./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.5.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_eb555081-f9ea-4915-bb2f-745bd216fbe5/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb555081-f9ea-4915-bb2f-745bd216fbe5/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_eb555081-f9ea-4915-bb2f-745bd216fbe5/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb555081-f9ea-4915-bb2f-745bd216fbe5/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.5.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb555081-f9ea-4915-bb2f-745bd216fbe5/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_eb555081-f9ea-4915-bb2f-745bd216fbe5/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 49bdae3a1421cfc965f164a218ed986b2b6f9d01744522b1ba1eb712ae58ab3a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:46:37,769 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:46:37,824 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb555081-f9ea-4915-bb2f-745bd216fbe5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 05:46:37,828 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:46:37,829 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:46:37,847 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:46:37,847 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:46:37,848 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:46:37,848 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:46:37,848 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:46:37,848 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:46:37,848 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:46:37,848 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:46:37,849 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:46:37,849 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:46:37,849 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:46:37,849 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:46:37,849 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:46:37,849 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:46:37,849 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:46:37,849 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:46:37,849 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:46:37,850 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:46:37,850 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:46:37,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:46:37,850 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:46:37,850 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:46:37,850 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:46:37,850 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:46:37,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:46:37,850 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_eb555081-f9ea-4915-bb2f-745bd216fbe5/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 -> 49bdae3a1421cfc965f164a218ed986b2b6f9d01744522b1ba1eb712ae58ab3a [2024-12-06 05:46:38,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:46:38,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:46:38,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:46:38,074 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:46:38,075 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:46:38,076 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb555081-f9ea-4915-bb2f-745bd216fbe5/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.5.prop1-back-serstep.c [2024-12-06 05:46:40,647 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb555081-f9ea-4915-bb2f-745bd216fbe5/bin/ukojak-verify-CZk0znPC7b/data/9fb98dd66/8049e020f417422ba0e0772d70ddbe0b/FLAG2492a1ed7 [2024-12-06 05:46:40,974 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:46:40,974 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb555081-f9ea-4915-bb2f-745bd216fbe5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.5.prop1-back-serstep.c [2024-12-06 05:46:40,990 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb555081-f9ea-4915-bb2f-745bd216fbe5/bin/ukojak-verify-CZk0znPC7b/data/9fb98dd66/8049e020f417422ba0e0772d70ddbe0b/FLAG2492a1ed7 [2024-12-06 05:46:41,230 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb555081-f9ea-4915-bb2f-745bd216fbe5/bin/ukojak-verify-CZk0znPC7b/data/9fb98dd66/8049e020f417422ba0e0772d70ddbe0b [2024-12-06 05:46:41,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:46:41,233 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:46:41,234 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:46:41,234 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:46:41,238 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:46:41,238 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:46:41" (1/1) ... [2024-12-06 05:46:41,239 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7060bdf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:41, skipping insertion in model container [2024-12-06 05:46:41,239 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:46:41" (1/1) ... [2024-12-06 05:46:41,295 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:46:41,463 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_eb555081-f9ea-4915-bb2f-745bd216fbe5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.5.prop1-back-serstep.c[1174,1187] [2024-12-06 05:46:41,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:46:41,825 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:46:41,834 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_eb555081-f9ea-4915-bb2f-745bd216fbe5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.5.prop1-back-serstep.c[1174,1187] [2024-12-06 05:46:41,978 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:46:41,988 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:46:41,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:41 WrapperNode [2024-12-06 05:46:41,989 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:46:41,990 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:46:41,990 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:46:41,990 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:46:41,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:41" (1/1) ... [2024-12-06 05:46:42,068 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:41" (1/1) ... [2024-12-06 05:46:42,671 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8783 [2024-12-06 05:46:42,671 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:46:42,672 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:46:42,672 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:46:42,672 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:46:42,677 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:41" (1/1) ... [2024-12-06 05:46:42,677 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:41" (1/1) ... [2024-12-06 05:46:42,823 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:41" (1/1) ... [2024-12-06 05:46:42,824 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:41" (1/1) ... [2024-12-06 05:46:43,057 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:41" (1/1) ... [2024-12-06 05:46:43,110 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:41" (1/1) ... [2024-12-06 05:46:43,172 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:41" (1/1) ... [2024-12-06 05:46:43,222 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:41" (1/1) ... [2024-12-06 05:46:43,257 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:41" (1/1) ... [2024-12-06 05:46:43,382 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:46:43,384 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:46:43,384 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:46:43,385 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:46:43,386 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:41" (1/1) ... [2024-12-06 05:46:43,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:46:43,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb555081-f9ea-4915-bb2f-745bd216fbe5/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:46:43,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb555081-f9ea-4915-bb2f-745bd216fbe5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:46:43,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb555081-f9ea-4915-bb2f-745bd216fbe5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:46:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:46:43,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:46:43,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:46:43,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:46:43,948 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:46:43,950 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:46:53,174 