./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.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_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/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_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/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_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/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 15e50c4422fbdcc7f9baa3afdb7aee99e74c837d308fff82a9d2339c1e3d543a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:56:22,593 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:56:22,643 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 21:56:22,647 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:56:22,647 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:56:22,665 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:56:22,665 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:56:22,665 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:56:22,666 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:56:22,666 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:56:22,666 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:56:22,666 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:56:22,666 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:56:22,666 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:56:22,666 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:56:22,666 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:56:22,666 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:56:22,666 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:56:22,667 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:56:22,667 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:56:22,667 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:56:22,667 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:56:22,667 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:56:22,667 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:56:22,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:56:22,667 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:56:22,667 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:56:22,667 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:56:22,667 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:56:22,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:56:22,667 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_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/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 -> 15e50c4422fbdcc7f9baa3afdb7aee99e74c837d308fff82a9d2339c1e3d543a [2024-12-05 21:56:22,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:56:22,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:56:22,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:56:22,899 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:56:22,900 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:56:22,901 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-back-serstep.c [2024-12-05 21:56:25,523 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/bin/ukojak-verify-CZk0znPC7b/data/1eeb9ab47/7df69b362e644640b149bf2f60345cc0/FLAGf4dcea37b [2024-12-05 21:56:25,812 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:56:25,813 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-back-serstep.c [2024-12-05 21:56:25,832 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/bin/ukojak-verify-CZk0znPC7b/data/1eeb9ab47/7df69b362e644640b149bf2f60345cc0/FLAGf4dcea37b [2024-12-05 21:56:26,087 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/bin/ukojak-verify-CZk0znPC7b/data/1eeb9ab47/7df69b362e644640b149bf2f60345cc0 [2024-12-05 21:56:26,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:56:26,090 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:56:26,091 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:56:26,091 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:56:26,094 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:56:26,094 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:56:26" (1/1) ... [2024-12-05 21:56:26,095 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a2844e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:26, skipping insertion in model container [2024-12-05 21:56:26,095 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:56:26" (1/1) ... [2024-12-05 21:56:26,144 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:56:26,307 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_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-back-serstep.c[1184,1197] [2024-12-05 21:56:26,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:56:26,639 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:56:26,646 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_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-back-serstep.c[1184,1197] [2024-12-05 21:56:26,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:56:26,819 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:56:26,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:26 WrapperNode [2024-12-05 21:56:26,820 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:56:26,821 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:56:26,821 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:56:26,821 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:56:26,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:26" (1/1) ... [2024-12-05 21:56:26,878 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:26" (1/1) ... [2024-12-05 21:56:27,641 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8700 [2024-12-05 21:56:27,642 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:56:27,642 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:56:27,642 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:56:27,642 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:56:27,648 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:26" (1/1) ... [2024-12-05 21:56:27,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:26" (1/1) ... [2024-12-05 21:56:27,801 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:26" (1/1) ... [2024-12-05 21:56:27,801 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:26" (1/1) ... [2024-12-05 21:56:28,087 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:26" (1/1) ... [2024-12-05 21:56:28,133 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:26" (1/1) ... [2024-12-05 21:56:28,191 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:26" (1/1) ... [2024-12-05 21:56:28,255 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:26" (1/1) ... [2024-12-05 21:56:28,291 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:26" (1/1) ... [2024-12-05 21:56:28,418 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:56:28,419 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:56:28,419 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:56:28,419 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:56:28,420 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:26" (1/1) ... [2024-12-05 21:56:28,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:56:28,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:56:28,453 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:56:28,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:56:28,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:56:28,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:56:28,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:56:28,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:56:28,955 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:56:28,956 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:56:39,379 INFO L? ?]: Removed 4741 outVars from TransFormulas that were not future-live. [2024-12-05 21:56:39,379 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:56:52,572 