./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 87b63b5e380bb6db7d619c72eb4f386dd2a151898d57957012363e2c778901d8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:59:38,013 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:59:38,077 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-08 23:59:38,080 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:59:38,081 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:59:38,101 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:59:38,102 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:59:38,103 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:59:38,103 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:59:38,104 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:59:38,104 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:59:38,104 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:59:38,105 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:59:38,105 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:59:38,106 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:59:38,106 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:59:38,106 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:59:38,107 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:59:38,107 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:59:38,107 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:59:38,108 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:59:38,108 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:59:38,109 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:59:38,109 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:59:38,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:59:38,110 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:59:38,110 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:59:38,111 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:59:38,111 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:59:38,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:59:38,112 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87b63b5e380bb6db7d619c72eb4f386dd2a151898d57957012363e2c778901d8 [2024-11-08 23:59:38,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:59:38,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:59:38,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:59:38,426 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:59:38,427 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:59:38,428 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-08 23:59:40,352 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:59:40,658 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:59:40,661 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c [2024-11-08 23:59:40,675 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/bin/ukojak-verify-ImItNfHLgk/data/0d0fe5383/91388ae475e4409983b7672189238936/FLAGb44d01e73 [2024-11-08 23:59:40,690 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/bin/ukojak-verify-ImItNfHLgk/data/0d0fe5383/91388ae475e4409983b7672189238936 [2024-11-08 23:59:40,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:59:40,694 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:59:40,695 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:59:40,695 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:59:40,700 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:59:40,701 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:59:40" (1/1) ... [2024-11-08 23:59:40,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3547730e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:40, skipping insertion in model container [2024-11-08 23:59:40,702 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:59:40" (1/1) ... [2024-11-08 23:59:40,772 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:59:40,972 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_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c[1177,1190] [2024-11-08 23:59:41,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:59:41,377 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:59:41,387 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_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c[1177,1190] [2024-11-08 23:59:41,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:59:41,667 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:59:41,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:41 WrapperNode [2024-11-08 23:59:41,668 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:59:41,669 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:59:41,669 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:59:41,670 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:59:41,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:41" (1/1) ... [2024-11-08 23:59:41,747 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:41" (1/1) ... [2024-11-08 23:59:42,396 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4592 [2024-11-08 23:59:42,400 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:59:42,400 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:59:42,401 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:59:42,402 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:59:42,417 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:41" (1/1) ... [2024-11-08 23:59:42,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:41" (1/1) ... [2024-11-08 23:59:42,566 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:41" (1/1) ... [2024-11-08 23:59:42,567 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:41" (1/1) ... [2024-11-08 23:59:42,797 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:41" (1/1) ... [2024-11-08 23:59:42,872 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:41" (1/1) ... [2024-11-08 23:59:42,901 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:41" (1/1) ... [2024-11-08 23:59:42,948 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:41" (1/1) ... [2024-11-08 23:59:43,097 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:59:43,098 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:59:43,098 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:59:43,098 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:59:43,099 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:41" (1/1) ... [2024-11-08 23:59:43,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:59:43,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:59:43,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:59:43,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:59:43,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:59:43,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:59:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:59:43,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:59:43,619 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:59:43,621 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:59:49,038 INFO L? ?]: Removed 2465 outVars from TransFormulas that were not future-live. [2024-11-08 23:59:49,038 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:59:57,066 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:59:57,066 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:59:57,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:59:57 BoogieIcfgContainer [2024-11-08 23:59:57,067 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:59:57,068 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:59:57,068 