./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop1-func-interl.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_73cb9f17-0df3-417e-976b-5c515a23d07f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cb9f17-0df3-417e-976b-5c515a23d07f/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_73cb9f17-0df3-417e-976b-5c515a23d07f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cb9f17-0df3-417e-976b-5c515a23d07f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cb9f17-0df3-417e-976b-5c515a23d07f/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_73cb9f17-0df3-417e-976b-5c515a23d07f/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 cf4ceb4f5cd685580c1f5a880dbcf4ebbaf2e22cf232f63c467765f2dfab9d42 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:18:29,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:18:29,690 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cb9f17-0df3-417e-976b-5c515a23d07f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 05:18:29,694 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:18:29,695 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:18:29,713 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:18:29,714 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:18:29,714 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:18:29,715 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:18:29,715 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:18:29,715 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:18:29,715 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:18:29,715 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:18:29,715 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:18:29,715 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:18:29,716 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:18:29,716 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:18:29,716 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:18:29,716 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:18:29,716 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:18:29,716 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:18:29,716 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:18:29,716 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:18:29,716 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:18:29,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:18:29,717 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:18:29,717 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:18:29,717 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:18:29,717 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:18:29,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:18:29,717 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_73cb9f17-0df3-417e-976b-5c515a23d07f/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 -> cf4ceb4f5cd685580c1f5a880dbcf4ebbaf2e22cf232f63c467765f2dfab9d42 [2024-12-06 05:18:29,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:18:29,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:18:29,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:18:29,936 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:18:29,937 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:18:29,938 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cb9f17-0df3-417e-976b-5c515a23d07f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop1-func-interl.c [2024-12-06 05:18:32,608 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cb9f17-0df3-417e-976b-5c515a23d07f/bin/ukojak-verify-CZk0znPC7b/data/cd0bc4b42/ea56d3091eb742dca77b3e00bbc5c384/FLAGc19d75c01 [2024-12-06 05:18:32,907 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:18:32,908 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cb9f17-0df3-417e-976b-5c515a23d07f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop1-func-interl.c [2024-12-06 05:18:32,924 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cb9f17-0df3-417e-976b-5c515a23d07f/bin/ukojak-verify-CZk0znPC7b/data/cd0bc4b42/ea56d3091eb742dca77b3e00bbc5c384/FLAGc19d75c01 [2024-12-06 05:18:32,939 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cb9f17-0df3-417e-976b-5c515a23d07f/bin/ukojak-verify-CZk0znPC7b/data/cd0bc4b42/ea56d3091eb742dca77b3e00bbc5c384 [2024-12-06 05:18:32,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:18:32,943 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:18:32,944 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:18:32,944 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:18:32,948 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:18:32,949 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:18:32" (1/1) ... [2024-12-06 05:18:32,950 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56a961a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:32, skipping insertion in model container [2024-12-06 05:18:32,950 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:18:32" (1/1) ... [2024-12-06 05:18:32,998 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:18:33,169 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_73cb9f17-0df3-417e-976b-5c515a23d07f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop1-func-interl.c[1171,1184] [2024-12-06 05:18:33,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:18:33,534 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:18:33,542 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_73cb9f17-0df3-417e-976b-5c515a23d07f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop1-func-interl.c[1171,1184] [2024-12-06 05:18:33,771 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:18:33,784 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:18:33,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:33 WrapperNode [2024-12-06 05:18:33,785 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:18:33,785 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:18:33,785 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:18:33,785 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:18:33,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:33" (1/1) ... [2024-12-06 05:18:33,838 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:33" (1/1) ... [2024-12-06 05:18:34,556 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9269 [2024-12-06 05:18:34,557 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:18:34,557 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:18:34,557 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:18:34,557 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:18:34,562 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:33" (1/1) ... [2024-12-06 05:18:34,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:33" (1/1) ... [2024-12-06 05:18:34,722 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:33" (1/1) ... [2024-12-06 05:18:34,722 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:33" (1/1) ... [2024-12-06 05:18:34,940 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:33" (1/1) ... [2024-12-06 05:18:35,022 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:33" (1/1) ... [2024-12-06 05:18:35,076 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:33" (1/1) ... [2024-12-06 05:18:35,138 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:33" (1/1) ... [2024-12-06 05:18:35,170 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:33" (1/1) ... [2024-12-06 05:18:35,312 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:18:35,314 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:18:35,314 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:18:35,315 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:18:35,316 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:18:33" (1/1) ... [2024-12-06 05:18:35,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:18:35,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cb9f17-0df3-417e-976b-5c515a23d07f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:18:35,358 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cb9f17-0df3-417e-976b-5c515a23d07f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:18:35,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cb9f17-0df3-417e-976b-5c515a23d07f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:18:35,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:18:35,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:18:35,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:18:35,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:18:35,986 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:18:35,988 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:18:46,902 