./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.8.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_7310f6a1-69d0-434a-b30d-7c521c48d142/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7310f6a1-69d0-434a-b30d-7c521c48d142/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_7310f6a1-69d0-434a-b30d-7c521c48d142/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7310f6a1-69d0-434a-b30d-7c521c48d142/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.8.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7310f6a1-69d0-434a-b30d-7c521c48d142/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_7310f6a1-69d0-434a-b30d-7c521c48d142/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 9ef61f068a8126fec6af6cf6a211fa3dc7f8659e8a24e8da0b8d736f4ceaeaf2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:26:33,460 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:26:33,515 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7310f6a1-69d0-434a-b30d-7c521c48d142/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 03:26:33,519 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:26:33,519 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:26:33,538 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:26:33,539 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:26:33,539 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:26:33,539 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:26:33,539 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:26:33,539 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:26:33,539 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:26:33,539 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:26:33,540 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:26:33,540 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:26:33,540 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:26:33,540 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:26:33,540 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:26:33,540 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:26:33,540 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:26:33,540 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:26:33,540 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:26:33,540 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:26:33,540 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:26:33,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:26:33,541 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:26:33,541 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:26:33,541 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:26:33,541 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:26:33,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:26:33,541 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_7310f6a1-69d0-434a-b30d-7c521c48d142/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 -> 9ef61f068a8126fec6af6cf6a211fa3dc7f8659e8a24e8da0b8d736f4ceaeaf2 [2024-12-06 03:26:33,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:26:33,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:26:33,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:26:33,796 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:26:33,796 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:26:33,798 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7310f6a1-69d0-434a-b30d-7c521c48d142/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.8.prop1-back-serstep.c [2024-12-06 03:26:36,520 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7310f6a1-69d0-434a-b30d-7c521c48d142/bin/ukojak-verify-CZk0znPC7b/data/1747d0a6c/554fd6673cb342f3bef5df12434ef12e/FLAGc292b50eb [2024-12-06 03:26:36,805 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:26:36,806 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7310f6a1-69d0-434a-b30d-7c521c48d142/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.8.prop1-back-serstep.c [2024-12-06 03:26:36,823 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7310f6a1-69d0-434a-b30d-7c521c48d142/bin/ukojak-verify-CZk0znPC7b/data/1747d0a6c/554fd6673cb342f3bef5df12434ef12e/FLAGc292b50eb [2024-12-06 03:26:36,836 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7310f6a1-69d0-434a-b30d-7c521c48d142/bin/ukojak-verify-CZk0znPC7b/data/1747d0a6c/554fd6673cb342f3bef5df12434ef12e [2024-12-06 03:26:36,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:26:36,839 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:26:36,840 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:26:36,840 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:26:36,843 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:26:36,844 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:26:36" (1/1) ... [2024-12-06 03:26:36,844 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21927663 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:26:36, skipping insertion in model container [2024-12-06 03:26:36,844 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:26:36" (1/1) ... [2024-12-06 03:26:36,907 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:26:37,083 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_7310f6a1-69d0-434a-b30d-7c521c48d142/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.8.prop1-back-serstep.c[1172,1185] [2024-12-06 03:26:37,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:26:37,507 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:26:37,518 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_7310f6a1-69d0-434a-b30d-7c521c48d142/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.8.prop1-back-serstep.c[1172,1185] [2024-12-06 03:26:37,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:26:37,805 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:26:37,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:26:37 WrapperNode [2024-12-06 03:26:37,806 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:26:37,807 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:26:37,807 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:26:37,807 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:26:37,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:26:37" (1/1) ... [2024-12-06 03:26:37,874 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:26:37" (1/1) ... [2024-12-06 03:26:38,933 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11229 [2024-12-06 03:26:38,934 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:26:38,934 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:26:38,934 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:26:38,935 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:26:38,942 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:26:37" (1/1) ... [2024-12-06 03:26:38,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:26:37" (1/1) ... [2024-12-06 03:26:39,277 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:26:37" (1/1) ... [2024-12-06 03:26:39,278 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:26:37" (1/1) ... [2024-12-06 03:26:39,453 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:26:37" (1/1) ... [2024-12-06 03:26:39,499 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:26:37" (1/1) ... [2024-12-06 03:26:39,539 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:26:37" (1/1) ... [2024-12-06 03:26:39,584 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:26:37" (1/1) ... [2024-12-06 03:26:39,616 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:26:37" (1/1) ... [2024-12-06 03:26:39,937 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:26:39,938 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:26:39,938 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:26:39,939 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:26:39,939 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:26:37" (1/1) ... [2024-12-06 03:26:39,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:26:39,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7310f6a1-69d0-434a-b30d-7c521c48d142/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:26:39,976 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7310f6a1-69d0-434a-b30d-7c521c48d142/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:26:39,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7310f6a1-69d0-434a-b30d-7c521c48d142/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:26:39,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:26:39,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:26:39,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:26:39,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:26:40,635 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:26:40,636 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:26:55,957 INFO L? ?]: Removed 6118 outVars from