./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b --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 c85f63b97e487048f2c2b8f38bfa206bb2718529ea0460dfe47c8cbf02866302 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:20:30,152 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:20:30,206 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 06:20:30,211 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 06:20:30,211 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 06:20:30,230 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:20:30,231 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:20:30,231 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:20:30,231 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:20:30,231 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:20:30,231 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:20:30,232 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:20:30,232 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:20:30,232 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:20:30,232 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:20:30,232 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:20:30,232 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:20:30,232 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:20:30,232 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:20:30,232 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:20:30,232 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:20:30,232 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:20:30,232 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:20:30,233 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:20:30,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:20:30,233 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:20:30,233 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:20:30,233 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:20:30,233 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 06:20:30,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 06:20:30,233 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_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b 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 -> c85f63b97e487048f2c2b8f38bfa206bb2718529ea0460dfe47c8cbf02866302 [2024-12-06 06:20:30,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:20:30,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:20:30,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:20:30,476 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:20:30,477 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:20:30,478 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c [2024-12-06 06:20:33,189 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b/data/97b745592/91f484a0dc42431087971031293465e4/FLAG4b45fb6dc [2024-12-06 06:20:33,419 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:20:33,420 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c [2024-12-06 06:20:33,431 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b/data/97b745592/91f484a0dc42431087971031293465e4/FLAG4b45fb6dc [2024-12-06 06:20:33,735 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b/data/97b745592/91f484a0dc42431087971031293465e4 [2024-12-06 06:20:33,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:20:33,739 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:20:33,740 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:20:33,740 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:20:33,744 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:20:33,745 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:20:33" (1/1) ... [2024-12-06 06:20:33,745 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7941866d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:33, skipping insertion in model container [2024-12-06 06:20:33,746 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:20:33" (1/1) ... [2024-12-06 06:20:33,783 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:20:33,926 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_afdb6a8e-4597-46bb-9949-9231b0cd8004/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c[1176,1189] [2024-12-06 06:20:34,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:20:34,110 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:20:34,117 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_afdb6a8e-4597-46bb-9949-9231b0cd8004/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c[1176,1189] [2024-12-06 06:20:34,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:20:34,221 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:20:34,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:34 WrapperNode [2024-12-06 06:20:34,221 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:20:34,222 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:20:34,222 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:20:34,222 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:20:34,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:34" (1/1) ... [2024-12-06 06:20:34,258 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:34" (1/1) ... [2024-12-06 06:20:34,557 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3443 [2024-12-06 06:20:34,557 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:20:34,558 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:20:34,558 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:20:34,558 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:20:34,563 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:34" (1/1) ... [2024-12-06 06:20:34,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:34" (1/1) ... [2024-12-06 06:20:34,604 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:34" (1/1) ... [2024-12-06 06:20:34,605 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:34" (1/1) ... [2024-12-06 06:20:34,719 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:34" (1/1) ... [2024-12-06 06:20:34,742 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:34" (1/1) ... [2024-12-06 06:20:34,760 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:34" (1/1) ... [2024-12-06 06:20:34,780 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:34" (1/1) ... [2024-12-06 06:20:34,792 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:34" (1/1) ... [2024-12-06 06:20:34,864 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:20:34,865 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:20:34,865 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:20:34,865 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:20:34,866 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:20:34" (1/1) ... [2024-12-06 06:20:34,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:20:34,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:20:34,890 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:20:34,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:20:34,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:20:34,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 06:20:34,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:20:34,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:20:35,142 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:20:35,143 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:20:38,737 INFO L? ?]: Removed 1841 outVars from TransFormulas that were not future-live. [2024-12-06 06:20:38,737 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:20:42,586 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:20:42,587 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 06:20:42,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:20:42 BoogieIcfgContainer [2024-12-06 06:20:42,587 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:20:42,588 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:20:42,588 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:20:42,597 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:20:42,597 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:20:42" (1/1) ... [2024-12-06 06:20:42,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:20:42,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:20:42,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 