./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.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_0435bbd9-f156-4832-9568-1e8572f0707e/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0435bbd9-f156-4832-9568-1e8572f0707e/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_0435bbd9-f156-4832-9568-1e8572f0707e/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0435bbd9-f156-4832-9568-1e8572f0707e/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0435bbd9-f156-4832-9568-1e8572f0707e/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_0435bbd9-f156-4832-9568-1e8572f0707e/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 02856a1922cb0bbae08ee4b811423985d7eefa7297aec20cb17187445a71ca5a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:41:47,753 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:41:47,821 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0435bbd9-f156-4832-9568-1e8572f0707e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 03:41:47,832 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:41:47,832 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:41:47,873 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:41:47,874 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:41:47,874 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:41:47,874 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:41:47,874 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:41:47,875 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:41:47,875 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:41:47,875 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:41:47,875 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:41:47,875 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:41:47,875 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:41:47,875 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:41:47,875 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:41:47,876 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:41:47,876 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:41:47,876 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:41:47,876 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:41:47,878 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:41:47,879 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:41:47,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:41:47,879 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:41:47,879 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:41:47,879 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:41:47,879 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:41:47,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:41:47,880 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_0435bbd9-f156-4832-9568-1e8572f0707e/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 -> 02856a1922cb0bbae08ee4b811423985d7eefa7297aec20cb17187445a71ca5a [2024-11-25 03:41:48,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:41:48,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:41:48,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:41:48,209 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:41:48,210 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:41:48,211 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0435bbd9-f156-4832-9568-1e8572f0707e/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c [2024-11-25 03:41:51,283 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0435bbd9-f156-4832-9568-1e8572f0707e/bin/ukojak-verify-ENZ3QT5qd3/data/e5d63044b/425f305d218e4a12be2b614c10c13227/FLAG81924c3dc [2024-11-25 03:41:51,872 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:41:51,875 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0435bbd9-f156-4832-9568-1e8572f0707e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c [2024-11-25 03:41:51,906 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0435bbd9-f156-4832-9568-1e8572f0707e/bin/ukojak-verify-ENZ3QT5qd3/data/e5d63044b/425f305d218e4a12be2b614c10c13227/FLAG81924c3dc [2024-11-25 03:41:52,354 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0435bbd9-f156-4832-9568-1e8572f0707e/bin/ukojak-verify-ENZ3QT5qd3/data/e5d63044b/425f305d218e4a12be2b614c10c13227 [2024-11-25 03:41:52,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:41:52,358 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:41:52,360 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:41:52,360 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:41:52,363 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:41:52,364 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:41:52" (1/1) ... [2024-11-25 03:41:52,365 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@787d6e8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:52, skipping insertion in model container [2024-11-25 03:41:52,365 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:41:52" (1/1) ... [2024-11-25 03:41:52,420 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:41:52,676 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_0435bbd9-f156-4832-9568-1e8572f0707e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c[1178,1191] [2024-11-25 03:41:53,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:41:53,257 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:41:53,272 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_0435bbd9-f156-4832-9568-1e8572f0707e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c[1178,1191] [2024-11-25 03:41:53,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:41:53,555 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:41:53,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:53 WrapperNode [2024-11-25 03:41:53,556 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:41:53,557 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:41:53,558 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:41:53,558 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:41:53,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:53" (1/1) ... [2024-11-25 03:41:53,640 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:53" (1/1) ... [2024-11-25 03:41:54,537 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7236 [2024-11-25 03:41:54,538 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:41:54,538 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:41:54,538 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:41:54,538 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:41:54,546 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:53" (1/1) ... [2024-11-25 03:41:54,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:53" (1/1) ... [2024-11-25 03:41:54,784 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:53" (1/1) ... [2024-11-25 03:41:54,784 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:53" (1/1) ... [2024-11-25 03:41:55,136 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:53" (1/1) ... [2024-11-25 03:41:55,222 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:53" (1/1) ... [2024-11-25 03:41:55,280 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:53" (1/1) ... [2024-11-25 03:41:55,320 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:53" (1/1) ... [2024-11-25 03:41:55,351 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:53" (1/1) ... [2024-11-25 03:41:55,535 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:41:55,537 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:41:55,537 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:41:55,538 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:41:55,540 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:53" (1/1) ... [2024-11-25 03:41:55,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:41:55,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0435bbd9-f156-4832-9568-1e8572f0707e/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:41:55,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0435bbd9-f156-4832-9568-1e8572f0707e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:41:55,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0435bbd9-f156-4832-9568-1e8572f0707e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:41:55,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:41:55,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:41:55,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:41:55,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:41:56,318 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:41:56,320 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:42:07,963 INFO L? ?]: Removed 3985 outVars from TransFormulas that were not future-live. [2024-11-25 03:42:07,963 