INFO L? ?]: Removed 5106 outVars from TransFormulas that were not future-live. [2024-12-06 05:18:46,902 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:18:58,612 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:18:58,612 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:18:58,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:18:58 BoogieIcfgContainer [2024-12-06 05:18:58,613 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:18:58,614 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:18:58,614 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:18:58,620 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:18:58,620 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:18:58" (1/1) ... [2024-12-06 05:18:58,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:18:58,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:58,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 05:18:58,663 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 05:18:58,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:18:58,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:58,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:18:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:19:01,060 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 05:19:11,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.44s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 05:19:21,594 WARN L539 Checker$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 05:19:22,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:19:22,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 05:19:22,111 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 05:19:22,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:19:22,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:19:22,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:21:11,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:21:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:21:22,696 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 05:21:22,703 INFO L158 Benchmark]: Toolchain (without parser) took 169759.56ms. Allocated memory was 142.6MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 114.5MB in the beginning and 1.0GB in the end (delta: -895.3MB). Peak memory consumption was 621.2MB. Max. memory is 16.1GB. [2024-12-06 05:21:22,704 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 05:21:22,704 INFO L158 Benchmark]: CACSL2BoogieTranslator took 840.81ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 72.9MB in the end (delta: 41.3MB). Peak memory consumption was 93.9MB. Max. memory is 16.1GB. [2024-12-06 05:21:22,705 INFO L158 Benchmark]: Boogie Procedure Inliner took 771.55ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 72.9MB in the beginning and 228.2MB in the end (delta: -155.3MB). Peak memory consumption was 276.5MB. Max. memory is 16.1GB. [2024-12-06 05:21:22,706 INFO L158 Benchmark]: Boogie Preprocessor took 755.07ms. Allocated memory was 427.8MB in the beginning and 1.3GB in the end (delta: 855.6MB). Free memory was 228.2MB in the beginning and 1.0GB in the end (delta: -802.0MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. [2024-12-06 05:21:22,707 INFO L158 Benchmark]: RCFGBuilder took 23298.73ms. Allocated memory was 1.3GB in the beginning and 2.5GB in the end (delta: 1.2GB). Free memory was 1.0GB in the beginning and 1.2GB in the end (delta: -167.6MB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2024-12-06 05:21:22,708 INFO L158 Benchmark]: CodeCheck took 144087.88ms. Allocated memory was 2.5GB in the beginning and 1.7GB in the end (delta: -813.7MB). Free memory was 1.2GB in the beginning and 1.0GB in the end (delta: 188.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:21:22,711 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 840.81ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 72.9MB in the end (delta: 41.3MB). Peak memory consumption was 93.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 771.55ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 72.9MB in the beginning and 228.2MB in the end (delta: -155.3MB). Peak memory consumption was 276.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 755.07ms. Allocated memory was 427.8MB in the beginning and 1.3GB in the end (delta: 855.6MB). Free memory was 228.2MB in the beginning and 1.0GB in the end (delta: -802.0MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. * RCFGBuilder took 23298.73ms. Allocated memory was 1.3GB in the beginning and 2.5GB in the end (delta: 1.2GB). Free memory was 1.0GB in the beginning and 1.2GB in the end (delta: -167.6MB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. * CodeCheck took 144087.88ms. Allocated memory was 2.5GB in the beginning and 1.7GB in the end (delta: -813.7MB). Free memory was 1.2GB in the beginning and 1.0GB in the end (delta: 188.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 05:21:22,925 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cb9f17-0df3-417e-976b-5c515a23d07f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 05:21:22,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cb9f17-0df3-417e-976b-5c515a23d07f/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_73cb9f17-0df3-417e-976b-5c515a23d07f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cb9f17-0df3-417e-976b-5c515a23d07f/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_73cb9f17-0df3-417e-976b-5c515a23d07f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cb9f17-0df3-417e-976b-5c515a23d07f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cb9f17-0df3-417e-976b-5c515a23d07f/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_73cb9f17-0df3-417e-976b-5c515a23d07f/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 cf4ceb4f5cd685580c1f5a880dbcf4ebbaf2e22cf232f63c467765f2dfab9d42 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:21:24,790 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:21:24,873 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cb9f17-0df3-417e-976b-5c515a23d07f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 05:21:24,899 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:21:24,900 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:21:24,900 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:21:24,900 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:21:24,901 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:21:24,901 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:21:24,901 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:21:24,901 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:21:24,901 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:21:24,901 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:21:24,901 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:21:24,901 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:21:24,901 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:21:24,901 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:21:24,902 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:21:24,902 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:21:24,902 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:21:24,902 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:21:24,902 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:21:24,902 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:21:24,902 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:21:24,902 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:21:24,902 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:21:24,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:21:24,903 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:21:24,903 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:21:24,903 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:21:24,903 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:21:24,903 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:21:24,903 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:21:24,903 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_73cb9f17-0df3-417e-976b-5c515a23d07f/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 -> cf4ceb4f5cd685580c1f5a880dbcf4ebbaf2e22cf232f63c467765f2dfab9d42 [2024-12-06 05:21:25,150 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:21:25,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:21:25,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:21:25,161 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:21:25,162 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:21:25,163 