./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db598d8d-22a9-4a6d-913c-19e4220c7d8a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db598d8d-22a9-4a6d-913c-19e4220c7d8a/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db598d8d-22a9-4a6d-913c-19e4220c7d8a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db598d8d-22a9-4a6d-913c-19e4220c7d8a/bin/ukojak-verify-ENZ3QT5qd3/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_db598d8d-22a9-4a6d-913c-19e4220c7d8a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db598d8d-22a9-4a6d-913c-19e4220c7d8a/bin/ukojak-verify-ENZ3QT5qd3 --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-d790fec [2024-11-25 05:07:25,602 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:07:25,721 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db598d8d-22a9-4a6d-913c-19e4220c7d8a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 05:07:25,728 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:07:25,729 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:07:25,766 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:07:25,767 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:07:25,768 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:07:25,768 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:07:25,769 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:07:25,770 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:07:25,770 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:07:25,770 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:07:25,770 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:07:25,770 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:07:25,771 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:07:25,771 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:07:25,771 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:07:25,772 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:07:25,772 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:07:25,772 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:07:25,772 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:07:25,772 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:07:25,772 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:07:25,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:07:25,773 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:07:25,773 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:07:25,773 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:07:25,773 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:07:25,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:07:25,773 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_db598d8d-22a9-4a6d-913c-19e4220c7d8a/bin/ukojak-verify-ENZ3QT5qd3 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 [2024-11-25 05:07:26,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:07:26,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:07:26,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:07:26,132 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:07:26,133 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:07:26,134 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db598d8d-22a9-4a6d-913c-19e4220c7d8a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.1.prop1-back-serstep.c [2024-11-25 05:07:29,355 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db598d8d-22a9-4a6d-913c-19e4220c7d8a/bin/ukojak-verify-ENZ3QT5qd3/data/5baef6f49/cf0c5dbd198a4377aa350a6527f21ba8/FLAG5cafb2399 [2024-11-25 05:07:29,870 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:07:29,874 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db598d8d-22a9-4a6d-913c-19e4220c7d8a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.1.prop1-back-serstep.c [2024-11-25 05:07:29,908 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db598d8d-22a9-4a6d-913c-19e4220c7d8a/bin/ukojak-verify-ENZ3QT5qd3/data/5baef6f49/cf0c5dbd198a4377aa350a6527f21ba8/FLAG5cafb2399 [2024-11-25 05:07:29,931 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db598d8d-22a9-4a6d-913c-19e4220c7d8a/bin/ukojak-verify-ENZ3QT5qd3/data/5baef6f49/cf0c5dbd198a4377aa350a6527f21ba8 [2024-11-25 05:07:29,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:07:29,939 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:07:29,941 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:07:29,942 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:07:29,948 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:07:29,949 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:07:29" (1/1) ... [2024-11-25 05:07:29,950 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ffe21c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:29, skipping insertion in model container [2024-11-25 05:07:29,951 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:07:29" (1/1) ... [2024-11-25 05:07:30,061 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:07:30,355 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_db598d8d-22a9-4a6d-913c-19e4220c7d8a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.1.prop1-back-serstep.c[1176,1189] [2024-11-25 05:07:31,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:07:31,151 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:07:31,162 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_db598d8d-22a9-4a6d-913c-19e4220c7d8a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.1.prop1-back-serstep.c[1176,1189] [2024-11-25 05:07:31,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:07:31,509 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:07:31,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:31 WrapperNode [2024-11-25 05:07:31,511 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:07:31,512 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:07:31,512 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:07:31,512 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:07:31,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:31" (1/1) ... [2024-11-25 05:07:31,649 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:31" (1/1) ... [2024-11-25 05:07:32,877 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9079 [2024-11-25 05:07:32,878 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:07:32,879 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:07:32,879 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:07:32,880 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:07:32,889 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:31" (1/1) ... [2024-11-25 