./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.3.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d862c9-50a7-4eec-b16e-ae229e54571f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d862c9-50a7-4eec-b16e-ae229e54571f/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_f2d862c9-50a7-4eec-b16e-ae229e54571f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d862c9-50a7-4eec-b16e-ae229e54571f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d862c9-50a7-4eec-b16e-ae229e54571f/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_f2d862c9-50a7-4eec-b16e-ae229e54571f/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 8a23f808268ae24efff72c12d822f748b1749ed72e0a64bacb54e47761848513 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:27:39,730 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:27:39,781 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d862c9-50a7-4eec-b16e-ae229e54571f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 00:27:39,785 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:27:39,786 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:27:39,804 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:27:39,804 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:27:39,804 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:27:39,805 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:27:39,805 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:27:39,805 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:27:39,805 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:27:39,805 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:27:39,805 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:27:39,805 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:27:39,805 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:27:39,806 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:27:39,806 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:27:39,806 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:27:39,806 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:27:39,806 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:27:39,806 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:27:39,806 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:27:39,806 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:27:39,806 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:27:39,806 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:27:39,807 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:27:39,807 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:27:39,807 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:27:39,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:27:39,807 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_f2d862c9-50a7-4eec-b16e-ae229e54571f/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 -> 8a23f808268ae24efff72c12d822f748b1749ed72e0a64bacb54e47761848513 [2024-12-06 00:27:40,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:27:40,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:27:40,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:27:40,042 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:27:40,042 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:27:40,043 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d862c9-50a7-4eec-b16e-ae229e54571f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.3.prop1-back-serstep.c [2024-12-06 00:27:42,708 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d862c9-50a7-4eec-b16e-ae229e54571f/bin/ukojak-verify-CZk0znPC7b/data/ff005ddd7/c0c83d062207491f8507dda92dbbfc86/FLAG5763a1458 [2024-12-06 00:27:42,988 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:27:42,989 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d862c9-50a7-4eec-b16e-ae229e54571f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.3.prop1-back-serstep.c [2024-12-06 00:27:43,008 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d862c9-50a7-4eec-b16e-ae229e54571f/bin/ukojak-verify-CZk0znPC7b/data/ff005ddd7/c0c83d062207491f8507dda92dbbfc86/FLAG5763a1458 [2024-12-06 00:27:43,022 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d862c9-50a7-4eec-b16e-ae229e54571f/bin/ukojak-verify-CZk0znPC7b/data/ff005ddd7/c0c83d062207491f8507dda92dbbfc86 [2024-12-06 00:27:43,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:27:43,025 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:27:43,027 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:27:43,027 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:27:43,031 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:27:43,032 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:27:43" (1/1) ... [2024-12-06 00:27:43,032 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@108efa0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:43, skipping insertion in model container [2024-12-06 00:27:43,033 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:27:43" (1/1) ... [2024-12-06 00:27:43,078 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:27:43,246 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_f2d862c9-50a7-4eec-b16e-ae229e54571f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.3.prop1-back-serstep.c[1175,1188] [2024-12-06 00:27:43,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:27:43,598 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:27:43,607 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_f2d862c9-50a7-4eec-b16e-ae229e54571f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.3.prop1-back-serstep.c[1175,1188] [2024-12-06 00:27:43,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:27:43,855 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:27:43,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:43 WrapperNode [2024-12-06 00:27:43,856 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:27:43,856 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:27:43,856 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:27:43,856 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:27:43,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:43" (1/1) ... [2024-12-06 00:27:43,913 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:43" (1/1) ... [2024-12-06 00:27:44,620 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8820 [2024-12-06 00:27:44,621 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:27:44,621 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:27:44,621 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:27:44,621 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:27:44,629 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:43" (1/1) ... [2024-12-06 00:27:44,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:43" (1/1) ... [2024-12-06 00:27:44,814 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:43" (1/1) ... [2024-12-06 00:27:44,814 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:43" (1/1) ... [2024-12-06 00:27:45,176 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:43" (1/1) ... [2024-12-06 00:27:45,223 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:43" (1/1) ... [2024-12-06 00:27:45,256 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:43" (1/1) ... [2024-12-06 00:27:45,298 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:43" (1/1) ... [2024-12-06 00:27:45,325 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:43" (1/1) ... [2024-12-06 00:27:45,443 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:27:45,444 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:27:45,444 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:27:45,444 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:27:45,445 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:43" (1/1) ... [2024-12-06 00:27:45,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:27:45,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d862c9-50a7-4eec-b16e-ae229e54571f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:27:45,468 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d862c9-50a7-4eec-b16e-ae229e54571f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:27:45,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d862c9-50a7-4eec-b16e-ae229e54571f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:27:45,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:27:45,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:27:45,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:27:45,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:27:45,947 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:27:45,949 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:27:56,802 INFO L? ?]: Removed 4815 outVars from TransFormulas that were not future-live. [2024-12-06 00:27:56,802 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:28:07,626 