./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.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_12191133-7652-4026-b879-c6ec14831be4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12191133-7652-4026-b879-c6ec14831be4/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_12191133-7652-4026-b879-c6ec14831be4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12191133-7652-4026-b879-c6ec14831be4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12191133-7652-4026-b879-c6ec14831be4/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_12191133-7652-4026-b879-c6ec14831be4/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 0171d493f02a2e18e1cc19cbb83796da3fff4de8475d1760fa98ce0b4ed2da74 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:47:13,155 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:47:13,210 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12191133-7652-4026-b879-c6ec14831be4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 23:47:13,215 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:47:13,215 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:47:13,234 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:47:13,235 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:47:13,235 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:47:13,236 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:47:13,236 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:47:13,236 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:47:13,236 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:47:13,236 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:47:13,236 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:47:13,236 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:47:13,236 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:47:13,237 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:47:13,237 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:47:13,237 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:47:13,237 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:47:13,237 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:47:13,237 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:47:13,237 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:47:13,237 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:47:13,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:47:13,237 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:47:13,238 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:47:13,238 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:47:13,238 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:47:13,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:47:13,238 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_12191133-7652-4026-b879-c6ec14831be4/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 -> 0171d493f02a2e18e1cc19cbb83796da3fff4de8475d1760fa98ce0b4ed2da74 [2024-12-05 23:47:13,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:47:13,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:47:13,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:47:13,470 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:47:13,471 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:47:13,471 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12191133-7652-4026-b879-c6ec14831be4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.2.prop1-back-serstep.c [2024-12-05 23:47:16,074 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12191133-7652-4026-b879-c6ec14831be4/bin/ukojak-verify-CZk0znPC7b/data/297bbb3c9/935e09869f09493387528face6a84c62/FLAGc5db3185a [2024-12-05 23:47:16,377 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:47:16,377 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12191133-7652-4026-b879-c6ec14831be4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.2.prop1-back-serstep.c [2024-12-05 23:47:16,391 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12191133-7652-4026-b879-c6ec14831be4/bin/ukojak-verify-CZk0znPC7b/data/297bbb3c9/935e09869f09493387528face6a84c62/FLAGc5db3185a [2024-12-05 23:47:16,653 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12191133-7652-4026-b879-c6ec14831be4/bin/ukojak-verify-CZk0znPC7b/data/297bbb3c9/935e09869f09493387528face6a84c62 [2024-12-05 23:47:16,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:47:16,657 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:47:16,658 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:47:16,658 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:47:16,662 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:47:16,663 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:47:16" (1/1) ... [2024-12-05 23:47:16,664 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ca77c9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:16, skipping insertion in model container [2024-12-05 23:47:16,664 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:47:16" (1/1) ... [2024-12-05 23:47:16,704 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:47:16,847 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_12191133-7652-4026-b879-c6ec14831be4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.2.prop1-back-serstep.c[1176,1189] [2024-12-05 23:47:17,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:47:17,095 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:47:17,102 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_12191133-7652-4026-b879-c6ec14831be4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.2.prop1-back-serstep.c[1176,1189] [2024-12-05 23:47:17,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:47:17,274 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:47:17,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:17 WrapperNode [2024-12-05 23:47:17,274 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:47:17,275 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:47:17,275 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:47:17,275 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:47:17,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:17" (1/1) ... [2024-12-05 23:47:17,328 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:17" (1/1) ... [2024-12-05 23:47:17,765 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5642 [2024-12-05 23:47:17,766 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:47:17,766 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:47:17,766 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:47:17,766 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:47:17,772 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:17" (1/1) ... [2024-12-05 23:47:17,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:17" (1/1) ... [2024-12-05 23:47:17,858 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:17" (1/1) ... [2024-12-05 23:47:17,859 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:17" (1/1) ... [2024-12-05 23:47:18,045 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:17" (1/1) ... [2024-12-05 23:47:18,073 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:17" (1/1) ... [2024-12-05 23:47:18,096 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:17" (1/1) ... [2024-12-05 23:47:18,131 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:17" (1/1) ... [2024-12-05 23:47:18,148 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:17" (1/1) ... [2024-12-05 23:47:18,216 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:47:18,216 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:47:18,216 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:47:18,216 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:47:18,217 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:17" (1/1) ... [2024-12-05 23:47:18,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:47:18,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12191133-7652-4026-b879-c6ec14831be4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:47:18,243 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12191133-7652-4026-b879-c6ec14831be4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:47:18,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12191133-7652-4026-b879-c6ec14831be4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:47:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:47:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:47:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:47:18,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:47:18,612 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:47:18,614 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:47:24,574 INFO L? ?]: Removed 3084 outVars