./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-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_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/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_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/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_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/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 1ca744a98d89127fd594f2c9e32d933fe8936ce1371a634121bc3c795b15a24f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:44:21,456 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:44:21,512 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 22:44:21,516 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:44:21,517 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:44:21,536 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:44:21,537 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:44:21,537 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:44:21,538 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:44:21,538 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:44:21,538 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:44:21,538 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:44:21,538 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:44:21,538 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:44:21,538 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:44:21,538 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:44:21,539 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:44:21,539 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:44:21,539 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:44:21,539 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:44:21,539 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:44:21,539 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:44:21,539 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:44:21,539 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:44:21,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:44:21,539 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:44:21,539 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:44:21,540 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:44:21,540 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:44:21,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:44:21,540 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_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/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 -> 1ca744a98d89127fd594f2c9e32d933fe8936ce1371a634121bc3c795b15a24f [2024-12-05 22:44:21,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:44:21,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:44:21,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:44:21,808 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:44:21,808 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:44:21,809 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-func-interl.c [2024-12-05 22:44:24,435 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/bin/ukojak-verify-CZk0znPC7b/data/357f89146/b9aad6711e79409992bb7f828a4f052e/FLAG9a3d734a1 [2024-12-05 22:44:24,763 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:44:24,764 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-func-interl.c [2024-12-05 22:44:24,780 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/bin/ukojak-verify-CZk0znPC7b/data/357f89146/b9aad6711e79409992bb7f828a4f052e/FLAG9a3d734a1 [2024-12-05 22:44:25,003 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/bin/ukojak-verify-CZk0znPC7b/data/357f89146/b9aad6711e79409992bb7f828a4f052e [2024-12-05 22:44:25,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:44:25,007 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:44:25,008 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:44:25,008 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:44:25,012 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:44:25,013 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:44:25" (1/1) ... [2024-12-05 22:44:25,013 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5197c0de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:25, skipping insertion in model container [2024-12-05 22:44:25,014 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:44:25" (1/1) ... [2024-12-05 22:44:25,065 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:44:25,238 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_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-func-interl.c[1174,1187] [2024-12-05 22:44:25,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:44:25,586 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:44:25,593 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_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-func-interl.c[1174,1187] [2024-12-05 22:44:25,813 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:44:25,826 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:44:25,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:25 WrapperNode [2024-12-05 22:44:25,827 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:44:25,828 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:44:25,828 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:44:25,828 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:44:25,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:25" (1/1) ... [2024-12-05 22:44:25,894 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:25" (1/1) ... [2024-12-05 22:44:26,661 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 10415 [2024-12-05 22:44:26,661 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:44:26,662 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:44:26,662 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:44:26,662 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:44:26,669 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:25" (1/1) ... [2024-12-05 22:44:26,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:25" (1/1) ... [2024-12-05 22:44:26,836 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:25" (1/1) ... [2024-12-05 22:44:26,837 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:25" (1/1) ... [2024-12-05 22:44:27,087 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:25" (1/1) ... [2024-12-05 22:44:27,138 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:25" (1/1) ... [2024-12-05 22:44:27,194 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:25" (1/1) ... [2024-12-05 22:44:27,236 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:25" (1/1) ... [2024-12-05 22:44:27,259 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:25" (1/1) ... [2024-12-05 22:44:27,462 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:44:27,464 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:44:27,464 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:44:27,466 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:44:27,467 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:25" (1/1) ... [2024-12-05 22:44:27,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:44:27,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:44:27,522 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:44:27,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:44:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:44:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:44:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:44:27,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:44:28,054 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:44:28,056 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:44:40,485 INFO L? ?]: Removed 5610 outVars from TransFormulas that were not future-live. [2024-12-05 22:44:40,486 