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:28:07,626 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:28:07,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:28:07 BoogieIcfgContainer [2024-12-06 00:28:07,626 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:28:07,627 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:28:07,628 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:28:07,637 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:28:07,637 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:28:07" (1/1) ... [2024-12-06 00:28:07,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:28:07,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:28:07,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:28:07,690 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:28:07,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:28:07,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:28:07,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:28:09,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:28:14,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:28:24,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:28:34,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:28:37,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:28:47,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:28:47,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:28:47,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 00:28:47,727 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 00:28:47,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:28:47,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:28:47,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:31:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:31:28,962 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:34:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:34:25,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:34:25,215 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 00:34:25,220 INFO L158 Benchmark]: Toolchain (without parser) took 402194.28ms. Allocated memory was 117.4MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 88.8MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-12-06 00:34:25,221 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 72.0MB in the end (delta: 86.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:34:25,222 INFO L158 Benchmark]: CACSL2BoogieTranslator took 829.12ms. Allocated memory was 117.4MB in the beginning and 226.5MB in the end (delta: 109.1MB). Free memory was 88.6MB in the beginning and 139.6MB in the end (delta: -51.0MB). Peak memory consumption was 85.7MB. Max. memory is 16.1GB. [2024-12-06 00:34:25,222 INFO L158 Benchmark]: Boogie Procedure Inliner took 764.41ms. Allocated memory was 226.5MB in the beginning and 679.5MB in the end (delta: 453.0MB). Free memory was 139.6MB in the beginning and 469.5MB in the end (delta: -329.8MB). Peak memory consumption was 187.7MB. Max. memory is 16.1GB. [2024-12-06 00:34:25,223 INFO L158 Benchmark]: Boogie Preprocessor took 821.55ms. Allocated memory was 679.5MB in the beginning and 645.9MB in the end (delta: -33.6MB). Free memory was 469.5MB in the beginning and 403.3MB in the end (delta: 66.2MB). Peak memory consumption was 74.3MB. Max. memory is 16.1GB. [2024-12-06 00:34:25,224 INFO L158 Benchmark]: RCFGBuilder took 22182.92ms. Allocated memory was 645.9MB in the beginning and 1.4GB in the end (delta: 755.0MB). Free memory was 403.3MB in the beginning and 492.0MB in the end (delta: -88.6MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-12-06 00:34:25,224 INFO L158 Benchmark]: CodeCheck took 377591.44ms. Allocated memory was 1.4GB in the beginning and 2.2GB in the end (delta: 755.0MB). Free memory was 492.0MB in the beginning and 1.1GB in the end (delta: -623.5MB). Peak memory consumption was 131.3MB. Max. memory is 16.1GB. [2024-12-06 00:34:25,228 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 117.4MB. Free memory was 72.1MB in the beginning and 72.0MB in the end (delta: 86.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 829.12ms. Allocated memory was 117.4MB in the beginning and 226.5MB in the end (delta: 109.1MB). Free memory was 88.6MB in the beginning and 139.6MB in the end (delta: -51.0MB). Peak memory consumption was 85.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 764.41ms. Allocated memory was 226.5MB in the beginning and 679.5MB in the end (delta: 453.0MB). Free memory was 139.6MB in the beginning and 469.5MB in the end (delta: -329.8MB). Peak memory consumption was 187.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 821.55ms. Allocated memory was 679.5MB in the beginning and 645.9MB in the end (delta: -33.6MB). Free memory was 469.5MB in the beginning and 403.3MB in the end (delta: 66.2MB). Peak memory consumption was 74.3MB. Max. memory is 16.1GB. * RCFGBuilder took 22182.92ms. Allocated memory was 645.9MB in the beginning and 1.4GB in the end (delta: 755.0MB). Free memory was 403.3MB in the beginning and 492.0MB in the end (delta: -88.6MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * CodeCheck took 377591.44ms. Allocated memory was 1.4GB in the beginning and 2.2GB in the end (delta: 755.0MB). Free memory was 492.0MB in the beginning and 1.1GB in the end (delta: -623.5MB). Peak memory consumption was 131.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:34:25,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d862c9-50a7-4eec-b16e-ae229e54571f/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_f2d862c9-50a7-4eec-b16e-ae229e54571f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d862c9-50a7-4eec-b16e-ae229e54571f/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_f2d862c9-50a7-4eec-b16e-ae229e54571f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d862c9-50a7-4eec-b16e-ae229e54571f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d862c9-50a7-4eec-b16e-ae229e54571f/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_f2d862c9-50a7-4eec-b16e-ae229e54571f/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 8a23f808268ae24efff72c12d822f748b1749ed72e0a64bacb54e47761848513 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:34:27,288 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:34:27,395 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d862c9-50a7-4eec-b16e-ae229e54571f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 00:34:27,420 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:34:27,420 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:34:27,421 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:34:27,421 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:34:27,421 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:34:27,421 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:34:27,421 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:34:27,422 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:34:27,422 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:34:27,422 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:34:27,422 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:34:27,422 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:34:27,422 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:34:27,422 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:34:27,422 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:34:27,422 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:34:27,422 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:34:27,423 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:34:27,423 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:34:27,423 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:34:27,423 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:27,423 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:34:27,423 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:34:27,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:34:27,423 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:34:27,423 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:34:27,423 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:34:27,423 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:34:27,423 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:27,424 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:34:27,424 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_f2d862c9-50a7-4eec-b16e-ae229e54571f/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 -> 8a23f808268ae24efff72c12d822f748b1749ed72e0a64bacb54e47761848513 [2024-12-06 00:34:27,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:34:27,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:34:27,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:34:27,663 