./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.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_53eaf414-7a12-44e7-8cc0-564687415371/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaf414-7a12-44e7-8cc0-564687415371/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_53eaf414-7a12-44e7-8cc0-564687415371/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaf414-7a12-44e7-8cc0-564687415371/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaf414-7a12-44e7-8cc0-564687415371/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_53eaf414-7a12-44e7-8cc0-564687415371/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 87b63b5e380bb6db7d619c72eb4f386dd2a151898d57957012363e2c778901d8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:50:33,700 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:50:33,791 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaf414-7a12-44e7-8cc0-564687415371/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 03:50:33,800 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:50:33,801 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:50:33,843 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:50:33,844 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:50:33,844 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:50:33,844 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:50:33,844 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:50:33,844 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:50:33,844 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:50:33,844 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:50:33,845 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:50:33,845 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:50:33,845 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:50:33,845 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:50:33,845 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:50:33,845 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:50:33,845 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:50:33,845 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:50:33,845 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:50:33,845 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:50:33,846 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:50:33,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:50:33,846 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:50:33,846 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:50:33,850 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:50:33,850 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:50:33,851 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:50:33,851 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_53eaf414-7a12-44e7-8cc0-564687415371/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 -> 87b63b5e380bb6db7d619c72eb4f386dd2a151898d57957012363e2c778901d8 [2024-11-25 03:50:34,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:50:34,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:50:34,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:50:34,191 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:50:34,192 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:50:34,193 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaf414-7a12-44e7-8cc0-564687415371/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c [2024-11-25 03:50:37,146 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaf414-7a12-44e7-8cc0-564687415371/bin/ukojak-verify-ENZ3QT5qd3/data/2a92d2499/3870aaeb5dc34bd7a9d4b007aa5670bd/FLAG6cedc0ff0 [2024-11-25 03:50:37,609 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:50:37,614 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaf414-7a12-44e7-8cc0-564687415371/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c [2024-11-25 03:50:37,642 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaf414-7a12-44e7-8cc0-564687415371/bin/ukojak-verify-ENZ3QT5qd3/data/2a92d2499/3870aaeb5dc34bd7a9d4b007aa5670bd/FLAG6cedc0ff0 [2024-11-25 03:50:37,663 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaf414-7a12-44e7-8cc0-564687415371/bin/ukojak-verify-ENZ3QT5qd3/data/2a92d2499/3870aaeb5dc34bd7a9d4b007aa5670bd [2024-11-25 03:50:37,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:50:37,670 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:50:37,671 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:50:37,673 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:50:37,681 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:50:37,683 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:50:37" (1/1) ... [2024-11-25 03:50:37,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@279fbf0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:37, skipping insertion in model container [2024-11-25 03:50:37,684 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:50:37" (1/1) ... [2024-11-25 03:50:37,733 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:50:37,956 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_53eaf414-7a12-44e7-8cc0-564687415371/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c[1177,1190] [2024-11-25 03:50:38,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:50:38,378 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:50:38,389 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_53eaf414-7a12-44e7-8cc0-564687415371/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c[1177,1190] [2024-11-25 03:50:38,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:50:38,624 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:50:38,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:38 WrapperNode [2024-11-25 03:50:38,626 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:50:38,627 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:50:38,627 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:50:38,627 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:50:38,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:38" (1/1) ... [2024-11-25 03:50:38,707 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:38" (1/1) ... [2024-11-25 03:50:39,227 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4590 [2024-11-25 03:50:39,227 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:50:39,228 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:50:39,228 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:50:39,228 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:50:39,237 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:38" (1/1) ... [2024-11-25 03:50:39,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:38" (1/1) ... [2024-11-25 03:50:39,426 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:38" (1/1) ... [2024-11-25 03:50:39,427 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:38" (1/1) ... [2024-11-25 03:50:39,660 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:38" (1/1) ... [2024-11-25 03:50:39,709 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:38" (1/1) ... [2024-11-25 03:50:39,744 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:38" (1/1) ... [2024-11-25 03:50:39,816 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:38" (1/1) ... [2024-11-25 03:50:39,843 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:38" (1/1) ... [2024-11-25 03:50:40,011 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:50:40,013 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:50:40,013 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:50:40,014 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:50:40,015 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:38" (1/1) ... [2024-11-25 03:50:40,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:50:40,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaf414-7a12-44e7-8cc0-564687415371/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:50:40,052 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaf414-7a12-44e7-8cc0-564687415371/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:50:40,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaf414-7a12-44e7-8cc0-564687415371/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:50:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:50:40,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:50:40,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:50:40,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:50:40,507 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:50:40,509 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:50:46,968 