from TransFormulas that were not future-live. [2024-12-05 23:47:24,574 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:47:30,940 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:47:30,940 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:47:30,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:47:30 BoogieIcfgContainer [2024-12-05 23:47:30,940 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:47:30,941 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:47:30,941 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:47:30,950 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:47:30,950 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:47:30" (1/1) ... [2024-12-05 23:47:30,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:47:30,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:47:31,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 23:47:31,001 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 23:47:31,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:47:31,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:47:31,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:47:31,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:47:36,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:47:46,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:47:56,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:48:08,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.45s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:48:08,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:48:08,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-05 23:48:08,126 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-05 23:48:08,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:48:08,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:48:08,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:49:11,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:49:11,564 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:50:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:50:16,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:50:17,014 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 23:50:17,018 INFO L158 Benchmark]: Toolchain (without parser) took 180361.20ms. Allocated memory was 142.6MB in the beginning and 2.7GB in the end (delta: 2.6GB). Free memory was 114.6MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-12-05 23:50:17,018 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:50:17,019 INFO L158 Benchmark]: CACSL2BoogieTranslator took 616.94ms. Allocated memory is still 142.6MB. Free memory was 114.3MB in the beginning and 87.5MB in the end (delta: 26.8MB). Peak memory consumption was 88.6MB. Max. memory is 16.1GB. [2024-12-05 23:50:17,019 INFO L158 Benchmark]: Boogie Procedure Inliner took 490.50ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 87.5MB in the beginning and 162.4MB in the end (delta: -74.8MB). Peak memory consumption was 94.8MB. Max. memory is 16.1GB. [2024-12-05 23:50:17,020 INFO L158 Benchmark]: Boogie Preprocessor took 449.54ms. Allocated memory is still 310.4MB. Free memory was 162.4MB in the beginning and 144.7MB in the end (delta: 17.7MB). Peak memory consumption was 87.6MB. Max. memory is 16.1GB. [2024-12-05 23:50:17,020 INFO L158 Benchmark]: RCFGBuilder took 12724.08ms. Allocated memory was 310.4MB in the beginning and 897.6MB in the end (delta: 587.2MB). Free memory was 144.7MB in the beginning and 531.3MB in the end (delta: -386.6MB). Peak memory consumption was 734.7MB. Max. memory is 16.1GB. [2024-12-05 23:50:17,021 INFO L158 Benchmark]: CodeCheck took 166076.18ms. Allocated memory was 897.6MB in the beginning and 2.7GB in the end (delta: 1.8GB). Free memory was 531.3MB in the beginning and 1.6GB in the end (delta: -1.1GB). Peak memory consumption was 764.5MB. Max. memory is 16.1GB. [2024-12-05 23:50:17,024 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 0.21ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 616.94ms. Allocated memory is still 142.6MB. Free memory was 114.3MB in the beginning and 87.5MB in the end (delta: 26.8MB). Peak memory consumption was 88.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 490.50ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 87.5MB in the beginning and 162.4MB in the end (delta: -74.8MB). Peak memory consumption was 94.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 449.54ms. Allocated memory is still 310.4MB. Free memory was 162.4MB in the beginning and 144.7MB in the end (delta: 17.7MB). Peak memory consumption was 87.6MB. Max. memory is 16.1GB. * RCFGBuilder took 12724.08ms. Allocated memory was 310.4MB in the beginning and 897.6MB in the end (delta: 587.2MB). Free memory was 144.7MB in the beginning and 531.3MB in the end (delta: -386.6MB). Peak memory consumption was 734.7MB. Max. memory is 16.1GB. * CodeCheck took 166076.18ms. Allocated memory was 897.6MB in the beginning and 2.7GB in the end (delta: 1.8GB). Free memory was 531.3MB in the beginning and 1.6GB in the end (delta: -1.1GB). Peak memory consumption was 764.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 23:50:17,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12191133-7652-4026-b879-c6ec14831be4/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_12191133-7652-4026-b879-c6ec14831be4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12191133-7652-4026-b879-c6ec14831be4/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_12191133-7652-4026-b879-c6ec14831be4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12191133-7652-4026-b879-c6ec14831be4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12191133-7652-4026-b879-c6ec14831be4/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_12191133-7652-4026-b879-c6ec14831be4/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 0171d493f02a2e18e1cc19cbb83796da3fff4de8475d1760fa98ce0b4ed2da74 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:50:19,075 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:50:19,148 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12191133-7652-4026-b879-c6ec14831be4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-05 23:50:19,170 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:50:19,171 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:50:19,171 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:50:19,172 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:50:19,172 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:50:19,172 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:50:19,172 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:50:19,172 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:50:19,172 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:50:19,172 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:50:19,172 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:50:19,173 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:50:19,173 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:50:19,173 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:50:19,173 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:50:19,173 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:50:19,173 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:50:19,173 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:50:19,173 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:50:19,173 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:50:19,173 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:50:19,173 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:50:19,174 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:50:19,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:50:19,174 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:50:19,174 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:50:19,174 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:50:19,174 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:50:19,174 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:50:19,174 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:50:19,174 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_12191133-7652-4026-b879-c6ec14831be4/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 -> 0171d493f02a2e18e1cc19cbb83796da3fff4de8475d1760fa98ce0b4ed2da74 [2024-12-05 23:50:19,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:50:19,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:50:19,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:50:19,422 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:50:19,423 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:50:19,424 