./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.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_36929fc7-355e-4445-b21f-28c081a3149d/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36929fc7-355e-4445-b21f-28c081a3149d/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_36929fc7-355e-4445-b21f-28c081a3149d/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36929fc7-355e-4445-b21f-28c081a3149d/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36929fc7-355e-4445-b21f-28c081a3149d/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_36929fc7-355e-4445-b21f-28c081a3149d/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 531c6232318ca14fed66fc5efcd9c390e3e7ee576e67472e752cd873da255181 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:50:26,971 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:50:27,064 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36929fc7-355e-4445-b21f-28c081a3149d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 04:50:27,068 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:50:27,069 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:50:27,104 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:50:27,106 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:50:27,106 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:50:27,107 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:50:27,107 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:50:27,108 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:50:27,109 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:50:27,109 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:50:27,109 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:50:27,109 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:50:27,109 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:50:27,109 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:50:27,109 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:50:27,109 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:50:27,110 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:50:27,111 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:50:27,111 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:50:27,111 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:50:27,111 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:50:27,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:50:27,111 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:50:27,111 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:50:27,112 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:50:27,112 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:50:27,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:50:27,112 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_36929fc7-355e-4445-b21f-28c081a3149d/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 -> 531c6232318ca14fed66fc5efcd9c390e3e7ee576e67472e752cd873da255181 [2024-11-25 04:50:27,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:50:27,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:50:27,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:50:27,506 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:50:27,508 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:50:27,509 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36929fc7-355e-4445-b21f-28c081a3149d/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c [2024-11-25 04:50:30,569 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36929fc7-355e-4445-b21f-28c081a3149d/bin/ukojak-verify-ENZ3QT5qd3/data/60f7ad9e3/ee70d35d6f754626a4ce2cc6fe7aaa69/FLAG8f5902207 [2024-11-25 04:50:30,976 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:50:30,981 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36929fc7-355e-4445-b21f-28c081a3149d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c [2024-11-25 04:50:31,011 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36929fc7-355e-4445-b21f-28c081a3149d/bin/ukojak-verify-ENZ3QT5qd3/data/60f7ad9e3/ee70d35d6f754626a4ce2cc6fe7aaa69/FLAG8f5902207 [2024-11-25 04:50:31,033 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36929fc7-355e-4445-b21f-28c081a3149d/bin/ukojak-verify-ENZ3QT5qd3/data/60f7ad9e3/ee70d35d6f754626a4ce2cc6fe7aaa69 [2024-11-25 04:50:31,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:50:31,040 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:50:31,042 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:50:31,042 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:50:31,047 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:50:31,048 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:50:31" (1/1) ... [2024-11-25 04:50:31,051 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52047879 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:31, skipping insertion in model container [2024-11-25 04:50:31,051 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:50:31" (1/1) ... [2024-11-25 04:50:31,119 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:50:31,336 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_36929fc7-355e-4445-b21f-28c081a3149d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c[1176,1189] [2024-11-25 04:50:31,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:50:31,880 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:50:31,892 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_36929fc7-355e-4445-b21f-28c081a3149d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c[1176,1189] [2024-11-25 04:50:32,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:50:32,207 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:50:32,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:32 WrapperNode [2024-11-25 04:50:32,209 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:50:32,210 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:50:32,210 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:50:32,210 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:50:32,221 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:32" (1/1) ... [2024-11-25 04:50:32,330 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:32" (1/1) ... [2024-11-25 04:50:34,103 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7678 [2024-11-25 04:50:34,104 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:50:34,105 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:50:34,106 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:50:34,106 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:50:34,116 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:32" (1/1) ... [2024-11-25 04:50:34,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:32" (1/1) ... [2024-11-25 04:50:34,416 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:32" (1/1) ... [2024-11-25 04:50:34,418 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:32" (1/1) ... [2024-11-25 04:50:34,936 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:32" (1/1) ... [2024-11-25 04:50:35,100 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:32" (1/1) ... [2024-11-25 04:50:35,178 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:32" (1/1) ... [2024-11-25 04:50:35,279 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:32" (1/1) ... [2024-11-25 04:50:35,329 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:32" (1/1) ... [2024-11-25 04:50:35,569 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:50:35,572 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:50:35,572 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:50:35,573 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:50:35,576 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:32" (1/1) ... [2024-11-25 04:50:35,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:50:35,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36929fc7-355e-4445-b21f-28c081a3149d/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:50:35,623 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36929fc7-355e-4445-b21f-28c081a3149d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:50:35,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36929fc7-355e-4445-b21f-28c081a3149d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:50:35,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:50:35,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:50:35,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:50:35,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:50:36,539 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:50:36,541 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:50:52,288 INFO L? ?]: Removed 4223 outVars from TransFormulas that were not future-live. [2024-11-25 04:50:52,288 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:51:06,786 