./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop2-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_aa367e9a-c8bb-4ccd-b317-4302a003d675/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa367e9a-c8bb-4ccd-b317-4302a003d675/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_aa367e9a-c8bb-4ccd-b317-4302a003d675/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa367e9a-c8bb-4ccd-b317-4302a003d675/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop2-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa367e9a-c8bb-4ccd-b317-4302a003d675/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_aa367e9a-c8bb-4ccd-b317-4302a003d675/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 43f5f502d14f05ea40d7bef54847a3cb3f738395d4f7ef27577a7a4cab5d0ae1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:54:56,252 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:54:56,305 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa367e9a-c8bb-4ccd-b317-4302a003d675/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 04:54:56,309 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:54:56,309 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:54:56,327 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:54:56,328 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:54:56,328 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:54:56,329 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:54:56,329 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:54:56,329 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:54:56,329 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:54:56,329 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:54:56,329 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:54:56,329 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:54:56,329 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:54:56,329 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:54:56,329 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:54:56,329 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:54:56,330 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:54:56,330 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:54:56,330 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:54:56,330 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:54:56,330 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:54:56,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:54:56,330 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:54:56,330 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:54:56,330 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:54:56,330 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:54:56,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:54:56,331 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_aa367e9a-c8bb-4ccd-b317-4302a003d675/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 -> 43f5f502d14f05ea40d7bef54847a3cb3f738395d4f7ef27577a7a4cab5d0ae1 [2024-12-06 04:54:56,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:54:56,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:54:56,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:54:56,552 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:54:56,553 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:54:56,554 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa367e9a-c8bb-4ccd-b317-4302a003d675/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop2-back-serstep.c [2024-12-06 04:54:59,229 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa367e9a-c8bb-4ccd-b317-4302a003d675/bin/ukojak-verify-CZk0znPC7b/data/b84279456/392429152d744a868c9336101d574cf5/FLAG1e7b370a2 [2024-12-06 04:54:59,500 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:54:59,500 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa367e9a-c8bb-4ccd-b317-4302a003d675/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop2-back-serstep.c [2024-12-06 04:54:59,521 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa367e9a-c8bb-4ccd-b317-4302a003d675/bin/ukojak-verify-CZk0znPC7b/data/b84279456/392429152d744a868c9336101d574cf5/FLAG1e7b370a2 [2024-12-06 04:54:59,534 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa367e9a-c8bb-4ccd-b317-4302a003d675/bin/ukojak-verify-CZk0znPC7b/data/b84279456/392429152d744a868c9336101d574cf5 [2024-12-06 04:54:59,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:54:59,537 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:54:59,538 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:54:59,538 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:54:59,543 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:54:59,543 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:54:59" (1/1) ... [2024-12-06 04:54:59,544 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@355f576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:54:59, skipping insertion in model container [2024-12-06 04:54:59,544 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:54:59" (1/1) ... [2024-12-06 04:54:59,593 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:54:59,763 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_aa367e9a-c8bb-4ccd-b317-4302a003d675/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop2-back-serstep.c[1172,1185] [2024-12-06 04:55:00,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:55:00,183 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:55:00,192 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_aa367e9a-c8bb-4ccd-b317-4302a003d675/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop2-back-serstep.c[1172,1185] [2024-12-06 04:55:00,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:55:00,456 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:55:00,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:55:00 WrapperNode [2024-12-06 04:55:00,457 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:55:00,458 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:55:00,458 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:55:00,458 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:55:00,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:55:00" (1/1) ... [2024-12-06 04:55:00,530 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:55:00" (1/1) ... [2024-12-06 04:55:01,595 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11615 [2024-12-06 04:55:01,595 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:55:01,596 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:55:01,596 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:55:01,596 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:55:01,602 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:55:00" (1/1) ... [2024-12-06 04:55:01,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:55:00" (1/1) ... [2024-12-06 04:55:01,806 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:55:00" (1/1) ... [2024-12-06 04:55:01,807 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:55:00" (1/1) ... [2024-12-06 04:55:01,956 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:55:00" (1/1) ... [2024-12-06 04:55:02,021 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:55:00" (1/1) ... [2024-12-06 04:55:02,062 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:55:00" (1/1) ... [2024-12-06 04:55:02,100 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:55:00" (1/1) ... [2024-12-06 04:55:02,123 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:55:00" (1/1) ... [2024-12-06 04:55:02,221 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:55:02,222 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:55:02,222 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:55:02,223 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:55:02,224 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:55:00" (1/1) ... [2024-12-06 04:55:02,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:55:02,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa367e9a-c8bb-4ccd-b317-4302a003d675/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:55:02,247 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa367e9a-c8bb-4ccd-b317-4302a003d675/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:55:02,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa367e9a-c8bb-4ccd-b317-4302a003d675/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:55:02,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:55:02,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:55:02,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:55:02,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:55:02,825 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:55:02,827 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:55:18,602 INFO L? ?]: Removed 6187 outVars from TransFormulas that were not future-live. [2024-12-06 04:55:18,602 