./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.4.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_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/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_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/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_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/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 cc1dc09ae7a7b340b486867ada0621269eb5770002b610d88b285738f5b8f3b4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:38:14,385 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:38:14,444 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 03:38:14,449 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:38:14,449 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:38:14,470 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:38:14,471 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:38:14,471 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:38:14,471 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:38:14,471 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:38:14,471 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:38:14,472 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:38:14,472 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:38:14,472 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:38:14,472 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:38:14,472 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:38:14,472 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:38:14,472 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:38:14,472 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:38:14,472 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:38:14,472 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:38:14,472 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:38:14,473 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:38:14,473 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:38:14,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:38:14,473 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:38:14,473 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:38:14,473 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:38:14,473 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:38:14,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:38:14,473 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_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/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 -> cc1dc09ae7a7b340b486867ada0621269eb5770002b610d88b285738f5b8f3b4 [2024-12-06 03:38:14,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:38:14,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:38:14,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:38:14,720 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:38:14,720 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:38:14,721 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.4.prop1-back-serstep.c [2024-12-06 03:38:17,407 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/bin/ukojak-verify-CZk0znPC7b/data/7c72f9a6b/d5a04fbc7580441189199e4cce07c1d0/FLAG06f7dcdcc [2024-12-06 03:38:17,762 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:38:17,762 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.4.prop1-back-serstep.c [2024-12-06 03:38:17,780 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/bin/ukojak-verify-CZk0znPC7b/data/7c72f9a6b/d5a04fbc7580441189199e4cce07c1d0/FLAG06f7dcdcc [2024-12-06 03:38:17,978 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/bin/ukojak-verify-CZk0znPC7b/data/7c72f9a6b/d5a04fbc7580441189199e4cce07c1d0 [2024-12-06 03:38:17,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:38:17,981 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:38:17,982 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:38:17,982 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:38:17,985 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:38:17,985 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:38:17" (1/1) ... [2024-12-06 03:38:17,986 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60ef6c2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:17, skipping insertion in model container [2024-12-06 03:38:17,986 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:38:17" (1/1) ... [2024-12-06 03:38:18,039 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:38:18,213 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_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.4.prop1-back-serstep.c[1177,1190] [2024-12-06 03:38:18,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:38:18,631 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:38:18,638 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_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.4.prop1-back-serstep.c[1177,1190] [2024-12-06 03:38:18,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:38:18,955 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:38:18,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:18 WrapperNode [2024-12-06 03:38:18,955 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:38:18,956 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:38:18,956 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:38:18,956 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:38:18,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:18" (1/1) ... [2024-12-06 03:38:19,028 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:18" (1/1) ... [2024-12-06 03:38:19,746 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11467 [2024-12-06 03:38:19,746 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:38:19,747 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:38:19,747 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:38:19,747 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:38:19,753 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:18" (1/1) ... [2024-12-06 03:38:19,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:18" (1/1) ... [2024-12-06 03:38:19,948 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:18" (1/1) ... [2024-12-06 03:38:19,948 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:18" (1/1) ... [2024-12-06 03:38:20,252 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:18" (1/1) ... [2024-12-06 03:38:20,300 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:18" (1/1) ... [2024-12-06 03:38:20,354 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:18" (1/1) ... [2024-12-06 03:38:20,406 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:18" (1/1) ... [2024-12-06 03:38:20,444 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:18" (1/1) ... [2024-12-06 03:38:20,703 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:38:20,704 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:38:20,705 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:38:20,705 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:38:20,706 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:38:18" (1/1) ... [2024-12-06 03:38:20,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:38:20,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:38:20,736 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:38:20,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:38:20,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:38:20,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:38:20,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:38:20,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:38:21,398 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:38:21,400 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:38:37,681 INFO L? ?]: Removed 6299 outVars from TransFormulas that were not future-live. [2024-12-06 03:38:37,681 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:38:53,161 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:38:53,162 