./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.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_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/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_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/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_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/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 49f2b5018746f423f01dfa37cc63678fae89fe8793b869f3ba4940802558e7f7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:26:13,565 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:26:13,631 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 01:26:13,637 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:26:13,637 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:26:13,659 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:26:13,660 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:26:13,661 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:26:13,661 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:26:13,661 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:26:13,661 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:26:13,661 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:26:13,661 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:26:13,662 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:26:13,662 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:26:13,662 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:26:13,662 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:26:13,662 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:26:13,662 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:26:13,662 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:26:13,662 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:26:13,662 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:26:13,663 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:26:13,663 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:26:13,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:26:13,663 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:26:13,663 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:26:13,663 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:26:13,663 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:26:13,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:26:13,663 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_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/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 -> 49f2b5018746f423f01dfa37cc63678fae89fe8793b869f3ba4940802558e7f7 [2024-12-06 01:26:13,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:26:13,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:26:13,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:26:13,957 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:26:13,957 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:26:13,959 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-func-interl.c [2024-12-06 01:26:16,635 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/bin/ukojak-verify-CZk0znPC7b/data/663495611/06bff21d40dd425f8c0802ee10d61d39/FLAG4dd77ca42 [2024-12-06 01:26:17,009 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:26:17,010 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-func-interl.c [2024-12-06 01:26:17,029 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/bin/ukojak-verify-CZk0znPC7b/data/663495611/06bff21d40dd425f8c0802ee10d61d39/FLAG4dd77ca42 [2024-12-06 01:26:17,046 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/bin/ukojak-verify-CZk0znPC7b/data/663495611/06bff21d40dd425f8c0802ee10d61d39 [2024-12-06 01:26:17,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:26:17,050 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:26:17,052 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:26:17,052 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:26:17,057 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:26:17,058 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:26:17" (1/1) ... [2024-12-06 01:26:17,059 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@91a19b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:17, skipping insertion in model container [2024-12-06 01:26:17,059 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:26:17" (1/1) ... [2024-12-06 01:26:17,118 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:26:17,326 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_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-func-interl.c[1174,1187] [2024-12-06 01:26:17,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:26:17,783 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:26:17,792 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_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-func-interl.c[1174,1187] [2024-12-06 01:26:18,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:26:18,044 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:26:18,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:18 WrapperNode [2024-12-06 01:26:18,044 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:26:18,045 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:26:18,045 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:26:18,045 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:26:18,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:18" (1/1) ... [2024-12-06 01:26:18,110 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:18" (1/1) ... [2024-12-06 01:26:18,873 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 10403 [2024-12-06 01:26:18,873 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:26:18,874 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:26:18,874 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:26:18,874 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:26:18,880 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:18" (1/1) ... [2024-12-06 01:26:18,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:18" (1/1) ... [2024-12-06 01:26:19,036 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:18" (1/1) ... [2024-12-06 01:26:19,036 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:18" (1/1) ... [2024-12-06 01:26:19,366 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:18" (1/1) ... [2024-12-06 01:26:19,389 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:18" (1/1) ... [2024-12-06 01:26:19,469 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:18" (1/1) ... [2024-12-06 01:26:19,510 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:18" (1/1) ... [2024-12-06 01:26:19,538 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:18" (1/1) ... [2024-12-06 01:26:19,742 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:26:19,743 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:26:19,744 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:26:19,744 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:26:19,745 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:18" (1/1) ... [2024-12-06 01:26:19,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:26:19,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:26:19,772 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:26:19,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:26:19,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:26:19,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:26:19,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:26:19,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:26:20,326 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:26:20,328 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:26:34,606 INFO L? ?]: Removed 5604 outVars from TransFormulas that were not future-live. [2024-12-06 01:26:34,606 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:26:50,610 