./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop2-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_1ece2bba-b018-41ca-a186-d902f117e003/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ece2bba-b018-41ca-a186-d902f117e003/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ece2bba-b018-41ca-a186-d902f117e003/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ece2bba-b018-41ca-a186-d902f117e003/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop2-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ece2bba-b018-41ca-a186-d902f117e003/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ece2bba-b018-41ca-a186-d902f117e003/bin/ukojak-verify-CZk0znPC7b --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 b4bafed6e88661139cd39a0b26436eebfdcb9e6792e4419ea951893fc447a4d5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:25:47,215 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:25:47,272 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ece2bba-b018-41ca-a186-d902f117e003/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 03:25:47,276 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:25:47,276 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:25:47,295 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:25:47,296 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:25:47,296 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:25:47,296 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:25:47,296 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:25:47,296 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:25:47,297 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:25:47,297 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:25:47,297 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:25:47,297 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:25:47,297 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:25:47,297 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:25:47,297 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:25:47,297 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:25:47,297 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:25:47,297 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:25:47,297 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:25:47,297 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:25:47,298 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:25:47,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:25:47,298 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:25:47,298 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:25:47,298 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:25:47,298 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:25:47,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:25:47,298 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_1ece2bba-b018-41ca-a186-d902f117e003/bin/ukojak-verify-CZk0znPC7b 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 -> b4bafed6e88661139cd39a0b26436eebfdcb9e6792e4419ea951893fc447a4d5 [2024-12-06 03:25:47,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:25:47,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:25:47,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:25:47,541 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:25:47,541 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:25:47,543 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ece2bba-b018-41ca-a186-d902f117e003/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop2-back-serstep.c [2024-12-06 03:25:50,195 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ece2bba-b018-41ca-a186-d902f117e003/bin/ukojak-verify-CZk0znPC7b/data/4bae97c12/b9dd2bc84a87463288fde434218dc503/FLAG8cc4d0119 [2024-12-06 03:25:50,554 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:25:50,554 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ece2bba-b018-41ca-a186-d902f117e003/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop2-back-serstep.c [2024-12-06 03:25:50,571 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ece2bba-b018-41ca-a186-d902f117e003/bin/ukojak-verify-CZk0znPC7b/data/4bae97c12/b9dd2bc84a87463288fde434218dc503/FLAG8cc4d0119 [2024-12-06 03:25:50,782 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ece2bba-b018-41ca-a186-d902f117e003/bin/ukojak-verify-CZk0znPC7b/data/4bae97c12/b9dd2bc84a87463288fde434218dc503 [2024-12-06 03:25:50,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:25:50,785 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:25:50,786 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:25:50,787 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:25:50,790 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:25:50,791 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:25:50" (1/1) ... [2024-12-06 03:25:50,792 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c22214 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:50, skipping insertion in model container [2024-12-06 03:25:50,792 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:25:50" (1/1) ... [2024-12-06 03:25:50,850 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:25:51,016 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_1ece2bba-b018-41ca-a186-d902f117e003/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop2-back-serstep.c[1172,1185] [2024-12-06 03:25:51,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:25:51,403 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:25:51,413 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_1ece2bba-b018-41ca-a186-d902f117e003/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop2-back-serstep.c[1172,1185] [2024-12-06 03:25:51,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:25:51,699 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:25:51,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:51 WrapperNode [2024-12-06 03:25:51,700 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:25:51,700 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:25:51,701 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:25:51,701 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:25:51,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:51" (1/1) ... [2024-12-06 03:25:51,771 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:51" (1/1) ... [2024-12-06 03:25:52,542 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11615 [2024-12-06 03:25:52,543 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:25:52,543 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:25:52,543 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:25:52,543 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:25:52,549 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:51" (1/1) ... [2024-12-06 03:25:52,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:51" (1/1) ... [2024-12-06 03:25:52,759 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:51" (1/1) ... [2024-12-06 03:25:52,760 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:51" (1/1) ... [2024-12-06 03:25:53,093 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:51" (1/1) ... [2024-12-06 03:25:53,121 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:51" (1/1) ... [2024-12-06 03:25:53,190 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:51" (1/1) ... [2024-12-06 03:25:53,248 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:51" (1/1) ... [2024-12-06 03:25:53,280 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:51" (1/1) ... [2024-12-06 03:25:53,444 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:25:53,445 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:25:53,446 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:25:53,446 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:25:53,447 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:51" (1/1) ... [2024-12-06 03:25:53,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:25:53,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ece2bba-b018-41ca-a186-d902f117e003/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:25:53,476 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ece2bba-b018-41ca-a186-d902f117e003/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:25:53,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ece2bba-b018-41ca-a186-d902f117e003/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:25:53,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:25:53,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:25:53,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:25:53,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:25:54,153 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:25:54,155 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:26:10,335 INFO L? ?]: Removed 6187 outVars from TransFormulas that were not future-live. [2024-12-06 03:26:10,335 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:26:26,647 