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:51:06,786 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:51:06,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:51:06 BoogieIcfgContainer [2024-11-25 04:51:06,787 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:51:06,788 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:51:06,788 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:51:06,803 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:51:06,804 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:51:06" (1/1) ... [2024-11-25 04:51:06,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:51:06,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:51:06,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 04:51:06,885 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 04:51:06,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 04:51:06,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:51:06,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:51:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:29,098 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 04:51:39,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.45s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:51:49,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:51:52,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:51:55,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.92s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:52:05,774 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 04:52:05,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:52:05,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 04:52:05,825 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 04:52:05,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:52:05,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:52:05,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:54:36,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:54:36,153 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:57:38,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:57:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:57:51,035 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 04:57:51,043 INFO L158 Benchmark]: Toolchain (without parser) took 440002.58ms. Allocated memory was 142.6MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 113.8MB in the beginning and 697.8MB in the end (delta: -584.0MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-25 04:57:51,043 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 74.2MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:57:51,044 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1167.24ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 71.2MB in the end (delta: 42.3MB). Peak memory consumption was 109.0MB. Max. memory is 16.1GB. [2024-11-25 04:57:51,045 INFO L158 Benchmark]: Boogie Procedure Inliner took 1894.81ms. Allocated memory was 142.6MB in the beginning and 956.3MB in the end (delta: 813.7MB). Free memory was 71.2MB in the beginning and 798.6MB in the end (delta: -727.4MB). Peak memory consumption was 183.4MB. Max. memory is 16.1GB. [2024-11-25 04:57:51,046 INFO L158 Benchmark]: Boogie Preprocessor took 1464.03ms. Allocated memory was 956.3MB in the beginning and 587.2MB in the end (delta: -369.1MB). Free memory was 798.6MB in the beginning and 386.9MB in the end (delta: 411.7MB). Peak memory consumption was 76.7MB. Max. memory is 16.1GB. [2024-11-25 04:57:51,047 INFO L158 Benchmark]: RCFGBuilder took 31215.76ms. Allocated memory was 587.2MB in the beginning and 3.6GB in the end (delta: 3.0GB). Free memory was 386.9MB in the beginning and 2.7GB in the end (delta: -2.3GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-11-25 04:57:51,048 INFO L158 Benchmark]: CodeCheck took 404252.72ms. Allocated memory was 3.6GB in the beginning and 1.9GB in the end (delta: -1.8GB). Free memory was 2.7GB in the beginning and 697.8MB in the end (delta: 2.0GB). Peak memory consumption was 215.5MB. Max. memory is 16.1GB. [2024-11-25 04:57:51,053 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 0.35ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 74.2MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1167.24ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 71.2MB in the end (delta: 42.3MB). Peak memory consumption was 109.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1894.81ms. Allocated memory was 142.6MB in the beginning and 956.3MB in the end (delta: 813.7MB). Free memory was 71.2MB in the beginning and 798.6MB in the end (delta: -727.4MB). Peak memory consumption was 183.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1464.03ms. Allocated memory was 956.3MB in the beginning and 587.2MB in the end (delta: -369.1MB). Free memory was 798.6MB in the beginning and 386.9MB in the end (delta: 411.7MB). Peak memory consumption was 76.7MB. Max. memory is 16.1GB. * RCFGBuilder took 31215.76ms. Allocated memory was 587.2MB in the beginning and 3.6GB in the end (delta: 3.0GB). Free memory was 386.9MB in the beginning and 2.7GB in the end (delta: -2.3GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * CodeCheck took 404252.72ms. Allocated memory was 3.6GB in the beginning and 1.9GB in the end (delta: -1.8GB). Free memory was 2.7GB in the beginning and 697.8MB in the end (delta: 2.0GB). Peak memory consumption was 215.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 04:57:51,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36929fc7-355e-4445-b21f-28c081a3149d/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_36929fc7-355e-4445-b21f-28c081a3149d/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36929fc7-355e-4445-b21f-28c081a3149d/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_36929fc7-355e-4445-b21f-28c081a3149d/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36929fc7-355e-4445-b21f-28c081a3149d/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36929fc7-355e-4445-b21f-28c081a3149d/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_36929fc7-355e-4445-b21f-28c081a3149d/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 531c6232318ca14fed66fc5efcd9c390e3e7ee576e67472e752cd873da255181 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:57:54,695 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:57:54,872 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36929fc7-355e-4445-b21f-28c081a3149d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 04:57:54,908 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:57:54,909 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:57:54,909 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:57:54,910 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:57:54,910 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:57:54,911 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:57:54,911 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:57:54,911 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:57:54,911 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:57:54,911 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:57:54,911 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:57:54,912 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:57:54,912 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:57:54,912 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:57:54,912 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:57:54,912 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:57:54,913 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:57:54,913 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:57:54,913 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:57:54,913 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:57:54,913 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:57:54,914 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:57:54,914 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:57:54,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:57:54,914 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:57:54,914 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:57:54,915 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:57:54,915 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:57:54,915 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:57:54,915 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:57:54,915 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_36929fc7-355e-4445-b21f-28c081a3149d/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 -> 531c6232318ca14fed66fc5efcd9c390e3e7ee576e67472e752cd873da255181 [2024-11-25 04:57:55,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:57:55,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:57:55,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:57:55,356 