./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.4.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0d0637-562e-47d0-91cc-7de5824c8f09/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0d0637-562e-47d0-91cc-7de5824c8f09/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_4a0d0637-562e-47d0-91cc-7de5824c8f09/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0d0637-562e-47d0-91cc-7de5824c8f09/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0d0637-562e-47d0-91cc-7de5824c8f09/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_4a0d0637-562e-47d0-91cc-7de5824c8f09/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 68a55bedb3ce5d88048ce2811ac881e3c64e8eae8c5ff4c79791115c2e75ebd9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:58:55,278 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:58:55,332 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0d0637-562e-47d0-91cc-7de5824c8f09/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 03:58:55,337 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:58:55,337 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:58:55,358 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:58:55,358 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:58:55,359 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:58:55,359 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:58:55,359 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:58:55,359 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:58:55,359 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:58:55,360 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:58:55,360 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:58:55,360 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:58:55,360 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:58:55,360 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:58:55,360 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:58:55,360 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:58:55,360 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:58:55,360 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:58:55,361 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:58:55,361 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:58:55,361 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:58:55,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:58:55,361 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:58:55,361 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:58:55,361 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:58:55,361 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:58:55,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:58:55,362 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_4a0d0637-562e-47d0-91cc-7de5824c8f09/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 -> 68a55bedb3ce5d88048ce2811ac881e3c64e8eae8c5ff4c79791115c2e75ebd9 [2024-12-06 03:58:55,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:58:55,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:58:55,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:58:55,605 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:58:55,605 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:58:55,606 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0d0637-562e-47d0-91cc-7de5824c8f09/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.4.prop1-back-serstep.c [2024-12-06 03:58:58,322 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0d0637-562e-47d0-91cc-7de5824c8f09/bin/ukojak-verify-CZk0znPC7b/data/1b6d28420/1db7bb986ec64e5b83ea225ce30cad7a/FLAGe156cf12b [2024-12-06 03:58:58,639 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:58:58,640 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0d0637-562e-47d0-91cc-7de5824c8f09/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.4.prop1-back-serstep.c [2024-12-06 03:58:58,653 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0d0637-562e-47d0-91cc-7de5824c8f09/bin/ukojak-verify-CZk0znPC7b/data/1b6d28420/1db7bb986ec64e5b83ea225ce30cad7a/FLAGe156cf12b [2024-12-06 03:58:58,667 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0d0637-562e-47d0-91cc-7de5824c8f09/bin/ukojak-verify-CZk0znPC7b/data/1b6d28420/1db7bb986ec64e5b83ea225ce30cad7a [2024-12-06 03:58:58,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:58:58,670 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:58:58,671 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:58:58,671 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:58:58,674 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:58:58,675 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:58:58" (1/1) ... [2024-12-06 03:58:58,675 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78ff0aed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:58, skipping insertion in model container [2024-12-06 03:58:58,675 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:58:58" (1/1) ... [2024-12-06 03:58:58,718 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:58:58,881 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_4a0d0637-562e-47d0-91cc-7de5824c8f09/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.4.prop1-back-serstep.c[1174,1187] [2024-12-06 03:58:59,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:58:59,195 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:58:59,202 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_4a0d0637-562e-47d0-91cc-7de5824c8f09/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.4.prop1-back-serstep.c[1174,1187] [2024-12-06 03:58:59,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:58:59,400 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:58:59,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:59 WrapperNode [2024-12-06 03:58:59,400 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:58:59,401 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:58:59,401 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:58:59,401 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:58:59,406 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:59" (1/1) ... [2024-12-06 03:58:59,450 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:59" (1/1) ... [2024-12-06 03:58:59,995 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 6536 [2024-12-06 03:58:59,995 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:58:59,996 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:58:59,996 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:58:59,996 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:59:00,005 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:59" (1/1) ... [2024-12-06 03:59:00,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:59" (1/1) ... [2024-12-06 03:59:00,198 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:59" (1/1) ... [2024-12-06 03:59:00,199 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:59" (1/1) ... [2024-12-06 03:59:00,402 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:59" (1/1) ... [2024-12-06 03:59:00,452 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:59" (1/1) ... [2024-12-06 03:59:00,526 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:59" (1/1) ... [2024-12-06 03:59:00,567 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:59" (1/1) ... [2024-12-06 03:59:00,588 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:59" (1/1) ... [2024-12-06 03:59:00,694 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:59:00,695 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:59:00,695 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:59:00,696 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:59:00,697 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:59" (1/1) ... [2024-12-06 03:59:00,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:59:00,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0d0637-562e-47d0-91cc-7de5824c8f09/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:59:00,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0d0637-562e-47d0-91cc-7de5824c8f09/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:59:00,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0d0637-562e-47d0-91cc-7de5824c8f09/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:59:00,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:59:00,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:59:00,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:59:00,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:59:01,241 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:59:01,244 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:59:10,736 INFO L? ?]: Removed 3609 outVars from TransFormulas that