./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.3.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_fbdf2731-ab21-41e5-9f68-7776183dfca3/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf2731-ab21-41e5-9f68-7776183dfca3/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_fbdf2731-ab21-41e5-9f68-7776183dfca3/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf2731-ab21-41e5-9f68-7776183dfca3/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf2731-ab21-41e5-9f68-7776183dfca3/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_fbdf2731-ab21-41e5-9f68-7776183dfca3/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 03d3365e4329e2abfa83a6243ec4527c1c8b3ff3e588dc08c9ff2c43cf112871 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:35:30,749 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:35:30,829 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf2731-ab21-41e5-9f68-7776183dfca3/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 20:35:30,834 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:35:30,834 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:35:30,856 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:35:30,856 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:35:30,857 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:35:30,857 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:35:30,857 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:35:30,857 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:35:30,858 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:35:30,858 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:35:30,858 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:35:30,858 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:35:30,858 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:35:30,859 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:35:30,859 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:35:30,859 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:35:30,859 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:35:30,859 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:35:30,860 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:35:30,860 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:35:30,860 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:35:30,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:35:30,860 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:35:30,860 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:35:30,860 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:35:30,860 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:35:30,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:35:30,860 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_fbdf2731-ab21-41e5-9f68-7776183dfca3/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 -> 03d3365e4329e2abfa83a6243ec4527c1c8b3ff3e588dc08c9ff2c43cf112871 [2024-11-13 20:35:31,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:35:31,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:35:31,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:35:31,165 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:35:31,166 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:35:31,167 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf2731-ab21-41e5-9f68-7776183dfca3/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.3.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 20:35:33,044 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:35:33,624 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:35:33,625 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf2731-ab21-41e5-9f68-7776183dfca3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.3.prop1-back-serstep.c [2024-11-13 20:35:33,669 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf2731-ab21-41e5-9f68-7776183dfca3/bin/ukojak-verify-EEHR8qb7sm/data/c58f2d896/c0351b9dbd7d4d80bfc44f4bfb5edd03/FLAG0cea60603 [2024-11-13 20:35:33,692 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf2731-ab21-41e5-9f68-7776183dfca3/bin/ukojak-verify-EEHR8qb7sm/data/c58f2d896/c0351b9dbd7d4d80bfc44f4bfb5edd03 [2024-11-13 20:35:33,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:35:33,696 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:35:33,698 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:35:33,699 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:35:33,704 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:35:33,705 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:35:33" (1/1) ... [2024-11-13 20:35:33,708 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46655f87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:33, skipping insertion in model container [2024-11-13 20:35:33,708 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:35:33" (1/1) ... [2024-11-13 20:35:33,821 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:35:34,036 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_fbdf2731-ab21-41e5-9f68-7776183dfca3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.3.prop1-back-serstep.c[1182,1195] [2024-11-13 20:35:34,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:35:34,699 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:35:34,710 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_fbdf2731-ab21-41e5-9f68-7776183dfca3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.3.prop1-back-serstep.c[1182,1195] [2024-11-13 20:35:35,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:35:35,055 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:35:35,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:35 WrapperNode [2024-11-13 20:35:35,057 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:35:35,058 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:35:35,058 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:35:35,058 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:35:35,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:35" (1/1) ... [2024-11-13 20:35:35,178 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:35" (1/1) ... [2024-11-13 20:35:36,353 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9231 [2024-11-13 20:35:36,354 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:35:36,354 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:35:36,354 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:35:36,354 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:35:36,360 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:35" (1/1) ... [2024-11-13 20:35:36,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:35" (1/1) ... [2024-11-13 20:35:36,625 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:35" (1/1) ... [2024-11-13 20:35:36,625 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:35" (1/1) ... [2024-11-13 20:35:37,096 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:35" (1/1) ... [2024-11-13 20:35:37,232 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:35" (1/1) ... [2024-11-13 20:35:37,332 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:35" (1/1) ... [2024-11-13 20:35:37,380 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:35" (1/1) ... [2024-11-13 20:35:37,579 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:35:37,584 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:35:37,584 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:35:37,585 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:35:37,588 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:35" (1/1) ... [2024-11-13 20:35:37,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:35:37,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf2731-ab21-41e5-9f68-7776183dfca3/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:35:37,656 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf2731-ab21-41e5-9f68-7776183dfca3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:35:37,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf2731-ab21-41e5-9f68-7776183dfca3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:35:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:35:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:35:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:35:37,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:35:38,699 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:35:38,701 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:35:51,922 INFO L? ?]: Removed 5368 outVars from TransFormulas that were not