./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.client_server.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_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/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_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.client_server.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/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_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/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 9ed0841be1ae1dee8e84f0ca737866704342db1241d2484eefbe911736856543 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:53:11,915 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:53:11,973 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 05:53:11,977 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:53:11,977 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:53:11,996 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:53:11,997 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:53:11,997 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:53:11,998 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:53:11,998 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:53:11,998 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:53:11,998 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:53:11,998 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:53:11,999 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:53:11,999 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:53:11,999 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:53:11,999 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:53:11,999 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:53:11,999 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:53:11,999 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:53:11,999 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:53:11,999 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:53:11,999 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:53:11,999 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:53:12,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:53:12,000 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:53:12,000 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:53:12,000 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:53:12,000 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:53:12,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:53:12,000 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_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/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 -> 9ed0841be1ae1dee8e84f0ca737866704342db1241d2484eefbe911736856543 [2024-12-06 05:53:12,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:53:12,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:53:12,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:53:12,215 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:53:12,215 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:53:12,217 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.client_server.c [2024-12-06 05:53:14,887 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/bin/ukojak-verify-CZk0znPC7b/data/947eaaf56/271355897a0e497d92ac606c9d6fd850/FLAG04c87b829 [2024-12-06 05:53:15,107 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:53:15,107 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.client_server.c [2024-12-06 05:53:15,115 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/bin/ukojak-verify-CZk0znPC7b/data/947eaaf56/271355897a0e497d92ac606c9d6fd850/FLAG04c87b829 [2024-12-06 05:53:15,128 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/bin/ukojak-verify-CZk0znPC7b/data/947eaaf56/271355897a0e497d92ac606c9d6fd850 [2024-12-06 05:53:15,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:53:15,131 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:53:15,132 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:53:15,132 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:53:15,135 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:53:15,136 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:53:15" (1/1) ... [2024-12-06 05:53:15,137 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3759270d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:15, skipping insertion in model container [2024-12-06 05:53:15,137 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:53:15" (1/1) ... [2024-12-06 05:53:15,159 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:53:15,272 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_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.client_server.c[1253,1266] [2024-12-06 05:53:15,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:53:15,398 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:53:15,405 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_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.client_server.c[1253,1266] [2024-12-06 05:53:15,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:53:15,484 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:53:15,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:15 WrapperNode [2024-12-06 05:53:15,485 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:53:15,485 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:53:15,486 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:53:15,486 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:53:15,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:15" (1/1) ... [2024-12-06 05:53:15,507 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:15" (1/1) ... [2024-12-06 05:53:15,576 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 860 [2024-12-06 05:53:15,576 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:53:15,577 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:53:15,577 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:53:15,577 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:53:15,582 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:15" (1/1) ... [2024-12-06 05:53:15,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:15" (1/1) ... [2024-12-06 05:53:15,595 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:15" (1/1) ... [2024-12-06 05:53:15,595 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:15" (1/1) ... [2024-12-06 05:53:15,622 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:15" (1/1) ... [2024-12-06 05:53:15,628 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:15" (1/1) ... [2024-12-06 05:53:15,633 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:15" (1/1) ... [2024-12-06 05:53:15,647 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:15" (1/1) ... [2024-12-06 05:53:15,651 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:15" (1/1) ... [2024-12-06 05:53:15,666 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:53:15,666 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:53:15,667 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:53:15,667 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:53:15,668 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:15" (1/1) ... [2024-12-06 05:53:15,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:53:15,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:53:15,690 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:53:15,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:53:15,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:53:15,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:53:15,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:53:15,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:53:15,860 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:53:15,862 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:53:16,805 INFO L? ?]: Removed 563 outVars from TransFormulas that were not future-live. [2024-12-06 05:53:16,805 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:53:17,948 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:53:17,948 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:53:17,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:53:17 BoogieIcfgContainer [2024-12-06 05:53:17,948 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:53:17,949 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:53:17,949 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:53:17,961 