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:26:50,610 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:26:50,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:26:50 BoogieIcfgContainer [2024-12-06 01:26:50,610 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:26:50,611 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:26:50,611 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:26:50,618 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:26:50,618 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:26:50" (1/1) ... [2024-12-06 01:26:50,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:26:50,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:26:50,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 01:26:50,662 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 01:26:50,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:26:50,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:26:50,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:26:51,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:26:52,470 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 01:27:02,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 01:27:12,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 01:27:13,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:27:13,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 01:27:13,239 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 01:27:13,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:27:13,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:27:13,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:30:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:31:04,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:31:04,569 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 01:31:04,575 INFO L158 Benchmark]: Toolchain (without parser) took 287524.51ms. Allocated memory was 117.4MB in the beginning and 5.4GB in the end (delta: 5.3GB). Free memory was 88.9MB in the beginning and 3.3GB in the end (delta: -3.2GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. [2024-12-06 01:31:04,575 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:31:04,575 INFO L158 Benchmark]: CACSL2BoogieTranslator took 992.44ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 43.0MB in the end (delta: 46.0MB). Peak memory consumption was 100.0MB. Max. memory is 16.1GB. [2024-12-06 01:31:04,576 INFO L158 Benchmark]: Boogie Procedure Inliner took 828.34ms. Allocated memory was 117.4MB in the beginning and 268.4MB in the end (delta: 151.0MB). Free memory was 43.0MB in the beginning and 51.2MB in the end (delta: -8.3MB). Peak memory consumption was 219.9MB. Max. memory is 16.1GB. [2024-12-06 01:31:04,577 INFO L158 Benchmark]: Boogie Preprocessor took 868.68ms. Allocated memory was 268.4MB in the beginning and 704.6MB in the end (delta: 436.2MB). Free memory was 51.2MB in the beginning and 438.2MB in the end (delta: -386.9MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2024-12-06 01:31:04,578 INFO L158 Benchmark]: RCFGBuilder took 30867.02ms. Allocated memory was 704.6MB in the beginning and 2.7GB in the end (delta: 2.0GB). Free memory was 438.2MB in the beginning and 1.3GB in the end (delta: -908.4MB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. [2024-12-06 01:31:04,578 INFO L158 Benchmark]: CodeCheck took 253962.85ms. Allocated memory was 2.7GB in the beginning and 5.4GB in the end (delta: 2.7GB). Free memory was 1.3GB in the beginning and 3.3GB in the end (delta: -1.9GB). Peak memory consumption was 761.8MB. Max. memory is 16.1GB. [2024-12-06 01:31:04,581 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 0.35ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 992.44ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 43.0MB in the end (delta: 46.0MB). Peak memory consumption was 100.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 828.34ms. Allocated memory was 117.4MB in the beginning and 268.4MB in the end (delta: 151.0MB). Free memory was 43.0MB in the beginning and 51.2MB in the end (delta: -8.3MB). Peak memory consumption was 219.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 868.68ms. Allocated memory was 268.4MB in the beginning and 704.6MB in the end (delta: 436.2MB). Free memory was 51.2MB in the beginning and 438.2MB in the end (delta: -386.9MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * RCFGBuilder took 30867.02ms. Allocated memory was 704.6MB in the beginning and 2.7GB in the end (delta: 2.0GB). Free memory was 438.2MB in the beginning and 1.3GB in the end (delta: -908.4MB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. * CodeCheck took 253962.85ms. Allocated memory was 2.7GB in the beginning and 5.4GB in the end (delta: 2.7GB). Free memory was 1.3GB in the beginning and 3.3GB in the end (delta: -1.9GB). Peak memory consumption was 761.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 01:31:04,792 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 01:31:04,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/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_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/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_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/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_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/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 49f2b5018746f423f01dfa37cc63678fae89fe8793b869f3ba4940802558e7f7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:31:06,959 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:31:07,043 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 01:31:07,068 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:31:07,069 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:31:07,069 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:31:07,070 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:31:07,070 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:31:07,070 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:31:07,070 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:31:07,070 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:31:07,070 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:31:07,071 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:31:07,071 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:31:07,071 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:31:07,071 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:31:07,071 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:31:07,071 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:31:07,071 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:31:07,071 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:31:07,071 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:31:07,071 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:31:07,072 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:31:07,072 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:31:07,072 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:31:07,072 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:31:07,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:31:07,072 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:31:07,072 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:31:07,072 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:31:07,072 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:31:07,072 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:31:07,072 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:31:07,073 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_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/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 -> 49f2b5018746f423f01dfa37cc63678fae89fe8793b869f3ba4940802558e7f7 [2024-12-06 