./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9 --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 0912ab1201bdb71c08393fa993561718ce54d772626acabbc8081e133d417f51 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:57:23,922 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:57:23,989 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 20:57:23,994 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:57:23,994 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 20:57:24,017 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:57:24,018 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:57:24,019 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 20:57:24,020 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:57:24,020 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:57:24,021 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:57:24,021 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:57:24,022 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:57:24,023 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:57:24,023 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:57:24,024 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:57:24,024 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:57:24,025 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:57:24,025 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:57:24,026 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 20:57:24,026 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 20:57:24,027 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 20:57:24,027 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:57:24,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:57:24,028 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:57:24,029 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:57:24,029 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:57:24,030 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 20:57:24,030 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 20:57:24,030 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:57:24,031 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0912ab1201bdb71c08393fa993561718ce54d772626acabbc8081e133d417f51 [2023-12-02 20:57:24,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:57:24,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:57:24,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:57:24,305 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:57:24,305 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:57:24,307 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.prop1-func-interl.c [2023-12-02 20:57:27,077 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:57:27,398 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:57:27,399 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.prop1-func-interl.c [2023-12-02 20:57:27,422 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9/data/61d0a81ef/2b679bb064364b2b942199136bbfb630/FLAG1ed776ed1 [2023-12-02 20:57:27,437 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9/data/61d0a81ef/2b679bb064364b2b942199136bbfb630 [2023-12-02 20:57:27,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:57:27,441 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:57:27,442 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:57:27,443 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:57:27,447 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:57:27,448 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:57:27" (1/1) ... [2023-12-02 20:57:27,449 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28a79c55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:57:27, skipping insertion in model container [2023-12-02 20:57:27,449 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:57:27" (1/1) ... [2023-12-02 20:57:27,560 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:57:27,759 WARN L240 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_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.prop1-func-interl.c[1175,1188] [2023-12-02 20:57:28,239 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:57:28,250 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:57:28,262 WARN L240 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_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.prop1-func-interl.c[1175,1188] [2023-12-02 20:57:28,536 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:57:28,550 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:57:28,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:57:28 WrapperNode [2023-12-02 20:57:28,551 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:57:28,552 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:57:28,552 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:57:28,552 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:57:28,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:57:28" (1/1) ... [2023-12-02 20:57:28,635 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:57:28" (1/1) ... [2023-12-02 20:57:29,551 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11673 [2023-12-02 20:57:29,552 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:57:29,552 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:57:29,552 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:57:29,553 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:57:29,560 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:57:28" (1/1) ... [2023-12-02 20:57:29,561 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:57:28" (1/1) ... [2023-12-02 20:57:29,743 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:57:28" (1/1) ... [2023-12-02 20:57:29,743 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:57:28" (1/1) ... [2023-12-02 20:57:29,995 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:57:28" (1/1) ... [2023-12-02 20:57:30,063 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:57:28" (1/1) ... [2023-12-02 20:57:30,142 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:57:28" (1/1) ... [2023-12-02 20:57:30,180 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:57:28" (1/1) ... [2023-12-02 20:57:30,399 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:57:30,400 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:57:30,400 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:57:30,400 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:57:30,401 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:57:28" (1/1) ... [2023-12-02 20:57:30,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:57:30,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 20:57:30,427 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 20:57:30,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 20:57:30,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:57:30,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 20:57:30,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:57:30,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:57:31,001 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:57:31,003 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:57:38,469 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:57:51,837 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:57:51,837 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 20:57:51,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:57:51 BoogieIcfgContainer [2023-12-02 20:57:51,839 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:57:51,840 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 20:57:51,840 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 20:57:51,850 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 20:57:51,850 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:57:51" (1/1) ... [2023-12-02 20:57:51,857 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:57:51,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:57:51,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 