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:53:17,961 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:53:17" (1/1) ... [2024-12-06 05:53:17,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:53:18,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:53:18,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 05:53:18,021 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 05:53:18,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:53:18,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:53:18,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:53:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:53:20,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:53:22,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:53:22,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:53:22,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 05:53:22,443 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 05:53:22,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:53:22,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:53:22,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:53:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:53:33,250 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:53:38,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:53:38,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-12-06 05:53:38,814 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-12-06 05:53:38,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 05:53:38,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:53:38,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:53:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:12,542 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:54:18,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:54:23,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:54:23,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:23,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 15 states and 25 transitions. [2024-12-06 05:54:23,734 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 25 transitions. [2024-12-06 05:54:23,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 05:54:23,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:23,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:54:26,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:51,130 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:55:04,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:55:04,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:55:04,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 18 states and 37 transitions. [2024-12-06 05:55:04,234 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 37 transitions. [2024-12-06 05:55:04,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 05:55:04,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:55:04,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:55:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:55:09,646 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:55:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:55:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:55:21,733 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:55:31,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:55:31,966 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 05:55:31,969 INFO L158 Benchmark]: Toolchain (without parser) took 136838.36ms. Allocated memory was 142.6MB in the beginning and 1.0GB in the end (delta: 880.8MB). Free memory was 118.2MB in the beginning and 381.2MB in the end (delta: -262.9MB). Peak memory consumption was 616.9MB. Max. memory is 16.1GB. [2024-12-06 05:55:31,970 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:55:31,970 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.91ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 94.0MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 05:55:31,971 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.89ms. Allocated memory is still 142.6MB. Free memory was 94.0MB in the beginning and 75.1MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:55:31,971 INFO L158 Benchmark]: Boogie Preprocessor took 89.16ms. Allocated memory is still 142.6MB. Free memory was 75.1MB in the beginning and 68.1MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:55:31,972 INFO L158 Benchmark]: RCFGBuilder took 2282.04ms. Allocated memory was 142.6MB in the beginning and 394.3MB in the end (delta: 251.7MB). Free memory was 68.0MB in the beginning and 139.4MB in the end (delta: -71.4MB). Peak memory consumption was 180.9MB. Max. memory is 16.1GB. [2024-12-06 05:55:31,972 INFO L158 Benchmark]: CodeCheck took 134019.55ms. Allocated memory was 394.3MB in the beginning and 1.0GB in the end (delta: 629.1MB). Free memory was 139.4MB in the beginning and 381.2MB in the end (delta: -241.8MB). Peak memory consumption was 389.3MB. Max. memory is 16.1GB. [2024-12-06 05:55:31,974 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.91ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 94.0MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.89ms. Allocated memory is still 142.6MB. Free memory was 94.0MB in the beginning and 75.1MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.16ms. Allocated memory is still 142.6MB. Free memory was 75.1MB in the beginning and 68.1MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2282.04ms. Allocated memory was 142.6MB in the beginning and 394.3MB in the end (delta: 251.7MB). Free memory was 68.0MB in the beginning and 139.4MB in the end (delta: -71.4MB). Peak memory consumption was 180.9MB. Max. memory is 16.1GB. * CodeCheck took 134019.55ms. Allocated memory was 394.3MB in the beginning and 1.0GB in the end (delta: 629.1MB). Free memory was 139.4MB in the beginning and 381.2MB in the end (delta: -241.8MB). Peak memory consumption was 389.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 05:55:31,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/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_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.client_server.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/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_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/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 9ed0841be1ae1dee8e84f0ca737866704342db1241d2484eefbe911736856543 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:55:33,893 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:55:33,976 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 05:55:34,000 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:55:34,000 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:55:34,001 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:55:34,001 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:55:34,001 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:55:34,001 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:55:34,001 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:55:34,002 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:55:34,002 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:55:34,002 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:55:34,002 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:55:34,002 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:55:34,002 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:55:34,002 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:55:34,002 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:55:34,002 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:55:34,002 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:55:34,003 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:55:34,003 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:55:34,003 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:55:34,003 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:55:34,003 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:55:34,003 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:55:34,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:55:34,004 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:55:34,004 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:55:34,004 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:55:34,004 