future-live. [2024-11-13 20:35:51,923 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:36:08,346 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:36:08,347 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:36:08,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:36:08 BoogieIcfgContainer [2024-11-13 20:36:08,348 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:36:08,349 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:36:08,349 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:36:08,358 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:36:08,358 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:36:08" (1/1) ... [2024-11-13 20:36:08,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:36:08,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:36:08,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 20:36:08,426 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 20:36:08,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:36:08,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:36:08,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:36:10,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:36:23,706 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 20:36:34,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:36:44,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:36:56,343 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 20:36:56,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:36:56,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 20:36:56,398 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 20:36:56,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:36:56,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:36:56,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:40:31,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:40:31,977 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:44:48,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:45:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:45:00,344 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 20:45:00,350 INFO L158 Benchmark]: Toolchain (without parser) took 566653.54ms. Allocated memory was 142.6MB in the beginning and 5.6GB in the end (delta: 5.4GB). Free memory was 113.4MB in the beginning and 3.1GB in the end (delta: -2.9GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. [2024-11-13 20:45:00,350 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:45:00,350 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1358.99ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 61.7MB in the end (delta: 51.4MB). Peak memory consumption was 123.5MB. Max. memory is 16.1GB. [2024-11-13 20:45:00,351 INFO L158 Benchmark]: Boogie Procedure Inliner took 1295.56ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 61.7MB in the beginning and 113.1MB in the end (delta: -51.3MB). Peak memory consumption was 181.3MB. Max. memory is 16.1GB. [2024-11-13 20:45:00,352 INFO L158 Benchmark]: Boogie Preprocessor took 1229.21ms. Allocated memory was 302.0MB in the beginning and 369.1MB in the end (delta: 67.1MB). Free memory was 113.1MB in the beginning and 128.2MB in the end (delta: -15.1MB). Peak memory consumption was 76.8MB. Max. memory is 16.1GB. [2024-11-13 20:45:00,352 INFO L158 Benchmark]: RCFGBuilder took 30763.49ms. Allocated memory was 369.1MB in the beginning and 2.9GB in the end (delta: 2.5GB). Free memory was 128.2MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 863.3MB. Max. memory is 16.1GB. [2024-11-13 20:45:00,353 INFO L158 Benchmark]: CodeCheck took 532000.25ms. Allocated memory was 2.9GB in the beginning and 5.6GB in the end (delta: 2.7GB). Free memory was 1.9GB in the beginning and 3.1GB in the end (delta: -1.1GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2024-11-13 20:45:00,356 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 0.25ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1358.99ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 61.7MB in the end (delta: 51.4MB). Peak memory consumption was 123.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1295.56ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 61.7MB in the beginning and 113.1MB in the end (delta: -51.3MB). Peak memory consumption was 181.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1229.21ms. Allocated memory was 302.0MB in the beginning and 369.1MB in the end (delta: 67.1MB). Free memory was 113.1MB in the beginning and 128.2MB in the end (delta: -15.1MB). Peak memory consumption was 76.8MB. Max. memory is 16.1GB. * RCFGBuilder took 30763.49ms. Allocated memory was 369.1MB in the beginning and 2.9GB in the end (delta: 2.5GB). Free memory was 128.2MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 863.3MB. Max. memory is 16.1GB. * CodeCheck took 532000.25ms. Allocated memory was 2.9GB in the beginning and 5.6GB in the end (delta: 2.7GB). Free memory was 1.9GB in the beginning and 3.1GB in the end (delta: -1.1GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 20:45:00,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf2731-ab21-41e5-9f68-7776183dfca3/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_fbdf2731-ab21-41e5-9f68-7776183dfca3/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf2731-ab21-41e5-9f68-7776183dfca3/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_fbdf2731-ab21-41e5-9f68-7776183dfca3/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf2731-ab21-41e5-9f68-7776183dfca3/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf2731-ab21-41e5-9f68-7776183dfca3/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_fbdf2731-ab21-41e5-9f68-7776183dfca3/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 03d3365e4329e2abfa83a6243ec4527c1c8b3ff3e588dc08c9ff2c43cf112871 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:45:03,430 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:45:03,563 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf2731-ab21-41e5-9f68-7776183dfca3/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 20:45:03,592 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:45:03,593 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:45:03,593 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:45:03,593 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:45:03,594 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:45:03,594 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:45:03,594 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:45:03,594 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:45:03,594 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:45:03,594 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:45:03,595 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:45:03,595 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:45:03,595 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:45:03,595 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:45:03,595 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:45:03,595 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:45:03,595 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:45:03,596 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:45:03,596 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:45:03,596 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:45:03,596 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:45:03,596 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:45:03,596 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:45:03,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:45:03,597 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:45:03,597 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:45:03,597 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:45:03,597 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:45:03,597 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:45:03,597 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:45:03,598 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_fbdf2731-ab21-41e5-9f68-7776183dfca3/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 -> 03d3365e4329e2abfa83a6243ec4527c1c8b3ff3e588dc08c9ff2c43cf112871 [2024-11-13 20:45:03,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:45:03,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:45:03,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:45:03,935 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:45:03,935 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:45:03,937 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf2731-ab21-41e5-9f68-7776183dfca3/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.3.