./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-func-interl.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_dc3a4e87-3056-44a5-9480-71dae17a89b7/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3a4e87-3056-44a5-9480-71dae17a89b7/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_dc3a4e87-3056-44a5-9480-71dae17a89b7/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3a4e87-3056-44a5-9480-71dae17a89b7/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3a4e87-3056-44a5-9480-71dae17a89b7/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_dc3a4e87-3056-44a5-9480-71dae17a89b7/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 7da5f319f25cda7b021cc345254a912773e9daeba600652cb5cce7767fa404e1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:20:26,615 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:20:26,674 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3a4e87-3056-44a5-9480-71dae17a89b7/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 21:20:26,679 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:20:26,679 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:20:26,701 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:20:26,702 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:20:26,702 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:20:26,702 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:20:26,702 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:20:26,703 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:20:26,703 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:20:26,703 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:20:26,703 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:20:26,703 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:20:26,703 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:20:26,703 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:20:26,704 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:20:26,704 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:20:26,704 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:20:26,704 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:20:26,704 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:20:26,704 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:20:26,705 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:20:26,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:20:26,705 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:20:26,705 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:20:26,705 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:20:26,705 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:20:26,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:20:26,706 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_dc3a4e87-3056-44a5-9480-71dae17a89b7/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 -> 7da5f319f25cda7b021cc345254a912773e9daeba600652cb5cce7767fa404e1 [2024-11-13 21:20:26,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:20:26,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:20:26,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:20:26,976 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:20:26,976 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:20:26,977 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3a4e87-3056-44a5-9480-71dae17a89b7/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-func-interl.c Unable to find full path for "g++" [2024-11-13 21:20:28,850 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:20:29,213 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:20:29,214 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3a4e87-3056-44a5-9480-71dae17a89b7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-func-interl.c [2024-11-13 21:20:29,241 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3a4e87-3056-44a5-9480-71dae17a89b7/bin/ukojak-verify-EEHR8qb7sm/data/54625daed/5f7e349fccea48bea742eef4ff30995e/FLAGf472800b8 [2024-11-13 21:20:29,423 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3a4e87-3056-44a5-9480-71dae17a89b7/bin/ukojak-verify-EEHR8qb7sm/data/54625daed/5f7e349fccea48bea742eef4ff30995e [2024-11-13 21:20:29,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:20:29,428 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:20:29,429 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:20:29,429 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:20:29,434 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:20:29,435 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:20:29" (1/1) ... [2024-11-13 21:20:29,436 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@721e7c76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:29, skipping insertion in model container [2024-11-13 21:20:29,436 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:20:29" (1/1) ... [2024-11-13 21:20:29,503 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:20:29,747 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_dc3a4e87-3056-44a5-9480-71dae17a89b7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-func-interl.c[1181,1194] [2024-11-13 21:20:30,153 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:20:30,162 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:20:30,174 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_dc3a4e87-3056-44a5-9480-71dae17a89b7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-func-interl.c[1181,1194] [2024-11-13 21:20:30,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:20:30,350 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:20:30,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:30 WrapperNode [2024-11-13 21:20:30,351 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:20:30,352 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:20:30,352 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:20:30,352 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:20:30,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:30" (1/1) ... [2024-11-13 21:20:30,429 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:30" (1/1) ... [2024-11-13 21:20:30,922 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4362 [2024-11-13 21:20:30,922 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:20:30,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:20:30,923 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:20:30,923 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:20:30,931 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:30" (1/1) ... [2024-11-13 21:20:30,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:30" (1/1) ... [2024-11-13 21:20:31,145 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:30" (1/1) ... [2024-11-13 21:20:31,150 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:30" (1/1) ... [2024-11-13 21:20:31,412 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:30" (1/1) ... [2024-11-13 21:20:31,510 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:30" (1/1) ... [2024-11-13 21:20:31,545 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:30" (1/1) ... [2024-11-13 21:20:31,580 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:30" (1/1) ... [2024-11-13 21:20:31,683 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:20:31,685 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:20:31,686 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:20:31,686 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:20:31,687 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:30" (1/1) ... [2024-11-13 21:20:31,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:20:31,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3a4e87-3056-44a5-9480-71dae17a89b7/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:20:31,728 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3a4e87-3056-44a5-9480-71dae17a89b7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:20:31,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3a4e87-3056-44a5-9480-71dae17a89b7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:20:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:20:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:20:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:20:31,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:20:32,252 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:20:32,255 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:20:37,846 INFO L? ?]: Removed 2550 outVars from TransFormulas that were not future-live. [2024-11-13 21:20:37,846 