./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/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_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/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_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/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 04eb973983c9ccd9d9a2f7bf0254b11977aff2be461e481330083f8f8bce39f7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:01:09,507 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:01:09,559 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 23:01:09,562 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:01:09,562 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:01:09,579 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:01:09,580 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:01:09,580 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:01:09,580 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:01:09,581 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:01:09,581 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:01:09,581 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:01:09,581 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:01:09,581 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:01:09,581 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:01:09,581 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:01:09,581 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:01:09,581 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:01:09,582 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:01:09,582 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:01:09,582 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:01:09,582 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:01:09,582 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:01:09,582 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:01:09,582 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:01:09,582 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:01:09,582 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:01:09,582 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:01:09,583 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:01:09,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:01:09,583 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_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/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 -> 04eb973983c9ccd9d9a2f7bf0254b11977aff2be461e481330083f8f8bce39f7 [2024-12-05 23:01:09,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:01:09,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:01:09,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:01:09,792 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:01:09,792 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:01:09,793 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop1-back-serstep.c [2024-12-05 23:01:12,411 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/bin/ukojak-verify-CZk0znPC7b/data/705370659/c2c80f61e4cd4d8ab9b736f0bb10df64/FLAG2b34c0be2 [2024-12-05 23:01:12,744 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:01:12,744 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop1-back-serstep.c [2024-12-05 23:01:12,767 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/bin/ukojak-verify-CZk0znPC7b/data/705370659/c2c80f61e4cd4d8ab9b736f0bb10df64/FLAG2b34c0be2 [2024-12-05 23:01:12,976 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/bin/ukojak-verify-CZk0znPC7b/data/705370659/c2c80f61e4cd4d8ab9b736f0bb10df64 [2024-12-05 23:01:12,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:01:12,980 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:01:12,981 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:01:12,981 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:01:12,985 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:01:12,986 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:01:12" (1/1) ... [2024-12-05 23:01:12,987 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1443941e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:01:12, skipping insertion in model container [2024-12-05 23:01:12,987 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:01:12" (1/1) ... [2024-12-05 23:01:13,039 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:01:13,217 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_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop1-back-serstep.c[1172,1185] [2024-12-05 23:01:13,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:01:13,636 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:01:13,644 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_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop1-back-serstep.c[1172,1185] [2024-12-05 23:01:13,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:01:13,924 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:01:13,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:01:13 WrapperNode [2024-12-05 23:01:13,924 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:01:13,926 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:01:13,926 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:01:13,926 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:01:13,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:01:13" (1/1) ... [2024-12-05 23:01:14,001 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:01:13" (1/1) ... [2024-12-05 23:01:14,917 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11624 [2024-12-05 23:01:14,917 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:01:14,918 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:01:14,918 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:01:14,918 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:01:14,924 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:01:13" (1/1) ... [2024-12-05 23:01:14,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:01:13" (1/1) ... [2024-12-05 23:01:15,074 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:01:13" (1/1) ... [2024-12-05 23:01:15,075 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:01:13" (1/1) ... [2024-12-05 23:01:15,318 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:01:13" (1/1) ... [2024-12-05 23:01:15,376 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:01:13" (1/1) ... [2024-12-05 23:01:15,411 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:01:13" (1/1) ... [2024-12-05 23:01:15,453 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:01:13" (1/1) ... [2024-12-05 23:01:15,492 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:01:13" (1/1) ... [2024-12-05 23:01:15,592 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:01:15,593 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:01:15,593 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:01:15,593 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:01:15,594 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:01:13" (1/1) ... [2024-12-05 23:01:15,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:01:15,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:01:15,617 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:01:15,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:01:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:01:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:01:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:01:15,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:01:16,212 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:01:16,214 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:01:32,627 INFO L? ?]: Removed 6190 outVars from TransFormulas that were not future-live. [2024-12-05 23:01:32,628 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:01:49,576 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:01:49,576 