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:57:55,357 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:57:55,359 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36929fc7-355e-4445-b21f-28c081a3149d/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c [2024-11-25 04:57:59,219 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36929fc7-355e-4445-b21f-28c081a3149d/bin/ukojak-verify-ENZ3QT5qd3/data/9ff47b469/5dafa4b42b4a4efba1137421e7f1e0ad/FLAG5316cc1d3 [2024-11-25 04:57:59,621 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:57:59,621 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36929fc7-355e-4445-b21f-28c081a3149d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c [2024-11-25 04:57:59,638 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36929fc7-355e-4445-b21f-28c081a3149d/bin/ukojak-verify-ENZ3QT5qd3/data/9ff47b469/5dafa4b42b4a4efba1137421e7f1e0ad/FLAG5316cc1d3 [2024-11-25 04:57:59,653 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36929fc7-355e-4445-b21f-28c081a3149d/bin/ukojak-verify-ENZ3QT5qd3/data/9ff47b469/5dafa4b42b4a4efba1137421e7f1e0ad [2024-11-25 04:57:59,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:57:59,657 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:57:59,659 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:57:59,659 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:57:59,663 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:57:59,664 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:57:59" (1/1) ... [2024-11-25 04:57:59,665 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a9b4f16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:59, skipping insertion in model container [2024-11-25 04:57:59,665 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:57:59" (1/1) ... [2024-11-25 04:57:59,732 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:57:59,919 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_36929fc7-355e-4445-b21f-28c081a3149d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c[1176,1189] [2024-11-25 04:58:00,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:58:00,378 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:58:00,393 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_36929fc7-355e-4445-b21f-28c081a3149d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c[1176,1189] [2024-11-25 04:58:00,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:58:00,596 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:58:00,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:00 WrapperNode [2024-11-25 04:58:00,596 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:58:00,597 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:58:00,598 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:58:00,598 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:58:00,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:00" (1/1) ... [2024-11-25 04:58:00,673 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:00" (1/1) ... [2024-11-25 04:58:00,804 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2550 [2024-11-25 04:58:00,804 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:58:00,805 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:58:00,805 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:58:00,805 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:58:00,813 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:00" (1/1) ... [2024-11-25 04:58:00,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:00" (1/1) ... [2024-11-25 04:58:00,836 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:00" (1/1) ... [2024-11-25 04:58:00,840 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:00" (1/1) ... [2024-11-25 04:58:00,905 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:00" (1/1) ... [2024-11-25 04:58:00,909 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:00" (1/1) ... [2024-11-25 04:58:00,915 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:00" (1/1) ... [2024-11-25 04:58:00,923 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:00" (1/1) ... [2024-11-25 04:58:00,932 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:00" (1/1) ... [2024-11-25 04:58:00,952 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:58:00,953 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:58:00,953 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:58:00,953 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:58:00,954 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:00" (1/1) ... [2024-11-25 04:58:00,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:58:00,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36929fc7-355e-4445-b21f-28c081a3149d/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:58:00,997 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36929fc7-355e-4445-b21f-28c081a3149d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:58:01,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36929fc7-355e-4445-b21f-28c081a3149d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:58:01,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:58:01,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:58:01,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:58:01,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:58:01,601 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:58:01,605 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:58:07,076 INFO L? ?]: Removed 271 outVars from TransFormulas that were not future-live. [2024-11-25 04:58:07,076 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:58:07,210 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:58:07,210 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:58:07,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:58:07 BoogieIcfgContainer [2024-11-25 04:58:07,211 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:58:07,212 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:58:07,212 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:58:07,228 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:58:07,228 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:58:07" (1/1) ... [2024-11-25 04:58:07,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:58:07,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:07,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 04:58:07,317 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 04:58:07,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 04:58:07,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:07,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:58:07,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36929fc7-355e-4445-b21f-28c081a3149d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:58:07,327 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36929fc7-355e-4445-b21f-28c081a3149d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:58:07,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36929fc7-355e-4445-b21f-28c081a3149d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:58:08,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:08,583 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:58:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:08,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:58:09,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:58:09,138 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 04:58:09,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36929fc7-355e-4445-b21f-28c081a3149d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:58:09,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:09,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 04:58:09,804 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 04:58:09,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:58:09,804 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:09,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:58:09,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36929fc7-355e-4445-b21f-28c081a3149d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:58:09,807 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36929fc7-355e-4445-b21f-28c081a3149d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:58:09,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36929fc7-355e-4445-b21f-28c081a3149d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 04:58:11,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:11,726 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:58:12,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:12,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-11-25 04:58:12,337 INFO L279 TraceCheckSpWp]: Computing forward predicates...