./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.1.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5339774f-6102-4081-845a-52c36d280ffd/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5339774f-6102-4081-845a-52c36d280ffd/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5339774f-6102-4081-845a-52c36d280ffd/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5339774f-6102-4081-845a-52c36d280ffd/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5339774f-6102-4081-845a-52c36d280ffd/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5339774f-6102-4081-845a-52c36d280ffd/bin/ukojak-verify-EEHR8qb7sm --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 4f6096a123693bda782786e402e948a3ee1b4436724f9c4fce9bab76681c4dbf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:19:35,030 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:19:35,116 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5339774f-6102-4081-845a-52c36d280ffd/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 22:19:35,121 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:19:35,121 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:19:35,157 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:19:35,158 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:19:35,158 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:19:35,158 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:19:35,158 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:19:35,159 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:19:35,160 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:19:35,160 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:19:35,160 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:19:35,161 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:19:35,161 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:19:35,161 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:19:35,161 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:19:35,162 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:19:35,162 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:19:35,162 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:19:35,162 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:19:35,162 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:19:35,162 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:19:35,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:19:35,163 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:19:35,163 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:19:35,163 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:19:35,163 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:19:35,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:19:35,163 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_5339774f-6102-4081-845a-52c36d280ffd/bin/ukojak-verify-EEHR8qb7sm 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 -> 4f6096a123693bda782786e402e948a3ee1b4436724f9c4fce9bab76681c4dbf [2024-11-13 22:19:35,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:19:35,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:19:35,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:19:35,473 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:19:35,473 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:19:35,475 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5339774f-6102-4081-845a-52c36d280ffd/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 22:19:37,305 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:19:37,884 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:19:37,884 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5339774f-6102-4081-845a-52c36d280ffd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.1.prop1-back-serstep.c [2024-11-13 22:19:37,915 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5339774f-6102-4081-845a-52c36d280ffd/bin/ukojak-verify-EEHR8qb7sm/data/b1b6f6a25/1bca493fdb7b4408a688c4813458506a/FLAG551abad3c [2024-11-13 22:19:37,942 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5339774f-6102-4081-845a-52c36d280ffd/bin/ukojak-verify-EEHR8qb7sm/data/b1b6f6a25/1bca493fdb7b4408a688c4813458506a [2024-11-13 22:19:37,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:19:37,949 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:19:37,950 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:19:37,950 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:19:37,955 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:19:37,956 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:19:37" (1/1) ... [2024-11-13 22:19:37,959 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c635912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:37, skipping insertion in model container [2024-11-13 22:19:37,959 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:19:37" (1/1) ... [2024-11-13 22:19:38,052 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:19:38,281 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_5339774f-6102-4081-845a-52c36d280ffd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.1.prop1-back-serstep.c[1176,1189] [2024-11-13 22:19:38,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:19:38,894 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:19:38,904 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_5339774f-6102-4081-845a-52c36d280ffd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.1.prop1-back-serstep.c[1176,1189] [2024-11-13 22:19:39,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:19:39,230 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:19:39,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:39 WrapperNode [2024-11-13 22:19:39,231 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:19:39,232 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:19:39,232 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:19:39,232 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:19:39,239 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:39" (1/1) ... [2024-11-13 22:19:39,311 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:39" (1/1) ... [2024-11-13 22:19:40,598 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9079 [2024-11-13 22:19:40,598 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:19:40,599 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:19:40,599 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:19:40,599 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:19:40,618 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:39" (1/1) ... [2024-11-13 22:19:40,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:39" (1/1) ... [2024-11-13 22:19:41,005 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:39" (1/1) ... [2024-11-13 22:19:41,006 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:39" (1/1) ... [2024-11-13 22:19:41,491 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:39" (1/1) ... [2024-11-13 22:19:41,589 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:39" (1/1) ... [2024-11-13 22:19:41,664 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:39" (1/1) ... [2024-11-13 22:19:41,711 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:39" (1/1) ... [2024-11-13 22:19:41,905 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:19:41,907 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:19:41,907 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:19:41,908 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:19:41,909 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:39" (1/1) ... [2024-11-13 22:19:41,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:19:41,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5339774f-6102-4081-845a-52c36d280ffd/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:19:41,945 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5339774f-6102-4081-845a-52c36d280ffd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:19:41,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5339774f-6102-4081-845a-52c36d280ffd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:19:41,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:19:41,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:19:41,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:19:41,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:19:42,654 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:19:42,656 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:19:58,042 INFO L? ?]: Removed 4987 outVars from TransFormulas that were not future-live. [2024-11-13 22:19:58,043 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:20:16,959 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:20:16,959 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:20:16,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:20:16 