 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:51:47,799 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:51:47" (1/1) ... [2024-11-13 21:51:47,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:51:47,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:47,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:51:47,867 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:51:47,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:51:47,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:47,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:58,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:52:08,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:52:18,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:52:32,203 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 [] [2024-11-13 21:52:32,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:32,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 21:52:32,259 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 21:52:32,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:52:32,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:32,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:53:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:53:33,785 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:54:35,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:54:46,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:54:46,963 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) [2024-11-13 21:54:46,968 INFO L158 Benchmark]: Toolchain (without parser) took 196544.52ms. Allocated memory was 117.4MB in the beginning and 3.8GB in the end (delta: 3.7GB). Free memory was 90.0MB in the beginning and 3.2GB in the end (delta: -3.1GB). Peak memory consumption was 593.2MB. Max. memory is 16.1GB. [2024-11-13 21:54:46,969 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:54:46,970 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1112.99ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 58.4MB in the end (delta: 31.3MB). Peak memory consumption was 85.7MB. Max. memory is 16.1GB. [2024-11-13 21:54:46,970 INFO L158 Benchmark]: Boogie Procedure Inliner took 789.81ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 58.3MB in the beginning and 161.9MB in the end (delta: -103.5MB). Peak memory consumption was 111.7MB. Max. memory is 16.1GB. [2024-11-13 21:54:46,971 INFO L158 Benchmark]: Boogie Preprocessor took 744.04ms. Allocated memory is still 285.2MB. Free memory was 161.9MB in the beginning and 141.4MB in the end (delta: 20.4MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2024-11-13 21:54:46,971 INFO L158 Benchmark]: RCFGBuilder took 14708.96ms. Allocated memory was 285.2MB in the beginning and 1.3GB in the end (delta: 1.0GB). Free memory was 141.4MB in the beginning and 991.0MB in the end (delta: -849.5MB). Peak memory consumption was 956.8MB. Max. memory is 16.1GB. [2024-11-13 21:54:46,972 INFO L158 Benchmark]: CodeCheck took 179180.30ms. Allocated memory was 1.3GB in the beginning and 3.8GB in the end (delta: 2.5GB). Free memory was 991.0MB in the beginning and 3.2GB in the end (delta: -2.2GB). Peak memory consumption was 292.4MB. Max. memory is 16.1GB. [2024-11-13 21:54:46,979 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 0.36ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1112.99ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 58.4MB in the end (delta: 31.3MB). Peak memory consumption was 85.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 789.81ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 58.3MB in the beginning and 161.9MB in the end (delta: -103.5MB). Peak memory consumption was 111.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 744.04ms. Allocated memory is still 285.2MB. Free memory was 161.9MB in the beginning and 141.4MB in the end (delta: 20.4MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. * RCFGBuilder took 14708.96ms. Allocated memory was 285.2MB in the beginning and 1.3GB in the end (delta: 1.0GB). Free memory was 141.4MB in the beginning and 991.0MB in the end (delta: -849.5MB). Peak memory consumption was 956.8MB. Max. memory is 16.1GB. * CodeCheck took 179180.30ms. Allocated memory was 1.3GB in the beginning and 3.8GB in the end (delta: 2.5GB). Free memory was 991.0MB in the beginning and 3.2GB in the end (delta: -2.2GB). Peak memory consumption was 292.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:54:47,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9184d1e-6710-485f-860a-52d04d17b235/bin/ukojak-verify-EEHR8qb7sm/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9184d1e-6710-485f-860a-52d04d17b235/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9184d1e-6710-485f-860a-52d04d17b235/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9184d1e-6710-485f-860a-52d04d17b235/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9184d1e-6710-485f-860a-52d04d17b235/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9184d1e-6710-485f-860a-52d04d17b235/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9184d1e-6710-485f-860a-52d04d17b235/bin/ukojak-verify-EEHR8qb7sm --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 4d62b3ceaa78ea2375d5c4b211961c6a12d2cc08c80a4d47a469ae387ed4fb62 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:54:49,895 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:54:50,020 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9184d1e-6710-485f-860a-52d04d17b235/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 21:54:50,072 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:54:50,075 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:54:50,076 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:54:50,076 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:54:50,076 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:54:50,076 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:54:50,076 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:54:50,077 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:54:50,077 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:54:50,077 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:54:50,077 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:54:50,077 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:54:50,077 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:54:50,077 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:54:50,077 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:54:50,077 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:54:50,077 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:54:50,077 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:54:50,078 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:54:50,078 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:54:50,078 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:50,078 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:54:50,078 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:54:50,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:54:50,080 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:54:50,080 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:54:50,080 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:54:50,081 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:54:50,081 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:50,081 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:54:50,081 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_d9184d1e-6710-485f-860a-52d04d17b235/bin/ukojak-verify-EEHR8qb7sm 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 -> 4d62b3ceaa78ea2375d5c4b211961c6a12d2cc08c80a4d47a469ae387ed4fb62 [2024-11-13 21:54:50,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:54:50,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:54:50,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:54:50,407 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:54:50,407 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:54:50,409 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9184d1e-6710-485f-860a-52d04d17b235/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 