./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.3.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_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/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_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/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_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/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 d9d33ce4a1076948815d2c6f8aaf04473893994154afdbe53d4c08820caa8354 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:39:27,012 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:39:27,111 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 03:39:27,119 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:39:27,120 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:39:27,162 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:39:27,163 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:39:27,163 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:39:27,164 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:39:27,164 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:39:27,164 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:39:27,164 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:39:27,164 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:39:27,164 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:39:27,164 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:39:27,165 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:39:27,165 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:39:27,165 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:39:27,165 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:39:27,165 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:39:27,165 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:39:27,167 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:39:27,168 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:39:27,168 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:39:27,168 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:39:27,168 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:39:27,169 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:39:27,169 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:39:27,169 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:39:27,169 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:39:27,169 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_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/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 -> d9d33ce4a1076948815d2c6f8aaf04473893994154afdbe53d4c08820caa8354 [2024-11-25 03:39:27,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:39:27,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:39:27,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:39:27,569 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:39:27,570 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:39:27,571 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.3.prop1-back-serstep.c [2024-11-25 03:39:30,952 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/bin/ukojak-verify-ENZ3QT5qd3/data/57e40b8c1/a02293fdab9f4002bb6dd72eeeda38d7/FLAG892019733 [2024-11-25 03:39:31,495 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:39:31,496 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.3.prop1-back-serstep.c [2024-11-25 03:39:31,515 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/bin/ukojak-verify-ENZ3QT5qd3/data/57e40b8c1/a02293fdab9f4002bb6dd72eeeda38d7/FLAG892019733 [2024-11-25 03:39:31,584 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/bin/ukojak-verify-ENZ3QT5qd3/data/57e40b8c1/a02293fdab9f4002bb6dd72eeeda38d7 [2024-11-25 03:39:31,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:39:31,589 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:39:31,591 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:39:31,591 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:39:31,597 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:39:31,598 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:39:31" (1/1) ... [2024-11-25 03:39:31,599 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f691684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:31, skipping insertion in model container [2024-11-25 03:39:31,599 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:39:31" (1/1) ... [2024-11-25 03:39:31,697 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:39:32,002 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_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.3.prop1-back-serstep.c[1172,1185] [2024-11-25 03:39:32,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:39:32,728 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:39:32,783 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_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.3.prop1-back-serstep.c[1172,1185] [2024-11-25 03:39:33,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:39:33,152 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:39:33,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:33 WrapperNode [2024-11-25 03:39:33,154 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:39:33,156 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:39:33,156 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:39:33,157 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:39:33,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:33" (1/1) ... [2024-11-25 03:39:33,235 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:33" (1/1) ... [2024-11-25 03:39:34,440 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8842 [2024-11-25 03:39:34,442 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:39:34,443 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:39:34,443 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:39:34,443 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:39:34,453 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:33" (1/1) ... [2024-11-25 03:39:34,453 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:33" (1/1) ... [2024-11-25 03:39:34,906 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:33" (1/1) ... [2024-11-25 03:39:34,911 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:33" (1/1) ... [2024-11-25 03:39:35,452 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:33" (1/1) ... [2024-11-25 03:39:35,557 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:33" (1/1) ... [2024-11-25 03:39:35,626 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:33" (1/1) ... [2024-11-25 03:39:35,707 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:33" (1/1) ... [2024-11-25 03:39:35,760 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:33" (1/1) ... [2024-11-25 03:39:36,029 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:39:36,032 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:39:36,033 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:39:36,035 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:39:36,037 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:33" (1/1) ... [2024-11-25 03:39:36,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:39:36,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:39:36,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:39:36,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:39:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:39:36,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:39:36,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:39:36,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:39:36,943 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:39:36,946 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:39:54,650 INFO L? ?]: Removed 4807 outVars from TransFormulas that were not future-live. [2024-11-25 03:39:54,651 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:40:12,969 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:40:12,969 