./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d10bd1-3f9a-4443-800c-287ac43413f9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d10bd1-3f9a-4443-800c-287ac43413f9/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_e3d10bd1-3f9a-4443-800c-287ac43413f9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d10bd1-3f9a-4443-800c-287ac43413f9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d10bd1-3f9a-4443-800c-287ac43413f9/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_e3d10bd1-3f9a-4443-800c-287ac43413f9/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 d62e11467b4f8e6e4377d512785402cf64afe5554a5b65452d03a3048801a40a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:10:21,926 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:10:21,985 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d10bd1-3f9a-4443-800c-287ac43413f9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 23:10:21,995 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:10:21,996 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:10:22,040 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:10:22,044 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:10:22,045 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:10:22,045 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:10:22,045 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:10:22,045 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:10:22,045 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:10:22,045 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:10:22,046 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:10:22,046 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:10:22,046 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:10:22,046 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:10:22,046 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:10:22,046 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:10:22,046 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:10:22,046 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:10:22,046 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:10:22,046 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:10:22,047 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:10:22,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:10:22,047 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:10:22,047 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:10:22,047 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:10:22,047 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:10:22,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:10:22,047 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_e3d10bd1-3f9a-4443-800c-287ac43413f9/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 -> d62e11467b4f8e6e4377d512785402cf64afe5554a5b65452d03a3048801a40a [2024-11-13 23:10:22,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:10:22,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:10:22,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:10:22,392 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:10:22,392 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:10:22,393 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d10bd1-3f9a-4443-800c-287ac43413f9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 23:10:24,428 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:10:24,797 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:10:24,798 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d10bd1-3f9a-4443-800c-287ac43413f9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c [2024-11-13 23:10:24,814 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d10bd1-3f9a-4443-800c-287ac43413f9/bin/ukojak-verify-EEHR8qb7sm/data/258b76c35/8aca1c8fc985427bb2f659e4adf5ec9a/FLAGdba75aea4 [2024-11-13 23:10:24,829 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d10bd1-3f9a-4443-800c-287ac43413f9/bin/ukojak-verify-EEHR8qb7sm/data/258b76c35/8aca1c8fc985427bb2f659e4adf5ec9a [2024-11-13 23:10:24,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:10:24,833 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:10:24,834 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:10:24,834 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:10:24,839 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:10:24,840 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:10:24" (1/1) ... [2024-11-13 23:10:24,841 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@199a0df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:24, skipping insertion in model container [2024-11-13 23:10:24,841 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:10:24" (1/1) ... [2024-11-13 23:10:24,893 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:10:25,115 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_e3d10bd1-3f9a-4443-800c-287ac43413f9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c[1174,1187] [2024-11-13 23:10:25,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:10:25,507 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:10:25,517 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_e3d10bd1-3f9a-4443-800c-287ac43413f9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c[1174,1187] [2024-11-13 23:10:25,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:10:25,747 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:10:25,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:25 WrapperNode [2024-11-13 23:10:25,748 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:10:25,749 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:10:25,749 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:10:25,749 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:10:25,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:25" (1/1) ... [2024-11-13 23:10:25,854 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:25" (1/1) ... [2024-11-13 23:10:26,427 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4340 [2024-11-13 23:10:26,428 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:10:26,429 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:10:26,433 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:10:26,433 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:10:26,444 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:25" (1/1) ... [2024-11-13 23:10:26,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:25" (1/1) ... [2024-11-13 23:10:26,597 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:25" (1/1) ... [2024-11-13 23:10:26,597 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:25" (1/1) ... [2024-11-13 23:10:26,741 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:25" (1/1) ... [2024-11-13 23:10:26,762 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:25" (1/1) ... [2024-11-13 23:10:26,807 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:25" (1/1) ... [2024-11-13 23:10:26,828 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:25" (1/1) ... [2024-11-13 23:10:26,935 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:10:26,937 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:10:26,937 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:10:26,937 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:10:26,939 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:25" (1/1) ... [2024-11-13 23:10:26,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:10:26,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d10bd1-3f9a-4443-800c-287ac43413f9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:10:26,982 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d10bd1-3f9a-4443-800c-287ac43413f9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:10:26,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d10bd1-3f9a-4443-800c-287ac43413f9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:10:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:10:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:10:27,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:10:27,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:10:27,485 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:10:27,486 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:10:34,498 INFO L? ?]: Removed 2368 outVars from TransFormulas that were not future-live. [2024-11-13 23:10:34,498 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:10:43,213 