INFO L? ?]: Removed 2465 outVars from TransFormulas that were not future-live. [2024-11-25 03:50:46,968 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:50:54,086 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:50:54,086 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:50:54,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:50:54 BoogieIcfgContainer [2024-11-25 03:50:54,087 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:50:54,087 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:50:54,088 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:50:54,098 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:50:54,098 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:50:54" (1/1) ... [2024-11-25 03:50:54,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:50:54,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:54,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:50:54,163 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:50:54,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:50:54,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:54,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:50:55,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:58,521 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 03:51:08,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:51:18,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:51:21,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:51:31,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:51:31,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:51:31,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 03:51:31,609 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 03:51:31,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:51:31,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:51:31,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:52:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:52:11,052 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:52:34,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:52:45,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:52:45,166 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 03:52:45,175 INFO L158 Benchmark]: Toolchain (without parser) took 127505.27ms. Allocated memory was 142.6MB in the beginning and 2.4GB in the end (delta: 2.3GB). Free memory was 117.5MB in the beginning and 759.3MB in the end (delta: -641.8MB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2024-11-25 03:52:45,175 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 142.6MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:52:45,176 INFO L158 Benchmark]: CACSL2BoogieTranslator took 955.30ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 97.3MB in the end (delta: 19.9MB). Peak memory consumption was 78.4MB. Max. memory is 16.1GB. [2024-11-25 03:52:45,181 INFO L158 Benchmark]: Boogie Procedure Inliner took 600.43ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 97.3MB in the beginning and 289.1MB in the end (delta: -191.8MB). Peak memory consumption was 96.6MB. Max. memory is 16.1GB. [2024-11-25 03:52:45,181 INFO L158 Benchmark]: Boogie Preprocessor took 783.40ms. Allocated memory is still 427.8MB. Free memory was 289.1MB in the beginning and 292.0MB in the end (delta: -2.9MB). Peak memory consumption was 83.4MB. Max. memory is 16.1GB. [2024-11-25 03:52:45,181 INFO L158 Benchmark]: RCFGBuilder took 14074.04ms. Allocated memory was 427.8MB in the beginning and 2.4GB in the end (delta: 2.0GB). Free memory was 292.0MB in the beginning and 2.2GB in the end (delta: -1.9GB). Peak memory consumption was 956.8MB. Max. memory is 16.1GB. [2024-11-25 03:52:45,182 INFO L158 Benchmark]: CodeCheck took 111086.18ms. Allocated memory is still 2.4GB. Free memory was 2.2GB in the beginning and 759.3MB in the end (delta: 1.4GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-11-25 03:52:45,187 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 0.22ms. Allocated memory is still 142.6MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 955.30ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 97.3MB in the end (delta: 19.9MB). Peak memory consumption was 78.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 600.43ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 97.3MB in the beginning and 289.1MB in the end (delta: -191.8MB). Peak memory consumption was 96.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 783.40ms. Allocated memory is still 427.8MB. Free memory was 289.1MB in the beginning and 292.0MB in the end (delta: -2.9MB). Peak memory consumption was 83.4MB. Max. memory is 16.1GB. * RCFGBuilder took 14074.04ms. Allocated memory was 427.8MB in the beginning and 2.4GB in the end (delta: 2.0GB). Free memory was 292.0MB in the beginning and 2.2GB in the end (delta: -1.9GB). Peak memory consumption was 956.8MB. Max. memory is 16.1GB. * CodeCheck took 111086.18ms. Allocated memory is still 2.4GB. Free memory was 2.2GB in the beginning and 759.3MB in the end (delta: 1.4GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:52:45,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaf414-7a12-44e7-8cc0-564687415371/bin/ukojak-verify-ENZ3QT5qd3/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_53eaf414-7a12-44e7-8cc0-564687415371/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaf414-7a12-44e7-8cc0-564687415371/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_53eaf414-7a12-44e7-8cc0-564687415371/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaf414-7a12-44e7-8cc0-564687415371/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaf414-7a12-44e7-8cc0-564687415371/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_53eaf414-7a12-44e7-8cc0-564687415371/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 87b63b5e380bb6db7d619c72eb4f386dd2a151898d57957012363e2c778901d8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:52:47,961 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:52:48,039 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaf414-7a12-44e7-8cc0-564687415371/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 03:52:48,083 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:52:48,084 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:52:48,084 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:52:48,085 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:52:48,085 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:52:48,085 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:52:48,094 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:52:48,094 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:52:48,094 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:52:48,094 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:52:48,094 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:52:48,095 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:52:48,095 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:52:48,095 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:52:48,095 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:52:48,095 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:52:48,095 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:52:48,095 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:52:48,095 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:52:48,096 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:52:48,096 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:48,096 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:52:48,096 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:52:48,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:52:48,096 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:52:48,096 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:52:48,096 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:52:48,097 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:52:48,097 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:48,097 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:52:48,097 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_53eaf414-7a12-44e7-8cc0-564687415371/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 -> 87b63b5e380bb6db7d619c72eb4f386dd2a151898d57957012363e2c778901d8 [2024-11-25 03:52:48,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:52:48,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:52:48,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:52:48,426 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:52:48,427 