INFO L? ?]: Removed 4900 outVars from TransFormulas that were not future-live. [2024-12-06 05:46:53,174 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:47:04,236 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:47:04,237 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:47:04,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:47:04 BoogieIcfgContainer [2024-12-06 05:47:04,237 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:47:04,238 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:47:04,238 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:47:04,247 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:47:04,247 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:47:04" (1/1) ... [2024-12-06 05:47:04,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:47:04,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:47:04,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 05:47:04,299 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 05:47:04,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:47:04,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:47:04,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:47:05,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:47:14,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:47:24,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:47:34,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:47:40,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:47:50,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:47:51,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:47:51,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 05:47:51,029 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 05:47:51,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:47:51,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:47:51,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:50:48,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:50:48,619 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:53:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:53:52,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:53:52,999 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 05:53:53,002 INFO L158 Benchmark]: Toolchain (without parser) took 431768.39ms. Allocated memory was 142.6MB in the beginning and 3.3GB in the end (delta: 3.1GB). Free memory was 112.1MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-12-06 05:53:53,003 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:53:53,003 INFO L158 Benchmark]: CACSL2BoogieTranslator took 754.68ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 49.5MB in the end (delta: 62.7MB). Peak memory consumption was 87.6MB. Max. memory is 16.1GB. [2024-12-06 05:53:53,004 INFO L158 Benchmark]: Boogie Procedure Inliner took 681.55ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 49.5MB in the beginning and 117.7MB in the end (delta: -68.2MB). Peak memory consumption was 190.7MB. Max. memory is 16.1GB. [2024-12-06 05:53:53,004 INFO L158 Benchmark]: Boogie Preprocessor took 710.61ms. Allocated memory was 318.8MB in the beginning and 704.6MB in the end (delta: 385.9MB). Free memory was 117.7MB in the beginning and 459.3MB in the end (delta: -341.6MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB. [2024-12-06 05:53:53,005 INFO L158 Benchmark]: RCFGBuilder took 20853.08ms. Allocated memory was 704.6MB in the beginning and 1.1GB in the end (delta: 419.4MB). Free memory was 459.3MB in the beginning and 333.7MB in the end (delta: 125.6MB). Peak memory consumption was 819.6MB. Max. memory is 16.1GB. [2024-12-06 05:53:53,005 INFO L158 Benchmark]: CodeCheck took 408763.16ms. Allocated memory was 1.1GB in the beginning and 3.3GB in the end (delta: 2.1GB). Free memory was 333.7MB in the beginning and 1.8GB in the end (delta: -1.5GB). Peak memory consumption was 655.9MB. Max. memory is 16.1GB. [2024-12-06 05:53:53,009 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 754.68ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 49.5MB in the end (delta: 62.7MB). Peak memory consumption was 87.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 681.55ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 49.5MB in the beginning and 117.7MB in the end (delta: -68.2MB). Peak memory consumption was 190.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 710.61ms. Allocated memory was 318.8MB in the beginning and 704.6MB in the end (delta: 385.9MB). Free memory was 117.7MB in the beginning and 459.3MB in the end (delta: -341.6MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB. * RCFGBuilder took 20853.08ms. Allocated memory was 704.6MB in the beginning and 1.1GB in the end (delta: 419.4MB). Free memory was 459.3MB in the beginning and 333.7MB in the end (delta: 125.6MB). Peak memory consumption was 819.6MB. Max. memory is 16.1GB. * CodeCheck took 408763.16ms. Allocated memory was 1.1GB in the beginning and 3.3GB in the end (delta: 2.1GB). Free memory was 333.7MB in the beginning and 1.8GB in the end (delta: -1.5GB). Peak memory consumption was 655.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 05:53:53,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb555081-f9ea-4915-bb2f-745bd216fbe5/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_eb555081-f9ea-4915-bb2f-745bd216fbe5/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb555081-f9ea-4915-bb2f-745bd216fbe5/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_eb555081-f9ea-4915-bb2f-745bd216fbe5/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb555081-f9ea-4915-bb2f-745bd216fbe5/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.5.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb555081-f9ea-4915-bb2f-745bd216fbe5/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_eb555081-f9ea-4915-bb2f-745bd216fbe5/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 49bdae3a1421cfc965f164a218ed986b2b6f9d01744522b1ba1eb712ae58ab3a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:53:55,079 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:53:55,154 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb555081-f9ea-4915-bb2f-745bd216fbe5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 05:53:55,177 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:53:55,178 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:53:55,178 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:53:55,179 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:53:55,179 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:53:55,179 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:53:55,179 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:53:55,179 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:53:55,179 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:53:55,179 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:53:55,179 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:53:55,179 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:53:55,180 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:53:55,180 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:53:55,180 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:53:55,180 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:53:55,180 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:53:55,180 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:53:55,180 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:53:55,180 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:53:55,180 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:53:55,181 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:53:55,181 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:53:55,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:53:55,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:53:55,181 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:53:55,181 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:53:55,181 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:53:55,181 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:53:55,181 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:53:55,181 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_eb555081-f9ea-4915-bb2f-745bd216fbe5/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 -> 49bdae3a1421cfc965f164a218ed986b2b6f9d01744522b1ba1eb712ae58ab3a [2024-12-06 05:53:55,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:53:55,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:53:55,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:53:55,410 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:53:55,411 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:53:55,412 