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:20:44,645 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:20:44,645 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:20:44,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:20:44 BoogieIcfgContainer [2024-11-13 21:20:44,646 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:20:44,647 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:20:44,647 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:20:44,659 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:20:44,659 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:20:44" (1/1) ... [2024-11-13 21:20:44,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:20:44,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:44,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:20:44,729 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:20:44,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:20:44,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:44,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:45,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:46,725 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 21:20:56,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:21:06,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:21:07,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:07,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 21:21:07,155 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 21:21:07,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:21:07,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:07,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:21:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:21:42,437 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:22:05,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:22:15,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:22:15,730 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 21:22:15,737 INFO L158 Benchmark]: Toolchain (without parser) took 106309.09ms. Allocated memory was 142.6MB in the beginning and 2.8GB in the end (delta: 2.6GB). Free memory was 117.1MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-11-13 21:22:15,737 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 167.8MB. Free memory is still 105.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:22:15,738 INFO L158 Benchmark]: CACSL2BoogieTranslator took 922.08ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 52.9MB in the end (delta: 64.2MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-13 21:22:15,739 INFO L158 Benchmark]: Boogie Procedure Inliner took 570.63ms. Allocated memory was 142.6MB in the beginning and 159.4MB in the end (delta: 16.8MB). Free memory was 52.9MB in the beginning and 53.2MB in the end (delta: -219.9kB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. [2024-11-13 21:22:15,739 INFO L158 Benchmark]: Boogie Preprocessor took 760.50ms. Allocated memory was 159.4MB in the beginning and 436.2MB in the end (delta: 276.8MB). Free memory was 53.2MB in the beginning and 315.5MB in the end (delta: -262.4MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. [2024-11-13 21:22:15,740 INFO L158 Benchmark]: RCFGBuilder took 12960.80ms. Allocated memory was 436.2MB in the beginning and 1.6GB in the end (delta: 1.2GB). Free memory was 315.5MB in the beginning and 917.2MB in the end (delta: -601.7MB). Peak memory consumption was 591.0MB. Max. memory is 16.1GB. [2024-11-13 21:22:15,741 INFO L158 Benchmark]: CodeCheck took 91089.28ms. Allocated memory was 1.6GB in the beginning and 2.8GB in the end (delta: 1.1GB). Free memory was 917.2MB in the beginning and 1.7GB in the end (delta: -790.0MB). Peak memory consumption was 329.5MB. Max. memory is 16.1GB. [2024-11-13 21:22:15,746 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 0.39ms. Allocated memory is still 167.8MB. Free memory is still 105.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 922.08ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 52.9MB in the end (delta: 64.2MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 570.63ms. Allocated memory was 142.6MB in the beginning and 159.4MB in the end (delta: 16.8MB). Free memory was 52.9MB in the beginning and 53.2MB in the end (delta: -219.9kB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 760.50ms. Allocated memory was 159.4MB in the beginning and 436.2MB in the end (delta: 276.8MB). Free memory was 53.2MB in the beginning and 315.5MB in the end (delta: -262.4MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. * RCFGBuilder took 12960.80ms. Allocated memory was 436.2MB in the beginning and 1.6GB in the end (delta: 1.2GB). Free memory was 315.5MB in the beginning and 917.2MB in the end (delta: -601.7MB). Peak memory consumption was 591.0MB. Max. memory is 16.1GB. * CodeCheck took 91089.28ms. Allocated memory was 1.6GB in the beginning and 2.8GB in the end (delta: 1.1GB). Free memory was 917.2MB in the beginning and 1.7GB in the end (delta: -790.0MB). Peak memory consumption was 329.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:22:15,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3a4e87-3056-44a5-9480-71dae17a89b7/bin/ukojak-verify-EEHR8qb7sm/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3a4e87-3056-44a5-9480-71dae17a89b7/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3a4e87-3056-44a5-9480-71dae17a89b7/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_dc3a4e87-3056-44a5-9480-71dae17a89b7/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3a4e87-3056-44a5-9480-71dae17a89b7/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3a4e87-3056-44a5-9480-71dae17a89b7/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_dc3a4e87-3056-44a5-9480-71dae17a89b7/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 7da5f319f25cda7b021cc345254a912773e9daeba600652cb5cce7767fa404e1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:22:18,493 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:22:18,595 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3a4e87-3056-44a5-9480-71dae17a89b7/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 21:22:18,646 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:22:18,648 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:22:18,648 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:22:18,649 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:22:18,649 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:22:18,649 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:22:18,650 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:22:18,650 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:22:18,651 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:22:18,651 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:22:18,651 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:22:18,651 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:22:18,651 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:22:18,651 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:22:18,652 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:22:18,652 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:22:18,652 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:22:18,652 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:22:18,652 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:22:18,652 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:22:18,653 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:22:18,653 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:22:18,653 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:22:18,653 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:22:18,653 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:22:18,654 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:22:18,654 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:22:18,654 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:22:18,654 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:22:18,654 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:22:18,654 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_dc3a4e87-3056-44a5-9480-71dae17a89b7/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 -> 7da5f319f25cda7b021cc345254a912773e9daeba600652cb5cce7767fa404e1 [2024-11-13 21:22:18,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:22:18,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:22:18,979 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:22:18,982 