./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop2-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/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_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop2-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/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_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/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 3c46b6af7e69d6176f1a58124b2f0d05ec0120d87716a4eba24e0a69fde0675e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:14:31,455 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:14:31,511 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 04:14:31,516 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:14:31,516 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:14:31,536 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:14:31,536 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:14:31,537 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:14:31,537 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:14:31,537 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:14:31,537 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:14:31,537 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:14:31,538 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:14:31,538 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:14:31,538 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:14:31,538 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:14:31,538 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:14:31,538 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:14:31,538 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:14:31,538 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:14:31,538 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:14:31,538 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:14:31,539 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:14:31,539 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:14:31,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:14:31,539 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:14:31,539 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:14:31,539 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:14:31,539 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:14:31,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:14:31,539 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_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/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 -> 3c46b6af7e69d6176f1a58124b2f0d05ec0120d87716a4eba24e0a69fde0675e [2024-12-06 04:14:31,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:14:31,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:14:31,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:14:31,764 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:14:31,765 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:14:31,766 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop2-back-serstep.c [2024-12-06 04:14:34,414 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/bin/ukojak-verify-CZk0znPC7b/data/9a95e51e1/b6a16e25741d47a6bf7272ae33d4554e/FLAG705dbfc99 [2024-12-06 04:14:34,720 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:14:34,720 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop2-back-serstep.c [2024-12-06 04:14:34,742 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/bin/ukojak-verify-CZk0znPC7b/data/9a95e51e1/b6a16e25741d47a6bf7272ae33d4554e/FLAG705dbfc99 [2024-12-06 04:14:34,757 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/bin/ukojak-verify-CZk0znPC7b/data/9a95e51e1/b6a16e25741d47a6bf7272ae33d4554e [2024-12-06 04:14:34,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:14:34,761 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:14:34,762 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:14:34,762 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:14:34,767 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:14:34,768 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:14:34" (1/1) ... [2024-12-06 04:14:34,768 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27c24db4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:34, skipping insertion in model container [2024-12-06 04:14:34,769 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:14:34" (1/1) ... [2024-12-06 04:14:34,831 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:14:35,007 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_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop2-back-serstep.c[1172,1185] [2024-12-06 04:14:35,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:14:35,384 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:14:35,391 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_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop2-back-serstep.c[1172,1185] [2024-12-06 04:14:35,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:14:35,584 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:14:35,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:35 WrapperNode [2024-12-06 04:14:35,584 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:14:35,585 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:14:35,585 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:14:35,585 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:14:35,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:35" (1/1) ... [2024-12-06 04:14:35,649 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:35" (1/1) ... [2024-12-06 04:14:36,334 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11616 [2024-12-06 04:14:36,334 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:14:36,335 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:14:36,335 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:14:36,335 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:14:36,340 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:35" (1/1) ... [2024-12-06 04:14:36,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:35" (1/1) ... [2024-12-06 04:14:36,568 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:35" (1/1) ... [2024-12-06 04:14:36,568 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:35" (1/1) ... [2024-12-06 04:14:36,864 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:35" (1/1) ... [2024-12-06 04:14:36,918 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:35" (1/1) ... [2024-12-06 04:14:37,046 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:35" (1/1) ... [2024-12-06 04:14:37,098 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:35" (1/1) ... [2024-12-06 04:14:37,146 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:35" (1/1) ... [2024-12-06 04:14:37,337 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:14:37,339 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:14:37,339 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:14:37,339 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:14:37,340 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:14:35" (1/1) ... [2024-12-06 04:14:37,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:14:37,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:14:37,370 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:14:37,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:14:37,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:14:37,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:14:37,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:14:37,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:14:37,967 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:14:37,969 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:14:53,737 INFO L? ?]: Removed 6187 outVars from TransFormulas that were not future-live. [2024-12-06 04:14:53,738 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:15:10,968 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:15:10,969 