21:54:52,297 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:54:52,648 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:54:52,651 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9184d1e-6710-485f-860a-52d04d17b235/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-back-serstep.c [2024-11-13 21:54:52,675 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9184d1e-6710-485f-860a-52d04d17b235/bin/ukojak-verify-EEHR8qb7sm/data/c958fdd39/6b912ea53ebb4f43bb988d594f1c1b2a/FLAGa17644c8e [2024-11-13 21:54:52,699 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9184d1e-6710-485f-860a-52d04d17b235/bin/ukojak-verify-EEHR8qb7sm/data/c958fdd39/6b912ea53ebb4f43bb988d594f1c1b2a [2024-11-13 21:54:52,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:54:52,703 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:54:52,706 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:54:52,706 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:54:52,710 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:54:52,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:54:52" (1/1) ... [2024-11-13 21:54:52,715 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c2821df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:52, skipping insertion in model container [2024-11-13 21:54:52,716 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:54:52" (1/1) ... [2024-11-13 21:54:52,784 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:54:53,012 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_d9184d1e-6710-485f-860a-52d04d17b235/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-back-serstep.c[1182,1195] [2024-11-13 21:54:53,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:54:53,431 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:54:53,439 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_d9184d1e-6710-485f-860a-52d04d17b235/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-back-serstep.c[1182,1195] [2024-11-13 21:54:53,628 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:54:53,646 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:54:53,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:53 WrapperNode [2024-11-13 21:54:53,647 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:54:53,649 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:54:53,649 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:54:53,649 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:54:53,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:53" (1/1) ... [2024-11-13 21:54:53,711 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:53" (1/1) ... [2024-11-13 21:54:53,862 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2023 [2024-11-13 21:54:53,863 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:54:53,863 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:54:53,864 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:54:53,864 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:54:53,872 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:53" (1/1) ... [2024-11-13 21:54:53,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:53" (1/1) ... [2024-11-13 21:54:53,884 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:53" (1/1) ... [2024-11-13 21:54:53,885 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:53" (1/1) ... [2024-11-13 21:54:53,925 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:53" (1/1) ... [2024-11-13 21:54:53,935 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:53" (1/1) ... [2024-11-13 21:54:53,946 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:53" (1/1) ... [2024-11-13 21:54:53,960 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:53" (1/1) ... [2024-11-13 21:54:53,991 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:54:53,994 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:54:53,994 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:54:53,994 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:54:53,995 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:53" (1/1) ... [2024-11-13 21:54:54,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:54:54,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9184d1e-6710-485f-860a-52d04d17b235/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:54:54,047 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9184d1e-6710-485f-860a-52d04d17b235/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:54:54,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9184d1e-6710-485f-860a-52d04d17b235/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:54:54,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:54:54,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:54:54,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:54:54,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:54:54,640 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:54:54,642 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:54:57,704 INFO L? ?]: Removed 216 outVars from TransFormulas that were not future-live. [2024-11-13 21:54:57,704 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:54:57,785 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:54:57,786 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:54:57,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:54:57 BoogieIcfgContainer [2024-11-13 21:54:57,787 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:54:57,788 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:54:57,788 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:54:57,802 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:54:57,802 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:54:57" (1/1) ... [2024-11-13 21:54:57,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:54:57,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:57,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:54:57,877 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:54:57,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:54:57,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:57,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:57,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9184d1e-6710-485f-860a-52d04d17b235/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:57,884 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9184d1e-6710-485f-860a-52d04d17b235/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:57,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9184d1e-6710-485f-860a-52d04d17b235/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:54:58,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:58,693 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:58,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:58,971 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 21:54:58,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:59,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:54:59,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9184d1e-6710-485f-860a-52d04d17b235/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:54:59,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:59,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 21:54:59,485 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 21:54:59,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:54:59,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:59,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:59,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9184d1e-6710-485f-860a-52d04d17b235/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:59,488 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9184d1e-6710-485f-860a-52d04d17b235/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:59,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9184d1e-6710-485f-860a-52d04d17b235/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:55:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:01,030 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:01,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-11-13 21:55:01,525 INFO L278 TraceCheckSpWp]: Computing forward predicates...