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:52:48,428 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaf414-7a12-44e7-8cc0-564687415371/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c [2024-11-25 03:52:51,486 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaf414-7a12-44e7-8cc0-564687415371/bin/ukojak-verify-ENZ3QT5qd3/data/03eb64f26/6820867e45074aa1985975aa2237cf2b/FLAG238373a4a [2024-11-25 03:52:51,937 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:52:51,940 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaf414-7a12-44e7-8cc0-564687415371/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c [2024-11-25 03:52:51,964 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaf414-7a12-44e7-8cc0-564687415371/bin/ukojak-verify-ENZ3QT5qd3/data/03eb64f26/6820867e45074aa1985975aa2237cf2b/FLAG238373a4a [2024-11-25 03:52:51,987 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaf414-7a12-44e7-8cc0-564687415371/bin/ukojak-verify-ENZ3QT5qd3/data/03eb64f26/6820867e45074aa1985975aa2237cf2b [2024-11-25 03:52:51,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:52:51,993 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:52:51,997 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:52:51,998 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:52:52,004 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:52:52,005 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:52:51" (1/1) ... [2024-11-25 03:52:52,009 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ca9f3ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:52, skipping insertion in model container [2024-11-25 03:52:52,009 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:52:51" (1/1) ... [2024-11-25 03:52:52,085 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:52:52,306 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_53eaf414-7a12-44e7-8cc0-564687415371/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c[1177,1190] [2024-11-25 03:52:52,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:52:52,782 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:52:52,796 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_53eaf414-7a12-44e7-8cc0-564687415371/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c[1177,1190] [2024-11-25 03:52:53,013 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:52:53,048 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:52:53,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:53 WrapperNode [2024-11-25 03:52:53,049 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:52:53,050 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:52:53,054 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:52:53,054 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:52:53,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:53" (1/1) ... [2024-11-25 03:52:53,103 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:53" (1/1) ... [2024-11-25 03:52:53,192 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1422 [2024-11-25 03:52:53,193 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:52:53,194 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:52:53,194 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:52:53,194 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:52:53,208 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:53" (1/1) ... [2024-11-25 03:52:53,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:53" (1/1) ... [2024-11-25 03:52:53,228 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:53" (1/1) ... [2024-11-25 03:52:53,230 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:53" (1/1) ... [2024-11-25 03:52:53,271 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:53" (1/1) ... [2024-11-25 03:52:53,277 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:53" (1/1) ... [2024-11-25 03:52:53,285 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:53" (1/1) ... [2024-11-25 03:52:53,293 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:53" (1/1) ... [2024-11-25 03:52:53,305 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:53" (1/1) ... [2024-11-25 03:52:53,319 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:52:53,322 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:52:53,322 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:52:53,322 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:52:53,323 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:53" (1/1) ... [2024-11-25 03:52:53,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:52:53,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaf414-7a12-44e7-8cc0-564687415371/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:52:53,363 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaf414-7a12-44e7-8cc0-564687415371/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:52:53,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaf414-7a12-44e7-8cc0-564687415371/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:52:53,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:52:53,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:52:53,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:52:53,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:52:53,842 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:52:53,844 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:52:56,139 INFO L? ?]: Removed 187 outVars from TransFormulas that were not future-live. [2024-11-25 03:52:56,139 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:52:56,255 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:52:56,255 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:52:56,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:52:56 BoogieIcfgContainer [2024-11-25 03:52:56,256 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:52:56,258 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:52:56,258 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:52:56,272 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:52:56,272 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:52:56" (1/1) ... [2024-11-25 03:52:56,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:52:56,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:56,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:52:56,354 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:52:56,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:52:56,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:56,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:56,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaf414-7a12-44e7-8cc0-564687415371/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:56,364 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaf414-7a12-44e7-8cc0-564687415371/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:56,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaf414-7a12-44e7-8cc0-564687415371/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:52:57,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:57,182 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:57,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:57,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 03:52:57,442 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:57,580 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 03:52:57,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaf414-7a12-44e7-8cc0-564687415371/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:52:57,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:57,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 03:52:57,811 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 03:52:57,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:52:57,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:57,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:57,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaf414-7a12-44e7-8cc0-564687415371/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:57,816 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaf414-7a12-44e7-8cc0-564687415371/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:57,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaf414-7a12-44e7-8cc0-564687415371/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:52:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:58,870 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:59,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-25 03:52:59,293 INFO L279 TraceCheckSpWp]: Computing forward predicates...