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:34:27,663 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:34:27,664 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d862c9-50a7-4eec-b16e-ae229e54571f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.3.prop1-back-serstep.c [2024-12-06 00:34:30,347 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d862c9-50a7-4eec-b16e-ae229e54571f/bin/ukojak-verify-CZk0znPC7b/data/a3b8814f7/cdf5236f580145d99a1e43d80aafce92/FLAG89e56cfea [2024-12-06 00:34:30,622 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:34:30,622 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d862c9-50a7-4eec-b16e-ae229e54571f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.3.prop1-back-serstep.c [2024-12-06 00:34:30,637 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d862c9-50a7-4eec-b16e-ae229e54571f/bin/ukojak-verify-CZk0znPC7b/data/a3b8814f7/cdf5236f580145d99a1e43d80aafce92/FLAG89e56cfea [2024-12-06 00:34:30,899 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d862c9-50a7-4eec-b16e-ae229e54571f/bin/ukojak-verify-CZk0znPC7b/data/a3b8814f7/cdf5236f580145d99a1e43d80aafce92 [2024-12-06 00:34:30,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:34:30,903 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:34:30,903 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:34:30,904 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:34:30,906 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:34:30,907 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:34:30" (1/1) ... [2024-12-06 00:34:30,907 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 12:34:30, skipping insertion in model container [2024-12-06 00:34:30,908 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:34:30" (1/1) ... [2024-12-06 00:34:30,958 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:34:31,118 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_f2d862c9-50a7-4eec-b16e-ae229e54571f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.3.prop1-back-serstep.c[1175,1188] [2024-12-06 00:34:31,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:34:31,386 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:34:31,394 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_f2d862c9-50a7-4eec-b16e-ae229e54571f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.3.prop1-back-serstep.c[1175,1188] [2024-12-06 00:34:31,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:34:31,531 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:34:31,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:31 WrapperNode [2024-12-06 00:34:31,531 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:34:31,532 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:34:31,532 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:34:31,532 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:34:31,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:31" (1/1) ... [2024-12-06 00:34:31,565 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:31" (1/1) ... [2024-12-06 00:34:31,665 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2716 [2024-12-06 00:34:31,666 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:34:31,666 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:34:31,666 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:34:31,667 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:34:31,674 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:31" (1/1) ... [2024-12-06 00:34:31,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:31" (1/1) ... [2024-12-06 00:34:31,689 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:31" (1/1) ... [2024-12-06 00:34:31,689 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:31" (1/1) ... [2024-12-06 00:34:31,727 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:31" (1/1) ... [2024-12-06 00:34:31,732 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:31" (1/1) ... [2024-12-06 00:34:31,737 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:31" (1/1) ... [2024-12-06 00:34:31,746 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:31" (1/1) ... [2024-12-06 00:34:31,755 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:31" (1/1) ... [2024-12-06 00:34:31,792 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:34:31,793 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:34:31,794 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:34:31,794 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:34:31,795 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:34:31" (1/1) ... [2024-12-06 00:34:31,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:34:31,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d862c9-50a7-4eec-b16e-ae229e54571f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:34:31,828 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d862c9-50a7-4eec-b16e-ae229e54571f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:34:31,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d862c9-50a7-4eec-b16e-ae229e54571f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:34:31,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:34:31,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:34:31,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:34:31,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:34:32,273 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:34:32,275 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:34:35,030 INFO L? ?]: Removed 271 outVars from TransFormulas that were not future-live. [2024-12-06 00:34:35,030 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:34:35,141 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:34:35,141 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:34:35,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:34:35 BoogieIcfgContainer [2024-12-06 00:34:35,142 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:34:35,143 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:34:35,143 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:34:35,152 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:34:35,152 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:34:35" (1/1) ... [2024-12-06 00:34:35,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:34:35,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:35,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:34:35,201 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:34:35,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:34:35,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:35,203 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:35,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d862c9-50a7-4eec-b16e-ae229e54571f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:35,206 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d862c9-50a7-4eec-b16e-ae229e54571f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:35,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d862c9-50a7-4eec-b16e-ae229e54571f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:34:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:35,988 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:36,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:36,225 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 00:34:36,237 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:34:36,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:34:36,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d862c9-50a7-4eec-b16e-ae229e54571f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:34:36,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:36,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 00:34:36,576 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 00:34:36,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:34:36,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:36,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:34:36,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d862c9-50a7-4eec-b16e-ae229e54571f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:34:36,578 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d862c9-50a7-4eec-b16e-ae229e54571f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:34:36,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d862c9-50a7-4eec-b16e-ae229e54571f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:34:37,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:37,789 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:34:38,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:38,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 98 conjuncts are in the unsatisfiable core [2024-12-06 00:34:38,249 INFO L279 TraceCheckSpWp]: Computing forward predicates...