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb555081-f9ea-4915-bb2f-745bd216fbe5/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.5.prop1-back-serstep.c [2024-12-06 05:53:58,095 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb555081-f9ea-4915-bb2f-745bd216fbe5/bin/ukojak-verify-CZk0znPC7b/data/05c78b9e5/c392c419e7614dedb3cee964fdb46612/FLAG9f1e3c0fe [2024-12-06 05:53:58,404 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:53:58,404 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb555081-f9ea-4915-bb2f-745bd216fbe5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.5.prop1-back-serstep.c [2024-12-06 05:53:58,420 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb555081-f9ea-4915-bb2f-745bd216fbe5/bin/ukojak-verify-CZk0znPC7b/data/05c78b9e5/c392c419e7614dedb3cee964fdb46612/FLAG9f1e3c0fe [2024-12-06 05:53:58,432 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb555081-f9ea-4915-bb2f-745bd216fbe5/bin/ukojak-verify-CZk0znPC7b/data/05c78b9e5/c392c419e7614dedb3cee964fdb46612 [2024-12-06 05:53:58,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:53:58,435 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:53:58,436 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:53:58,436 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:53:58,439 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:53:58,440 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:53:58" (1/1) ... [2024-12-06 05:53:58,441 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eb1871a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:58, skipping insertion in model container [2024-12-06 05:53:58,441 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:53:58" (1/1) ... [2024-12-06 05:53:58,488 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:53:58,628 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_eb555081-f9ea-4915-bb2f-745bd216fbe5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.5.prop1-back-serstep.c[1174,1187] [2024-12-06 05:53:58,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:53:58,942 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:53:58,952 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_eb555081-f9ea-4915-bb2f-745bd216fbe5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.5.prop1-back-serstep.c[1174,1187] [2024-12-06 05:53:59,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:53:59,127 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:53:59,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:59 WrapperNode [2024-12-06 05:53:59,127 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:53:59,128 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:53:59,129 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:53:59,129 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:53:59,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:59" (1/1) ... [2024-12-06 05:53:59,168 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:59" (1/1) ... [2024-12-06 05:53:59,266 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2983 [2024-12-06 05:53:59,266 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:53:59,267 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:53:59,267 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:53:59,267 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:53:59,272 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:59" (1/1) ... [2024-12-06 05:53:59,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:59" (1/1) ... [2024-12-06 05:53:59,290 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:59" (1/1) ... [2024-12-06 05:53:59,290 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:59" (1/1) ... [2024-12-06 05:53:59,339 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:59" (1/1) ... [2024-12-06 05:53:59,344 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:59" (1/1) ... [2024-12-06 05:53:59,349 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:59" (1/1) ... [2024-12-06 05:53:59,358 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:59" (1/1) ... [2024-12-06 05:53:59,368 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:59" (1/1) ... [2024-12-06 05:53:59,384 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:53:59,385 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:53:59,385 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:53:59,385 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:53:59,386 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:53:59" (1/1) ... [2024-12-06 05:53:59,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:53:59,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb555081-f9ea-4915-bb2f-745bd216fbe5/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:53:59,412 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb555081-f9ea-4915-bb2f-745bd216fbe5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:53:59,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb555081-f9ea-4915-bb2f-745bd216fbe5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:53:59,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:53:59,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:53:59,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:53:59,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:53:59,880 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:53:59,881 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:54:03,731 INFO L? ?]: Removed 275 outVars from TransFormulas that were not future-live. [2024-12-06 05:54:03,731 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:54:03,824 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:54:03,824 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:54:03,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:54:03 BoogieIcfgContainer [2024-12-06 05:54:03,825 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:54:03,825 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:54:03,825 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:54:03,834 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:54:03,835 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:54:03" (1/1) ... [2024-12-06 05:54:03,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:54:03,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:03,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 05:54:03,885 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 05:54:03,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:54:03,887 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:03,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:54:03,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb555081-f9ea-4915-bb2f-745bd216fbe5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:54:03,890 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb555081-f9ea-4915-bb2f-745bd216fbe5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:54:03,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb555081-f9ea-4915-bb2f-745bd216fbe5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:54:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:04,745 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:54:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:04,995 INFO L256 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:54:05,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:54:05,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:54:05,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb555081-f9ea-4915-bb2f-745bd216fbe5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:54:05,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:05,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 05:54:05,493 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 05:54:05,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:54:05,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:05,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:54:05,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb555081-f9ea-4915-bb2f-745bd216fbe5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:54:05,496 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb555081-f9ea-4915-bb2f-745bd216fbe5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:54:05,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb555081-f9ea-4915-bb2f-745bd216fbe5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:54:06,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:06,950 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:54:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:07,390 INFO L256 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 91 conjuncts are in the unsatisfiable core [2024-12-06 05:54:07,416 INFO L279 TraceCheckSpWp]: Computing forward predicates...