./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.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_794963b0-3f52-475c-9095-807f60fd755b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794963b0-3f52-475c-9095-807f60fd755b/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_794963b0-3f52-475c-9095-807f60fd755b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794963b0-3f52-475c-9095-807f60fd755b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794963b0-3f52-475c-9095-807f60fd755b/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_794963b0-3f52-475c-9095-807f60fd755b/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 cafa0fbe73779f675de2a2b2a18526b0e65b5b3074aaab9b00000d8008efcde3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:59:17,664 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:59:17,716 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794963b0-3f52-475c-9095-807f60fd755b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 00:59:17,720 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:59:17,720 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:59:17,738 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:59:17,739 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:59:17,739 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:59:17,739 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:59:17,739 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:59:17,739 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:59:17,740 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:59:17,740 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:59:17,740 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:59:17,740 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:59:17,740 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:59:17,740 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:59:17,740 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:59:17,740 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:59:17,740 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:59:17,740 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:59:17,741 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:59:17,741 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:59:17,741 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:59:17,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:59:17,741 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:59:17,741 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:59:17,741 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:59:17,741 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:59:17,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:59:17,742 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_794963b0-3f52-475c-9095-807f60fd755b/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 -> cafa0fbe73779f675de2a2b2a18526b0e65b5b3074aaab9b00000d8008efcde3 [2024-12-06 00:59:17,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:59:17,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:59:17,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:59:17,948 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:59:17,949 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:59:17,950 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794963b0-3f52-475c-9095-807f60fd755b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-back-serstep.c [2024-12-06 00:59:20,600 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794963b0-3f52-475c-9095-807f60fd755b/bin/ukojak-verify-CZk0znPC7b/data/3579d8230/c99c8b5a408a4269b89ab064551fa2e8/FLAG34226ccb1 [2024-12-06 00:59:20,856 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:59:20,857 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794963b0-3f52-475c-9095-807f60fd755b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-back-serstep.c [2024-12-06 00:59:20,868 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794963b0-3f52-475c-9095-807f60fd755b/bin/ukojak-verify-CZk0znPC7b/data/3579d8230/c99c8b5a408a4269b89ab064551fa2e8/FLAG34226ccb1 [2024-12-06 00:59:21,148 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794963b0-3f52-475c-9095-807f60fd755b/bin/ukojak-verify-CZk0znPC7b/data/3579d8230/c99c8b5a408a4269b89ab064551fa2e8 [2024-12-06 00:59:21,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:59:21,151 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:59:21,152 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:59:21,152 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:59:21,157 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:59:21,157 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:59:21" (1/1) ... [2024-12-06 00:59:21,158 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3243fc44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:59:21, skipping insertion in model container [2024-12-06 00:59:21,158 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:59:21" (1/1) ... [2024-12-06 00:59:21,196 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:59:21,355 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_794963b0-3f52-475c-9095-807f60fd755b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-back-serstep.c[1172,1185] [2024-12-06 00:59:21,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:59:21,609 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:59:21,616 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_794963b0-3f52-475c-9095-807f60fd755b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-back-serstep.c[1172,1185] [2024-12-06 00:59:21,772 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:59:21,785 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:59:21,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:59:21 WrapperNode [2024-12-06 00:59:21,786 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:59:21,787 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:59:21,787 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:59:21,787 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:59:21,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:59:21" (1/1) ... [2024-12-06 00:59:21,831 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:59:21" (1/1) ... [2024-12-06 00:59:22,120 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3638 [2024-12-06 00:59:22,120 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:59:22,121 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:59:22,121 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:59:22,121 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:59:22,127 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:59:21" (1/1) ... [2024-12-06 00:59:22,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:59:21" (1/1) ... [2024-12-06 00:59:22,186 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:59:21" (1/1) ... [2024-12-06 00:59:22,186 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:59:21" (1/1) ... [2024-12-06 00:59:22,307 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:59:21" (1/1) ... [2024-12-06 00:59:22,314 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:59:21" (1/1) ... [2024-12-06 00:59:22,327 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:59:21" (1/1) ... [2024-12-06 00:59:22,363 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:59:21" (1/1) ... [2024-12-06 00:59:22,374 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:59:21" (1/1) ... [2024-12-06 00:59:22,446 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:59:22,446 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:59:22,446 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:59:22,447 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:59:22,448 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:59:21" (1/1) ... [2024-12-06 00:59:22,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:59:22,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794963b0-3f52-475c-9095-807f60fd755b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:59:22,475 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794963b0-3f52-475c-9095-807f60fd755b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:59:22,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794963b0-3f52-475c-9095-807f60fd755b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:59:22,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:59:22,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:59:22,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:59:22,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:59:22,801 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:59:22,802 