06:20:42,651 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 06:20:42,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 06:20:42,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:20:42,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:20:43,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:20:43,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:20:54,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:21:04,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:21:04,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:21:04,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 06:21:04,171 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 06:21:04,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 06:21:04,171 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:21:04,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:21:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:21:17,014 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:21:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:21:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:21:35,607 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) [2024-12-06 06:21:35,610 INFO L158 Benchmark]: Toolchain (without parser) took 61871.89ms. Allocated memory was 142.6MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 116.8MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 637.2MB. Max. memory is 16.1GB. [2024-12-06 06:21:35,611 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:21:35,611 INFO L158 Benchmark]: CACSL2BoogieTranslator took 481.78ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 70.8MB in the end (delta: 46.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-06 06:21:35,611 INFO L158 Benchmark]: Boogie Procedure Inliner took 335.12ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 70.8MB in the beginning and 64.1MB in the end (delta: 6.7MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. [2024-12-06 06:21:35,612 INFO L158 Benchmark]: Boogie Preprocessor took 306.69ms. Allocated memory was 151.0MB in the beginning and 453.0MB in the end (delta: 302.0MB). Free memory was 64.1MB in the beginning and 349.9MB in the end (delta: -285.9MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. [2024-12-06 06:21:35,612 INFO L158 Benchmark]: RCFGBuilder took 7721.99ms. Allocated memory was 453.0MB in the beginning and 1.4GB in the end (delta: 922.7MB). Free memory was 349.6MB in the beginning and 1.1GB in the end (delta: -782.0MB). Peak memory consumption was 611.9MB. Max. memory is 16.1GB. [2024-12-06 06:21:35,612 INFO L158 Benchmark]: CodeCheck took 53021.90ms. Allocated memory was 1.4GB in the beginning and 2.3GB in the end (delta: 973.1MB). Free memory was 1.1GB in the beginning and 1.7GB in the end (delta: -550.6MB). Peak memory consumption was 418.6MB. Max. memory is 16.1GB. [2024-12-06 06:21:35,614 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 0.31ms. Allocated memory is still 142.6MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 481.78ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 70.8MB in the end (delta: 46.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 335.12ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 70.8MB in the beginning and 64.1MB in the end (delta: 6.7MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 306.69ms. Allocated memory was 151.0MB in the beginning and 453.0MB in the end (delta: 302.0MB). Free memory was 64.1MB in the beginning and 349.9MB in the end (delta: -285.9MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. * RCFGBuilder took 7721.99ms. Allocated memory was 453.0MB in the beginning and 1.4GB in the end (delta: 922.7MB). Free memory was 349.6MB in the beginning and 1.1GB in the end (delta: -782.0MB). Peak memory consumption was 611.9MB. Max. memory is 16.1GB. * CodeCheck took 53021.90ms. Allocated memory was 1.4GB in the beginning and 2.3GB in the end (delta: 973.1MB). Free memory was 1.1GB in the beginning and 1.7GB in the end (delta: -550.6MB). Peak memory consumption was 418.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 06:21:35,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b/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_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b --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 c85f63b97e487048f2c2b8f38bfa206bb2718529ea0460dfe47c8cbf02866302 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:21:37,624 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:21:37,697 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 06:21:37,721 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:21:37,721 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:21:37,722 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:21:37,722 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:21:37,722 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:21:37,722 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:21:37,722 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:21:37,722 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:21:37,722 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:21:37,723 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:21:37,723 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:21:37,723 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 06:21:37,723 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 06:21:37,723 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 06:21:37,723 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:21:37,723 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:21:37,723 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:21:37,723 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:21:37,723 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:21:37,723 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:21:37,724 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:21:37,724 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 06:21:37,724 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:21:37,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:21:37,724 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:21:37,724 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:21:37,724 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:21:37,724 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 06:21:37,724 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:21:37,724 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 06:21:37,724 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_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b 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 -> c85f63b97e487048f2c2b8f38bfa206bb2718529ea0460dfe47c8cbf02866302 [2024-12-06 06:21:37,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:21:37,949 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:21:37,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:21:37,953 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:21:37,953 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:21:37,954 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c [2024-12-06 06:21:40,726 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b/data/2ac463303/fe6f1c958da64a61be72bacd4cfc67e4/FLAGeef073ced [2024-12-06 06:21:40,959 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:21:40,960 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c [2024-12-06 06:21:40,971 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b/data/2ac463303/fe6f1c958da64a61be72bacd4cfc67e4/FLAGeef073ced [2024-12-06 06:21:40,982 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b/data/2ac463303/fe6f1c958da64a61be72bacd4cfc67e4 [2024-12-06 06:21:40,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:21:40,985 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:21:40,986 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:21:40,986 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:21:40,991 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:21:40,992 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:21:40" (1/1) ... [2024-12-06 06:21:40,993 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e2f4eb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:40, skipping