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:55:35,306 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:55:35,307 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:55:35,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:55:35 BoogieIcfgContainer [2024-12-06 04:55:35,307 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:55:35,308 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:55:35,308 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:55:35,315 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:55:35,315 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:55:35" (1/1) ... [2024-12-06 04:55:35,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:55:35,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:55:35,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 04:55:35,375 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 04:55:35,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:55:35,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:55:35,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:55:38,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:55:41,149 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 04:55:51,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:56:01,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:56:03,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:56:06,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.83s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:56:08,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:56:19,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:56:19,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:56:19,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 04:56:19,181 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 04:56:19,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:56:19,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:56:19,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:00:01,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:00:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:00:12,173 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 05:00:12,176 INFO L158 Benchmark]: Toolchain (without parser) took 312638.99ms. Allocated memory was 117.4MB in the beginning and 4.4GB in the end (delta: 4.3GB). Free memory was 87.1MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. [2024-12-06 05:00:12,176 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:00:12,177 INFO L158 Benchmark]: CACSL2BoogieTranslator took 919.07ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 86.9MB in the beginning and 90.4MB in the end (delta: -3.6MB). Peak memory consumption was 85.8MB. Max. memory is 16.1GB. [2024-12-06 05:00:12,177 INFO L158 Benchmark]: Boogie Procedure Inliner took 1137.64ms. Allocated memory was 201.3MB in the beginning and 478.2MB in the end (delta: 276.8MB). Free memory was 90.3MB in the beginning and 250.6MB in the end (delta: -160.3MB). Peak memory consumption was 199.7MB. Max. memory is 16.1GB. [2024-12-06 05:00:12,178 INFO L158 Benchmark]: Boogie Preprocessor took 625.52ms. Allocated memory was 478.2MB in the beginning and 1.4GB in the end (delta: 956.3MB). Free memory was 250.6MB in the beginning and 1.1GB in the end (delta: -894.3MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2024-12-06 05:00:12,179 INFO L158 Benchmark]: RCFGBuilder took 33085.02ms. Allocated memory was 1.4GB in the beginning and 1.5GB in the end (delta: 109.1MB). Free memory was 1.1GB in the beginning and 809.8MB in the end (delta: 335.1MB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2024-12-06 05:00:12,179 INFO L158 Benchmark]: CodeCheck took 276867.49ms. Allocated memory was 1.5GB in the beginning and 4.4GB in the end (delta: 2.9GB). Free memory was 809.8MB in the beginning and 2.1GB in the end (delta: -1.3GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2024-12-06 05:00:12,182 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 is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 919.07ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 86.9MB in the beginning and 90.4MB in the end (delta: -3.6MB). Peak memory consumption was 85.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1137.64ms. Allocated memory was 201.3MB in the beginning and 478.2MB in the end (delta: 276.8MB). Free memory was 90.3MB in the beginning and 250.6MB in the end (delta: -160.3MB). Peak memory consumption was 199.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 625.52ms. Allocated memory was 478.2MB in the beginning and 1.4GB in the end (delta: 956.3MB). Free memory was 250.6MB in the beginning and 1.1GB in the end (delta: -894.3MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. * RCFGBuilder took 33085.02ms. Allocated memory was 1.4GB in the beginning and 1.5GB in the end (delta: 109.1MB). Free memory was 1.1GB in the beginning and 809.8MB in the end (delta: 335.1MB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. * CodeCheck took 276867.49ms. Allocated memory was 1.5GB in the beginning and 4.4GB in the end (delta: 2.9GB). Free memory was 809.8MB in the beginning and 2.1GB in the end (delta: -1.3GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 05:00:12,390 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa367e9a-c8bb-4ccd-b317-4302a003d675/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 05:00:12,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa367e9a-c8bb-4ccd-b317-4302a003d675/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_aa367e9a-c8bb-4ccd-b317-4302a003d675/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa367e9a-c8bb-4ccd-b317-4302a003d675/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_aa367e9a-c8bb-4ccd-b317-4302a003d675/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa367e9a-c8bb-4ccd-b317-4302a003d675/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop2-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa367e9a-c8bb-4ccd-b317-4302a003d675/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_aa367e9a-c8bb-4ccd-b317-4302a003d675/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 43f5f502d14f05ea40d7bef54847a3cb3f738395d4f7ef27577a7a4cab5d0ae1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:00:14,381 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:00:14,464 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa367e9a-c8bb-4ccd-b317-4302a003d675/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 05:00:14,487 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:00:14,488 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:00:14,488 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:00:14,489 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:00:14,489 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:00:14,489 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:00:14,489 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:00:14,489 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:00:14,489 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:00:14,489 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:00:14,489 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:00:14,489 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:00:14,490 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:00:14,490 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:00:14,490 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:00:14,490 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:00:14,490 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:00:14,490 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:00:14,490 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:00:14,490 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:00:14,490 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:00:14,490 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:00:14,490 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:00:14,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:00:14,491 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:00:14,491 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:00:14,491 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:00:14,491 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:00:14,491 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:00:14,491 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:00:14,491 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_aa367e9a-c8bb-4ccd-b317-4302a003d675/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 -> 43f5f502d14f05ea40d7bef54847a3cb3f738395d4f7ef27577a7a4cab5d0ae1 [2024-12-06 05:00:14,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:00:14,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:00:14,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:00:14,729 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:00:14,730 