./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.1.prop1-func-interl.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_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/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_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/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_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/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 aba1221204f0dfab6bbe54d8861cf1fb88f9109d65404caf61ae5236ccf822b6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:39:27,349 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:39:27,437 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 03:39:27,442 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:39:27,442 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:39:27,471 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:39:27,472 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:39:27,472 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:39:27,472 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:39:27,475 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:39:27,475 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:39:27,476 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:39:27,476 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:39:27,476 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:39:27,476 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:39:27,476 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:39:27,476 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:39:27,476 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:39:27,476 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:39:27,479 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:39:27,479 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:39:27,479 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:39:27,479 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:39:27,479 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:39:27,479 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:39:27,479 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:39:27,479 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:39:27,479 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:39:27,479 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:39:27,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:39:27,480 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_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/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 -> aba1221204f0dfab6bbe54d8861cf1fb88f9109d65404caf61ae5236ccf822b6 [2024-11-25 03:39:27,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:39:27,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:39:27,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:39:27,816 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:39:27,816 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:39:27,818 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.1.prop1-func-interl.c [2024-11-25 03:39:30,745 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/bin/ukojak-verify-ENZ3QT5qd3/data/f4e1d7a54/0331a62588624437b1c8d02b6e8f65a9/FLAG7aa4ab2e9 [2024-11-25 03:39:31,126 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:39:31,130 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.1.prop1-func-interl.c [2024-11-25 03:39:31,151 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/bin/ukojak-verify-ENZ3QT5qd3/data/f4e1d7a54/0331a62588624437b1c8d02b6e8f65a9/FLAG7aa4ab2e9 [2024-11-25 03:39:31,176 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/bin/ukojak-verify-ENZ3QT5qd3/data/f4e1d7a54/0331a62588624437b1c8d02b6e8f65a9 [2024-11-25 03:39:31,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:39:31,182 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:39:31,184 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:39:31,185 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:39:31,190 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:39:31,191 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:39:31" (1/1) ... [2024-11-25 03:39:31,194 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@174aeba9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:31, skipping insertion in model container [2024-11-25 03:39:31,194 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:39:31" (1/1) ... [2024-11-25 03:39:31,261 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:39:31,478 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_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.1.prop1-func-interl.c[1171,1184] [2024-11-25 03:39:31,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:39:31,830 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:39:31,842 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_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.1.prop1-func-interl.c[1171,1184] [2024-11-25 03:39:32,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:39:32,022 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:39:32,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:32 WrapperNode [2024-11-25 03:39:32,023 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:39:32,024 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:39:32,024 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:39:32,024 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:39:32,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:32" (1/1) ... [2024-11-25 03:39:32,093 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:32" (1/1) ... [2024-11-25 03:39:32,484 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2520 [2024-11-25 03:39:32,485 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:39:32,486 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:39:32,486 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:39:32,487 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:39:32,495 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:32" (1/1) ... [2024-11-25 03:39:32,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:32" (1/1) ... [2024-11-25 03:39:32,600 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:32" (1/1) ... [2024-11-25 03:39:32,601 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:32" (1/1) ... [2024-11-25 03:39:32,745 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:32" (1/1) ... [2024-11-25 03:39:32,773 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:32" (1/1) ... [2024-11-25 03:39:32,804 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:32" (1/1) ... [2024-11-25 03:39:32,852 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:32" (1/1) ... [2024-11-25 03:39:32,880 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:32" (1/1) ... [2024-11-25 03:39:33,039 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:39:33,042 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:39:33,042 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:39:33,043 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:39:33,044 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:32" (1/1) ... [2024-11-25 03:39:33,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:39:33,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:39:33,095 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:39:33,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:39:33,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:39:33,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:39:33,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:39:33,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:39:33,569 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:39:33,572 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:39:37,435 INFO L? ?]: Removed 1519 outVars from TransFormulas that were not future-live. [2024-11-25 03:39:37,436 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:39:43,398 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:39:43,399 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:39:43,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:39:43 