./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop2-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_770cdeab-1bfb-4703-a196-ad7bd0f6c124/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770cdeab-1bfb-4703-a196-ad7bd0f6c124/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770cdeab-1bfb-4703-a196-ad7bd0f6c124/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770cdeab-1bfb-4703-a196-ad7bd0f6c124/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop2-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770cdeab-1bfb-4703-a196-ad7bd0f6c124/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770cdeab-1bfb-4703-a196-ad7bd0f6c124/bin/ukojak-verify-ENZ3QT5qd3 --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 a4df8dfbcae8d026f4dbf2d7f09b2f52eda6042cfe447bd6c0c313ded1f50c7b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:06:22,561 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:06:22,672 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770cdeab-1bfb-4703-a196-ad7bd0f6c124/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 05:06:22,685 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:06:22,686 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:06:22,727 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:06:22,729 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:06:22,729 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:06:22,730 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:06:22,731 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:06:22,732 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:06:22,732 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:06:22,732 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:06:22,732 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:06:22,732 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:06:22,734 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:06:22,734 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:06:22,734 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:06:22,734 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:06:22,734 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:06:22,735 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:06:22,735 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:06:22,735 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:06:22,735 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:06:22,735 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:06:22,736 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:06:22,736 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:06:22,736 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:06:22,736 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:06:22,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:06:22,736 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_770cdeab-1bfb-4703-a196-ad7bd0f6c124/bin/ukojak-verify-ENZ3QT5qd3 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 -> a4df8dfbcae8d026f4dbf2d7f09b2f52eda6042cfe447bd6c0c313ded1f50c7b [2024-11-25 05:06:23,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:06:23,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:06:23,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:06:23,175 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:06:23,176 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:06:23,177 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770cdeab-1bfb-4703-a196-ad7bd0f6c124/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop2-func-interl.c [2024-11-25 05:06:26,287 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770cdeab-1bfb-4703-a196-ad7bd0f6c124/bin/ukojak-verify-ENZ3QT5qd3/data/8734b00a7/a09dbb8f2b9a4b978992655aa8fd880c/FLAG04838326d [2024-11-25 05:06:26,904 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:06:26,905 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770cdeab-1bfb-4703-a196-ad7bd0f6c124/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop2-func-interl.c [2024-11-25 05:06:26,944 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770cdeab-1bfb-4703-a196-ad7bd0f6c124/bin/ukojak-verify-ENZ3QT5qd3/data/8734b00a7/a09dbb8f2b9a4b978992655aa8fd880c/FLAG04838326d [2024-11-25 05:06:26,968 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770cdeab-1bfb-4703-a196-ad7bd0f6c124/bin/ukojak-verify-ENZ3QT5qd3/data/8734b00a7/a09dbb8f2b9a4b978992655aa8fd880c [2024-11-25 05:06:26,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:06:26,975 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:06:26,979 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:06:26,980 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:06:26,990 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:06:26,992 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:06:26" (1/1) ... [2024-11-25 05:06:26,993 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@503a7a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:26, skipping insertion in model container [2024-11-25 05:06:26,994 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:06:26" (1/1) ... [2024-11-25 05:06:27,105 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:06:27,400 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_770cdeab-1bfb-4703-a196-ad7bd0f6c124/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop2-func-interl.c[1171,1184] [2024-11-25 05:06:27,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:06:27,986 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:06:27,997 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_770cdeab-1bfb-4703-a196-ad7bd0f6c124/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop2-func-interl.c[1171,1184] [2024-11-25 05:06:28,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:06:28,392 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:06:28,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:28 WrapperNode [2024-11-25 05:06:28,393 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:06:28,395 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:06:28,395 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:06:28,395 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:06:28,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:28" (1/1) ... [2024-11-25 05:06:28,472 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:28" (1/1) ... [2024-11-25 05:06:29,758 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9236 [2024-11-25 05:06:29,759 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:06:29,760 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:06:29,760 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:06:29,768 