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:26:26,647 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:26:26,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:26:26 BoogieIcfgContainer [2024-12-06 03:26:26,648 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:26:26,648 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:26:26,648 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:26:26,655 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:26:26,655 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:26:26" (1/1) ... [2024-12-06 03:26:26,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:26:26,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:26:26,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 03:26:26,694 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 03:26:26,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:26:26,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:26:26,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:26:28,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:31,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:26:41,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 03:26:51,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 03:26:56,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.56s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:26:57,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:27:07,096 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 [] [2024-12-06 03:27:07,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:27:07,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 03:27:07,135 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 03:27:07,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:27:07,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:27:07,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:32:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:32:12,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:32:12,904 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) [2024-12-06 03:32:12,907 INFO L158 Benchmark]: Toolchain (without parser) took 382121.30ms. Allocated memory was 142.6MB in the beginning and 3.1GB in the end (delta: 3.0GB). Free memory was 112.0MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-12-06 03:32:12,907 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:32:12,907 INFO L158 Benchmark]: CACSL2BoogieTranslator took 913.51ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 111.7MB in the beginning and 71.2MB in the end (delta: 40.5MB). Peak memory consumption was 108.4MB. Max. memory is 16.1GB. [2024-12-06 03:32:12,908 INFO L158 Benchmark]: Boogie Procedure Inliner took 842.26ms. Allocated memory was 151.0MB in the beginning and 352.3MB in the end (delta: 201.3MB). Free memory was 71.2MB in the beginning and 129.8MB in the end (delta: -58.6MB). Peak memory consumption was 241.8MB. Max. memory is 16.1GB. [2024-12-06 03:32:12,908 INFO L158 Benchmark]: Boogie Preprocessor took 901.35ms. Allocated memory was 352.3MB in the beginning and 788.5MB in the end (delta: 436.2MB). Free memory was 129.8MB in the beginning and 502.5MB in the end (delta: -372.8MB). Peak memory consumption was 76.4MB. Max. memory is 16.1GB. [2024-12-06 03:32:12,909 INFO L158 Benchmark]: RCFGBuilder took 33202.31ms. Allocated memory was 788.5MB in the beginning and 1.8GB in the end (delta: 1.1GB). Free memory was 502.5MB in the beginning and 1.2GB in the end (delta: -678.1MB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2024-12-06 03:32:12,909 INFO L158 Benchmark]: CodeCheck took 346257.61ms. Allocated memory was 1.8GB in the beginning and 3.1GB in the end (delta: 1.3GB). Free memory was 1.2GB in the beginning and 2.0GB in the end (delta: -841.0MB). Peak memory consumption was 459.0MB. Max. memory is 16.1GB. [2024-12-06 03:32:12,912 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 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 913.51ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 111.7MB in the beginning and 71.2MB in the end (delta: 40.5MB). Peak memory consumption was 108.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 842.26ms. Allocated memory was 151.0MB in the beginning and 352.3MB in the end (delta: 201.3MB). Free memory was 71.2MB in the beginning and 129.8MB in the end (delta: -58.6MB). Peak memory consumption was 241.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 901.35ms. Allocated memory was 352.3MB in the beginning and 788.5MB in the end (delta: 436.2MB). Free memory was 129.8MB in the beginning and 502.5MB in the end (delta: -372.8MB). Peak memory consumption was 76.4MB. Max. memory is 16.1GB. * RCFGBuilder took 33202.31ms. Allocated memory was 788.5MB in the beginning and 1.8GB in the end (delta: 1.1GB). Free memory was 502.5MB in the beginning and 1.2GB in the end (delta: -678.1MB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. * CodeCheck took 346257.61ms. Allocated memory was 1.8GB in the beginning and 3.1GB in the end (delta: 1.3GB). Free memory was 1.2GB in the beginning and 2.0GB in the end (delta: -841.0MB). Peak memory consumption was 459.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 03:32:13,123 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ece2bba-b018-41ca-a186-d902f117e003/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 03:32:13,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ece2bba-b018-41ca-a186-d902f117e003/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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_1ece2bba-b018-41ca-a186-d902f117e003/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ece2bba-b018-41ca-a186-d902f117e003/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ece2bba-b018-41ca-a186-d902f117e003/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ece2bba-b018-41ca-a186-d902f117e003/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop2-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ece2bba-b018-41ca-a186-d902f117e003/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ece2bba-b018-41ca-a186-d902f117e003/bin/ukojak-verify-CZk0znPC7b --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 b4bafed6e88661139cd39a0b26436eebfdcb9e6792e4419ea951893fc447a4d5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:32:15,089 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:32:15,171 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ece2bba-b018-41ca-a186-d902f117e003/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 03:32:15,195 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:32:15,196 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:32:15,196 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:32:15,197 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:32:15,197 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:32:15,197 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:32:15,197 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:32:15,197 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:32:15,197 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:32:15,197 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:32:15,197 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:32:15,197 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:32:15,198 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:32:15,198 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:32:15,198 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:32:15,198 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:32:15,198 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:32:15,198 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:32:15,198 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:32:15,198 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:32:15,198 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:32:15,198 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:32:15,199 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:32:15,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:32:15,199 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:32:15,199 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:32:15,199 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:32:15,199 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:32:15,199 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:32:15,199 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:32:15,199 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_1ece2bba-b018-41ca-a186-d902f117e003/bin/ukojak-verify-CZk0znPC7b 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 -> b4bafed6e88661139cd39a0b26436eebfdcb9e6792e4419ea951893fc447a4d5 [2024-12-06 03:32:15,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:32:15,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:32:15,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:32:15,438 