05:07:32,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:31" (1/1) ... [2024-11-25 05:07:33,264 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:31" (1/1) ... [2024-11-25 05:07:33,265 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:31" (1/1) ... [2024-11-25 05:07:33,844 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:31" (1/1) ... [2024-11-25 05:07:33,915 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:31" (1/1) ... [2024-11-25 05:07:33,963 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:31" (1/1) ... [2024-11-25 05:07:34,022 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:31" (1/1) ... [2024-11-25 05:07:34,051 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:31" (1/1) ... [2024-11-25 05:07:34,179 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:07:34,181 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:07:34,182 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:07:34,182 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:07:34,184 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:31" (1/1) ... [2024-11-25 05:07:34,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:07:34,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db598d8d-22a9-4a6d-913c-19e4220c7d8a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:07:34,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db598d8d-22a9-4a6d-913c-19e4220c7d8a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:07:34,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db598d8d-22a9-4a6d-913c-19e4220c7d8a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:07:34,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:07:34,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:07:34,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:07:34,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:07:34,954 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:07:34,956 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:07:51,647 INFO L? ?]: Removed 4987 outVars from TransFormulas that were not future-live. [2024-11-25 05:07:51,651 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:08:09,935 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:08:09,936 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 05:08:09,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:08:09 BoogieIcfgContainer [2024-11-25 05:08:09,936 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:08:09,937 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:08:09,938 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:08:09,948 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:08:09,950 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:08:09" (1/1) ... [2024-11-25 05:08:09,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:08:10,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:08:10,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 05:08:10,022 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 05:08:10,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 05:08:10,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:08:10,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:08:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:08:27,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:08:38,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 05:08:48,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 05:08:50,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 05:09:00,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 05:09:01,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:09:01,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 05:09:01,037 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 05:09:01,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:09:01,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:09:01,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:12:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:12:31,831 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) [2024-11-25 05:12:31,844 INFO L158 Benchmark]: Toolchain (without parser) took 301902.63ms. Allocated memory was 117.4MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 88.7MB in the beginning and 745.3MB in the end (delta: -656.6MB). Peak memory consumption was 940.6MB. Max. memory is 16.1GB. [2024-11-25 05:12:31,845 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:12:31,845 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1570.73ms. Allocated memory is still 117.4MB. Free memory was 88.7MB in the beginning and 46.9MB in the end (delta: 41.8MB). Peak memory consumption was 98.8MB. Max. memory is 16.1GB. [2024-11-25 05:12:31,846 INFO L158 Benchmark]: Boogie Procedure Inliner took 1366.35ms. Allocated memory was 117.4MB in the beginning and 268.4MB in the end (delta: 151.0MB). Free memory was 46.9MB in the beginning and 71.3MB in the end (delta: -24.5MB). Peak memory consumption was 178.7MB. Max. memory is 16.1GB. [2024-11-25 05:12:31,847 INFO L158 Benchmark]: Boogie Preprocessor took 1299.85ms. Allocated memory was 268.4MB in the beginning and 645.9MB in the end (delta: 377.5MB). Free memory was 71.3MB in the beginning and 396.5MB in the end (delta: -325.2MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. [2024-11-25 05:12:31,849 INFO L158 Benchmark]: RCFGBuilder took 35754.97ms. Allocated memory was 645.9MB in the beginning and 3.5GB in the end (delta: 2.8GB). Free memory was 396.5MB in the beginning and 3.0GB in the end (delta: -2.6GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-11-25 05:12:31,850 INFO L158 Benchmark]: CodeCheck took 261901.47ms. Allocated memory was 3.5GB in the beginning and 1.7GB in the end (delta: -1.7GB). Free memory was 3.0GB in the beginning and 745.3MB in the end (delta: 2.2GB). Peak memory consumption was 472.3MB. Max. memory is 16.1GB. [2024-11-25 05:12:31,855 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 0.43ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1570.73ms. Allocated memory is still 117.4MB. Free memory was 88.7MB in the beginning and 46.9MB in the end (delta: 41.8MB). Peak memory consumption was 98.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1366.35ms. Allocated memory was 117.4MB in the beginning and 268.4MB in the end (delta: 151.0MB). Free memory was 46.9MB in the beginning and 71.3MB in the end (delta: -24.5MB). Peak memory consumption was 178.