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:10:43,214 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:10:43,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:10:43 BoogieIcfgContainer [2024-11-13 23:10:43,214 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:10:43,216 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:10:43,216 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:10:43,229 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:10:43,229 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:10:43" (1/1) ... [2024-11-13 23:10:43,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:10:43,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:43,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 23:10:43,317 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 23:10:43,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 23:10:43,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:43,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:45,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:48,078 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 23:10:58,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:11:08,405 WARN L539 Checker$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 23:11:10,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:11:12,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:12,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 23:11:12,234 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 23:11:12,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:11:12,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:12,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:11:45,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:11:45,057 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:12:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:12:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:12:25,683 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 23:12:25,691 INFO L158 Benchmark]: Toolchain (without parser) took 120857.88ms. Allocated memory was 117.4MB in the beginning and 3.6GB in the end (delta: 3.5GB). Free memory was 90.0MB in the beginning and 2.9GB in the end (delta: -2.8GB). Peak memory consumption was 702.5MB. Max. memory is 16.1GB. [2024-11-13 23:12:25,691 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 40.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:12:25,691 INFO L158 Benchmark]: CACSL2BoogieTranslator took 914.54ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 72.5MB in the end (delta: 17.5MB). Peak memory consumption was 77.1MB. Max. memory is 16.1GB. [2024-11-13 23:12:25,695 INFO L158 Benchmark]: Boogie Procedure Inliner took 679.22ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 72.5MB in the beginning and 116.9MB in the end (delta: -44.4MB). Peak memory consumption was 71.1MB. Max. memory is 16.1GB. [2024-11-13 23:12:25,696 INFO L158 Benchmark]: Boogie Preprocessor took 506.29ms. Allocated memory is still 234.9MB. Free memory was 116.9MB in the beginning and 100.6MB in the end (delta: 16.3MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2024-11-13 23:12:25,697 INFO L158 Benchmark]: RCFGBuilder took 16277.52ms. Allocated memory was 234.9MB in the beginning and 922.7MB in the end (delta: 687.9MB). Free memory was 100.6MB in the beginning and 197.1MB in the end (delta: -96.6MB). Peak memory consumption was 651.9MB. Max. memory is 16.1GB. [2024-11-13 23:12:25,698 INFO L158 Benchmark]: CodeCheck took 102474.11ms. Allocated memory was 922.7MB in the beginning and 3.6GB in the end (delta: 2.7GB). Free memory was 197.1MB in the beginning and 2.9GB in the end (delta: -2.7GB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2024-11-13 23:12:25,703 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 0.27ms. Allocated memory is still 83.9MB. Free memory is still 40.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 914.54ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 72.5MB in the end (delta: 17.5MB). Peak memory consumption was 77.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 679.22ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 72.5MB in the beginning and 116.9MB in the end (delta: -44.4MB). Peak memory consumption was 71.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 506.29ms. Allocated memory is still 234.9MB. Free memory was 116.9MB in the beginning and 100.6MB in the end (delta: 16.3MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. * RCFGBuilder took 16277.52ms. Allocated memory was 234.9MB in the beginning and 922.7MB in the end (delta: 687.9MB). Free memory was 100.6MB in the beginning and 197.1MB in the end (delta: -96.6MB). Peak memory consumption was 651.9MB. Max. memory is 16.1GB. * CodeCheck took 102474.11ms. Allocated memory was 922.7MB in the beginning and 3.6GB in the end (delta: 2.7GB). Free memory was 197.1MB in the beginning and 2.9GB in the end (delta: -2.7GB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 23:12:25,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d10bd1-3f9a-4443-800c-287ac43413f9/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_e3d10bd1-3f9a-4443-800c-287ac43413f9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d10bd1-3f9a-4443-800c-287ac43413f9/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_e3d10bd1-3f9a-4443-800c-287ac43413f9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d10bd1-3f9a-4443-800c-287ac43413f9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d10bd1-3f9a-4443-800c-287ac43413f9/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_e3d10bd1-3f9a-4443-800c-287ac43413f9/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 d62e11467b4f8e6e4377d512785402cf64afe5554a5b65452d03a3048801a40a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:12:28,506 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:12:28,646 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d10bd1-3f9a-4443-800c-287ac43413f9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 23:12:28,685 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:12:28,686 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:12:28,687 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:12:28,687 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:12:28,688 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:12:28,688 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:12:28,689 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:12:28,690 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:12:28,690 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:12:28,690 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:12:28,690 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:12:28,691 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:12:28,691 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:12:28,691 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:12:28,691 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:12:28,691 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:12:28,691 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:12:28,691 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:12:28,692 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:12:28,692 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:12:28,692 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:12:28,692 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:12:28,692 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:12:28,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:12:28,692 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:12:28,692 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:12:28,692 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:12:28,692 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:12:28,692 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:12:28,692 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:12:28,692 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_e3d10bd1-3f9a-4443-800c-287ac43413f9/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 -> d62e11467b4f8e6e4377d512785402cf64afe5554a5b65452d03a3048801a40a [2024-11-13 23:12:29,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:12:29,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:12:29,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:12:29,058 