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:42:19,545 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:42:19,546 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:42:19,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:42:19 BoogieIcfgContainer [2024-11-25 03:42:19,546 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:42:19,547 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:42:19,548 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:42:19,559 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:42:19,559 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:42:19" (1/1) ... [2024-11-25 03:42:19,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:42:19,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:19,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:42:19,624 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:42:19,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:42:19,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:19,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:42:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:26,302 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 03:42:36,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:42:46,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:42:49,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.12s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:42:52,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:42:56,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.66s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:43:06,331 WARN L539 Checker$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 03:43:06,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:06,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 03:43:06,370 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 03:43:06,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:43:06,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:06,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:45:24,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:45:24,055 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:47:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:48:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:48:10,066 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 03:48:10,072 INFO L158 Benchmark]: Toolchain (without parser) took 377714.14ms. Allocated memory was 142.6MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 115.8MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 765.1MB. Max. memory is 16.1GB. [2024-11-25 03:48:10,072 INFO L158 Benchmark]: CDTParser took 1.50ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:48:10,073 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1197.29ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 71.2MB in the end (delta: 44.3MB). Peak memory consumption was 88.4MB. Max. memory is 16.1GB. [2024-11-25 03:48:10,077 INFO L158 Benchmark]: Boogie Procedure Inliner took 980.41ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 71.2MB in the beginning and 230.9MB in the end (delta: -159.7MB). Peak memory consumption was 200.0MB. Max. memory is 16.1GB. [2024-11-25 03:48:10,078 INFO L158 Benchmark]: Boogie Preprocessor took 996.72ms. Allocated memory was 402.7MB in the beginning and 1.2GB in the end (delta: 805.3MB). Free memory was 230.9MB in the beginning and 999.1MB in the end (delta: -768.1MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. [2024-11-25 03:48:10,079 INFO L158 Benchmark]: RCFGBuilder took 24009.68ms. Allocated memory was 1.2GB in the beginning and 4.5GB in the end (delta: 3.3GB). Free memory was 998.8MB in the beginning and 3.7GB in the end (delta: -2.7GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-11-25 03:48:10,080 INFO L158 Benchmark]: CodeCheck took 350523.96ms. Allocated memory was 4.5GB in the beginning and 2.3GB in the end (delta: -2.2GB). Free memory was 3.7GB in the beginning and 1.5GB in the end (delta: 2.2GB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:48:10,083 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 1.50ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1197.29ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 71.2MB in the end (delta: 44.3MB). Peak memory consumption was 88.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 980.41ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 71.2MB in the beginning and 230.9MB in the end (delta: -159.7MB). Peak memory consumption was 200.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 996.72ms. Allocated memory was 402.7MB in the beginning and 1.2GB in the end (delta: 805.3MB). Free memory was 230.9MB in the beginning and 999.1MB in the end (delta: -768.1MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. * RCFGBuilder took 24009.68ms. Allocated memory was 1.2GB in the beginning and 4.5GB in the end (delta: 3.3GB). Free memory was 998.8MB in the beginning and 3.7GB in the end (delta: -2.7GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. * CodeCheck took 350523.96ms. Allocated memory was 4.5GB in the beginning and 2.3GB in the end (delta: -2.2GB). Free memory was 3.7GB in the beginning and 1.5GB in the end (delta: 2.2GB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:48:10,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0435bbd9-f156-4832-9568-1e8572f0707e/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_0435bbd9-f156-4832-9568-1e8572f0707e/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0435bbd9-f156-4832-9568-1e8572f0707e/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_0435bbd9-f156-4832-9568-1e8572f0707e/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0435bbd9-f156-4832-9568-1e8572f0707e/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0435bbd9-f156-4832-9568-1e8572f0707e/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_0435bbd9-f156-4832-9568-1e8572f0707e/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 02856a1922cb0bbae08ee4b811423985d7eefa7297aec20cb17187445a71ca5a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:48:12,763 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:48:12,859 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0435bbd9-f156-4832-9568-1e8572f0707e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 03:48:12,922 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:48:12,923 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:48:12,923 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:48:12,923 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:48:12,923 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:48:12,923 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:48:12,924 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:48:12,924 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:48:12,924 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:48:12,924 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:48:12,924 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:48:12,925 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:48:12,925 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:48:12,926 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:48:12,926 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:48:12,926 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:48:12,926 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:48:12,926 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:48:12,926 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:48:12,926 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:48:12,926 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:48:12,926 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:48:12,927 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:48:12,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:48:12,927 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:48:12,927 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:48:12,927 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:48:12,927 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:48:12,927 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:48:12,927 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:48:12,927 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_0435bbd9-f156-4832-9568-1e8572f0707e/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 -> 02856a1922cb0bbae08ee4b811423985d7eefa7297aec20cb17187445a71ca5a [2024-11-25 03:48:13,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:48:13,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:48:13,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:48:13,246 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:48:13,246 