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:59:26,442 INFO L? ?]: Removed 2246 outVars from TransFormulas that were not future-live. [2024-12-06 00:59:26,442 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:59:30,919 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:59:30,919 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:59:30,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:59:30 BoogieIcfgContainer [2024-12-06 00:59:30,920 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:59:30,921 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:59:30,921 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:59:30,930 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:59:30,930 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:59:30" (1/1) ... [2024-12-06 00:59:30,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:59:30,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:59:30,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:59:30,985 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:59:30,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:59:30,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:59:30,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:59:31,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:59:32,547 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 00:59:42,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 00:59:52,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 00:59:55,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:59:55,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:59:55,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 00:59:55,847 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 00:59:55,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:59:55,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:59:55,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:00:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:00:51,339 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 01:00:51,343 INFO L158 Benchmark]: Toolchain (without parser) took 90192.04ms. Allocated memory was 117.4MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 90.6MB in the beginning and 939.2MB in the end (delta: -848.7MB). Peak memory consumption was 846.5MB. Max. memory is 16.1GB. [2024-12-06 01:00:51,344 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:00:51,344 INFO L158 Benchmark]: CACSL2BoogieTranslator took 634.37ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 90.6MB in the beginning and 157.2MB in the end (delta: -66.6MB). Peak memory consumption was 85.7MB. Max. memory is 16.1GB. [2024-12-06 01:00:51,345 INFO L158 Benchmark]: Boogie Procedure Inliner took 333.03ms. Allocated memory is still 201.3MB. Free memory was 157.2MB in the beginning and 77.2MB in the end (delta: 80.0MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-12-06 01:00:51,345 INFO L158 Benchmark]: Boogie Preprocessor took 325.12ms. Allocated memory is still 201.3MB. Free memory was 77.2MB in the beginning and 97.8MB in the end (delta: -20.6MB). Peak memory consumption was 93.1MB. Max. memory is 16.1GB. [2024-12-06 01:00:51,346 INFO L158 Benchmark]: RCFGBuilder took 8473.51ms. Allocated memory was 201.3MB in the beginning and 587.2MB in the end (delta: 385.9MB). Free memory was 97.8MB in the beginning and 146.5MB in the end (delta: -48.7MB). Peak memory consumption was 401.9MB. Max. memory is 16.1GB. [2024-12-06 01:00:51,346 INFO L158 Benchmark]: CodeCheck took 80421.55ms. Allocated memory was 587.2MB in the beginning and 1.8GB in the end (delta: 1.2GB). Free memory was 146.5MB in the beginning and 939.2MB in the end (delta: -792.7MB). Peak memory consumption was 434.6MB. Max. memory is 16.1GB. [2024-12-06 01:00:51,349 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 0.33ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 634.37ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 90.6MB in the beginning and 157.2MB in the end (delta: -66.6MB). Peak memory consumption was 85.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 333.03ms. Allocated memory is still 201.3MB. Free memory was 157.2MB in the beginning and 77.2MB in the end (delta: 80.0MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 325.12ms. Allocated memory is still 201.3MB. Free memory was 77.2MB in the beginning and 97.8MB in the end (delta: -20.6MB). Peak memory consumption was 93.1MB. Max. memory is 16.1GB. * RCFGBuilder took 8473.51ms. Allocated memory was 201.3MB in the beginning and 587.2MB in the end (delta: 385.9MB). Free memory was 97.8MB in the beginning and 146.5MB in the end (delta: -48.7MB). Peak memory consumption was 401.9MB. Max. memory is 16.1GB. * CodeCheck took 80421.55ms. Allocated memory was 587.2MB in the beginning and 1.8GB in the end (delta: 1.2GB). Free memory was 146.5MB in the beginning and 939.2MB in the end (delta: -792.7MB). Peak memory consumption was 434.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 01:00:51,558 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794963b0-3f52-475c-9095-807f60fd755b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 01:00:51,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794963b0-3f52-475c-9095-807f60fd755b/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_794963b0-3f52-475c-9095-807f60fd755b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794963b0-3f52-475c-9095-807f60fd755b/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_794963b0-3f52-475c-9095-807f60fd755b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794963b0-3f52-475c-9095-807f60fd755b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794963b0-3f52-475c-9095-807f60fd755b/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_794963b0-3f52-475c-9095-807f60fd755b/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 cafa0fbe73779f675de2a2b2a18526b0e65b5b3074aaab9b00000d8008efcde3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:00:53,391 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:00:53,470 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794963b0-3f52-475c-9095-807f60fd755b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 01:00:53,496 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:00:53,497 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:00:53,497 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:00:53,497 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:00:53,498 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:00:53,498 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:00:53,498 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:00:53,498 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:00:53,498 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:00:53,498 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:00:53,498 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:00:53,498 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:00:53,498 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:00:53,499 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:00:53,499 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:00:53,499 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:00:53,499 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:00:53,499 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:00:53,499 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:00:53,499 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:00:53,499 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:00:53,499 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:00:53,499 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:00:53,499 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:00:53,500 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:00:53,500 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:00:53,500 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:00:53,500 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:00:53,500 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:00:53,500 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:00:53,500 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_794963b0-3f52-475c-9095-807f60fd755b/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 -> cafa0fbe73779f675de2a2b2a18526b0e65b5b3074aaab9b00000d8008efcde3 [2024-12-06 01:00:53,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:00:53,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:00:53,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:00:53,750 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:00:53,751 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:00:53,752 