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 20:45:05,865 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:45:06,382 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:45:06,383 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf2731-ab21-41e5-9f68-7776183dfca3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.3.prop1-back-serstep.c [2024-11-13 20:45:06,420 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf2731-ab21-41e5-9f68-7776183dfca3/bin/ukojak-verify-EEHR8qb7sm/data/a4cbdc6cf/3fbed5f90fcd42808b339d16dc648c11/FLAGc3d1464d2 [2024-11-13 20:45:06,926 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf2731-ab21-41e5-9f68-7776183dfca3/bin/ukojak-verify-EEHR8qb7sm/data/a4cbdc6cf/3fbed5f90fcd42808b339d16dc648c11 [2024-11-13 20:45:06,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:45:06,930 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:45:06,932 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:45:06,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:45:06,937 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:45:06,938 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:45:06" (1/1) ... [2024-11-13 20:45:06,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b431e07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:06, skipping insertion in model container [2024-11-13 20:45:06,939 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:45:06" (1/1) ... [2024-11-13 20:45:07,015 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:45:07,277 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_fbdf2731-ab21-41e5-9f68-7776183dfca3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.3.prop1-back-serstep.c[1182,1195] [2024-11-13 20:45:07,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:45:07,863 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:45:07,874 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_fbdf2731-ab21-41e5-9f68-7776183dfca3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.3.prop1-back-serstep.c[1182,1195] [2024-11-13 20:45:08,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:45:08,173 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:45:08,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:08 WrapperNode [2024-11-13 20:45:08,174 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:45:08,175 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:45:08,175 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:45:08,175 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:45:08,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:08" (1/1) ... [2024-11-13 20:45:08,259 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:08" (1/1) ... [2024-11-13 20:45:08,546 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3599 [2024-11-13 20:45:08,547 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:45:08,548 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:45:08,548 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:45:08,548 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:45:08,558 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:08" (1/1) ... [2024-11-13 20:45:08,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:08" (1/1) ... [2024-11-13 20:45:08,596 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:08" (1/1) ... [2024-11-13 20:45:08,598 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:08" (1/1) ... [2024-11-13 20:45:08,687 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:08" (1/1) ... [2024-11-13 20:45:08,694 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:08" (1/1) ... [2024-11-13 20:45:08,708 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:08" (1/1) ... [2024-11-13 20:45:08,721 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:08" (1/1) ... [2024-11-13 20:45:08,763 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:45:08,765 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:45:08,765 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:45:08,766 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:45:08,768 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:08" (1/1) ... [2024-11-13 20:45:08,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:45:08,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf2731-ab21-41e5-9f68-7776183dfca3/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:45:08,807 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf2731-ab21-41e5-9f68-7776183dfca3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:45:08,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf2731-ab21-41e5-9f68-7776183dfca3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:45:08,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:45:08,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:45:08,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:45:08,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:45:09,628 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:45:09,631 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:45:15,793 INFO L? ?]: Removed 336 outVars from TransFormulas that were not future-live. [2024-11-13 20:45:15,793 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:45:15,942 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:45:15,942 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:45:15,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:45:15 BoogieIcfgContainer [2024-11-13 20:45:15,943 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:45:15,944 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:45:15,944 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:45:15,955 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:45:15,956 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:45:15" (1/1) ... [2024-11-13 20:45:15,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:45:16,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:16,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 20:45:16,026 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 20:45:16,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:45:16,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:16,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:45:16,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf2731-ab21-41e5-9f68-7776183dfca3/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:45:16,033 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf2731-ab21-41e5-9f68-7776183dfca3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:45:16,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf2731-ab21-41e5-9f68-7776183dfca3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:45:17,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:17,544 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:45:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:18,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 20:45:18,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:45:18,126 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 20:45:18,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf2731-ab21-41e5-9f68-7776183dfca3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 20:45:18,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:18,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 20:45:18,718 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 20:45:18,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:45:18,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:18,718 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:45:18,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf2731-ab21-41e5-9f68-7776183dfca3/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:45:18,721 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf2731-ab21-41e5-9f68-7776183dfca3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:45:18,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf2731-ab21-41e5-9f68-7776183dfca3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:45:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:21,061 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:45:21,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:21,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 82 conjuncts are in the unsatisfiable core [2024-11-13 20:45:21,823 INFO L278 TraceCheckSpWp]: Computing forward predicates...