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cb9f17-0df3-417e-976b-5c515a23d07f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop1-func-interl.c [2024-12-06 05:21:27,837 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cb9f17-0df3-417e-976b-5c515a23d07f/bin/ukojak-verify-CZk0znPC7b/data/3640ee390/a68974e3450e4d3bb6308c749e776b5a/FLAG8718ec859 [2024-12-06 05:21:28,135 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:21:28,135 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cb9f17-0df3-417e-976b-5c515a23d07f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop1-func-interl.c [2024-12-06 05:21:28,151 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cb9f17-0df3-417e-976b-5c515a23d07f/bin/ukojak-verify-CZk0znPC7b/data/3640ee390/a68974e3450e4d3bb6308c749e776b5a/FLAG8718ec859 [2024-12-06 05:21:28,166 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cb9f17-0df3-417e-976b-5c515a23d07f/bin/ukojak-verify-CZk0znPC7b/data/3640ee390/a68974e3450e4d3bb6308c749e776b5a [2024-12-06 05:21:28,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:21:28,170 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:21:28,171 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:21:28,171 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:21:28,176 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:21:28,177 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:21:28" (1/1) ... [2024-12-06 05:21:28,178 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26569014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:28, skipping insertion in model container [2024-12-06 05:21:28,178 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:21:28" (1/1) ... [2024-12-06 05:21:28,227 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:21:28,384 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_73cb9f17-0df3-417e-976b-5c515a23d07f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop1-func-interl.c[1171,1184] [2024-12-06 05:21:28,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:21:28,669 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:21:28,676 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_73cb9f17-0df3-417e-976b-5c515a23d07f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop1-func-interl.c[1171,1184] [2024-12-06 05:21:28,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:21:28,803 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:21:28,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:28 WrapperNode [2024-12-06 05:21:28,803 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:21:28,804 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:21:28,804 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:21:28,804 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:21:28,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:28" (1/1) ... [2024-12-06 05:21:28,842 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:28" (1/1) ... [2024-12-06 05:21:28,935 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2653 [2024-12-06 05:21:28,935 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:21:28,936 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:21:28,936 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:21:28,936 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:21:28,943 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:28" (1/1) ... [2024-12-06 05:21:28,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:28" (1/1) ... [2024-12-06 05:21:28,958 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:28" (1/1) ... [2024-12-06 05:21:28,958 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:28" (1/1) ... [2024-12-06 05:21:28,995 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:28" (1/1) ... [2024-12-06 05:21:28,999 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:28" (1/1) ... [2024-12-06 05:21:29,005 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:28" (1/1) ... [2024-12-06 05:21:29,013 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:28" (1/1) ... [2024-12-06 05:21:29,023 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:28" (1/1) ... [2024-12-06 05:21:29,039 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:21:29,040 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:21:29,040 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:21:29,040 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:21:29,041 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:28" (1/1) ... [2024-12-06 05:21:29,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:21:29,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cb9f17-0df3-417e-976b-5c515a23d07f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:21:29,070 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cb9f17-0df3-417e-976b-5c515a23d07f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:21:29,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cb9f17-0df3-417e-976b-5c515a23d07f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:21:29,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:21:29,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:21:29,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:21:29,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:21:29,515 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:21:29,517 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:21:32,368 INFO L? ?]: Removed 107 outVars from TransFormulas that were not future-live. [2024-12-06 05:21:32,368 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:21:32,433 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:21:32,433 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:21:32,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:21:32 BoogieIcfgContainer [2024-12-06 05:21:32,433 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:21:32,434 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:21:32,434 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:21:32,441 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:21:32,441 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:21:32" (1/1) ... [2024-12-06 05:21:32,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:21:32,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:21:32,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 05:21:32,481 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 05:21:32,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:21:32,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:21:32,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:21:32,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cb9f17-0df3-417e-976b-5c515a23d07f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:21:32,485 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cb9f17-0df3-417e-976b-5c515a23d07f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:21:32,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cb9f17-0df3-417e-976b-5c515a23d07f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:21:33,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:21:33,191 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:21:33,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:21:33,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 05:21:33,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:21:33,472 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 05:21:33,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cb9f17-0df3-417e-976b-5c515a23d07f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:21:33,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:21:33,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 05:21:33,988 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 05:21:33,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:21:33,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:21:33,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:21:33,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cb9f17-0df3-417e-976b-5c515a23d07f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:21:33,991 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cb9f17-0df3-417e-976b-5c515a23d07f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:21:33,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cb9f17-0df3-417e-976b-5c515a23d07f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:21:35,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:21:35,130 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:21:35,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:21:35,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 05:21:35,458 INFO L279 TraceCheckSpWp]: Computing forward predicates...