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1299.85ms. Allocated memory was 268.4MB in the beginning and 645.9MB in the end (delta: 377.5MB). Free memory was 71.3MB in the beginning and 396.5MB in the end (delta: -325.2MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. * RCFGBuilder took 35754.97ms. Allocated memory was 645.9MB in the beginning and 3.5GB in the end (delta: 2.8GB). Free memory was 396.5MB in the beginning and 3.0GB in the end (delta: -2.6GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * CodeCheck took 261901.47ms. Allocated memory was 3.5GB in the beginning and 1.7GB in the end (delta: -1.7GB). Free memory was 3.0GB in the beginning and 745.3MB in the end (delta: 2.2GB). Peak memory consumption was 472.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 05:12:32,088 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db598d8d-22a9-4a6d-913c-19e4220c7d8a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-25 05:12:32,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db598d8d-22a9-4a6d-913c-19e4220c7d8a/bin/ukojak-verify-ENZ3QT5qd3/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_db598d8d-22a9-4a6d-913c-19e4220c7d8a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db598d8d-22a9-4a6d-913c-19e4220c7d8a/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db598d8d-22a9-4a6d-913c-19e4220c7d8a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db598d8d-22a9-4a6d-913c-19e4220c7d8a/bin/ukojak-verify-ENZ3QT5qd3/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_db598d8d-22a9-4a6d-913c-19e4220c7d8a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db598d8d-22a9-4a6d-913c-19e4220c7d8a/bin/ukojak-verify-ENZ3QT5qd3 --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-d790fec [2024-11-25 05:12:34,808 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:12:34,922 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db598d8d-22a9-4a6d-913c-19e4220c7d8a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 05:12:34,958 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:12:34,959 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:12:34,960 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:12:34,960 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:12:34,961 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:12:34,961 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:12:34,961 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:12:34,961 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:12:34,961 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:12:34,961 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:12:34,961 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:12:34,962 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 05:12:34,962 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 05:12:34,962 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 05:12:34,962 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:12:34,962 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:12:34,962 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:12:34,962 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:12:34,962 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:12:34,962 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:12:34,963 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:12:34,963 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 05:12:34,963 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:12:34,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:12:34,963 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:12:34,963 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:12:34,963 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:12:34,963 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 05:12:34,982 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:12:34,983 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 05:12:34,983 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_db598d8d-22a9-4a6d-913c-19e4220c7d8a/bin/ukojak-verify-ENZ3QT5qd3 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 [2024-11-25 05:12:35,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:12:35,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:12:35,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:12:35,350 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:12:35,351 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:12:35,352 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db598d8d-22a9-4a6d-913c-19e4220c7d8a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.1.prop1-back-serstep.c [2024-11-25 05:12:38,448 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db598d8d-22a9-4a6d-913c-19e4220c7d8a/bin/ukojak-verify-ENZ3QT5qd3/data/265b10305/f5aa64e1ff2d4118abb54bec557be2ed/FLAGd4d8fb10f [2024-11-25 05:12:38,883 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:12:38,884 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db598d8d-22a9-4a6d-913c-19e4220c7d8a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.1.prop1-back-serstep.c [2024-11-25 05:12:38,907 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db598d8d-22a9-4a6d-913c-19e4220c7d8a/bin/ukojak-verify-ENZ3QT5qd3/data/265b10305/f5aa64e1ff2d4118abb54bec557be2ed/FLAGd4d8fb10f [2024-11-25 05:12:38,927 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db598d8d-22a9-4a6d-913c-19e4220c7d8a/bin/ukojak-verify-ENZ3QT5qd3/data/265b10305/f5aa64e1ff2d4118abb54bec557be2ed [2024-11-25 05:12:38,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:12:38,931 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:12:38,933 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:12:38,933 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:12:38,939 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:12:38,940 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:12:38" (1/1) ... [2024-11-25 05:12:38,941 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6827d123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:38, skipping insertion in model container [2024-11-25 05:12:38,942 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:12:38" (1/1) ... [2024-11-25 05:12:39,009 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:12:39,245 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_db598d8d-22a9-4a6d-913c-19e4220c7d8a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.1.prop1-back-serstep.c[1176,1189] [2024-11-25 05:12:39,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:12:39,752 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:12:39,764 