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:15:10,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:15:10 BoogieIcfgContainer [2024-12-06 04:15:10,969 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:15:10,970 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:15:10,970 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:15:10,979 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:15:10,979 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:15:10" (1/1) ... [2024-12-06 04:15:10,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:15:11,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:15:11,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 04:15:11,032 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 04:15:11,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:15:11,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:15:11,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:15:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:15:14,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:15:25,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:15:35,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:15:36,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:15:41,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.94s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:15:50,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:16:00,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:16:01,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:16:01,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 04:16:01,036 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 04:16:01,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:16:01,036 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:16:01,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:20:28,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:20:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:20:39,618 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 04:20:39,623 INFO L158 Benchmark]: Toolchain (without parser) took 364861.83ms. Allocated memory was 142.6MB in the beginning and 6.1GB in the end (delta: 6.0GB). Free memory was 112.9MB in the beginning and 4.7GB in the end (delta: -4.6GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-12-06 04:20:39,623 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:20:39,624 INFO L158 Benchmark]: CACSL2BoogieTranslator took 822.35ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 112.9MB in the beginning and 70.4MB in the end (delta: 42.5MB). Peak memory consumption was 118.5MB. Max. memory is 16.1GB. [2024-12-06 04:20:39,625 INFO L158 Benchmark]: Boogie Procedure Inliner took 749.14ms. Allocated memory was 151.0MB in the beginning and 377.5MB in the end (delta: 226.5MB). Free memory was 70.4MB in the beginning and 150.3MB in the end (delta: -79.9MB). Peak memory consumption was 228.5MB. Max. memory is 16.1GB. [2024-12-06 04:20:39,625 INFO L158 Benchmark]: Boogie Preprocessor took 1003.07ms. Allocated memory was 377.5MB in the beginning and 813.7MB in the end (delta: 436.2MB). Free memory was 150.3MB in the beginning and 524.9MB in the end (delta: -374.5MB). Peak memory consumption was 99.4MB. Max. memory is 16.1GB. [2024-12-06 04:20:39,626 INFO L158 Benchmark]: RCFGBuilder took 33630.57ms. Allocated memory was 813.7MB in the beginning and 3.1GB in the end (delta: 2.3GB). Free memory was 524.9MB in the beginning and 1.8GB in the end (delta: -1.3GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2024-12-06 04:20:39,627 INFO L158 Benchmark]: CodeCheck took 328651.85ms. Allocated memory was 3.1GB in the beginning and 6.1GB in the end (delta: 3.0GB). Free memory was 1.8GB in the beginning and 4.7GB in the end (delta: -2.9GB). Peak memory consumption was 155.3MB. Max. memory is 16.1GB. [2024-12-06 04:20:39,630 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 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 822.35ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 112.9MB in the beginning and 70.4MB in the end (delta: 42.5MB). Peak memory consumption was 118.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 749.14ms. Allocated memory was 151.0MB in the beginning and 377.5MB in the end (delta: 226.5MB). Free memory was 70.4MB in the beginning and 150.3MB in the end (delta: -79.9MB). Peak memory consumption was 228.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1003.07ms. Allocated memory was 377.5MB in the beginning and 813.7MB in the end (delta: 436.2MB). Free memory was 150.3MB in the beginning and 524.9MB in the end (delta: -374.5MB). Peak memory consumption was 99.4MB. Max. memory is 16.1GB. * RCFGBuilder took 33630.57ms. Allocated memory was 813.7MB in the beginning and 3.1GB in the end (delta: 2.3GB). Free memory was 524.9MB in the beginning and 1.8GB in the end (delta: -1.3GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. * CodeCheck took 328651.85ms. Allocated memory was 3.1GB in the beginning and 6.1GB in the end (delta: 3.0GB). Free memory was 1.8GB in the beginning and 4.7GB in the end (delta: -2.9GB). Peak memory consumption was 155.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 04:20:39,838 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 04:20:39,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/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_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/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_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop2-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/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_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/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 3c46b6af7e69d6176f1a58124b2f0d05ec0120d87716a4eba24e0a69fde0675e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:20:41,922 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:20:42,001 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 04:20:42,027 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:20:42,028 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:20:42,028 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:20:42,028 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:20:42,029 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:20:42,029 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:20:42,029 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:20:42,029 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:20:42,029 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:20:42,029 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:20:42,029 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:20:42,029 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:20:42,029 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:20:42,029 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:20:42,029 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:20:42,030 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:20:42,030 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:20:42,030 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:20:42,030 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:20:42,030 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:20:42,030 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:42,030 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:20:42,030 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:20:42,030 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:20:42,030 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:20:42,031 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:20:42,031 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:20:42,031 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:20:42,031 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:42,031 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:20:42,031 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_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/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 -> 3c46b6af7e69d6176f1a58124b2f0d05ec0120d87716a4eba24e0a69fde0675e [2024-12-06 04:20:42,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:20:42,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:20:42,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:20:42,288 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:20:42,289 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:20:42,290 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop2-back-serstep.c [2024-12-06 04:20:44,970 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/bin/ukojak-verify-CZk0znPC7b/data/ed5fb3ec4/1e30e0375b914b519610517d86d25961/FLAG6780147e0 [2024-12-06 04:20:45,253 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:20:45,254 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop2-back-serstep.c [2024-12-06 04:20:45,274 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/bin/ukojak-verify-CZk0znPC7b/data/ed5fb3ec4/1e30e0375b914b519610517d86d25961/FLAG6780147e0 [2024-12-06 04:20:45,288 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/bin/ukojak-verify-CZk0znPC7b/data/ed5fb3ec4/1e30e0375b914b519610517d86d25961 [2024-12-06 04:20:45,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:20:45,292 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:20:45,293 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:20:45,293 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:20:45,297 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:20:45,298 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:20:45" (1/1) ... [2024-12-06 04:20:45,299 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e0de68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:20:45, skipping insertion in model container [2024-12-06 04:20:45,299 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:20:45" (1/1) ... [2024-12-06 04:20:45,350 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:20:45,521 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_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop2-back-serstep.c[1172,1185] [2024-12-06 04:20:45,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:20:45,847 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:20:45,857 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_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop2-back-serstep.c[1172,1185] [2024-12-06 04:20:46,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:20:46,051 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:20:46,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:20:46 WrapperNode [2024-12-06 04:20:46,051 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:20:46,052 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:20:46,052 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:20:46,053 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:20:46,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:20:46" (1/1) ... [2024-12-06 04:20:46,101 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:20:46" (1/1) ... [2024-12-06 04:20:46,212 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3316 [2024-12-06 04:20:46,213 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:20:46,213 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:20:46,213 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:20:46,213 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:20:46,220 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:20:46" (1/1) ... [2024-12-06 04:20:46,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:20:46" (1/1) ... [2024-12-06 04:20:46,238 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:20:46" (1/1) ... [2024-12-06 04:20:46,238 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:20:46" (1/1) ... [2024-12-06 04:20:46,311 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:20:46" (1/1) ... [2024-12-06 04:20:46,315 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:20:46" (1/1) ... [2024-12-06 04:20:46,320 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:20:46" (1/1) ... [2024-12-06 04:20:46,330 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:20:46" (1/1) ... [2024-12-06 04:20:46,338 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:20:46" (1/1) ... [2024-12-06 04:20:46,354 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:20:46,354 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:20:46,355 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:20:46,355 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:20:46,355 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:20:46" (1/1) ... [2024-12-06 04:20:46,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:20:46,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:20:46,402 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:20:46,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:20:46,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:20:46,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:20:46,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:20:46,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:20:46,892 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:20:46,894 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:20:51,335 INFO L? ?]: Removed 316 outVars from TransFormulas that were not future-live. [2024-12-06 04:20:51,335 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:20:51,396 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:20:51,396 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:20:51,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:20:51 BoogieIcfgContainer [2024-12-06 04:20:51,397 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:20:51,397 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:20:51,397 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:20:51,404 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:20:51,405 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:20:51" (1/1) ... [2024-12-06 04:20:51,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:20:51,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:51,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 04:20:51,445 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 04:20:51,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:20:51,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:51,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:51,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:51,450 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:51,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:20:52,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:52,372 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:20:52,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:52,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 04:20:52,654 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:20:52,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:20:52,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 04:20:53,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:53,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 04:20:53,618 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 04:20:53,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:20:53,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:53,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:53,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:53,620 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:53,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec7d6fe-de8e-45fc-9d42-f580fdc07256/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 04:20:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:55,190 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:20:55,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:55,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 83 conjuncts are in the unsatisfiable core [2024-12-06 04:20:55,707 INFO L279 TraceCheckSpWp]: Computing forward predicates...