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:59:57,079 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:59:57,079 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:59:57" (1/1) ... [2024-11-08 23:59:57,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:59:57,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:59:57,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 23:59:57,156 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 23:59:57,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:59:57,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:59:57,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:59:57,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:59,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:00:09,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:00:20,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:00:21,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:00:23,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:00:31,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:00:31,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:31,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-09 00:00:31,553 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-09 00:00:31,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:00:31,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:31,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:01:04,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:01:04,455 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:01:35,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:01:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:01:45,840 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) [2024-11-09 00:01:45,845 INFO L158 Benchmark]: Toolchain (without parser) took 125151.26ms. Allocated memory was 138.4MB in the beginning and 3.4GB in the end (delta: 3.3GB). Free memory was 100.1MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 509.1MB. Max. memory is 16.1GB. [2024-11-09 00:01:45,850 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 138.4MB. Free memory is still 108.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:01:45,851 INFO L158 Benchmark]: CACSL2BoogieTranslator took 973.51ms. Allocated memory was 138.4MB in the beginning and 203.4MB in the end (delta: 65.0MB). Free memory was 99.8MB in the beginning and 147.6MB in the end (delta: -47.9MB). Peak memory consumption was 71.8MB. Max. memory is 16.1GB. [2024-11-09 00:01:45,851 INFO L158 Benchmark]: Boogie Procedure Inliner took 730.66ms. Allocated memory is still 203.4MB. Free memory was 147.6MB in the beginning and 89.9MB in the end (delta: 57.7MB). Peak memory consumption was 135.2MB. Max. memory is 16.1GB. [2024-11-09 00:01:45,854 INFO L158 Benchmark]: Boogie Preprocessor took 696.70ms. Allocated memory was 203.4MB in the beginning and 394.3MB in the end (delta: 190.8MB). Free memory was 89.9MB in the beginning and 254.1MB in the end (delta: -164.2MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2024-11-09 00:01:45,855 INFO L158 Benchmark]: RCFGBuilder took 13969.15ms. Allocated memory was 394.3MB in the beginning and 1.4GB in the end (delta: 956.3MB). Free memory was 254.1MB in the beginning and 957.7MB in the end (delta: -703.6MB). Peak memory consumption was 607.1MB. Max. memory is 16.1GB. [2024-11-09 00:01:45,855 INFO L158 Benchmark]: CodeCheck took 108776.45ms. Allocated memory was 1.4GB in the beginning and 3.4GB in the end (delta: 2.0GB). Free memory was 957.7MB in the beginning and 2.8GB in the end (delta: -1.9GB). Peak memory consumption was 153.8MB. Max. memory is 16.1GB. [2024-11-09 00:01:45,860 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 0.19ms. Allocated memory is still 138.4MB. Free memory is still 108.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 973.51ms. Allocated memory was 138.4MB in the beginning and 203.4MB in the end (delta: 65.0MB). Free memory was 99.8MB in the beginning and 147.6MB in the end (delta: -47.9MB). Peak memory consumption was 71.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 730.66ms. Allocated memory is still 203.4MB. Free memory was 147.6MB in the beginning and 89.9MB in the end (delta: 57.7MB). Peak memory consumption was 135.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 696.70ms. Allocated memory was 203.4MB in the beginning and 394.3MB in the end (delta: 190.8MB). Free memory was 89.9MB in the beginning and 254.1MB in the end (delta: -164.2MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. * RCFGBuilder took 13969.15ms. Allocated memory was 394.3MB in the beginning and 1.4GB in the end (delta: 956.3MB). Free memory was 254.1MB in the beginning and 957.7MB in the end (delta: -703.6MB). Peak memory consumption was 607.1MB. Max. memory is 16.1GB. * CodeCheck took 108776.45ms. Allocated memory was 1.4GB in the beginning and 3.4GB in the end (delta: 2.0GB). Free memory was 957.7MB in the beginning and 2.8GB in the end (delta: -1.9GB). Peak memory consumption was 153.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 00:01:45,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 87b63b5e380bb6db7d619c72eb4f386dd2a151898d57957012363e2c778901d8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:01:48,353 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:01:48,455 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-09 00:01:48,500 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:01:48,501 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:01:48,501 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:01:48,502 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:01:48,503 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:01:48,503 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:01:48,505 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:01:48,505 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:01:48,506 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:01:48,506 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:01:48,506 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:01:48,508 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:01:48,509 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:01:48,509 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:01:48,510 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:01:48,510 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:01:48,510 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:01:48,511 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:01:48,515 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:01:48,515 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:01:48,515 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:01:48,516 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:01:48,516 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:01:48,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:01:48,516 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:01:48,517 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:01:48,517 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:01:48,517 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:01:48,517 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:01:48,517 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:01:48,518 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87b63b5e380bb6db7d619c72eb4f386dd2a151898d57957012363e2c778901d8 [2024-11-09 