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12191133-7652-4026-b879-c6ec14831be4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.2.prop1-back-serstep.c [2024-12-05 23:50:22,129 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12191133-7652-4026-b879-c6ec14831be4/bin/ukojak-verify-CZk0znPC7b/data/62abbd41d/fdb4969a977e485bb7e6ece9eaf174bf/FLAGb4f06fa98 [2024-12-05 23:50:22,394 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:50:22,395 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12191133-7652-4026-b879-c6ec14831be4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.2.prop1-back-serstep.c [2024-12-05 23:50:22,409 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12191133-7652-4026-b879-c6ec14831be4/bin/ukojak-verify-CZk0znPC7b/data/62abbd41d/fdb4969a977e485bb7e6ece9eaf174bf/FLAGb4f06fa98 [2024-12-05 23:50:22,423 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12191133-7652-4026-b879-c6ec14831be4/bin/ukojak-verify-CZk0znPC7b/data/62abbd41d/fdb4969a977e485bb7e6ece9eaf174bf [2024-12-05 23:50:22,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:50:22,426 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:50:22,427 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:50:22,427 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:50:22,431 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:50:22,432 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:50:22" (1/1) ... [2024-12-05 23:50:22,433 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62fc91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:22, skipping insertion in model container [2024-12-05 23:50:22,433 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:50:22" (1/1) ... [2024-12-05 23:50:22,470 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:50:22,614 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_12191133-7652-4026-b879-c6ec14831be4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.2.prop1-back-serstep.c[1176,1189] [2024-12-05 23:50:22,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:50:22,867 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:50:22,874 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_12191133-7652-4026-b879-c6ec14831be4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.2.prop1-back-serstep.c[1176,1189] [2024-12-05 23:50:22,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:50:22,996 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:50:22,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:22 WrapperNode [2024-12-05 23:50:22,996 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:50:22,997 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:50:22,997 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:50:22,997 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:50:23,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:22" (1/1) ... [2024-12-05 23:50:23,027 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:22" (1/1) ... [2024-12-05 23:50:23,106 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1858 [2024-12-05 23:50:23,106 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:50:23,107 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:50:23,107 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:50:23,107 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:50:23,114 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:22" (1/1) ... [2024-12-05 23:50:23,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:22" (1/1) ... [2024-12-05 23:50:23,125 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:22" (1/1) ... [2024-12-05 23:50:23,125 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:22" (1/1) ... [2024-12-05 23:50:23,156 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:22" (1/1) ... [2024-12-05 23:50:23,160 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:22" (1/1) ... [2024-12-05 23:50:23,165 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:22" (1/1) ... [2024-12-05 23:50:23,171 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:22" (1/1) ... [2024-12-05 23:50:23,177 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:22" (1/1) ... [2024-12-05 23:50:23,189 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:50:23,190 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:50:23,190 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:50:23,190 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:50:23,191 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:50:22" (1/1) ... [2024-12-05 23:50:23,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:50:23,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12191133-7652-4026-b879-c6ec14831be4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:50:23,219 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12191133-7652-4026-b879-c6ec14831be4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:50:23,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12191133-7652-4026-b879-c6ec14831be4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:50:23,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:50:23,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:50:23,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:50:23,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:50:23,567 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:50:23,569 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:50:25,514 INFO L? ?]: Removed 207 outVars from TransFormulas that were not future-live. [2024-12-05 23:50:25,514 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:50:25,565 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:50:25,565 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:50:25,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:50:25 BoogieIcfgContainer [2024-12-05 23:50:25,565 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:50:25,566 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:50:25,566 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:50:25,574 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:50:25,574 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:50:25" (1/1) ... [2024-12-05 23:50:25,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:50:25,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:50:25,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 23:50:25,618 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 23:50:25,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:50:25,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:50:25,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:50:25,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12191133-7652-4026-b879-c6ec14831be4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:50:25,622 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12191133-7652-4026-b879-c6ec14831be4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:50:25,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12191133-7652-4026-b879-c6ec14831be4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:50:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:50:26,256 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:50:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:50:26,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 23:50:26,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:50:26,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:50:26,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12191133-7652-4026-b879-c6ec14831be4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:50:26,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:50:26,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 23:50:26,810 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 23:50:26,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:50:26,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:50:26,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:50:26,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12191133-7652-4026-b879-c6ec14831be4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:50:26,813 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12191133-7652-4026-b879-c6ec14831be4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:50:26,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12191133-7652-4026-b879-c6ec14831be4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 23:50:27,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:50:27,783 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:50:28,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:50:28,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 76 conjuncts are in the unsatisfiable core [2024-12-05 23:50:28,136 INFO L279 TraceCheckSpWp]: Computing forward predicates...