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794963b0-3f52-475c-9095-807f60fd755b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-back-serstep.c [2024-12-06 01:00:56,428 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794963b0-3f52-475c-9095-807f60fd755b/bin/ukojak-verify-CZk0znPC7b/data/d1b524a87/51f56decaded43cd9c258b127c0324b1/FLAGd6ea3d353 [2024-12-06 01:00:56,681 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:00:56,682 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794963b0-3f52-475c-9095-807f60fd755b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-back-serstep.c [2024-12-06 01:00:56,695 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794963b0-3f52-475c-9095-807f60fd755b/bin/ukojak-verify-CZk0znPC7b/data/d1b524a87/51f56decaded43cd9c258b127c0324b1/FLAGd6ea3d353 [2024-12-06 01:00:56,709 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794963b0-3f52-475c-9095-807f60fd755b/bin/ukojak-verify-CZk0znPC7b/data/d1b524a87/51f56decaded43cd9c258b127c0324b1 [2024-12-06 01:00:56,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:00:56,713 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:00:56,714 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:00:56,714 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:00:56,718 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:00:56,719 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:00:56" (1/1) ... [2024-12-06 01:00:56,720 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5506c4c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:56, skipping insertion in model container [2024-12-06 01:00:56,720 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:00:56" (1/1) ... [2024-12-06 01:00:56,764 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:00:56,921 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_794963b0-3f52-475c-9095-807f60fd755b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-back-serstep.c[1172,1185] [2024-12-06 01:00:57,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:00:57,168 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:00:57,176 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_794963b0-3f52-475c-9095-807f60fd755b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-back-serstep.c[1172,1185] [2024-12-06 01:00:57,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:00:57,287 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:00:57,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:57 WrapperNode [2024-12-06 01:00:57,288 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:00:57,289 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:00:57,289 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:00:57,289 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:00:57,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:57" (1/1) ... [2024-12-06 01:00:57,320 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:57" (1/1) ... [2024-12-06 01:00:57,384 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1590 [2024-12-06 01:00:57,384 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:00:57,385 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:00:57,385 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:00:57,385 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:00:57,390 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:57" (1/1) ... [2024-12-06 01:00:57,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:57" (1/1) ... [2024-12-06 01:00:57,399 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:57" (1/1) ... [2024-12-06 01:00:57,399 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:57" (1/1) ... [2024-12-06 01:00:57,440 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:57" (1/1) ... [2024-12-06 01:00:57,444 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:57" (1/1) ... [2024-12-06 01:00:57,448 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:57" (1/1) ... [2024-12-06 01:00:57,454 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:57" (1/1) ... [2024-12-06 01:00:57,459 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:57" (1/1) ... [2024-12-06 01:00:57,472 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:00:57,473 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:00:57,473 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:00:57,473 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:00:57,474 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:57" (1/1) ... [2024-12-06 01:00:57,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:00:57,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794963b0-3f52-475c-9095-807f60fd755b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:00:57,504 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794963b0-3f52-475c-9095-807f60fd755b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:00:57,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794963b0-3f52-475c-9095-807f60fd755b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:00:57,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:00:57,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:00:57,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:00:57,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:00:57,819 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:00:57,821 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:01:00,459 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-12-06 01:01:00,459 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:01:00,520 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:01:00,520 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:01:00,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:01:00 BoogieIcfgContainer [2024-12-06 01:01:00,521 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:01:00,522 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:01:00,522 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:01:00,532 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:01:00,532 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:01:00" (1/1) ... [2024-12-06 01:01:00,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:01:00,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:01:00,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 01:01:00,586 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 01:01:00,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:01:00,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:01:00,589 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:01:00,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794963b0-3f52-475c-9095-807f60fd755b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:01:00,591 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794963b0-3f52-475c-9095-807f60fd755b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:01:00,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794963b0-3f52-475c-9095-807f60fd755b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:01:01,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:01,106 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:01:01,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:01,258 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 01:01:01,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:01:01,351 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 01:01:01,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794963b0-3f52-475c-9095-807f60fd755b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:01:01,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:01:01,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 01:01:01,709 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 01:01:01,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:01:01,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:01:01,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:01:01,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794963b0-3f52-475c-9095-807f60fd755b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:01:01,712 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794963b0-3f52-475c-9095-807f60fd755b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:01:01,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794963b0-3f52-475c-9095-807f60fd755b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:01:02,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:02,674 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:01:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:02,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-12-06 01:01:02,932 INFO L279 TraceCheckSpWp]: Computing forward predicates...