were not future-live. [2024-12-06 03:59:10,736 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:59:21,387 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:59:21,387 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:59:21,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:59:21 BoogieIcfgContainer [2024-12-06 03:59:21,388 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:59:21,389 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:59:21,389 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:59:21,397 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:59:21,397 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:59:21" (1/1) ... [2024-12-06 03:59:21,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:59:21,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:59:21,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 03:59:21,453 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 03:59:21,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:59:21,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:59:21,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:59:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:59:24,717 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 03:59:34,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:59:44,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:59:49,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.74s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:59:52,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:59:53,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:59:55,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:00:05,350 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 04:00:05,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:00:05,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 04:00:05,395 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 04:00:05,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:00:05,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:00:05,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:01:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:01:30,723 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:02:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:03:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:03:06,590 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 04:03:06,594 INFO L158 Benchmark]: Toolchain (without parser) took 247924.19ms. Allocated memory was 142.6MB in the beginning and 4.0GB in the end (delta: 3.9GB). Free memory was 113.9MB in the beginning and 3.3GB in the end (delta: -3.2GB). Peak memory consumption was 719.8MB. Max. memory is 16.1GB. [2024-12-06 04:03:06,594 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:03:06,595 INFO L158 Benchmark]: CACSL2BoogieTranslator took 729.99ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 77.2MB in the end (delta: 36.4MB). Peak memory consumption was 88.2MB. Max. memory is 16.1GB. [2024-12-06 04:03:06,595 INFO L158 Benchmark]: Boogie Procedure Inliner took 594.10ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 77.2MB in the beginning and 190.0MB in the end (delta: -112.8MB). Peak memory consumption was 98.9MB. Max. memory is 16.1GB. [2024-12-06 04:03:06,595 INFO L158 Benchmark]: Boogie Preprocessor took 698.83ms. Allocated memory is still 352.3MB. Free memory was 190.0MB in the beginning and 172.1MB in the end (delta: 17.9MB). Peak memory consumption was 103.0MB. Max. memory is 16.1GB. [2024-12-06 04:03:06,596 INFO L158 Benchmark]: RCFGBuilder took 20692.67ms. Allocated memory was 352.3MB in the beginning and 2.0GB in the end (delta: 1.7GB). Free memory was 172.1MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-12-06 04:03:06,596 INFO L158 Benchmark]: CodeCheck took 225204.58ms. Allocated memory was 2.0GB in the beginning and 4.0GB in the end (delta: 2.0GB). Free memory was 1.2GB in the beginning and 3.3GB in the end (delta: -2.0GB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:03:06,598 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 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 729.99ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 77.2MB in the end (delta: 36.4MB). Peak memory consumption was 88.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 594.10ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 77.2MB in the beginning and 190.0MB in the end (delta: -112.8MB). Peak memory consumption was 98.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 698.83ms. Allocated memory is still 352.3MB. Free memory was 190.0MB in the beginning and 172.1MB in the end (delta: 17.9MB). Peak memory consumption was 103.0MB. Max. memory is 16.1GB. * RCFGBuilder took 20692.67ms. Allocated memory was 352.3MB in the beginning and 2.0GB in the end (delta: 1.7GB). Free memory was 172.1MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * CodeCheck took 225204.58ms. Allocated memory was 2.0GB in the beginning and 4.0GB in the end (delta: 2.0GB). Free memory was 1.2GB in the beginning and 3.3GB in the end (delta: -2.0GB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 04:03:06,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0d0637-562e-47d0-91cc-7de5824c8f09/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0d0637-562e-47d0-91cc-7de5824c8f09/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0d0637-562e-47d0-91cc-7de5824c8f09/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_4a0d0637-562e-47d0-91cc-7de5824c8f09/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0d0637-562e-47d0-91cc-7de5824c8f09/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0d0637-562e-47d0-91cc-7de5824c8f09/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_4a0d0637-562e-47d0-91cc-7de5824c8f09/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 68a55bedb3ce5d88048ce2811ac881e3c64e8eae8c5ff4c79791115c2e75ebd9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:03:09,251 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:03:09,344 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0d0637-562e-47d0-91cc-7de5824c8f09/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 04:03:09,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:03:09,374 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:03:09,374 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:03:09,375 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:03:09,375 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:03:09,375 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:03:09,375 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:03:09,375 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:03:09,375 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:03:09,375 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:03:09,376 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:03:09,376 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:03:09,376 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:03:09,376 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:03:09,376 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:03:09,376 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:03:09,376 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:03:09,377 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:03:09,377 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:03:09,377 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:03:09,377 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:03:09,377 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:03:09,377 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:03:09,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:03:09,377 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:03:09,378 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:03:09,378 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:03:09,378 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:03:09,378 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:03:09,379 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:03:09,379 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_4a0d0637-562e-47d0-91cc-7de5824c8f09/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 -> 68a55bedb3ce5d88048ce2811ac881e3c64e8eae8c5ff4c79791115c2e75ebd9 [2024-12-06 04:03:09,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:03:09,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:03:09,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:03:09,666 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:03:09,666 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:03:09,668 