TransFormulas that were not future-live. [2024-12-06 03:26:55,957 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:27:11,583 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:27:11,583 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:27:11,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:27:11 BoogieIcfgContainer [2024-12-06 03:27:11,583 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:27:11,584 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:27:11,584 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:27:11,590 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:27:11,590 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:27:11" (1/1) ... [2024-12-06 03:27:11,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:27:11,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:27:11,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 03:27:11,644 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 03:27:11,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:27:11,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:27:11,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:27:13,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:21,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:27:32,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:27:42,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:27:45,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.08s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:27:48,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:27:53,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.35s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:28:03,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:28:03,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:28:03,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 03:28:03,985 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 03:28:03,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:28:03,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:28:03,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:33:12,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:33:12,141 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:37:19,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:37:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:37:30,408 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 03:37:30,411 INFO L158 Benchmark]: Toolchain (without parser) took 653571.49ms. Allocated memory was 117.4MB in the beginning and 2.6GB in the end (delta: 2.5GB). Free memory was 87.4MB in the beginning and 673.0MB in the end (delta: -585.6MB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2024-12-06 03:37:30,411 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:37:30,412 INFO L158 Benchmark]: CACSL2BoogieTranslator took 966.11ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 87.4MB in the beginning and 93.9MB in the end (delta: -6.5MB). Peak memory consumption was 86.2MB. Max. memory is 16.1GB. [2024-12-06 03:37:30,412 INFO L158 Benchmark]: Boogie Procedure Inliner took 1127.27ms. Allocated memory was 209.7MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 93.9MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 233.9MB. Max. memory is 16.1GB. [2024-12-06 03:37:30,413 INFO L158 Benchmark]: Boogie Preprocessor took 1003.15ms. Allocated memory is still 1.4GB. Free memory was 1.1GB in the beginning and 1.0GB in the end (delta: 64.2MB). Peak memory consumption was 121.7MB. Max. memory is 16.1GB. [2024-12-06 03:37:30,413 INFO L158 Benchmark]: RCFGBuilder took 31645.02ms. Allocated memory was 1.4GB in the beginning and 3.1GB in the end (delta: 1.8GB). Free memory was 1.0GB in the beginning and 1.1GB in the end (delta: -60.9MB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-12-06 03:37:30,413 INFO L158 Benchmark]: CodeCheck took 618825.92ms. Allocated memory was 3.1GB in the beginning and 2.6GB in the end (delta: -520.1MB). Free memory was 1.1GB in the beginning and 673.0MB in the end (delta: 421.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:37:30,416 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 0.31ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 966.11ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 87.4MB in the beginning and 93.9MB in the end (delta: -6.5MB). Peak memory consumption was 86.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1127.27ms. Allocated memory was 209.7MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 93.9MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 233.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1003.15ms. Allocated memory is still 1.4GB. Free memory was 1.1GB in the beginning and 1.0GB in the end (delta: 64.2MB). Peak memory consumption was 121.7MB. Max. memory is 16.1GB. * RCFGBuilder took 31645.02ms. Allocated memory was 1.4GB in the beginning and 3.1GB in the end (delta: 1.8GB). Free memory was 1.0GB in the beginning and 1.1GB in the end (delta: -60.9MB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. * CodeCheck took 618825.92ms. Allocated memory was 3.1GB in the beginning and 2.6GB in the end (delta: -520.1MB). Free memory was 1.1GB in the beginning and 673.0MB in the end (delta: 421.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 03:37:30,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7310f6a1-69d0-434a-b30d-7c521c48d142/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7310f6a1-69d0-434a-b30d-7c521c48d142/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7310f6a1-69d0-434a-b30d-7c521c48d142/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_7310f6a1-69d0-434a-b30d-7c521c48d142/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7310f6a1-69d0-434a-b30d-7c521c48d142/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.8.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7310f6a1-69d0-434a-b30d-7c521c48d142/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_7310f6a1-69d0-434a-b30d-7c521c48d142/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 9ef61f068a8126fec6af6cf6a211fa3dc7f8659e8a24e8da0b8d736f4ceaeaf2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:37:32,427 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:37:32,501 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7310f6a1-69d0-434a-b30d-7c521c48d142/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 03:37:32,527 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:37:32,528 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:37:32,528 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:37:32,529 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:37:32,529 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:37:32,529 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:37:32,529 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:37:32,529 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:37:32,529 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:37:32,529 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:37:32,530 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:37:32,530 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:37:32,530 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:37:32,530 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:37:32,530 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:37:32,530 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:37:32,530 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:37:32,530 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:37:32,530 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:37:32,530 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:37:32,530 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:37:32,531 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:37:32,531 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:37:32,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:37:32,531 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:37:32,531 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:37:32,531 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:37:32,532 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:37:32,532 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:37:32,532 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:37:32,532 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_7310f6a1-69d0-434a-b30d-7c521c48d142/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 -> 9ef61f068a8126fec6af6cf6a211fa3dc7f8659e8a24e8da0b8d736f4ceaeaf2 [2024-12-06 03:37:32,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:37:32,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:37:32,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:37:32,763 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:37:32,763 