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:12:29,059 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:12:29,060 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d10bd1-3f9a-4443-800c-287ac43413f9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 23:12:30,954 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:12:31,296 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:12:31,297 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d10bd1-3f9a-4443-800c-287ac43413f9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c [2024-11-13 23:12:31,318 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d10bd1-3f9a-4443-800c-287ac43413f9/bin/ukojak-verify-EEHR8qb7sm/data/5cc593291/f44fdc833a244db78d119f2a1d5dbc8d/FLAGc307335be [2024-11-13 23:12:31,346 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d10bd1-3f9a-4443-800c-287ac43413f9/bin/ukojak-verify-EEHR8qb7sm/data/5cc593291/f44fdc833a244db78d119f2a1d5dbc8d [2024-11-13 23:12:31,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:12:31,354 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:12:31,357 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:12:31,357 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:12:31,362 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:12:31,363 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:12:31" (1/1) ... [2024-11-13 23:12:31,364 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f972b86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:31, skipping insertion in model container [2024-11-13 23:12:31,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:12:31" (1/1) ... [2024-11-13 23:12:31,432 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:12:31,643 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_e3d10bd1-3f9a-4443-800c-287ac43413f9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c[1174,1187] [2024-11-13 23:12:31,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:12:32,008 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:12:32,020 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_e3d10bd1-3f9a-4443-800c-287ac43413f9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c[1174,1187] [2024-11-13 23:12:32,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:12:32,170 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:12:32,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:32 WrapperNode [2024-11-13 23:12:32,171 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:12:32,172 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:12:32,172 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:12:32,173 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:12:32,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:32" (1/1) ... [2024-11-13 23:12:32,213 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:32" (1/1) ... [2024-11-13 23:12:32,351 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1420 [2024-11-13 23:12:32,352 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:12:32,352 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:12:32,353 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:12:32,353 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:12:32,360 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:32" (1/1) ... [2024-11-13 23:12:32,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:32" (1/1) ... [2024-11-13 23:12:32,377 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:32" (1/1) ... [2024-11-13 23:12:32,377 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:32" (1/1) ... [2024-11-13 23:12:32,406 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:32" (1/1) ... [2024-11-13 23:12:32,410 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:32" (1/1) ... [2024-11-13 23:12:32,416 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:32" (1/1) ... [2024-11-13 23:12:32,421 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:32" (1/1) ... [2024-11-13 23:12:32,433 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:12:32,436 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:12:32,437 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:12:32,437 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:12:32,438 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:32" (1/1) ... [2024-11-13 23:12:32,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:12:32,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d10bd1-3f9a-4443-800c-287ac43413f9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:12:32,527 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d10bd1-3f9a-4443-800c-287ac43413f9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:12:32,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d10bd1-3f9a-4443-800c-287ac43413f9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:12:32,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:12:32,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 23:12:32,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:12:32,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:12:32,966 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:12:32,968 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:12:35,310 INFO L? ?]: Removed 145 outVars from TransFormulas that were not future-live. [2024-11-13 23:12:35,310 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:12:35,412 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:12:35,413 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:12:35,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:12:35 BoogieIcfgContainer [2024-11-13 23:12:35,414 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:12:35,415 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:12:35,415 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:12:35,429 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:12:35,429 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:12:35" (1/1) ... [2024-11-13 23:12:35,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:12:35,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:12:35,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 23:12:35,487 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 23:12:35,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 23:12:35,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:12:35,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:12:35,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d10bd1-3f9a-4443-800c-287ac43413f9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:12:35,495 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d10bd1-3f9a-4443-800c-287ac43413f9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:12:35,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d10bd1-3f9a-4443-800c-287ac43413f9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:12:36,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:36,132 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:12:36,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:36,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 23:12:36,349 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:12:36,432 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 23:12:36,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d10bd1-3f9a-4443-800c-287ac43413f9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 23:12:36,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:12:36,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 23:12:36,706 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 23:12:36,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:12:36,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:12:36,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:12:36,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d10bd1-3f9a-4443-800c-287ac43413f9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:12:36,711 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d10bd1-3f9a-4443-800c-287ac43413f9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:12:36,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d10bd1-3f9a-4443-800c-287ac43413f9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 23:12:37,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:37,618 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:12:37,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:37,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-13 23:12:38,013 INFO L278 TraceCheckSpWp]: Computing forward predicates...