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:44:56,644 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:44:56,644 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:44:56,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:44:56 BoogieIcfgContainer [2024-12-05 22:44:56,644 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:44:56,645 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:44:56,645 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:44:56,652 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:44:56,652 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:44:56" (1/1) ... [2024-12-05 22:44:56,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:44:56,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:56,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 22:44:56,698 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 22:44:56,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:44:56,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:56,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:44:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:58,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:45:08,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 22:45:18,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 22:45:19,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:19,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-05 22:45:19,349 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-05 22:45:19,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:45:19,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:19,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:48:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:48:30,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:48:30,602 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) [2024-12-05 22:48:30,606 INFO L158 Benchmark]: Toolchain (without parser) took 245599.38ms. Allocated memory was 142.6MB in the beginning and 5.2GB in the end (delta: 5.1GB). Free memory was 114.6MB in the beginning and 3.8GB in the end (delta: -3.7GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-12-05 22:48:30,607 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:48:30,607 INFO L158 Benchmark]: CACSL2BoogieTranslator took 819.37ms. Allocated memory is still 142.6MB. Free memory was 114.4MB in the beginning and 65.3MB in the end (delta: 49.2MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. [2024-12-05 22:48:30,607 INFO L158 Benchmark]: Boogie Procedure Inliner took 833.90ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 65.3MB in the beginning and 203.8MB in the end (delta: -138.5MB). Peak memory consumption was 304.2MB. Max. memory is 16.1GB. [2024-12-05 22:48:30,608 INFO L158 Benchmark]: Boogie Preprocessor took 800.10ms. Allocated memory was 427.8MB in the beginning and 813.7MB in the end (delta: 385.9MB). Free memory was 203.8MB in the beginning and 542.3MB in the end (delta: -338.5MB). Peak memory consumption was 88.2MB. Max. memory is 16.1GB. [2024-12-05 22:48:30,609 INFO L158 Benchmark]: RCFGBuilder took 29179.97ms. Allocated memory was 813.7MB in the beginning and 2.4GB in the end (delta: 1.6GB). Free memory was 542.3MB in the beginning and 1.2GB in the end (delta: -692.7MB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2024-12-05 22:48:30,609 INFO L158 Benchmark]: CodeCheck took 213960.39ms. Allocated memory was 2.4GB in the beginning and 5.2GB in the end (delta: 2.8GB). Free memory was 1.2GB in the beginning and 3.8GB in the end (delta: -2.6GB). Peak memory consumption was 227.6MB. Max. memory is 16.1GB. [2024-12-05 22:48:30,612 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 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 819.37ms. Allocated memory is still 142.6MB. Free memory was 114.4MB in the beginning and 65.3MB in the end (delta: 49.2MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 833.90ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 65.3MB in the beginning and 203.8MB in the end (delta: -138.5MB). Peak memory consumption was 304.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 800.10ms. Allocated memory was 427.8MB in the beginning and 813.7MB in the end (delta: 385.9MB). Free memory was 203.8MB in the beginning and 542.3MB in the end (delta: -338.5MB). Peak memory consumption was 88.2MB. Max. memory is 16.1GB. * RCFGBuilder took 29179.97ms. Allocated memory was 813.7MB in the beginning and 2.4GB in the end (delta: 1.6GB). Free memory was 542.3MB in the beginning and 1.2GB in the end (delta: -692.7MB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. * CodeCheck took 213960.39ms. Allocated memory was 2.4GB in the beginning and 5.2GB in the end (delta: 2.8GB). Free memory was 1.2GB in the beginning and 3.8GB in the end (delta: -2.6GB). Peak memory consumption was 227.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 22:48:30,820 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-05 22:48:30,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/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_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/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_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/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_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/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 1ca744a98d89127fd594f2c9e32d933fe8936ce1371a634121bc3c795b15a24f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:48:32,810 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:48:32,896 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-05 22:48:32,920 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:48:32,921 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:48:32,921 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:48:32,921 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:48:32,922 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:48:32,922 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:48:32,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:48:32,922 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:48:32,922 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:48:32,922 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:48:32,922 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:48:32,922 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:48:32,922 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:48:32,923 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:48:32,923 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:48:32,923 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:48:32,923 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:48:32,923 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:48:32,923 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:48:32,923 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:48:32,923 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:48:32,923 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:48:32,924 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:48:32,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:48:32,924 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:48:32,924 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:48:32,924 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:48:32,924 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:48:32,924 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:48:32,924 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:48:32,924 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_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/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 -> 1ca744a98d89127fd594f2c9e32d933fe8936ce1371a634121bc3c795b15a24f [2024-12-05 