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0d0637-562e-47d0-91cc-7de5824c8f09/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.4.prop1-back-serstep.c [2024-12-06 04:03:12,795 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0d0637-562e-47d0-91cc-7de5824c8f09/bin/ukojak-verify-CZk0znPC7b/data/5556e2bda/d679d6c5a86f4351b731ceb78f73ba0a/FLAG778cdbaae [2024-12-06 04:03:13,083 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:03:13,084 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0d0637-562e-47d0-91cc-7de5824c8f09/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.4.prop1-back-serstep.c [2024-12-06 04:03:13,102 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0d0637-562e-47d0-91cc-7de5824c8f09/bin/ukojak-verify-CZk0znPC7b/data/5556e2bda/d679d6c5a86f4351b731ceb78f73ba0a/FLAG778cdbaae [2024-12-06 04:03:13,120 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0d0637-562e-47d0-91cc-7de5824c8f09/bin/ukojak-verify-CZk0znPC7b/data/5556e2bda/d679d6c5a86f4351b731ceb78f73ba0a [2024-12-06 04:03:13,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:03:13,124 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:03:13,126 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:03:13,126 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:03:13,131 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:03:13,132 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:03:13" (1/1) ... [2024-12-06 04:03:13,134 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c8316ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:03:13, skipping insertion in model container [2024-12-06 04:03:13,134 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:03:13" (1/1) ... [2024-12-06 04:03:13,185 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:03:13,356 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_4a0d0637-562e-47d0-91cc-7de5824c8f09/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.4.prop1-back-serstep.c[1174,1187] [2024-12-06 04:03:13,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:03:13,639 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:03:13,649 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_4a0d0637-562e-47d0-91cc-7de5824c8f09/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.4.prop1-back-serstep.c[1174,1187] [2024-12-06 04:03:13,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:03:13,794 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:03:13,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:03:13 WrapperNode [2024-12-06 04:03:13,794 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:03:13,795 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:03:13,795 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:03:13,796 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:03:13,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:03:13" (1/1) ... [2024-12-06 04:03:13,835 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:03:13" (1/1) ... [2024-12-06 04:03:13,910 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2176 [2024-12-06 04:03:13,911 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:03:13,911 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:03:13,911 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:03:13,911 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:03:13,919 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:03:13" (1/1) ... [2024-12-06 04:03:13,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:03:13" (1/1) ... [2024-12-06 04:03:13,934 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:03:13" (1/1) ... [2024-12-06 04:03:13,935 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:03:13" (1/1) ... [2024-12-06 04:03:13,976 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:03:13" (1/1) ... [2024-12-06 04:03:13,981 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:03:13" (1/1) ... [2024-12-06 04:03:13,986 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:03:13" (1/1) ... [2024-12-06 04:03:13,993 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:03:13" (1/1) ... [2024-12-06 04:03:14,002 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:03:13" (1/1) ... [2024-12-06 04:03:14,031 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:03:14,032 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:03:14,032 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:03:14,032 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:03:14,033 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:03:13" (1/1) ... [2024-12-06 04:03:14,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:03:14,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0d0637-562e-47d0-91cc-7de5824c8f09/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:03:14,064 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0d0637-562e-47d0-91cc-7de5824c8f09/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:03:14,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0d0637-562e-47d0-91cc-7de5824c8f09/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:03:14,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:03:14,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:03:14,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:03:14,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:03:14,453 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:03:14,455 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:03:17,141 INFO L? ?]: Removed 210 outVars from TransFormulas that were not future-live. [2024-12-06 04:03:17,141 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:03:17,225 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:03:17,225 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:03:17,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:03:17 BoogieIcfgContainer [2024-12-06 04:03:17,226 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:03:17,226 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:03:17,227 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:03:17,237 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:03:17,237 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:03:17" (1/1) ... [2024-12-06 04:03:17,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:03:17,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:03:17,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 04:03:17,294 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 04:03:17,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:03:17,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:03:17,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:03:17,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0d0637-562e-47d0-91cc-7de5824c8f09/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:03:17,299 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0d0637-562e-47d0-91cc-7de5824c8f09/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:03:17,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0d0637-562e-47d0-91cc-7de5824c8f09/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:03:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:03:18,022 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:03:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:03:18,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 04:03:18,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:03:18,319 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 04:03:18,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0d0637-562e-47d0-91cc-7de5824c8f09/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 04:03:18,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:03:18,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 04:03:18,637 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 04:03:18,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:03:18,637 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:03:18,637 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:03:18,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0d0637-562e-47d0-91cc-7de5824c8f09/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:03:18,640 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0d0637-562e-47d0-91cc-7de5824c8f09/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:03:18,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a0d0637-562e-47d0-91cc-7de5824c8f09/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 04:03:19,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:03:19,760 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:03:20,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:03:20,116 INFO L256 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 70 conjuncts are in the unsatisfiable core [2024-12-06 04:03:20,143 INFO L279 TraceCheckSpWp]: Computing forward predicates...