00:01:48,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:01:48,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:01:48,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:01:48,940 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:01:48,940 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:01:48,942 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-09 00:01:51,095 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:01:51,379 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:01:51,380 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c [2024-11-09 00:01:51,415 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/bin/ukojak-verify-ImItNfHLgk/data/10ef589d8/5bbd904bb1d649aa899ca57d0103da57/FLAGd3a00d2b0 [2024-11-09 00:01:51,433 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/bin/ukojak-verify-ImItNfHLgk/data/10ef589d8/5bbd904bb1d649aa899ca57d0103da57 [2024-11-09 00:01:51,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:01:51,437 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:01:51,438 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:01:51,438 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:01:51,443 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:01:51,444 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:01:51" (1/1) ... [2024-11-09 00:01:51,445 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1df09766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:51, skipping insertion in model container [2024-11-09 00:01:51,445 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:01:51" (1/1) ... [2024-11-09 00:01:51,516 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:01:51,726 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_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c[1177,1190] [2024-11-09 00:01:52,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:01:52,056 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:01:52,074 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_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c[1177,1190] [2024-11-09 00:01:52,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:01:52,264 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:01:52,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:52 WrapperNode [2024-11-09 00:01:52,264 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:01:52,265 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:01:52,265 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:01:52,266 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:01:52,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:52" (1/1) ... [2024-11-09 00:01:52,318 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:52" (1/1) ... [2024-11-09 00:01:52,404 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1424 [2024-11-09 00:01:52,404 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:01:52,405 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:01:52,405 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:01:52,405 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:01:52,415 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:52" (1/1) ... [2024-11-09 00:01:52,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:52" (1/1) ... [2024-11-09 00:01:52,427 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:52" (1/1) ... [2024-11-09 00:01:52,427 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:52" (1/1) ... [2024-11-09 00:01:52,478 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:52" (1/1) ... [2024-11-09 00:01:52,487 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:52" (1/1) ... [2024-11-09 00:01:52,493 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:52" (1/1) ... [2024-11-09 00:01:52,500 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:52" (1/1) ... [2024-11-09 00:01:52,516 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:01:52,519 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:01:52,519 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:01:52,522 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:01:52,523 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:52" (1/1) ... [2024-11-09 00:01:52,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:01:52,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:01:52,563 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:01:52,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:01:52,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:01:52,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:01:52,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:01:52,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:01:53,001 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:01:53,004 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:01:54,993 INFO L? ?]: Removed 187 outVars from TransFormulas that were not future-live. [2024-11-09 00:01:54,994 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:01:55,109 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:01:55,109 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:01:55,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:01:55 BoogieIcfgContainer [2024-11-09 00:01:55,110 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:01:55,111 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:01:55,111 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:01:55,120 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:01:55,120 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:01:55" (1/1) ... [2024-11-09 00:01:55,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:01:55,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:55,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-09 00:01:55,187 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-09 00:01:55,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 00:01:55,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:55,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:01:55,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:01:55,191 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:01:55,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:01:55,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:55,784 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:01:55,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:55,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 00:01:55,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:01:56,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:01:56,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:01:56,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:56,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-09 00:01:56,271 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-09 00:01:56,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:01:56,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:56,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:01:56,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:01:56,274 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:01:56,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113d1f5-8c33-415b-9e4c-ff8fb6a8784c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:01:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:57,134 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:01:57,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:57,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-09 00:01:57,510 INFO L278 TraceCheckSpWp]: Computing forward predicates...