22:48:33,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:48:33,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:48:33,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:48:33,156 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:48:33,156 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:48:33,157 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-func-interl.c [2024-12-05 22:48:35,790 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/bin/ukojak-verify-CZk0znPC7b/data/e3f01056a/65ec3c2ff9ad46caa6208b718bf94efa/FLAG58205a40e [2024-12-05 22:48:36,116 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:48:36,117 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-func-interl.c [2024-12-05 22:48:36,133 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/bin/ukojak-verify-CZk0znPC7b/data/e3f01056a/65ec3c2ff9ad46caa6208b718bf94efa/FLAG58205a40e [2024-12-05 22:48:36,361 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/bin/ukojak-verify-CZk0znPC7b/data/e3f01056a/65ec3c2ff9ad46caa6208b718bf94efa [2024-12-05 22:48:36,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:48:36,364 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:48:36,365 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:48:36,365 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:48:36,368 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:48:36,368 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:48:36" (1/1) ... [2024-12-05 22:48:36,369 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16b0da8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:48:36, skipping insertion in model container [2024-12-05 22:48:36,369 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:48:36" (1/1) ... [2024-12-05 22:48:36,412 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:48:36,564 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_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-func-interl.c[1174,1187] [2024-12-05 22:48:36,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:48:36,859 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:48:36,868 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_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-func-interl.c[1174,1187] [2024-12-05 22:48:37,013 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:48:37,026 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:48:37,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:48:37 WrapperNode [2024-12-05 22:48:37,027 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:48:37,028 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:48:37,028 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:48:37,028 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:48:37,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:48:37" (1/1) ... [2024-12-05 22:48:37,068 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:48:37" (1/1) ... [2024-12-05 22:48:37,175 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2791 [2024-12-05 22:48:37,175 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:48:37,176 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:48:37,176 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:48:37,176 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:48:37,183 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:48:37" (1/1) ... [2024-12-05 22:48:37,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:48:37" (1/1) ... [2024-12-05 22:48:37,199 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:48:37" (1/1) ... [2024-12-05 22:48:37,199 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:48:37" (1/1) ... [2024-12-05 22:48:37,255 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:48:37" (1/1) ... [2024-12-05 22:48:37,259 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:48:37" (1/1) ... [2024-12-05 22:48:37,264 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:48:37" (1/1) ... [2024-12-05 22:48:37,272 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:48:37" (1/1) ... [2024-12-05 22:48:37,281 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:48:37" (1/1) ... [2024-12-05 22:48:37,296 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:48:37,297 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:48:37,297 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:48:37,297 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:48:37,298 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:48:37" (1/1) ... [2024-12-05 22:48:37,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:48:37,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:48:37,333 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:48:37,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:48:37,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:48:37,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:48:37,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:48:37,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:48:37,813 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:48:37,815 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:48:42,448 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2024-12-05 22:48:42,448 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:48:42,541 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:48:42,542 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:48:42,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:48:42 BoogieIcfgContainer [2024-12-05 22:48:42,542 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:48:42,543 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:48:42,543 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:48:42,552 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:48:42,552 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:48:42" (1/1) ... [2024-12-05 22:48:42,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:48:42,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:48:42,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 22:48:42,612 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 22:48:42,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:48:42,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:48:42,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:48:42,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:48:42,617 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:48:42,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:48:43,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:43,414 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:48:43,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:43,601 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:48:43,610 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:48:43,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:48:43,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:48:45,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:48:46,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:48:46,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 22:48:46,162 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 22:48:46,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:48:46,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:48:46,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:48:46,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:48:46,164 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:48:46,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4b3ee2-1d10-41d5-aa2a-d789f2c8be43/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 22:48:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:48,036 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:48:48,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:48,507 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-05 22:48:48,526 INFO L279 TraceCheckSpWp]: Computing forward predicates...