20:57:51,905 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 20:57:51,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 20:57:51,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:57:51,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:57:52,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:57:55,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:58:05,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.63s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 20:58:15,879 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 [] [2023-12-02 20:58:16,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:58:16,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-02 20:58:16,383 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-02 20:58:16,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 20:58:16,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:58:16,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:58:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 20:58:28,477 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:488) 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) [2023-12-02 20:58:28,481 INFO L158 Benchmark]: Toolchain (without parser) took 61039.72ms. Allocated memory was 134.2MB in the beginning and 4.6GB in the end (delta: 4.4GB). Free memory was 90.7MB in the beginning and 3.7GB in the end (delta: -3.6GB). Peak memory consumption was 844.6MB. Max. memory is 16.1GB. [2023-12-02 20:58:28,482 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 134.2MB. Free memory was 105.7MB in the beginning and 105.6MB in the end (delta: 84.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:58:28,483 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1108.64ms. Allocated memory was 134.2MB in the beginning and 178.3MB in the end (delta: 44.0MB). Free memory was 90.3MB in the beginning and 96.5MB in the end (delta: -6.2MB). Peak memory consumption was 84.8MB. Max. memory is 16.1GB. [2023-12-02 20:58:28,484 INFO L158 Benchmark]: Boogie Procedure Inliner took 1000.22ms. Allocated memory was 178.3MB in the beginning and 474.0MB in the end (delta: 295.7MB). Free memory was 96.5MB in the beginning and 250.1MB in the end (delta: -153.6MB). Peak memory consumption was 183.9MB. Max. memory is 16.1GB. [2023-12-02 20:58:28,485 INFO L158 Benchmark]: Boogie Preprocessor took 846.66ms. Allocated memory is still 474.0MB. Free memory was 250.1MB in the beginning and 193.0MB in the end (delta: 57.1MB). Peak memory consumption was 116.9MB. Max. memory is 16.1GB. [2023-12-02 20:58:28,486 INFO L158 Benchmark]: RCFGBuilder took 21439.17ms. Allocated memory was 474.0MB in the beginning and 4.6GB in the end (delta: 4.1GB). Free memory was 193.0MB in the beginning and 3.4GB in the end (delta: -3.2GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2023-12-02 20:58:28,487 INFO L158 Benchmark]: CodeCheck took 36640.37ms. Allocated memory is still 4.6GB. Free memory was 3.4GB in the beginning and 3.7GB in the end (delta: -320.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:58:28,491 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:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 134.2MB. Free memory was 105.7MB in the beginning and 105.6MB in the end (delta: 84.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1108.64ms. Allocated memory was 134.2MB in the beginning and 178.3MB in the end (delta: 44.0MB). Free memory was 90.3MB in the beginning and 96.5MB in the end (delta: -6.2MB). Peak memory consumption was 84.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1000.22ms. Allocated memory was 178.3MB in the beginning and 474.0MB in the end (delta: 295.7MB). Free memory was 96.5MB in the beginning and 250.1MB in the end (delta: -153.6MB). Peak memory consumption was 183.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 846.66ms. Allocated memory is still 474.0MB. Free memory was 250.1MB in the beginning and 193.0MB in the end (delta: 57.1MB). Peak memory consumption was 116.9MB. Max. memory is 16.1GB. * RCFGBuilder took 21439.17ms. Allocated memory was 474.0MB in the beginning and 4.6GB in the end (delta: 4.1GB). Free memory was 193.0MB in the beginning and 3.4GB in the end (delta: -3.2GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. * CodeCheck took 36640.37ms. Allocated memory is still 4.6GB. Free memory was 3.4GB in the beginning and 3.7GB in the end (delta: -320.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 20:58:28,704 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-02 20:58:28,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9 --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 0912ab1201bdb71c08393fa993561718ce54d772626acabbc8081e133d417f51 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:58:30,620 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:58:30,704 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 20:58:30,734 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:58:30,735 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:58:30,735 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 20:58:30,736 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:58:30,736 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:58:30,737 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:58:30,738 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:58:30,739 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:58:30,739 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:58:30,740 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:58:30,740 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:58:30,741 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 20:58:30,742 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 20:58:30,742 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 20:58:30,743 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:58:30,744 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:58:30,744 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 20:58:30,745 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 20:58:30,745 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 20:58:30,746 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 20:58:30,746 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 20:58:30,747 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:58:30,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:58:30,748 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:58:30,748 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:58:30,749 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:58:30,749 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 20:58:30,749 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 20:58:30,750 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:58:30,750 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 20:58:30,750 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 20:58:30,751 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0912ab1201bdb71c08393fa993561718ce54d772626acabbc8081e133d417f51 [2023-12-02 20:58:31,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:58:31,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:58:31,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:58:31,055 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:58:31,056 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:58:31,057 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.prop1-func-interl.c [2023-12-02 20:58:33,785 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:58:34,138 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:58:34,139 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.prop1-func-interl.c [2023-12-02 20:58:34,165 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9/data/ebda30087/856c62973fb44ce089b6796ff930283c/FLAGb2b647c20 [2023-12-02 