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:32:15,439 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:32:15,440 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ece2bba-b018-41ca-a186-d902f117e003/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop2-back-serstep.c [2024-12-06 03:32:18,142 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ece2bba-b018-41ca-a186-d902f117e003/bin/ukojak-verify-CZk0znPC7b/data/902eb515a/aa62f9ecd1724c7e982558db880bbb56/FLAG0faeba600 [2024-12-06 03:32:18,443 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:32:18,443 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ece2bba-b018-41ca-a186-d902f117e003/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop2-back-serstep.c [2024-12-06 03:32:18,464 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ece2bba-b018-41ca-a186-d902f117e003/bin/ukojak-verify-CZk0znPC7b/data/902eb515a/aa62f9ecd1724c7e982558db880bbb56/FLAG0faeba600 [2024-12-06 03:32:18,479 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ece2bba-b018-41ca-a186-d902f117e003/bin/ukojak-verify-CZk0znPC7b/data/902eb515a/aa62f9ecd1724c7e982558db880bbb56 [2024-12-06 03:32:18,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:32:18,483 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:32:18,484 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:32:18,484 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:32:18,488 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:32:18,489 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:32:18" (1/1) ... [2024-12-06 03:32:18,490 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62473595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:32:18, skipping insertion in model container [2024-12-06 03:32:18,490 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:32:18" (1/1) ... [2024-12-06 03:32:18,543 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:32:18,716 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_1ece2bba-b018-41ca-a186-d902f117e003/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop2-back-serstep.c[1172,1185] [2024-12-06 03:32:19,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:32:19,012 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:32:19,019 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_1ece2bba-b018-41ca-a186-d902f117e003/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop2-back-serstep.c[1172,1185] [2024-12-06 03:32:19,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:32:19,173 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:32:19,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:32:19 WrapperNode [2024-12-06 03:32:19,173 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:32:19,174 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:32:19,174 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:32:19,174 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:32:19,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:32:19" (1/1) ... [2024-12-06 03:32:19,216 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:32:19" (1/1) ... [2024-12-06 03:32:19,306 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3315 [2024-12-06 03:32:19,307 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:32:19,307 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:32:19,307 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:32:19,307 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:32:19,313 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:32:19" (1/1) ... [2024-12-06 03:32:19,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:32:19" (1/1) ... [2024-12-06 03:32:19,333 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:32:19" (1/1) ... [2024-12-06 03:32:19,333 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:32:19" (1/1) ... [2024-12-06 03:32:19,388 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:32:19" (1/1) ... [2024-12-06 03:32:19,392 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:32:19" (1/1) ... [2024-12-06 03:32:19,398 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:32:19" (1/1) ... [2024-12-06 03:32:19,408 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:32:19" (1/1) ... [2024-12-06 03:32:19,418 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:32:19" (1/1) ... [2024-12-06 03:32:19,435 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:32:19,436 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:32:19,436 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:32:19,436 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:32:19,437 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:32:19" (1/1) ... [2024-12-06 03:32:19,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:32:19,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ece2bba-b018-41ca-a186-d902f117e003/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:32:19,464 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ece2bba-b018-41ca-a186-d902f117e003/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:32:19,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ece2bba-b018-41ca-a186-d902f117e003/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:32:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:32:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:32:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:32:19,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:32:19,997 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:32:19,999 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:32:24,047 INFO L? ?]: Removed 316 outVars from TransFormulas that were not future-live. [2024-12-06 03:32:24,047 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:32:24,116 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:32:24,117 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:32:24,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:32:24 BoogieIcfgContainer [2024-12-06 03:32:24,117 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:32:24,117 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:32:24,118 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:32:24,124 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:32:24,124 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:32:24" (1/1) ... [2024-12-06 03:32:24,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:32:24,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:32:24,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 03:32:24,164 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 03:32:24,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:32:24,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:32:24,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:32:24,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ece2bba-b018-41ca-a186-d902f117e003/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:32:24,168 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ece2bba-b018-41ca-a186-d902f117e003/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:32:24,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ece2bba-b018-41ca-a186-d902f117e003/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:32:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:32:25,096 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:32:25,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:32:25,335 INFO L256 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:32:25,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:32:25,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:32:25,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ece2bba-b018-41ca-a186-d902f117e003/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:32:26,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:32:26,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 03:32:26,149 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 03:32:26,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:32:26,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:32:26,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:32:26,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ece2bba-b018-41ca-a186-d902f117e003/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:32:26,151 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ece2bba-b018-41ca-a186-d902f117e003/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:32:26,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ece2bba-b018-41ca-a186-d902f117e003/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:32:27,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:32:27,640 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:32:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:32:28,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 83 conjuncts are in the unsatisfiable core [2024-12-06 03:32:28,200 INFO L279 TraceCheckSpWp]: Computing forward predicates...