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:06:29,780 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:28" (1/1) ... [2024-11-25 05:06:29,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:28" (1/1) ... [2024-11-25 05:06:30,346 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:28" (1/1) ... [2024-11-25 05:06:30,347 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:28" (1/1) ... [2024-11-25 05:06:30,763 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:28" (1/1) ... [2024-11-25 05:06:30,802 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:28" (1/1) ... [2024-11-25 05:06:30,885 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:28" (1/1) ... [2024-11-25 05:06:30,968 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:28" (1/1) ... [2024-11-25 05:06:31,012 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:28" (1/1) ... [2024-11-25 05:06:31,253 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:06:31,255 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:06:31,255 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:06:31,256 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:06:31,258 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:28" (1/1) ... [2024-11-25 05:06:31,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:06:31,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770cdeab-1bfb-4703-a196-ad7bd0f6c124/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:06:31,295 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770cdeab-1bfb-4703-a196-ad7bd0f6c124/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:06:31,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770cdeab-1bfb-4703-a196-ad7bd0f6c124/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:06:31,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:06:31,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:06:31,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:06:31,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:06:32,215 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:06:32,217 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:06:49,313 INFO L? ?]: Removed 5090 outVars from TransFormulas that were not future-live. [2024-11-25 05:06:49,313 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:07:09,873 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:07:09,874 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 05:07:09,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:07:09 BoogieIcfgContainer [2024-11-25 05:07:09,874 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:07:09,875 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:07:09,875 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:07:09,887 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:07:09,887 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:07:09" (1/1) ... [2024-11-25 05:07:09,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:07:09,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:07:09,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 05:07:09,977 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 05:07:09,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 05:07:09,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:07:09,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:07:11,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:14,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:07:24,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 05:07:35,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 05:07:36,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 05:07:37,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:07:37,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 05:07:37,706 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 05:07:37,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:07:37,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:07:37,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:09:40,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:09:51,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:09:51,256 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) [2024-11-25 05:09:51,261 INFO L158 Benchmark]: Toolchain (without parser) took 204286.19ms. Allocated memory was 142.6MB in the beginning and 6.1GB in the end (delta: 6.0GB). Free memory was 113.0MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 3.9GB. Max. memory is 16.1GB. [2024-11-25 05:09:51,262 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 74.5MB in the end (delta: 196.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:09:51,262 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1415.11ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 60.9MB in the end (delta: 52.1MB). Peak memory consumption was 117.5MB. Max. memory is 16.1GB. [2024-11-25 05:09:51,263 INFO L158 Benchmark]: Boogie Procedure Inliner took 1364.37ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 60.9MB in the beginning and 94.1MB in the end (delta: -33.1MB). Peak memory consumption was 145.8MB. Max. memory is 16.1GB. [2024-11-25 05:09:51,263 INFO L158 Benchmark]: Boogie Preprocessor took 1493.43ms. Allocated memory was 285.2MB in the beginning and 620.8MB in the end (delta: 335.5MB). Free memory was 94.1MB in the beginning and 383.5MB in the end (delta: -289.4MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. [2024-11-25 05:09:51,264 INFO L158 Benchmark]: RCFGBuilder took 38619.25ms. Allocated memory was 620.8MB in the beginning and 3.0GB in the end (delta: 2.4GB). Free memory was 383.5MB in the beginning and 2.2GB in the end (delta: -1.8GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-11-25 05:09:51,267 INFO L158 Benchmark]: CodeCheck took 161385.10ms. Allocated memory was 3.0GB in the beginning and 6.1GB in the end (delta: 3.1GB). Free memory was 2.2GB in the beginning and 2.3GB in the end (delta: -48.2MB). Peak memory consumption was 3.1GB. Max. memory is 16.1GB. [2024-11-25 05:09:51,271 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 0.51ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 74.5MB in the end (delta: 196.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1415.11ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 60.9MB in the end (delta: 52.1MB). Peak memory consumption was 117.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1364.37ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 60.9MB in the beginning and 94.1MB in the end (delta: -33.1MB). Peak memory consumption was 145.