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:37:32,764 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7310f6a1-69d0-434a-b30d-7c521c48d142/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.8.prop1-back-serstep.c [2024-12-06 03:37:35,376 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7310f6a1-69d0-434a-b30d-7c521c48d142/bin/ukojak-verify-CZk0znPC7b/data/c2643fbd9/75e67a1550cc4bc6b073cf081ebab1b6/FLAG4661e3886 [2024-12-06 03:37:35,696 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:37:35,697 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7310f6a1-69d0-434a-b30d-7c521c48d142/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.8.prop1-back-serstep.c [2024-12-06 03:37:35,719 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7310f6a1-69d0-434a-b30d-7c521c48d142/bin/ukojak-verify-CZk0znPC7b/data/c2643fbd9/75e67a1550cc4bc6b073cf081ebab1b6/FLAG4661e3886 [2024-12-06 03:37:35,950 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7310f6a1-69d0-434a-b30d-7c521c48d142/bin/ukojak-verify-CZk0znPC7b/data/c2643fbd9/75e67a1550cc4bc6b073cf081ebab1b6 [2024-12-06 03:37:35,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:37:35,953 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:37:35,955 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:37:35,955 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:37:35,957 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:37:35,958 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:37:35" (1/1) ... [2024-12-06 03:37:35,959 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4579732d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:35, skipping insertion in model container [2024-12-06 03:37:35,959 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:37:35" (1/1) ... [2024-12-06 03:37:36,013 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:37:36,174 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_7310f6a1-69d0-434a-b30d-7c521c48d142/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.8.prop1-back-serstep.c[1172,1185] [2024-12-06 03:37:36,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:37:36,498 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:37:36,508 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_7310f6a1-69d0-434a-b30d-7c521c48d142/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.8.prop1-back-serstep.c[1172,1185] [2024-12-06 03:37:36,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:37:36,701 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:37:36,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:36 WrapperNode [2024-12-06 03:37:36,702 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:37:36,703 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:37:36,703 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:37:36,703 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:37:36,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:36" (1/1) ... [2024-12-06 03:37:36,746 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:36" (1/1) ... [2024-12-06 03:37:36,899 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3389 [2024-12-06 03:37:36,900 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:37:36,901 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:37:36,901 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:37:36,901 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:37:36,908 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:36" (1/1) ... [2024-12-06 03:37:36,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:36" (1/1) ... [2024-12-06 03:37:36,925 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:36" (1/1) ... [2024-12-06 03:37:36,925 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:36" (1/1) ... [2024-12-06 03:37:36,981 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:36" (1/1) ... [2024-12-06 03:37:36,986 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:36" (1/1) ... [2024-12-06 03:37:36,991 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:36" (1/1) ... [2024-12-06 03:37:37,001 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:36" (1/1) ... [2024-12-06 03:37:37,011 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:36" (1/1) ... [2024-12-06 03:37:37,030 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:37:37,031 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:37:37,031 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:37:37,031 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:37:37,032 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:36" (1/1) ... [2024-12-06 03:37:37,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:37:37,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7310f6a1-69d0-434a-b30d-7c521c48d142/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:37:37,061 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7310f6a1-69d0-434a-b30d-7c521c48d142/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:37:37,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7310f6a1-69d0-434a-b30d-7c521c48d142/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:37:37,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:37:37,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:37:37,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:37:37,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:37:37,597 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:37:37,599 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:37:41,608 INFO L? ?]: Removed 310 outVars from TransFormulas that were not future-live. [2024-12-06 03:37:41,608 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:37:41,706 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:37:41,706 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:37:41,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:37:41 BoogieIcfgContainer [2024-12-06 03:37:41,707 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:37:41,708 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:37:41,708 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:37:41,716 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:37:41,717 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:37:41" (1/1) ... [2024-12-06 03:37:41,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:37:41,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:37:41,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 03:37:41,768 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 03:37:41,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:37:41,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:37:41,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:37:41,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7310f6a1-69d0-434a-b30d-7c521c48d142/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:37:41,773 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7310f6a1-69d0-434a-b30d-7c521c48d142/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:37:41,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7310f6a1-69d0-434a-b30d-7c521c48d142/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:37:42,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:37:42,703 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:37:42,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:37:42,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 03:37:42,980 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:37:43,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:37:43,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7310f6a1-69d0-434a-b30d-7c521c48d142/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:37:43,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:37:43,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 03:37:43,435 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 03:37:43,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:37:43,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:37:43,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:37:43,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7310f6a1-69d0-434a-b30d-7c521c48d142/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:37:43,438 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7310f6a1-69d0-434a-b30d-7c521c48d142/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:37:43,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7310f6a1-69d0-434a-b30d-7c521c48d142/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:37:44,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:37:44,749 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:37:45,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:37:45,233 INFO L256 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 111 conjuncts are in the unsatisfiable core [2024-12-06 03:37:45,264 INFO L279 TraceCheckSpWp]: Computing forward predicates...