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:55:34,004 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:55:34,004 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:55:34,004 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_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/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 -> 9ed0841be1ae1dee8e84f0ca737866704342db1241d2484eefbe911736856543 [2024-12-06 05:55:34,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:55:34,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:55:34,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:55:34,232 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:55:34,232 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:55:34,233 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.client_server.c [2024-12-06 05:55:36,988 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/bin/ukojak-verify-CZk0znPC7b/data/8d482bdee/7ec4987fe6a14e82b84054a514b3c818/FLAGd96d347f7 [2024-12-06 05:55:37,216 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:55:37,217 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.client_server.c [2024-12-06 05:55:37,225 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/bin/ukojak-verify-CZk0znPC7b/data/8d482bdee/7ec4987fe6a14e82b84054a514b3c818/FLAGd96d347f7 [2024-12-06 05:55:37,235 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/bin/ukojak-verify-CZk0znPC7b/data/8d482bdee/7ec4987fe6a14e82b84054a514b3c818 [2024-12-06 05:55:37,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:55:37,238 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:55:37,239 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:55:37,239 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:55:37,244 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:55:37,244 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:55:37" (1/1) ... [2024-12-06 05:55:37,245 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@785434d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:55:37, skipping insertion in model container [2024-12-06 05:55:37,245 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:55:37" (1/1) ... [2024-12-06 05:55:37,272 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:55:37,412 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_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.client_server.c[1253,1266] [2024-12-06 05:55:37,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:55:37,521 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:55:37,529 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_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.client_server.c[1253,1266] [2024-12-06 05:55:37,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:55:37,600 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:55:37,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:55:37 WrapperNode [2024-12-06 05:55:37,601 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:55:37,601 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:55:37,601 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:55:37,601 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:55:37,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:55:37" (1/1) ... [2024-12-06 05:55:37,616 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:55:37" (1/1) ... [2024-12-06 05:55:37,644 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 460 [2024-12-06 05:55:37,644 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:55:37,645 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:55:37,645 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:55:37,645 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:55:37,650 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:55:37" (1/1) ... [2024-12-06 05:55:37,650 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:55:37" (1/1) ... [2024-12-06 05:55:37,655 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:55:37" (1/1) ... [2024-12-06 05:55:37,655 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:55:37" (1/1) ... [2024-12-06 05:55:37,668 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:55:37" (1/1) ... [2024-12-06 05:55:37,670 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:55:37" (1/1) ... [2024-12-06 05:55:37,673 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:55:37" (1/1) ... [2024-12-06 05:55:37,675 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:55:37" (1/1) ... [2024-12-06 05:55:37,677 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:55:37" (1/1) ... [2024-12-06 05:55:37,681 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:55:37,682 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:55:37,682 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:55:37,682 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:55:37,683 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:55:37" (1/1) ... [2024-12-06 05:55:37,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:55:37,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:55:37,723 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:55:37,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:55:37,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:55:37,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:55:37,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:55:37,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:55:37,887 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:55:37,889 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:55:38,278 INFO L? ?]: Removed 214 outVars from TransFormulas that were not future-live. [2024-12-06 05:55:38,278 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:55:38,300 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:55:38,300 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:55:38,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:55:38 BoogieIcfgContainer [2024-12-06 05:55:38,300 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:55:38,301 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:55:38,301 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:55:38,308 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:55:38,309 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:55:38" (1/1) ... [2024-12-06 05:55:38,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:55:38,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:55:38,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 05:55:38,353 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 05:55:38,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:55:38,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:55:38,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:55:38,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:55:38,357 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:55:38,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:55:38,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:55:38,669 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:55:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:55:38,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 90 conjuncts are in the unsatisfiable core [2024-12-06 05:55:38,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:55:40,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:55:40,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:55:40,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:55:40,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 05:55:40,138 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 05:55:40,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:55:40,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:55:40,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:55:40,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:55:40,141 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:55:40,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78f5ee2-e5fa-441c-8ce9-ddb8a1f0088d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:55:40,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:55:40,660 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:55:40,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:55:40,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 141 conjuncts are in the unsatisfiable core [2024-12-06 05:55:40,935 INFO L279 TraceCheckSpWp]: Computing forward predicates...