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:48:13,248 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0435bbd9-f156-4832-9568-1e8572f0707e/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c [2024-11-25 03:48:16,295 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0435bbd9-f156-4832-9568-1e8572f0707e/bin/ukojak-verify-ENZ3QT5qd3/data/2f455b5db/8e010d7ba6b649dca4b431a7334b56b5/FLAGee5653d6b [2024-11-25 03:48:16,721 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:48:16,723 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0435bbd9-f156-4832-9568-1e8572f0707e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c [2024-11-25 03:48:16,746 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0435bbd9-f156-4832-9568-1e8572f0707e/bin/ukojak-verify-ENZ3QT5qd3/data/2f455b5db/8e010d7ba6b649dca4b431a7334b56b5/FLAGee5653d6b [2024-11-25 03:48:16,770 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0435bbd9-f156-4832-9568-1e8572f0707e/bin/ukojak-verify-ENZ3QT5qd3/data/2f455b5db/8e010d7ba6b649dca4b431a7334b56b5 [2024-11-25 03:48:16,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:48:16,776 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:48:16,778 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:48:16,778 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:48:16,783 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:48:16,784 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:48:16" (1/1) ... [2024-11-25 03:48:16,784 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f3b22a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:16, skipping insertion in model container [2024-11-25 03:48:16,785 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:48:16" (1/1) ... [2024-11-25 03:48:16,839 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:48:17,059 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_0435bbd9-f156-4832-9568-1e8572f0707e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c[1178,1191] [2024-11-25 03:48:17,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:48:17,507 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:48:17,518 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_0435bbd9-f156-4832-9568-1e8572f0707e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c[1178,1191] [2024-11-25 03:48:17,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:48:17,776 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:48:17,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:17 WrapperNode [2024-11-25 03:48:17,778 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:48:17,779 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:48:17,779 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:48:17,779 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:48:17,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:17" (1/1) ... [2024-11-25 03:48:17,826 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:17" (1/1) ... [2024-11-25 03:48:17,929 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2316 [2024-11-25 03:48:17,929 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:48:17,930 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:48:17,930 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:48:17,930 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:48:17,938 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:17" (1/1) ... [2024-11-25 03:48:17,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:17" (1/1) ... [2024-11-25 03:48:17,958 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:17" (1/1) ... [2024-11-25 03:48:17,958 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:17" (1/1) ... [2024-11-25 03:48:18,038 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:17" (1/1) ... [2024-11-25 03:48:18,045 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:17" (1/1) ... [2024-11-25 03:48:18,051 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:17" (1/1) ... [2024-11-25 03:48:18,068 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:17" (1/1) ... [2024-11-25 03:48:18,084 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:17" (1/1) ... [2024-11-25 03:48:18,111 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:48:18,112 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:48:18,112 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:48:18,112 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:48:18,113 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:17" (1/1) ... [2024-11-25 03:48:18,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:48:18,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0435bbd9-f156-4832-9568-1e8572f0707e/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:48:18,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0435bbd9-f156-4832-9568-1e8572f0707e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:48:18,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0435bbd9-f156-4832-9568-1e8572f0707e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:48:18,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:48:18,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:48:18,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:48:18,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:48:18,801 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:48:18,803 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:48:22,648 INFO L? ?]: Removed 236 outVars from TransFormulas that were not future-live. [2024-11-25 03:48:22,649 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:48:22,749 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:48:22,749 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:48:22,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:48:22 BoogieIcfgContainer [2024-11-25 03:48:22,750 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:48:22,750 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:48:22,751 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:48:22,762 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:48:22,762 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:48:22" (1/1) ... [2024-11-25 03:48:22,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:48:22,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:48:22,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:48:22,828 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:48:22,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:48:22,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:48:22,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:48:22,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0435bbd9-f156-4832-9568-1e8572f0707e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:48:22,836 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0435bbd9-f156-4832-9568-1e8572f0707e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:48:22,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0435bbd9-f156-4832-9568-1e8572f0707e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:48:23,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:48:23,767 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:48:24,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:48:24,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 03:48:24,036 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:48:24,123 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 03:48:24,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0435bbd9-f156-4832-9568-1e8572f0707e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:48:24,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:48:24,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 03:48:24,508 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 03:48:24,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:48:24,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:48:24,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:48:24,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0435bbd9-f156-4832-9568-1e8572f0707e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:48:24,511 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0435bbd9-f156-4832-9568-1e8572f0707e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:48:24,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0435bbd9-f156-4832-9568-1e8572f0707e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:48:25,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:48:25,981 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:48:26,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:48:26,530 INFO L256 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-25 03:48:26,564 INFO L279 TraceCheckSpWp]: Computing forward predicates...