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:01:49,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:01:49 BoogieIcfgContainer [2024-12-05 23:01:49,576 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:01:49,577 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:01:49,577 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:01:49,584 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:01:49,584 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:01:49" (1/1) ... [2024-12-05 23:01:49,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:01:49,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:49,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 23:01:49,629 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 23:01:49,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:01:49,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:49,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:01:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:53,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:02:03,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:02:13,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:02:19,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.31s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:02:20,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:02:23,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:02:33,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:02:33,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:02:33,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-05 23:02:33,219 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-05 23:02:33,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:02:33,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:02:33,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:06:10,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:06:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:06:21,163 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 23:06:21,167 INFO L158 Benchmark]: Toolchain (without parser) took 308187.41ms. Allocated memory was 117.4MB in the beginning and 3.9GB in the end (delta: 3.7GB). Free memory was 87.6MB in the beginning and 1.5GB in the end (delta: -1.5GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. [2024-12-05 23:06:21,168 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 84.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:06:21,168 INFO L158 Benchmark]: CACSL2BoogieTranslator took 943.81ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 87.6MB in the beginning and 81.7MB in the end (delta: 6.0MB). Peak memory consumption was 85.9MB. Max. memory is 16.1GB. [2024-12-05 23:06:21,169 INFO L158 Benchmark]: Boogie Procedure Inliner took 991.87ms. Allocated memory was 192.9MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 81.6MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 206.5MB. Max. memory is 16.1GB. [2024-12-05 23:06:21,170 INFO L158 Benchmark]: Boogie Preprocessor took 673.81ms. Allocated memory is still 1.4GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 64.5MB). Peak memory consumption was 85.0MB. Max. memory is 16.1GB. [2024-12-05 23:06:21,170 INFO L158 Benchmark]: RCFGBuilder took 33983.91ms. Allocated memory was 1.4GB in the beginning and 1.9GB in the end (delta: 570.4MB). Free memory was 1.1GB in the beginning and 306.4MB in the end (delta: 759.5MB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2024-12-05 23:06:21,171 INFO L158 Benchmark]: CodeCheck took 271589.35ms. Allocated memory was 1.9GB in the beginning and 3.9GB in the end (delta: 1.9GB). Free memory was 306.4MB in the beginning and 1.5GB in the end (delta: -1.2GB). Peak memory consumption was 700.8MB. Max. memory is 16.1GB. [2024-12-05 23:06:21,174 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 84.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 943.81ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 87.6MB in the beginning and 81.7MB in the end (delta: 6.0MB). Peak memory consumption was 85.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 991.87ms. Allocated memory was 192.9MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 81.6MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 206.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 673.81ms. Allocated memory is still 1.4GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 64.5MB). Peak memory consumption was 85.0MB. Max. memory is 16.1GB. * RCFGBuilder took 33983.91ms. Allocated memory was 1.4GB in the beginning and 1.9GB in the end (delta: 570.4MB). Free memory was 1.1GB in the beginning and 306.4MB in the end (delta: 759.5MB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. * CodeCheck took 271589.35ms. Allocated memory was 1.9GB in the beginning and 3.9GB in the end (delta: 1.9GB). Free memory was 306.4MB in the beginning and 1.5GB in the end (delta: -1.2GB). Peak memory consumption was 700.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 23:06:21,382 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-05 23:06:21,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/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_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/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_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/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_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/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 04eb973983c9ccd9d9a2f7bf0254b11977aff2be461e481330083f8f8bce39f7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:06:23,309 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:06:23,389 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-05 23:06:23,413 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:06:23,414 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:06:23,414 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:06:23,414 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:06:23,414 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:06:23,414 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:06:23,415 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:06:23,415 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:06:23,415 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:06:23,415 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:06:23,415 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:06:23,415 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:06:23,415 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:06:23,415 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:06:23,415 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:06:23,416 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:06:23,416 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:06:23,416 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:06:23,416 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:06:23,416 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:06:23,416 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:06:23,416 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:06:23,416 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:06:23,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:06:23,417 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:06:23,417 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:06:23,417 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:06:23,417 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:06:23,417 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:06:23,417 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:06:23,417 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_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/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 -> 04eb973983c9ccd9d9a2f7bf0254b11977aff2be461e481330083f8f8bce39f7 [2024-12-05 23:06:23,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:06:23,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:06:23,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:06:23,649 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:06:23,650 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:06:23,651 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop1-back-serstep.c [2024-12-05 23:06:26,300 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/bin/ukojak-verify-CZk0znPC7b/data/e6ef002c4/699eebdb40cc49128561be3a99609b12/FLAG9cf27fd8d [2024-12-05 23:06:26,591 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:06:26,592 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop1-back-serstep.c [2024-12-05 23:06:26,609 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/bin/ukojak-verify-CZk0znPC7b/data/e6ef002c4/699eebdb40cc49128561be3a99609b12/FLAG9cf27fd8d [2024-12-05 23:06:26,855 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/bin/ukojak-verify-CZk0znPC7b/data/e6ef002c4/699eebdb40cc49128561be3a99609b12 [2024-12-05 23:06:26,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:06:26,857 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:06:26,858 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:06:26,858 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:06:26,861 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:06:26,862 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:06:26" (1/1) ... [2024-12-05 23:06:26,862 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fa1aaa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:06:26, skipping insertion in model container [2024-12-05 23:06:26,862 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:06:26" (1/1) ... [2024-12-05 23:06:26,909 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:06:27,087 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_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop1-back-serstep.c[1172,1185] [2024-12-05 23:06:27,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:06:27,417 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:06:27,427 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_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop1-back-serstep.c[1172,1185] [2024-12-05 23:06:27,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:06:27,635 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:06:27,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:06:27 WrapperNode [2024-12-05 23:06:27,636 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:06:27,636 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:06:27,637 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:06:27,637 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:06:27,643 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:06:27" (1/1) ... [2024-12-05 23:06:27,680 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:06:27" (1/1) ... [2024-12-05 23:06:27,799 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3316 [2024-12-05 23:06:27,799 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:06:27,800 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:06:27,800 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:06:27,800 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:06:27,808 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:06:27" (1/1) ... [2024-12-05 23:06:27,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:06:27" (1/1) ... [2024-12-05 23:06:27,833 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:06:27" (1/1) ... [2024-12-05 23:06:27,833 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:06:27" (1/1) ... [2024-12-05 23:06:27,895 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:06:27" (1/1) ... [2024-12-05 23:06:27,901 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:06:27" (1/1) ... [2024-12-05 23:06:27,906 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:06:27" (1/1) ... [2024-12-05 23:06:27,917 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:06:27" (1/1) ... [2024-12-05 23:06:27,926 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:06:27" (1/1) ... [2024-12-05 23:06:27,943 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:06:27,944 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:06:27,945 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:06:27,945 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:06:27,946 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:06:27" (1/1) ... [2024-12-05 23:06:27,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:06:27,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:06:27,977 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:06:27,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:06:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:06:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:06:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:06:28,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:06:28,489 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:06:28,491 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:06:32,894 INFO L? ?]: Removed 316 outVars from TransFormulas that were not future-live. [2024-12-05 23:06:32,894 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:06:32,959 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:06:32,960 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:06:32,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:06:32 BoogieIcfgContainer [2024-12-05 23:06:32,960 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:06:32,961 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:06:32,961 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:06:32,967 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:06:32,968 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:06:32" (1/1) ... [2024-12-05 23:06:32,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:06:33,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:06:33,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 23:06:33,008 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 23:06:33,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:06:33,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:06:33,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:06:33,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:06:33,032 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:06:33,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:06:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:33,929 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:06:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:34,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 23:06:34,212 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:06:34,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:06:34,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:06:35,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:06:35,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 23:06:35,348 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 23:06:35,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:06:35,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:06:35,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:06:35,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:06:35,350 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:06:35,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97aa5266-73a6-4bfe-b8e6-ec3ba3d825ea/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 23:06:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:36,871 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:06:37,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:37,431 INFO L256 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 99 conjuncts are in the unsatisfiable core [2024-12-05 23:06:37,464 INFO L279 TraceCheckSpWp]: Computing forward predicates...