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1493.43ms. Allocated memory was 285.2MB in the beginning and 620.8MB in the end (delta: 335.5MB). Free memory was 94.1MB in the beginning and 383.5MB in the end (delta: -289.4MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. * RCFGBuilder took 38619.25ms. Allocated memory was 620.8MB in the beginning and 3.0GB in the end (delta: 2.4GB). Free memory was 383.5MB in the beginning and 2.2GB in the end (delta: -1.8GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * CodeCheck took 161385.10ms. Allocated memory was 3.0GB in the beginning and 6.1GB in the end (delta: 3.1GB). Free memory was 2.2GB in the beginning and 2.3GB in the end (delta: -48.2MB). Peak memory consumption was 3.1GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 05:09:51,481 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770cdeab-1bfb-4703-a196-ad7bd0f6c124/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-25 05:09:51,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770cdeab-1bfb-4703-a196-ad7bd0f6c124/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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_770cdeab-1bfb-4703-a196-ad7bd0f6c124/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770cdeab-1bfb-4703-a196-ad7bd0f6c124/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770cdeab-1bfb-4703-a196-ad7bd0f6c124/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770cdeab-1bfb-4703-a196-ad7bd0f6c124/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop2-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770cdeab-1bfb-4703-a196-ad7bd0f6c124/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770cdeab-1bfb-4703-a196-ad7bd0f6c124/bin/ukojak-verify-ENZ3QT5qd3 --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 a4df8dfbcae8d026f4dbf2d7f09b2f52eda6042cfe447bd6c0c313ded1f50c7b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:09:54,232 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:09:54,387 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770cdeab-1bfb-4703-a196-ad7bd0f6c124/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 05:09:54,438 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:09:54,439 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:09:54,440 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:09:54,440 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:09:54,440 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:09:54,441 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:09:54,442 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:09:54,442 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:09:54,442 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:09:54,442 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:09:54,442 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:09:54,442 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 05:09:54,442 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 05:09:54,442 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 05:09:54,443 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:09:54,443 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:09:54,443 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:09:54,443 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:09:54,443 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:09:54,443 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:09:54,443 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:09:54,443 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 05:09:54,443 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:09:54,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:09:54,445 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:09:54,445 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:09:54,445 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:09:54,446 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 05:09:54,446 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:09:54,446 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 05:09:54,446 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_770cdeab-1bfb-4703-a196-ad7bd0f6c124/bin/ukojak-verify-ENZ3QT5qd3 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 -> a4df8dfbcae8d026f4dbf2d7f09b2f52eda6042cfe447bd6c0c313ded1f50c7b [2024-11-25 05:09:54,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:09:54,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:09:54,782 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:09:54,785 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:09:54,785 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:09:54,789 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770cdeab-1bfb-4703-a196-ad7bd0f6c124/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop2-func-interl.c [2024-11-25 05:09:57,779 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770cdeab-1bfb-4703-a196-ad7bd0f6c124/bin/ukojak-verify-ENZ3QT5qd3/data/7762edd07/0cd67e858f9c4722a73fdb8cd92c26e2/FLAG4ed8a897a [2024-11-25 05:09:58,167 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:09:58,172 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770cdeab-1bfb-4703-a196-ad7bd0f6c124/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop2-func-interl.c [2024-11-25 05:09:58,194 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770cdeab-1bfb-4703-a196-ad7bd0f6c124/bin/ukojak-verify-ENZ3QT5qd3/data/7762edd07/0cd67e858f9c4722a73fdb8cd92c26e2/FLAG4ed8a897a [2024-11-25 05:09:58,217 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770cdeab-1bfb-4703-a196-ad7bd0f6c124/bin/ukojak-verify-ENZ3QT5qd3/data/7762edd07/0cd67e858f9c4722a73fdb8cd92c26e2 [2024-11-25 05:09:58,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:09:58,223 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:09:58,225 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:09:58,225 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:09:58,230 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:09:58,231 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:09:58" (1/1) ... [2024-11-25 05:09:58,233 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b241e22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:58, skipping insertion in model container [2024-11-25 05:09:58,233 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:09:58" (1/1) ... [2024-11-25 05:09:58,321 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:09:58,529 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_770cdeab-1bfb-4703-a196-ad7bd0f6c124/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop2-func-interl.c[1171,1184] [2024-11-25 05:09:59,013 