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:22:18,982 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:22:18,987 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3a4e87-3056-44a5-9480-71dae17a89b7/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-func-interl.c Unable to find full path for "g++" [2024-11-13 21:22:20,988 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:22:21,426 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:22:21,427 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3a4e87-3056-44a5-9480-71dae17a89b7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-func-interl.c [2024-11-13 21:22:21,454 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3a4e87-3056-44a5-9480-71dae17a89b7/bin/ukojak-verify-EEHR8qb7sm/data/da5f1d602/78143ce7e6d1405687c55dd430d0314e/FLAG16b437a01 [2024-11-13 21:22:21,480 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3a4e87-3056-44a5-9480-71dae17a89b7/bin/ukojak-verify-EEHR8qb7sm/data/da5f1d602/78143ce7e6d1405687c55dd430d0314e [2024-11-13 21:22:21,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:22:21,486 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:22:21,488 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:22:21,488 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:22:21,492 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:22:21,493 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:22:21" (1/1) ... [2024-11-13 21:22:21,494 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@518d9a47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:21, skipping insertion in model container [2024-11-13 21:22:21,494 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:22:21" (1/1) ... [2024-11-13 21:22:21,566 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:22:21,794 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_dc3a4e87-3056-44a5-9480-71dae17a89b7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-func-interl.c[1181,1194] [2024-11-13 21:22:22,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:22:22,204 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:22:22,215 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_dc3a4e87-3056-44a5-9480-71dae17a89b7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-func-interl.c[1181,1194] [2024-11-13 21:22:22,398 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:22:22,423 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:22:22,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:22 WrapperNode [2024-11-13 21:22:22,424 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:22:22,425 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:22:22,425 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:22:22,425 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:22:22,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:22" (1/1) ... [2024-11-13 21:22:22,465 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:22" (1/1) ... [2024-11-13 21:22:22,595 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1598 [2024-11-13 21:22:22,596 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:22:22,596 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:22:22,596 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:22:22,596 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:22:22,605 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:22" (1/1) ... [2024-11-13 21:22:22,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:22" (1/1) ... [2024-11-13 21:22:22,624 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:22" (1/1) ... [2024-11-13 21:22:22,628 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:22" (1/1) ... [2024-11-13 21:22:22,671 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:22" (1/1) ... [2024-11-13 21:22:22,683 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:22" (1/1) ... [2024-11-13 21:22:22,688 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:22" (1/1) ... [2024-11-13 21:22:22,702 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:22" (1/1) ... [2024-11-13 21:22:22,725 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:22:22,728 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:22:22,728 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:22:22,728 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:22:22,729 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:22" (1/1) ... [2024-11-13 21:22:22,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:22:22,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3a4e87-3056-44a5-9480-71dae17a89b7/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:22:22,772 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3a4e87-3056-44a5-9480-71dae17a89b7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:22:22,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3a4e87-3056-44a5-9480-71dae17a89b7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:22:22,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:22:22,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:22:22,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:22:22,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:22:23,214 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:22:23,215 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:22:24,940 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2024-11-13 21:22:24,941 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:22:25,031 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:22:25,032 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:22:25,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:22:25 BoogieIcfgContainer [2024-11-13 21:22:25,032 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:22:25,033 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:22:25,033 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:22:25,043 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:22:25,043 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:22:25" (1/1) ... [2024-11-13 21:22:25,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:22:25,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:22:25,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:22:25,108 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:22:25,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:22:25,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:22:25,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:22:25,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3a4e87-3056-44a5-9480-71dae17a89b7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:22:25,115 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3a4e87-3056-44a5-9480-71dae17a89b7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:22:25,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3a4e87-3056-44a5-9480-71dae17a89b7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:22:25,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:22:25,748 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:22:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:22:25,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 21:22:25,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:22:26,025 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 21:22:26,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3a4e87-3056-44a5-9480-71dae17a89b7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:22:26,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:22:26,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 21:22:26,192 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 21:22:26,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:22:26,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:22:26,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:22:26,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3a4e87-3056-44a5-9480-71dae17a89b7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:22:26,196 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3a4e87-3056-44a5-9480-71dae17a89b7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:22:26,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc3a4e87-3056-44a5-9480-71dae17a89b7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:22:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:22:27,159 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:22:27,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:22:27,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 21:22:27,470 INFO L278 TraceCheckSpWp]: Computing forward predicates...