insertion in model container [2024-12-06 06:21:40,993 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:21:40" (1/1) ... [2024-12-06 06:21:41,024 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:21:41,164 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_afdb6a8e-4597-46bb-9949-9231b0cd8004/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c[1176,1189] [2024-12-06 06:21:41,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:21:41,335 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:21:41,345 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_afdb6a8e-4597-46bb-9949-9231b0cd8004/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c[1176,1189] [2024-12-06 06:21:41,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:21:41,433 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:21:41,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:41 WrapperNode [2024-12-06 06:21:41,433 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:21:41,434 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:21:41,434 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:21:41,434 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:21:41,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:41" (1/1) ... [2024-12-06 06:21:41,458 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:41" (1/1) ... [2024-12-06 06:21:41,505 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 979 [2024-12-06 06:21:41,505 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:21:41,510 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:21:41,510 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:21:41,510 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:21:41,519 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:41" (1/1) ... [2024-12-06 06:21:41,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:41" (1/1) ... [2024-12-06 06:21:41,528 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:41" (1/1) ... [2024-12-06 06:21:41,528 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:41" (1/1) ... [2024-12-06 06:21:41,573 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:41" (1/1) ... [2024-12-06 06:21:41,580 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:41" (1/1) ... [2024-12-06 06:21:41,587 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:41" (1/1) ... [2024-12-06 06:21:41,595 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:41" (1/1) ... [2024-12-06 06:21:41,602 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:41" (1/1) ... [2024-12-06 06:21:41,616 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:21:41,617 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:21:41,617 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:21:41,618 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:21:41,619 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:41" (1/1) ... [2024-12-06 06:21:41,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:21:41,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:21:41,650 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:21:41,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:21:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:21:41,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 06:21:41,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:21:41,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:21:41,873 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:21:41,875 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:21:42,524 INFO L? ?]: Removed 57 outVars from TransFormulas that were not future-live. [2024-12-06 06:21:42,524 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:21:42,572 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:21:42,572 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 06:21:42,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:21:42 BoogieIcfgContainer [2024-12-06 06:21:42,572 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:21:42,573 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:21:42,573 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:21:42,580 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:21:42,581 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:21:42" (1/1) ... [2024-12-06 06:21:42,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:21:42,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:21:42,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 06:21:42,621 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 06:21:42,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 06:21:42,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:21:42,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:21:42,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:21:42,625 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:21:42,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 06:21:42,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:21:42,939 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:21:43,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:21:43,024 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 06:21:43,032 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:21:43,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:21:43,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 06:21:43,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:21:43,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 06:21:43,200 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 06:21:43,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 06:21:43,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:21:43,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:21:43,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:21:43,203 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:21:43,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 06:21:43,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:21:43,636 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:21:43,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:21:43,783 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-06 06:21:43,791 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:22:31,907 WARN L286 SmtUtils]: Spent 42.60s on a formula simplification that was a NOOP. DAG size: 963 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 06:22:32,326 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:22:32,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 06:24:02,310 WARN L286 SmtUtils]: Spent 1.44m on a formula simplification. DAG size of input: 968 DAG size of output: 968 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 06:24:49,080 WARN L286 SmtUtils]: Spent 43.05s on a formula simplification that was a NOOP. DAG size: 964 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 06:25:34,125 WARN L286 SmtUtils]: Spent 44.00s on a formula simplification that was a NOOP. DAG size: 970 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 06:26:21,109 WARN L286 SmtUtils]: Spent 43.52s on a formula simplification that was a NOOP. DAG size: 969 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 06:27:08,741 WARN L286 SmtUtils]: Spent 43.79s on a formula simplification that was a NOOP. DAG size: 971 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 06:27:09,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:27:09,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2024-12-06 06:27:09,773 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2024-12-06 06:27:09,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 06:27:09,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:27:09,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:27:09,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:27:09,776 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:27:09,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afdb6a8e-4597-46bb-9949-9231b0cd8004/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 06:27:10,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:27:10,207 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:27:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:27:10,411 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-06 06:27:10,420 INFO L279 TraceCheckSpWp]: Computing forward predicates...