20:58:34,181 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9/data/ebda30087/856c62973fb44ce089b6796ff930283c [2023-12-02 20:58:34,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:58:34,186 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:58:34,187 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:58:34,187 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:58:34,192 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:58:34,193 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:58:34" (1/1) ... [2023-12-02 20:58:34,195 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ac82819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:34, skipping insertion in model container [2023-12-02 20:58:34,195 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:58:34" (1/1) ... [2023-12-02 20:58:34,300 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:58:34,509 WARN L240 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_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.prop1-func-interl.c[1175,1188] [2023-12-02 20:58:34,848 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:58:34,859 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:58:34,870 WARN L240 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_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.prop1-func-interl.c[1175,1188] [2023-12-02 20:58:35,045 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:58:35,057 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:58:35,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:35 WrapperNode [2023-12-02 20:58:35,057 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:58:35,058 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:58:35,058 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:58:35,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:58:35,064 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:35" (1/1) ... [2023-12-02 20:58:35,112 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:35" (1/1) ... [2023-12-02 20:58:35,242 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3044 [2023-12-02 20:58:35,242 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:58:35,243 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:58:35,243 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:58:35,244 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:58:35,253 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:35" (1/1) ... [2023-12-02 20:58:35,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:35" (1/1) ... [2023-12-02 20:58:35,271 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:35" (1/1) ... [2023-12-02 20:58:35,271 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:35" (1/1) ... [2023-12-02 20:58:35,333 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:35" (1/1) ... [2023-12-02 20:58:35,359 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:35" (1/1) ... [2023-12-02 20:58:35,373 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:35" (1/1) ... [2023-12-02 20:58:35,388 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:35" (1/1) ... [2023-12-02 20:58:35,403 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:58:35,404 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:58:35,404 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:58:35,404 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:58:35,405 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:35" (1/1) ... [2023-12-02 20:58:35,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:58:35,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 20:58:35,432 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 20:58:35,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 20:58:35,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:58:35,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 20:58:35,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:58:35,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:58:35,948 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:58:35,951 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:58:40,787 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:58:41,009 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:58:41,009 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 20:58:41,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:58:41 BoogieIcfgContainer [2023-12-02 20:58:41,011 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:58:41,012 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 20:58:41,012 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 20:58:41,022 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 20:58:41,022 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:58:41" (1/1) ... [2023-12-02 20:58:41,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:58:41,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:58:41,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 20:58:41,081 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 20:58:41,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 20:58:41,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:58:41,083 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:58:41,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:58:41,114 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:58:41,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 20:58:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:58:41,950 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:58:42,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:58:42,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 20:58:42,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:58:42,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:58:42,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 20:58:43,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:58:43,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-02 20:58:43,175 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-02 20:58:43,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 20:58:43,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:58:43,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:58:43,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:58:43,177 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:58:43,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 20:58:45,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:58:45,019 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:58:45,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:58:45,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 2542 conjuncts, 155 conjunts are in the unsatisfiable core [2023-12-02 20:58:45,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:58:47,960 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:58:47,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 20:58:55,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:58:55,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2023-12-02 20:58:55,346 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2023-12-02 20:58:55,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 20:58:55,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:58:55,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:58:55,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:58:55,349 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:58:55,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e4c9b97-8eac-41f1-a4b8-8b8a7fef4956/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 20:58:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:58:58,037 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:58:59,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:58:59,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 4906 conjuncts, 360 conjunts are in the unsatisfiable core [2023-12-02 20:58:59,323 INFO L285 TraceCheckSpWp]: Computing forward predicates...