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_db598d8d-22a9-4a6d-913c-19e4220c7d8a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.1.prop1-back-serstep.c[1176,1189] [2024-11-25 05:12:39,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:12:40,010 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:12:40,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:40 WrapperNode [2024-11-25 05:12:40,012 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:12:40,013 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:12:40,013 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:12:40,013 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:12:40,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:40" (1/1) ... [2024-11-25 05:12:40,074 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:40" (1/1) ... [2024-11-25 05:12:40,226 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2895 [2024-11-25 05:12:40,226 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:12:40,227 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:12:40,227 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:12:40,227 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:12:40,236 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:40" (1/1) ... [2024-11-25 05:12:40,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:40" (1/1) ... [2024-11-25 05:12:40,258 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:40" (1/1) ... [2024-11-25 05:12:40,258 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:40" (1/1) ... [2024-11-25 05:12:40,338 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:40" (1/1) ... [2024-11-25 05:12:40,343 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:40" (1/1) ... [2024-11-25 05:12:40,353 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:40" (1/1) ... [2024-11-25 05:12:40,369 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:40" (1/1) ... [2024-11-25 05:12:40,388 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:40" (1/1) ... [2024-11-25 05:12:40,421 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:12:40,422 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:12:40,424 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:12:40,424 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:12:40,425 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:40" (1/1) ... [2024-11-25 05:12:40,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:12:40,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db598d8d-22a9-4a6d-913c-19e4220c7d8a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:12:40,501 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db598d8d-22a9-4a6d-913c-19e4220c7d8a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:12:40,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db598d8d-22a9-4a6d-913c-19e4220c7d8a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:12:40,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:12:40,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 05:12:40,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:12:40,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:12:41,108 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:12:41,111 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:12:47,108 INFO L? ?]: Removed 296 outVars from TransFormulas that were not future-live. [2024-11-25 05:12:47,108 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:12:47,216 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:12:47,216 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 05:12:47,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:12:47 BoogieIcfgContainer [2024-11-25 05:12:47,217 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:12:47,217 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:12:47,218 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:12:47,228 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:12:47,228 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:12:47" (1/1) ... [2024-11-25 05:12:47,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:12:47,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:47,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 05:12:47,297 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 05:12:47,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 05:12:47,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:47,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:12:47,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db598d8d-22a9-4a6d-913c-19e4220c7d8a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:12:47,304 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db598d8d-22a9-4a6d-913c-19e4220c7d8a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:12:47,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db598d8d-22a9-4a6d-913c-19e4220c7d8a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 05:12:48,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:48,423 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:12:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:48,766 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 05:12:48,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:12:48,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:48,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db598d8d-22a9-4a6d-913c-19e4220c7d8a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 05:12:50,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 05:12:51,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:51,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 05:12:51,098 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 05:12:51,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:12:51,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:51,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:12:51,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db598d8d-22a9-4a6d-913c-19e4220c7d8a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:12:51,102 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db598d8d-22a9-4a6d-913c-19e4220c7d8a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:12:51,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db598d8d-22a9-4a6d-913c-19e4220c7d8a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 05:12:53,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:53,541 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:12:54,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:54,242 INFO L256 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-11-25 05:12:54,280 INFO L279 TraceCheckSpWp]: Computing forward predicates...