BoogieIcfgContainer [2024-11-13 22:20:16,960 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:20:16,961 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:20:16,961 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:20:16,973 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:20:16,973 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:20:16" (1/1) ... [2024-11-13 22:20:16,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:20:17,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:17,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:20:17,042 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:20:17,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:20:17,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:17,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:20:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:35,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:20:45,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:20:56,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:20:57,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:20:58,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:21:00,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:21:03,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.33s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:21:13,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:21:13,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:21:13,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 22:21:13,660 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 22:21:13,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:21:13,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:21:13,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:28,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:24:39,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:24:39,400 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) [2024-11-13 22:24:39,409 INFO L158 Benchmark]: Toolchain (without parser) took 301458.39ms. Allocated memory was 117.4MB in the beginning and 2.9GB in the end (delta: 2.8GB). Free memory was 89.7MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-11-13 22:24:39,410 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 167.8MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:24:39,410 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1281.74ms. Allocated memory was 117.4MB in the beginning and 125.8MB in the end (delta: 8.4MB). Free memory was 89.7MB in the beginning and 48.9MB in the end (delta: 40.7MB). Peak memory consumption was 89.5MB. Max. memory is 16.1GB. [2024-11-13 22:24:39,411 INFO L158 Benchmark]: Boogie Procedure Inliner took 1366.38ms. Allocated memory was 125.8MB in the beginning and 251.7MB in the end (delta: 125.8MB). Free memory was 48.5MB in the beginning and 62.7MB in the end (delta: -14.2MB). Peak memory consumption was 186.1MB. Max. memory is 16.1GB. [2024-11-13 22:24:39,413 INFO L158 Benchmark]: Boogie Preprocessor took 1305.62ms. Allocated memory was 251.7MB in the beginning and 671.1MB in the end (delta: 419.4MB). Free memory was 62.7MB in the beginning and 419.9MB in the end (delta: -357.2MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. [2024-11-13 22:24:39,414 INFO L158 Benchmark]: RCFGBuilder took 35053.25ms. Allocated memory was 671.1MB in the beginning and 1.5GB in the end (delta: 838.9MB). Free memory was 419.9MB in the beginning and 752.8MB in the end (delta: -333.0MB). Peak memory consumption was 862.4MB. Max. memory is 16.1GB. [2024-11-13 22:24:39,414 INFO L158 Benchmark]: CodeCheck took 262445.25ms. Allocated memory was 1.5GB in the beginning and 2.9GB in the end (delta: 1.4GB). Free memory was 752.8MB in the beginning and 1.2GB in the end (delta: -397.4MB). Peak memory consumption was 977.8MB. Max. memory is 16.1GB. [2024-11-13 22:24:39,419 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 0.38ms. Allocated memory is still 167.8MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1281.74ms. Allocated memory was 117.4MB in the beginning and 125.8MB in the end (delta: 8.4MB). Free memory was 89.7MB in the beginning and 48.9MB in the end (delta: 40.7MB). Peak memory consumption was 89.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1366.38ms. Allocated memory was 125.8MB in the beginning and 251.7MB in the end (delta: 125.8MB). Free memory was 48.5MB in the beginning and 62.7MB in the end (delta: -14.2MB). Peak memory consumption was 186.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1305.62ms. Allocated memory was 251.7MB in the beginning and 671.1MB in the end (delta: 419.4MB). Free memory was 62.7MB in the beginning and 419.9MB in the end (delta: -357.2MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. * RCFGBuilder took 35053.25ms. Allocated memory was 671.1MB in the beginning and 1.5GB in the end (delta: 838.9MB). Free memory was 419.9MB in the beginning and 752.8MB in the end (delta: -333.0MB). Peak memory consumption was 862.4MB. Max. memory is 16.1GB. * CodeCheck took 262445.25ms. Allocated memory was 1.5GB in the beginning and 2.9GB in the end (delta: 1.4GB). Free memory was 752.8MB in the beginning and 1.2GB in the end (delta: -397.4MB). Peak memory consumption was 977.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 22:24:39,634 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5339774f-6102-4081-845a-52c36d280ffd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-13 22:24:39,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5339774f-6102-4081-845a-52c36d280ffd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5339774f-6102-4081-845a-52c36d280ffd/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5339774f-6102-4081-845a-52c36d280ffd/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5339774f-6102-4081-845a-52c36d280ffd/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5339774f-6102-4081-845a-52c36d280ffd/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5339774f-6102-4081-845a-52c36d280ffd/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5339774f-6102-4081-845a-52c36d280ffd/bin/ukojak-verify-EEHR8qb7sm --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 4f6096a123693bda782786e402e948a3ee1b4436724f9c4fce9bab76681c4dbf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:24:42,327 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:24:42,444 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5339774f-6102-4081-845a-52c36d280ffd/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 22:24:42,523 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:24:42,525 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:24:42,525 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:24:42,526 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:24:42,526 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:24:42,526 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:24:42,527 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:24:42,528 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:24:42,528 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:24:42,528 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:24:42,528 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:24:42,528 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:24:42,528 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:24:42,528 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:24:42,528 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:24:42,528 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:24:42,528 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:24:42,529 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:24:42,529 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:24:42,529 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:24:42,530 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:24:42,530 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:24:42,530 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:24:42,530 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:24:42,530 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:24:42,530 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:24:42,530 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:24:42,530 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:24:42,530 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:24:42,530 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:24:42,530 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_5339774f-6102-4081-845a-52c36d280ffd/bin/ukojak-verify-EEHR8qb7sm 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 -> 4f6096a123693bda782786e402e948a3ee1b4436724f9c4fce9bab76681c4dbf [2024-11-13 22:24:42,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:24:42,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:24:42,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:24:42,905 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:24:42,905 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:24:42,907 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5339774f-6102-4081-845a-52c36d280ffd/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 22:24:44,828 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:24:45,373 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:24:45,374 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5339774f-6102-4081-845a-52c36d280ffd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.1.prop1-back-serstep.c [2024-11-13 22:24:45,408 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5339774f-6102-4081-845a-52c36d280ffd/bin/ukojak-verify-EEHR8qb7sm/data/5d202b922/88b0beb2b26744658c5ab93a34c6664c/FLAGecd0457f9 [2024-11-13 22:24:45,921 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5339774f-6102-4081-845a-52c36d280ffd/bin/ukojak-verify-EEHR8qb7sm/data/5d202b922/88b0beb2b26744658c5ab93a34c6664c [2024-11-13 22:24:45,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:24:45,925 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:24:45,926 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:24:45,927 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:24:45,931 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:24:45,932 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:24:45" (1/1) ... [2024-11-13 22:24:45,933 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@367253c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:45, skipping insertion in model container [2024-11-13 22:24:45,934 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:24:45" (1/1) ... [2024-11-13 22:24:46,007 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:24:46,233 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_5339774f-6102-4081-845a-52c36d280ffd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.1.prop1-back-serstep.c[1176,1189] [2024-11-13 22:24:46,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:24:46,745 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:24:46,758 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_5339774f-6102-4081-845a-52c36d280ffd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.1.prop1-back-serstep.c[1176,1189] [2024-11-13 22:24:47,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:24:47,043 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:24:47,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:47 WrapperNode [2024-11-13 22:24:47,043 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:24:47,046 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:24:47,046 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:24:47,046 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:24:47,053 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:47" (1/1) ... [2024-11-13 22:24:47,116 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:47" (1/1) ... [2024-11-13 22:24:47,272 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2895 [2024-11-13 22:24:47,273 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:24:47,273 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:24:47,273 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:24:47,273 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:24:47,282 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:47" (1/1) ... [2024-11-13 22:24:47,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:47" (1/1) ... [2024-11-13 22:24:47,325 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:47" (1/1) ... [2024-11-13 22:24:47,325 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:47" (1/1) ... [2024-11-13 22:24:47,413 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:47" (1/1) ... [2024-11-13 22:24:47,422 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:47" (1/1) ... [2024-11-13 22:24:47,441 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:47" (1/1) ... [2024-11-13 22:24:47,458 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:47" (1/1) ... [2024-11-13 22:24:47,483 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:24:47,485 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:24:47,485 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:24:47,486 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:24:47,487 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:47" (1/1) ... [2024-11-13 22:24:47,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:24:47,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5339774f-6102-4081-845a-52c36d280ffd/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:24:47,562 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5339774f-6102-4081-845a-52c36d280ffd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:24:47,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5339774f-6102-4081-845a-52c36d280ffd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:24:47,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:24:47,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:24:47,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:24:47,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:24:48,227 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:24:48,229 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:24:55,504 INFO L? ?]: Removed 296 outVars from TransFormulas that were not future-live. [2024-11-13 22:24:55,504 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:24:55,636 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:24:55,636 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:24:55,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:24:55 BoogieIcfgContainer [2024-11-13 22:24:55,637 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:24:55,638 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:24:55,638 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:24:55,652 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:24:55,652 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:24:55" (1/1) ... [2024-11-13 22:24:55,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:24:55,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:55,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:24:55,720 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:24:55,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:24:55,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:55,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:24:55,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5339774f-6102-4081-845a-52c36d280ffd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:24:55,728 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5339774f-6102-4081-845a-52c36d280ffd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:24:55,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5339774f-6102-4081-845a-52c36d280ffd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:24:56,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:56,933 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:24:57,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:57,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:24:57,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:24:57,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:24:57,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5339774f-6102-4081-845a-52c36d280ffd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:24:58,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:24:58,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:58,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 22:24:58,935 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 22:24:58,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:24:58,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:58,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:24:58,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5339774f-6102-4081-845a-52c36d280ffd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:24:58,939 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5339774f-6102-4081-845a-52c36d280ffd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:24:58,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5339774f-6102-4081-845a-52c36d280ffd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:25:01,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:01,193 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:25:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:01,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-11-13 22:25:01,919 INFO L278 TraceCheckSpWp]: Computing forward predicates...