01:31:07,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:31:07,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:31:07,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:31:07,352 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:31:07,353 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:31:07,354 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-func-interl.c [2024-12-06 01:31:10,242 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/bin/ukojak-verify-CZk0znPC7b/data/3067d52bb/f9d0da6d6a05499aae48549793ecd132/FLAGedeff7b42 [2024-12-06 01:31:10,528 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:31:10,529 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-func-interl.c [2024-12-06 01:31:10,545 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/bin/ukojak-verify-CZk0znPC7b/data/3067d52bb/f9d0da6d6a05499aae48549793ecd132/FLAGedeff7b42 [2024-12-06 01:31:10,559 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/bin/ukojak-verify-CZk0znPC7b/data/3067d52bb/f9d0da6d6a05499aae48549793ecd132 [2024-12-06 01:31:10,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:31:10,562 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:31:10,563 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:31:10,564 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:31:10,568 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:31:10,568 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:31:10" (1/1) ... [2024-12-06 01:31:10,569 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13e3291b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:10, skipping insertion in model container [2024-12-06 01:31:10,569 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:31:10" (1/1) ... [2024-12-06 01:31:10,619 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:31:10,785 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_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-func-interl.c[1174,1187] [2024-12-06 01:31:11,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:31:11,096 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:31:11,107 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_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-func-interl.c[1174,1187] [2024-12-06 01:31:11,255 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:31:11,269 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:31:11,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:11 WrapperNode [2024-12-06 01:31:11,269 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:31:11,270 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:31:11,270 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:31:11,270 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:31:11,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:11" (1/1) ... [2024-12-06 01:31:11,314 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:11" (1/1) ... [2024-12-06 01:31:11,426 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2787 [2024-12-06 01:31:11,427 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:31:11,427 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:31:11,427 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:31:11,427 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:31:11,435 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:11" (1/1) ... [2024-12-06 01:31:11,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:11" (1/1) ... [2024-12-06 01:31:11,453 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:11" (1/1) ... [2024-12-06 01:31:11,453 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:11" (1/1) ... [2024-12-06 01:31:11,501 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:11" (1/1) ... [2024-12-06 01:31:11,505 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:11" (1/1) ... [2024-12-06 01:31:11,511 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:11" (1/1) ... [2024-12-06 01:31:11,521 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:11" (1/1) ... [2024-12-06 01:31:11,531 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:11" (1/1) ... [2024-12-06 01:31:11,547 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:31:11,548 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:31:11,548 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:31:11,548 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:31:11,549 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:11" (1/1) ... [2024-12-06 01:31:11,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:31:11,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:31:11,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:31:11,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:31:11,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:31:11,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:31:11,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:31:11,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:31:12,064 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:31:12,066 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:31:17,283 INFO L? ?]: Removed 109 outVars from TransFormulas that were not future-live. [2024-12-06 01:31:17,283 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:31:17,378 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:31:17,378 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:31:17,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:31:17 BoogieIcfgContainer [2024-12-06 01:31:17,379 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:31:17,380 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:31:17,380 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:31:17,389 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:31:17,389 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:31:17" (1/1) ... [2024-12-06 01:31:17,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:31:17,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:31:17,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 01:31:17,455 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 01:31:17,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:31:17,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:31:17,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:31:17,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:31:17,460 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:31:17,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:31:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:18,313 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:31:18,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:18,509 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 01:31:18,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:31:18,684 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 01:31:18,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:31:22,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:31:23,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:31:23,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 01:31:23,109 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 01:31:23,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:31:23,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:31:23,110 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:31:23,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:31:23,112 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:31:23,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b9fa6d-37d9-4700-b212-f4e3cf7361d4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:31:25,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:25,153 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:31:25,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:25,695 INFO L256 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 01:31:25,718 INFO L279 TraceCheckSpWp]: Computing forward predicates...