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:38:53,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:38:53 BoogieIcfgContainer [2024-12-06 03:38:53,162 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:38:53,163 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:38:53,163 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:38:53,169 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:38:53,169 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:38:53" (1/1) ... [2024-12-06 03:38:53,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:38:53,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:38:53,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 03:38:53,221 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 03:38:53,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:38:53,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:38:53,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:38:55,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:38:58,326 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 03:39:08,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 03:39:18,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 03:39:21,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:39:27,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.09s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:39:37,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:39:47,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:39:47,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:39:47,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 03:39:47,573 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 03:39:47,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:39:47,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:39:47,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:45:18,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:45:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:45:29,637 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 03:45:29,641 INFO L158 Benchmark]: Toolchain (without parser) took 431659.82ms. Allocated memory was 142.6MB in the beginning and 4.8GB in the end (delta: 4.7GB). Free memory was 113.5MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. [2024-12-06 03:45:29,641 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:45:29,642 INFO L158 Benchmark]: CACSL2BoogieTranslator took 973.90ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 113.3MB in the beginning and 352.9MB in the end (delta: -239.7MB). Peak memory consumption was 111.4MB. Max. memory is 16.1GB. [2024-12-06 03:45:29,643 INFO L158 Benchmark]: Boogie Procedure Inliner took 789.95ms. Allocated memory is still 427.8MB. Free memory was 352.9MB in the beginning and 187.6MB in the end (delta: 165.4MB). Peak memory consumption was 248.4MB. Max. memory is 16.1GB. [2024-12-06 03:45:29,643 INFO L158 Benchmark]: Boogie Preprocessor took 956.78ms. Allocated memory was 427.8MB in the beginning and 838.9MB in the end (delta: 411.0MB). Free memory was 187.6MB in the beginning and 537.0MB in the end (delta: -349.5MB). Peak memory consumption was 104.6MB. Max. memory is 16.1GB. [2024-12-06 03:45:29,644 INFO L158 Benchmark]: RCFGBuilder took 32457.78ms. Allocated memory was 838.9MB in the beginning and 2.4GB in the end (delta: 1.6GB). Free memory was 537.0MB in the beginning and 1.5GB in the end (delta: -977.7MB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2024-12-06 03:45:29,644 INFO L158 Benchmark]: CodeCheck took 396477.24ms. Allocated memory was 2.4GB in the beginning and 4.8GB in the end (delta: 2.4GB). Free memory was 1.5GB in the beginning and 2.5GB in the end (delta: -967.0MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-12-06 03:45:29,647 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 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 973.90ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 113.3MB in the beginning and 352.9MB in the end (delta: -239.7MB). Peak memory consumption was 111.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 789.95ms. Allocated memory is still 427.8MB. Free memory was 352.9MB in the beginning and 187.6MB in the end (delta: 165.4MB). Peak memory consumption was 248.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 956.78ms. Allocated memory was 427.8MB in the beginning and 838.9MB in the end (delta: 411.0MB). Free memory was 187.6MB in the beginning and 537.0MB in the end (delta: -349.5MB). Peak memory consumption was 104.6MB. Max. memory is 16.1GB. * RCFGBuilder took 32457.78ms. Allocated memory was 838.9MB in the beginning and 2.4GB in the end (delta: 1.6GB). Free memory was 537.0MB in the beginning and 1.5GB in the end (delta: -977.7MB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. * CodeCheck took 396477.24ms. Allocated memory was 2.4GB in the beginning and 4.8GB in the end (delta: 2.4GB). Free memory was 1.5GB in the beginning and 2.5GB in the end (delta: -967.0MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 03:45:29,856 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 03:45:29,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/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_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/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_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/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 cc1dc09ae7a7b340b486867ada0621269eb5770002b610d88b285738f5b8f3b4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:45:31,953 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:45:32,028 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 03:45:32,051 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:45:32,052 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:45:32,052 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:45:32,052 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:45:32,052 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:45:32,052 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:45:32,053 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:45:32,053 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:45:32,053 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:45:32,053 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:45:32,053 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:45:32,053 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:45:32,053 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:45:32,053 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:45:32,053 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:45:32,053 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:45:32,054 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:45:32,054 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:45:32,054 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:45:32,054 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:45:32,054 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:45:32,054 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:45:32,054 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:45:32,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:45:32,055 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:45:32,055 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:45:32,055 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:45:32,055 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:45:32,055 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:45:32,055 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:45:32,055 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_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/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 -> cc1dc09ae7a7b340b486867ada0621269eb5770002b610d88b285738f5b8f3b4 [2024-12-06 