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:00:14,731 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa367e9a-c8bb-4ccd-b317-4302a003d675/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop2-back-serstep.c [2024-12-06 05:00:17,318 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa367e9a-c8bb-4ccd-b317-4302a003d675/bin/ukojak-verify-CZk0znPC7b/data/20e2dc801/e4e85cd3e052416c83ee52401a77a935/FLAGb3343f017 [2024-12-06 05:00:17,649 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:00:17,649 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa367e9a-c8bb-4ccd-b317-4302a003d675/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop2-back-serstep.c [2024-12-06 05:00:17,666 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa367e9a-c8bb-4ccd-b317-4302a003d675/bin/ukojak-verify-CZk0znPC7b/data/20e2dc801/e4e85cd3e052416c83ee52401a77a935/FLAGb3343f017 [2024-12-06 05:00:17,895 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa367e9a-c8bb-4ccd-b317-4302a003d675/bin/ukojak-verify-CZk0znPC7b/data/20e2dc801/e4e85cd3e052416c83ee52401a77a935 [2024-12-06 05:00:17,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:00:17,898 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:00:17,899 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:00:17,899 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:00:17,902 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:00:17,903 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:00:17" (1/1) ... [2024-12-06 05:00:17,903 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b68bd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:00:17, skipping insertion in model container [2024-12-06 05:00:17,903 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:00:17" (1/1) ... [2024-12-06 05:00:17,959 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:00:18,128 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_aa367e9a-c8bb-4ccd-b317-4302a003d675/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop2-back-serstep.c[1172,1185] [2024-12-06 05:00:18,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:00:18,442 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:00:18,451 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_aa367e9a-c8bb-4ccd-b317-4302a003d675/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop2-back-serstep.c[1172,1185] [2024-12-06 05:00:18,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:00:18,631 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:00:18,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:00:18 WrapperNode [2024-12-06 05:00:18,632 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:00:18,633 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:00:18,633 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:00:18,633 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:00:18,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:00:18" (1/1) ... [2024-12-06 05:00:18,672 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:00:18" (1/1) ... [2024-12-06 05:00:18,778 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3315 [2024-12-06 05:00:18,779 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:00:18,779 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:00:18,780 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:00:18,780 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:00:18,787 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:00:18" (1/1) ... [2024-12-06 05:00:18,787 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:00:18" (1/1) ... [2024-12-06 05:00:18,813 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:00:18" (1/1) ... [2024-12-06 05:00:18,814 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:00:18" (1/1) ... [2024-12-06 05:00:18,873 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:00:18" (1/1) ... [2024-12-06 05:00:18,879 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:00:18" (1/1) ... [2024-12-06 05:00:18,884 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:00:18" (1/1) ... [2024-12-06 05:00:18,895 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:00:18" (1/1) ... [2024-12-06 05:00:18,905 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:00:18" (1/1) ... [2024-12-06 05:00:18,924 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:00:18,925 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:00:18,925 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:00:18,925 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:00:18,926 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:00:18" (1/1) ... [2024-12-06 05:00:18,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:00:18,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa367e9a-c8bb-4ccd-b317-4302a003d675/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:00:18,951 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa367e9a-c8bb-4ccd-b317-4302a003d675/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:00:18,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa367e9a-c8bb-4ccd-b317-4302a003d675/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:00:18,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:00:18,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:00:18,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:00:18,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:00:19,461 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:00:19,462 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:00:23,749 INFO L? ?]: Removed 316 outVars from TransFormulas that were not future-live. [2024-12-06 05:00:23,750 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:00:23,844 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:00:23,845 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:00:23,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:00:23 BoogieIcfgContainer [2024-12-06 05:00:23,845 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:00:23,846 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:00:23,846 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:00:23,854 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:00:23,854 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:00:23" (1/1) ... [2024-12-06 05:00:23,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:00:23,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:00:23,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 05:00:23,902 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 05:00:23,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:00:23,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:00:23,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:00:23,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa367e9a-c8bb-4ccd-b317-4302a003d675/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:00:23,906 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa367e9a-c8bb-4ccd-b317-4302a003d675/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:00:23,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa367e9a-c8bb-4ccd-b317-4302a003d675/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:00:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:00:24,820 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:00:25,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:00:25,075 INFO L256 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:00:25,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:00:25,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:00:25,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa367e9a-c8bb-4ccd-b317-4302a003d675/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:00:25,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:00:25,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 05:00:25,718 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 05:00:25,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:00:25,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:00:25,718 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:00:25,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa367e9a-c8bb-4ccd-b317-4302a003d675/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:00:25,720 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa367e9a-c8bb-4ccd-b317-4302a003d675/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:00:25,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa367e9a-c8bb-4ccd-b317-4302a003d675/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:00:27,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:00:27,181 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:00:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:00:27,651 INFO L256 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 83 conjuncts are in the unsatisfiable core [2024-12-06 05:00:27,677 INFO L279 TraceCheckSpWp]: Computing forward predicates...