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:56:52,572 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 21:56:52,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:56:52 BoogieIcfgContainer [2024-12-05 21:56:52,573 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:56:52,574 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:56:52,574 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:56:52,583 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:56:52,583 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:56:52" (1/1) ... [2024-12-05 21:56:52,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:56:52,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:56:52,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 21:56:52,632 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 21:56:52,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 21:56:52,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:56:52,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:56:54,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:56:57,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:57:07,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:57:17,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:57:20,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:57:22,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:57:32,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:57:42,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:57:42,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:57:42,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-05 21:57:42,566 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-05 21:57:42,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 21:57:42,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:57:42,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:00:03,686 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:02:22,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:02:33,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:02:33,172 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 22:02:33,174 INFO L158 Benchmark]: Toolchain (without parser) took 367084.38ms. Allocated memory was 117.4MB in the beginning and 3.4GB in the end (delta: 3.3GB). Free memory was 89.0MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. [2024-12-05 22:02:33,175 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:02:33,175 INFO L158 Benchmark]: CACSL2BoogieTranslator took 729.40ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 88.8MB in the beginning and 76.7MB in the end (delta: 12.0MB). Peak memory consumption was 95.4MB. Max. memory is 16.1GB. [2024-12-05 22:02:33,176 INFO L158 Benchmark]: Boogie Procedure Inliner took 821.13ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 76.7MB in the beginning and 160.3MB in the end (delta: -83.6MB). Peak memory consumption was 239.4MB. Max. memory is 16.1GB. [2024-12-05 22:02:33,176 INFO L158 Benchmark]: Boogie Preprocessor took 775.73ms. Allocated memory was 352.3MB in the beginning and 369.1MB in the end (delta: 16.8MB). Free memory was 160.3MB in the beginning and 126.3MB in the end (delta: 34.1MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. [2024-12-05 22:02:33,176 INFO L158 Benchmark]: RCFGBuilder took 24153.91ms. Allocated memory was 369.1MB in the beginning and 1.5GB in the end (delta: 1.1GB). Free memory was 126.3MB in the beginning and 504.0MB in the end (delta: -377.8MB). Peak memory consumption was 812.1MB. Max. memory is 16.1GB. [2024-12-05 22:02:33,177 INFO L158 Benchmark]: CodeCheck took 340600.25ms. Allocated memory was 1.5GB in the beginning and 3.4GB in the end (delta: 2.0GB). Free memory was 504.0MB in the beginning and 1.4GB in the end (delta: -918.1MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-12-05 22:02:33,179 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 0.26ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 729.40ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 88.8MB in the beginning and 76.7MB in the end (delta: 12.0MB). Peak memory consumption was 95.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 821.13ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 76.7MB in the beginning and 160.3MB in the end (delta: -83.6MB). Peak memory consumption was 239.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 775.73ms. Allocated memory was 352.3MB in the beginning and 369.1MB in the end (delta: 16.8MB). Free memory was 160.3MB in the beginning and 126.3MB in the end (delta: 34.1MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. * RCFGBuilder took 24153.91ms. Allocated memory was 369.1MB in the beginning and 1.5GB in the end (delta: 1.1GB). Free memory was 126.3MB in the beginning and 504.0MB in the end (delta: -377.8MB). Peak memory consumption was 812.1MB. Max. memory is 16.1GB. * CodeCheck took 340600.25ms. Allocated memory was 1.5GB in the beginning and 3.4GB in the end (delta: 2.0GB). Free memory was 504.0MB in the beginning and 1.4GB in the end (delta: -918.1MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 22:02:33,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/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_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/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_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/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_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/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 15e50c4422fbdcc7f9baa3afdb7aee99e74c837d308fff82a9d2339c1e3d543a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:02:35,291 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:02:35,376 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-05 22:02:35,402 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:02:35,402 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:02:35,403 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:02:35,403 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:02:35,403 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:02:35,403 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:02:35,403 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:02:35,403 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:02:35,403 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:02:35,403 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:02:35,404 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:02:35,404 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:02:35,404 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:02:35,404 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:02:35,404 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:02:35,404 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:02:35,404 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:02:35,404 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:02:35,404 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:02:35,404 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:02:35,404 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:02:35,405 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:02:35,405 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:02:35,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:02:35,405 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:02:35,405 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:02:35,405 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:02:35,405 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:02:35,406 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:02:35,406 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:02:35,406 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_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/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 -> 15e50c4422fbdcc7f9baa3afdb7aee99e74c837d308fff82a9d2339c1e3d543a [2024-12-05 22:02:35,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:02:35,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:02:35,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:02:35,674 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:02:35,674 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:02:35,675 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-back-serstep.c [2024-12-05 22:02:38,406 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/bin/ukojak-verify-CZk0znPC7b/data/c4787488c/bf29f32be0284703889341e5c58e065d/FLAGc077f4d87 [2024-12-05 22:02:38,692 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:02:38,692 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-back-serstep.c [2024-12-05 22:02:38,710 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/bin/ukojak-verify-CZk0znPC7b/data/c4787488c/bf29f32be0284703889341e5c58e065d/FLAGc077f4d87 [2024-12-05 22:02:38,725 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/bin/ukojak-verify-CZk0znPC7b/data/c4787488c/bf29f32be0284703889341e5c58e065d [2024-12-05 22:02:38,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:02:38,729 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:02:38,730 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:02:38,731 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:02:38,735 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:02:38,736 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:02:38" (1/1) ... [2024-12-05 22:02:38,737 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20b46b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:02:38, skipping insertion in model container [2024-12-05 22:02:38,737 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:02:38" (1/1) ... [2024-12-05 22:02:38,783 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:02:38,953 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_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-back-serstep.c[1184,1197] [2024-12-05 22:02:39,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:02:39,241 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:02:39,250 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_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-back-serstep.c[1184,1197] [2024-12-05 22:02:39,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:02:39,404 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:02:39,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:02:39 WrapperNode [2024-12-05 22:02:39,405 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:02:39,405 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:02:39,406 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:02:39,406 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:02:39,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:02:39" (1/1) ... [2024-12-05 22:02:39,443 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:02:39" (1/1) ... [2024-12-05 22:02:39,540 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2660 [2024-12-05 22:02:39,541 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:02:39,541 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:02:39,541 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:02:39,541 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:02:39,549 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:02:39" (1/1) ... [2024-12-05 22:02:39,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:02:39" (1/1) ... [2024-12-05 22:02:39,564 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:02:39" (1/1) ... [2024-12-05 22:02:39,564 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:02:39" (1/1) ... [2024-12-05 22:02:39,603 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:02:39" (1/1) ... [2024-12-05 22:02:39,609 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:02:39" (1/1) ... [2024-12-05 22:02:39,614 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:02:39" (1/1) ... [2024-12-05 22:02:39,622 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:02:39" (1/1) ... [2024-12-05 22:02:39,631 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:02:39" (1/1) ... [2024-12-05 22:02:39,645 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:02:39,646 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:02:39,646 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:02:39,646 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:02:39,647 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:02:39" (1/1) ... [2024-12-05 22:02:39,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:02:39,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:02:39,676 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:02:39,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:02:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:02:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:02:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:02:39,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:02:40,116 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:02:40,118 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:02:43,027 INFO L? ?]: Removed 297 outVars from TransFormulas that were not future-live. [2024-12-05 22:02:43,028 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:02:43,136 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:02:43,136 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:02:43,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:02:43 BoogieIcfgContainer [2024-12-05 22:02:43,137 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:02:43,138 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:02:43,138 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:02:43,148 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:02:43,149 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:02:43" (1/1) ... [2024-12-05 22:02:43,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:02:43,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:02:43,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 22:02:43,205 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 22:02:43,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:02:43,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:02:43,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:02:43,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:02:43,210 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:02:43,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:02:44,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:02:44,101 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:02:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:02:44,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 22:02:44,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:02:44,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:02:44,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:02:44,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:02:44,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 22:02:44,659 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 22:02:44,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:02:44,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:02:44,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:02:44,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:02:44,662 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:02:44,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3256f0-b28c-40d4-99c8-3784c8a23eeb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 22:02:45,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:02:45,820 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:02:46,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:02:46,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 101 conjuncts are in the unsatisfiable core [2024-12-05 22:02:46,234 INFO L279 TraceCheckSpWp]: Computing forward predicates...