03:45:32,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:45:32,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:45:32,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:45:32,293 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:45:32,293 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:45:32,294 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.4.prop1-back-serstep.c [2024-12-06 03:45:35,532 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/bin/ukojak-verify-CZk0znPC7b/data/c427fde9e/594eb2df6b7641ee81776804713d1cc2/FLAG137fa115c [2024-12-06 03:45:35,895 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:45:35,895 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.4.prop1-back-serstep.c [2024-12-06 03:45:35,918 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/bin/ukojak-verify-CZk0znPC7b/data/c427fde9e/594eb2df6b7641ee81776804713d1cc2/FLAG137fa115c [2024-12-06 03:45:35,934 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/bin/ukojak-verify-CZk0znPC7b/data/c427fde9e/594eb2df6b7641ee81776804713d1cc2 [2024-12-06 03:45:35,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:45:35,938 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:45:35,940 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:45:35,940 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:45:35,944 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:45:35,945 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:45:35" (1/1) ... [2024-12-06 03:45:35,946 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b22eb3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:45:35, skipping insertion in model container [2024-12-06 03:45:35,946 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:45:35" (1/1) ... [2024-12-06 03:45:36,013 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:45:36,204 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_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.4.prop1-back-serstep.c[1177,1190] [2024-12-06 03:45:36,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:45:36,649 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:45:36,658 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_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.4.prop1-back-serstep.c[1177,1190] [2024-12-06 03:45:36,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:45:36,925 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:45:36,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:45:36 WrapperNode [2024-12-06 03:45:36,926 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:45:36,927 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:45:36,927 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:45:36,927 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:45:36,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:45:36" (1/1) ... [2024-12-06 03:45:36,989 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:45:36" (1/1) ... [2024-12-06 03:45:37,145 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3731 [2024-12-06 03:45:37,146 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:45:37,146 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:45:37,146 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:45:37,146 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:45:37,155 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:45:36" (1/1) ... [2024-12-06 03:45:37,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:45:36" (1/1) ... [2024-12-06 03:45:37,177 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:45:36" (1/1) ... [2024-12-06 03:45:37,177 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:45:36" (1/1) ... [2024-12-06 03:45:37,241 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:45:36" (1/1) ... [2024-12-06 03:45:37,247 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:45:36" (1/1) ... [2024-12-06 03:45:37,254 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:45:36" (1/1) ... [2024-12-06 03:45:37,268 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:45:36" (1/1) ... [2024-12-06 03:45:37,279 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:45:36" (1/1) ... [2024-12-06 03:45:37,304 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:45:37,305 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:45:37,305 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:45:37,305 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:45:37,306 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:45:36" (1/1) ... [2024-12-06 03:45:37,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:45:37,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:45:37,341 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:45:37,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:45:37,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:45:37,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:45:37,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:45:37,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:45:38,048 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:45:38,051 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:45:46,703 INFO L? ?]: Removed 384 outVars from TransFormulas that were not future-live. [2024-12-06 03:45:46,703 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:45:46,821 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:45:46,821 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:45:46,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:45:46 BoogieIcfgContainer [2024-12-06 03:45:46,822 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:45:46,822 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:45:46,823 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:45:46,831 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:45:46,832 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:45:46" (1/1) ... [2024-12-06 03:45:46,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:45:46,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:45:46,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 03:45:46,883 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 03:45:46,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:45:46,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:45:46,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:45:46,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:45:46,887 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:45:46,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:45:47,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:45:47,907 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:45:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:45:48,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:45:48,195 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:45:48,317 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 03:45:48,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:45:53,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.56s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:45:54,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:45:54,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 03:45:54,181 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 03:45:54,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:45:54,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:45:54,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:45:54,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:45:54,183 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:45:54,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4f51a7-9f92-4ab1-842d-9c6d3d044d63/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:45:56,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:45:56,941 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:45:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:45:57,612 INFO L256 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 109 conjuncts are in the unsatisfiable core [2024-12-06 03:45:57,640 INFO L279 TraceCheckSpWp]: Computing forward predicates...