BoogieIcfgContainer [2024-11-25 03:39:43,400 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:39:43,401 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:39:43,401 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:39:43,412 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:39:43,413 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:39:43" (1/1) ... [2024-11-25 03:39:43,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:39:43,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:39:43,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:39:43,491 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:39:43,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:39:43,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:39:43,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:39:43,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:39:44,823 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 03:39:54,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:40:05,053 WARN L539 Checker$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 03:40:05,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:05,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 03:40:05,205 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 03:40:05,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:40:05,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:05,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:40:23,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:40:33,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:40:33,751 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 03:40:33,757 INFO L158 Benchmark]: Toolchain (without parser) took 62574.49ms. Allocated memory was 117.4MB in the beginning and 1.0GB in the end (delta: 897.6MB). Free memory was 91.2MB in the beginning and 317.9MB in the end (delta: -226.7MB). Peak memory consumption was 669.9MB. Max. memory is 16.1GB. [2024-11-25 03:40:33,758 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:40:33,758 INFO L158 Benchmark]: CACSL2BoogieTranslator took 839.15ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 47.8MB in the end (delta: 43.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 03:40:33,759 INFO L158 Benchmark]: Boogie Procedure Inliner took 461.22ms. Allocated memory is still 117.4MB. Free memory was 47.8MB in the beginning and 38.2MB in the end (delta: 9.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-25 03:40:33,760 INFO L158 Benchmark]: Boogie Preprocessor took 553.28ms. Allocated memory was 117.4MB in the beginning and 318.8MB in the end (delta: 201.3MB). Free memory was 38.2MB in the beginning and 241.9MB in the end (delta: -203.7MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-11-25 03:40:33,760 INFO L158 Benchmark]: RCFGBuilder took 10358.06ms. Allocated memory was 318.8MB in the beginning and 419.4MB in the end (delta: 100.7MB). Free memory was 241.9MB in the beginning and 70.7MB in the end (delta: 171.2MB). Peak memory consumption was 280.3MB. Max. memory is 16.1GB. [2024-11-25 03:40:33,761 INFO L158 Benchmark]: CodeCheck took 50354.92ms. Allocated memory was 419.4MB in the beginning and 1.0GB in the end (delta: 595.6MB). Free memory was 70.7MB in the beginning and 317.9MB in the end (delta: -247.1MB). Peak memory consumption was 345.2MB. Max. memory is 16.1GB. [2024-11-25 03:40:33,764 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 74.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 839.15ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 47.8MB in the end (delta: 43.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 461.22ms. Allocated memory is still 117.4MB. Free memory was 47.8MB in the beginning and 38.2MB in the end (delta: 9.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 553.28ms. Allocated memory was 117.4MB in the beginning and 318.8MB in the end (delta: 201.3MB). Free memory was 38.2MB in the beginning and 241.9MB in the end (delta: -203.7MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * RCFGBuilder took 10358.06ms. Allocated memory was 318.8MB in the beginning and 419.4MB in the end (delta: 100.7MB). Free memory was 241.9MB in the beginning and 70.7MB in the end (delta: 171.2MB). Peak memory consumption was 280.3MB. Max. memory is 16.1GB. * CodeCheck took 50354.92ms. Allocated memory was 419.4MB in the beginning and 1.0GB in the end (delta: 595.6MB). Free memory was 70.7MB in the beginning and 317.9MB in the end (delta: -247.1MB). Peak memory consumption was 345.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:40:33,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/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_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/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_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/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 aba1221204f0dfab6bbe54d8861cf1fb88f9109d65404caf61ae5236ccf822b6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:40:36,482 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:40:36,609 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 03:40:36,659 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:40:36,660 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:40:36,661 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:40:36,661 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:40:36,661 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:40:36,662 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:40:36,662 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:40:36,663 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:40:36,663 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:40:36,663 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:40:36,663 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:40:36,663 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:40:36,664 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:40:36,664 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:40:36,664 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:40:36,664 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:40:36,664 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:40:36,664 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:40:36,664 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:40:36,664 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:40:36,664 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:40:36,664 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:40:36,665 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:40:36,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:40:36,665 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:40:36,665 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:40:36,665 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:40:36,665 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:40:36,665 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:40:36,665 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:40:36,665 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_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/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 -> aba1221204f0dfab6bbe54d8861cf1fb88f9109d65404caf61ae5236ccf822b6 [2024-11-25 03:40:37,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:40:37,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:40:37,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:40:37,053 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:40:37,054 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:40:37,055 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.1.prop1-func-interl.c [2024-11-25 03:40:40,063 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/bin/ukojak-verify-ENZ3QT5qd3/data/7f380d663/996192a389154b51a78fffc34b1e1b0b/FLAGe498a2432 [2024-11-25 03:40:40,434 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:40:40,436 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.1.prop1-func-interl.c [2024-11-25 03:40:40,455 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/bin/ukojak-verify-ENZ3QT5qd3/data/7f380d663/996192a389154b51a78fffc34b1e1b0b/FLAGe498a2432 [2024-11-25 03:40:40,478 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/bin/ukojak-verify-ENZ3QT5qd3/data/7f380d663/996192a389154b51a78fffc34b1e1b0b [2024-11-25 03:40:40,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:40:40,485 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:40:40,487 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:40:40,488 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:40:40,497 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:40:40,498 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:40:40" (1/1) ... [2024-11-25 03:40:40,499 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@413b691d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:40, skipping insertion in model container [2024-11-25 03:40:40,500 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:40:40" (1/1) ... [2024-11-25 03:40:40,563 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:40:40,801 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_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.1.prop1-func-interl.c[1171,1184] [2024-11-25 03:40:41,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:40:41,112 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:40:41,124 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_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.1.prop1-func-interl.c[1171,1184] [2024-11-25 03:40:41,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:40:41,289 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:40:41,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:41 WrapperNode [2024-11-25 03:40:41,289 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:40:41,291 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:40:41,291 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:40:41,292 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:40:41,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:41" (1/1) ... [2024-11-25 03:40:41,328 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:41" (1/1) ... [2024-11-25 03:40:41,412 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 988 [2024-11-25 03:40:41,413 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:40:41,413 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:40:41,414 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:40:41,414 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:40:41,421 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:41" (1/1) ... [2024-11-25 03:40:41,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:41" (1/1) ... [2024-11-25 03:40:41,430 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:41" (1/1) ... [2024-11-25 03:40:41,431 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:41" (1/1) ... [2024-11-25 03:40:41,466 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:41" (1/1) ... [2024-11-25 03:40:41,468 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:41" (1/1) ... [2024-11-25 03:40:41,476 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:41" (1/1) ... [2024-11-25 03:40:41,487 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:41" (1/1) ... [2024-11-25 03:40:41,495 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:41" (1/1) ... [2024-11-25 03:40:41,511 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:40:41,512 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:40:41,515 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:40:41,516 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:40:41,517 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:41" (1/1) ... [2024-11-25 03:40:41,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:40:41,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:40:41,562 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:40:41,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:40:41,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:40:41,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:40:41,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:40:41,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:40:41,961 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:40:41,964 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:40:43,745 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-11-25 03:40:43,746 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:40:43,810 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:40:43,810 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:40:43,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:40:43 BoogieIcfgContainer [2024-11-25 03:40:43,811 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:40:43,812 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:40:43,813 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:40:43,824 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:40:43,825 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:40:43" (1/1) ... [2024-11-25 03:40:43,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:40:43,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:43,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:40:43,899 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:40:43,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:40:43,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:43,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:40:43,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:40:43,908 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:40:43,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:40:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:44,390 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:40:44,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:44,498 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 03:40:44,506 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:40:44,615 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 03:40:44,619 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 03:40:44,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:40:44,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:44,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 03:40:44,865 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 03:40:44,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:40:44,866 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:44,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:40:44,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:40:44,869 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:40:44,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:40:45,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:45,624 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:40:45,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:45,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 03:40:45,899 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:10,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:42:10,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 03:42:12,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:12,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2024-11-25 03:42:12,469 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2024-11-25 03:42:12,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 03:42:12,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:12,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:12,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:12,474 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:12,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ab7ba2-5146-4bd2-9dc8-1074c0754925/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 03:42:13,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:13,425 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:13,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-25 03:42:13,696 INFO L279 TraceCheckSpWp]: Computing forward predicates...