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:09:59,032 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:09:59,039 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_770cdeab-1bfb-4703-a196-ad7bd0f6c124/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop2-func-interl.c[1171,1184] [2024-11-25 05:09:59,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:09:59,238 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:09:59,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:59 WrapperNode [2024-11-25 05:09:59,239 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:09:59,241 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:09:59,241 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:09:59,241 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:09:59,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:59" (1/1) ... [2024-11-25 05:09:59,310 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:59" (1/1) ... [2024-11-25 05:09:59,472 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2644 [2024-11-25 05:09:59,473 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:09:59,474 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:09:59,474 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:09:59,474 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:09:59,482 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:59" (1/1) ... [2024-11-25 05:09:59,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:59" (1/1) ... [2024-11-25 05:09:59,505 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:59" (1/1) ... [2024-11-25 05:09:59,506 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:59" (1/1) ... [2024-11-25 05:09:59,573 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:59" (1/1) ... [2024-11-25 05:09:59,580 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:59" (1/1) ... [2024-11-25 05:09:59,594 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:59" (1/1) ... [2024-11-25 05:09:59,609 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:59" (1/1) ... [2024-11-25 05:09:59,661 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:59" (1/1) ... [2024-11-25 05:09:59,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:09:59,691 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:09:59,692 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:09:59,692 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:09:59,693 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:59" (1/1) ... [2024-11-25 05:09:59,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:09:59,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770cdeab-1bfb-4703-a196-ad7bd0f6c124/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:09:59,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770cdeab-1bfb-4703-a196-ad7bd0f6c124/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:09:59,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770cdeab-1bfb-4703-a196-ad7bd0f6c124/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:09:59,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:09:59,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 05:09:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:09:59,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:10:00,427 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:10:00,429 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:10:04,177 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2024-11-25 05:10:04,177 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:10:04,288 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:10:04,289 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 05:10:04,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:10:04 BoogieIcfgContainer [2024-11-25 05:10:04,289 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:10:04,290 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:10:04,290 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:10:04,301 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:10:04,301 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:10:04" (1/1) ... [2024-11-25 05:10:04,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:10:04,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:10:04,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 05:10:04,364 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 05:10:04,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 05:10:04,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:10:04,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:10:04,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770cdeab-1bfb-4703-a196-ad7bd0f6c124/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:10:04,370 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770cdeab-1bfb-4703-a196-ad7bd0f6c124/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:10:04,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770cdeab-1bfb-4703-a196-ad7bd0f6c124/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 05:10:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:10:05,318 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:10:05,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:10:05,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:10:05,551 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:10:05,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:10:05,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770cdeab-1bfb-4703-a196-ad7bd0f6c124/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 05:10:06,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:10:06,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 05:10:06,280 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 05:10:06,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:10:06,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:10:06,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:10:06,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770cdeab-1bfb-4703-a196-ad7bd0f6c124/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:10:06,285 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770cdeab-1bfb-4703-a196-ad7bd0f6c124/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:10:06,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770cdeab-1bfb-4703-a196-ad7bd0f6c124/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 05:10:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:10:07,896 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:10:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:10:08,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 05:10:08,442 INFO L279 TraceCheckSpWp]: Computing forward predicates...