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:40:12,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:40:12 BoogieIcfgContainer [2024-11-25 03:40:12,970 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:40:12,971 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:40:12,971 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:40:12,983 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:40:12,984 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:40:12" (1/1) ... [2024-11-25 03:40:12,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:40:13,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:13,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:40:13,069 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:40:13,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:40:13,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:13,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:40:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:19,725 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 03:40:30,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.44s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:40:40,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:40:41,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:40:49,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.93s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:40:59,812 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 03:40:59,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:59,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 03:40:59,855 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 03:40:59,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:40:59,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:59,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:44:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:44:13,871 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:47:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:47:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:47:48,659 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 03:47:48,665 INFO L158 Benchmark]: Toolchain (without parser) took 497076.07ms. Allocated memory was 117.4MB in the beginning and 3.6GB in the end (delta: 3.5GB). Free memory was 87.8MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-11-25 03:47:48,666 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 83.9MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:47:48,666 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1564.17ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 87.8MB in the beginning and 167.6MB in the end (delta: -79.8MB). Peak memory consumption was 104.0MB. Max. memory is 16.1GB. [2024-11-25 03:47:48,667 INFO L158 Benchmark]: Boogie Procedure Inliner took 1286.35ms. Allocated memory was 234.9MB in the beginning and 704.6MB in the end (delta: 469.8MB). Free memory was 167.6MB in the beginning and 504.5MB in the end (delta: -336.8MB). Peak memory consumption was 186.3MB. Max. memory is 16.1GB. [2024-11-25 03:47:48,668 INFO L158 Benchmark]: Boogie Preprocessor took 1587.34ms. Allocated memory was 704.6MB in the beginning and 587.2MB in the end (delta: -117.4MB). Free memory was 504.5MB in the beginning and 337.7MB in the end (delta: 166.7MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. [2024-11-25 03:47:48,668 INFO L158 Benchmark]: RCFGBuilder took 36938.44ms. Allocated memory was 587.2MB in the beginning and 2.6GB in the end (delta: 2.0GB). Free memory was 337.7MB in the beginning and 2.0GB in the end (delta: -1.6GB). Peak memory consumption was 989.4MB. Max. memory is 16.1GB. [2024-11-25 03:47:48,669 INFO L158 Benchmark]: CodeCheck took 455693.13ms. Allocated memory was 2.6GB in the beginning and 3.6GB in the end (delta: 989.9MB). Free memory was 2.0GB in the beginning and 2.2GB in the end (delta: -239.3MB). Peak memory consumption was 754.5MB. Max. memory is 16.1GB. [2024-11-25 03:47:48,672 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 0.45ms. Allocated memory is still 83.9MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1564.17ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 87.8MB in the beginning and 167.6MB in the end (delta: -79.8MB). Peak memory consumption was 104.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1286.35ms. Allocated memory was 234.9MB in the beginning and 704.6MB in the end (delta: 469.8MB). Free memory was 167.6MB in the beginning and 504.5MB in the end (delta: -336.8MB). Peak memory consumption was 186.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1587.34ms. Allocated memory was 704.6MB in the beginning and 587.2MB in the end (delta: -117.4MB). Free memory was 504.5MB in the beginning and 337.7MB in the end (delta: 166.7MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. * RCFGBuilder took 36938.44ms. Allocated memory was 587.2MB in the beginning and 2.6GB in the end (delta: 2.0GB). Free memory was 337.7MB in the beginning and 2.0GB in the end (delta: -1.6GB). Peak memory consumption was 989.4MB. Max. memory is 16.1GB. * CodeCheck took 455693.13ms. Allocated memory was 2.6GB in the beginning and 3.6GB in the end (delta: 989.9MB). Free memory was 2.0GB in the beginning and 2.2GB in the end (delta: -239.3MB). Peak memory consumption was 754.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:47:48,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/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_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/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_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/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_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/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 d9d33ce4a1076948815d2c6f8aaf04473893994154afdbe53d4c08820caa8354 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:47:51,583 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:47:51,712 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 03:47:51,749 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:47:51,751 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:47:51,752 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:47:51,752 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:47:51,752 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:47:51,753 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:47:51,753 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:47:51,754 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:47:51,754 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:47:51,754 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:47:51,754 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:47:51,754 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:47:51,754 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:47:51,754 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:47:51,754 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:47:51,754 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:47:51,755 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:47:51,755 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:47:51,755 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:47:51,755 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:47:51,755 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:47:51,755 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:47:51,755 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:47:51,755 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:47:51,755 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:47:51,756 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:47:51,757 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:47:51,757 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:47:51,757 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:47:51,757 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:47:51,757 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_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/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 -> d9d33ce4a1076948815d2c6f8aaf04473893994154afdbe53d4c08820caa8354 [2024-11-25 03:47:52,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:47:52,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:47:52,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:47:52,098 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:47:52,099 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:47:52,100 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.3.prop1-back-serstep.c [2024-11-25 03:47:55,265 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/bin/ukojak-verify-ENZ3QT5qd3/data/a663504b5/fd4df86512f04677a60dd5149eeb8ec1/FLAG9d793a4e9 [2024-11-25 03:47:55,714 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:47:55,715 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.3.prop1-back-serstep.c [2024-11-25 03:47:55,748 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/bin/ukojak-verify-ENZ3QT5qd3/data/a663504b5/fd4df86512f04677a60dd5149eeb8ec1/FLAG9d793a4e9 [2024-11-25 03:47:55,862 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/bin/ukojak-verify-ENZ3QT5qd3/data/a663504b5/fd4df86512f04677a60dd5149eeb8ec1 [2024-11-25 03:47:55,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:47:55,869 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:47:55,871 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:47:55,873 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:47:55,879 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:47:55,880 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:47:55" (1/1) ... [2024-11-25 03:47:55,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5618afaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:55, skipping insertion in model container [2024-11-25 03:47:55,883 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:47:55" (1/1) ... [2024-11-25 03:47:55,990 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:47:56,253 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_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.3.prop1-back-serstep.c[1172,1185] [2024-11-25 03:47:56,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:47:56,724 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:47:56,733 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_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.3.prop1-back-serstep.c[1172,1185] [2024-11-25 03:47:56,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:47:56,968 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:47:56,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:56 WrapperNode [2024-11-25 03:47:56,969 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:47:56,970 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:47:56,971 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:47:56,971 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:47:56,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:56" (1/1) ... [2024-11-25 03:47:57,048 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:56" (1/1) ... [2024-11-25 03:47:57,192 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2674 [2024-11-25 03:47:57,193 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:47:57,193 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:47:57,193 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:47:57,194 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:47:57,201 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:56" (1/1) ... [2024-11-25 03:47:57,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:56" (1/1) ... [2024-11-25 03:47:57,218 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:56" (1/1) ... [2024-11-25 03:47:57,218 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:56" (1/1) ... [2024-11-25 03:47:57,282 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:56" (1/1) ... [2024-11-25 03:47:57,329 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:56" (1/1) ... [2024-11-25 03:47:57,340 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:56" (1/1) ... [2024-11-25 03:47:57,374 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:56" (1/1) ... [2024-11-25 03:47:57,394 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:56" (1/1) ... [2024-11-25 03:47:57,428 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:47:57,432 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:47:57,433 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:47:57,433 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:47:57,434 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:56" (1/1) ... [2024-11-25 03:47:57,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:47:57,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:47:57,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:47:57,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:47:57,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:47:57,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:47:57,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:47:57,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:47:58,170 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:47:58,172 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:48:02,501 INFO L? ?]: Removed 251 outVars from TransFormulas that were not future-live. [2024-11-25 03:48:02,501 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:48:02,603 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:48:02,604 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:48:02,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:48:02 BoogieIcfgContainer [2024-11-25 03:48:02,605 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:48:02,605 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:48:02,606 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:48:02,617 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:48:02,617 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:48:02" (1/1) ... [2024-11-25 03:48:02,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:48:02,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:48:02,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:48:02,688 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:48:02,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:48:02,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:48:02,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:48:02,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:48:02,697 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:48:02,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:48:03,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:48:03,746 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:48:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:48:04,037 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 03:48:04,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:48:04,159 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 03:48:04,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:48:04,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:48:04,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 03:48:04,694 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 03:48:04,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:48:04,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:48:04,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:48:04,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:48:04,698 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:48:04,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb9db5b2-d2c9-4d64-bd58-1df93755db1b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:48:06,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:48:06,452 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:48:06,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:48:07,013 INFO L256 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 93 conjuncts are in the unsatisfiable core [2024-11-25 03:48:07,054 INFO L279 TraceCheckSpWp]: Computing forward predicates...