./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d16_e0.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/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_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d16_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/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_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/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 fc3dd6a87fcbbda92d2ef86eac2f1110715a91bf4cd8be375753a9611c0b48d5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:47:32,365 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:47:32,431 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 03:47:32,436 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:47:32,436 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:47:32,460 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:47:32,461 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:47:32,461 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:47:32,462 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:47:32,462 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:47:32,463 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:47:32,464 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:47:32,464 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:47:32,465 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:47:32,465 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:47:32,466 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:47:32,466 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:47:32,467 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:47:32,467 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:47:32,468 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:47:32,468 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:47:32,473 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:47:32,473 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:47:32,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:47:32,474 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:47:32,474 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:47:32,475 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:47:32,475 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:47:32,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:47:32,476 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:47:32,476 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_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc3dd6a87fcbbda92d2ef86eac2f1110715a91bf4cd8be375753a9611c0b48d5 [2023-12-03 03:47:32,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:47:32,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:47:32,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:47:32,729 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:47:32,729 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:47:32,730 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d16_e0.c [2023-12-03 03:47:35,456 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:47:35,687 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:47:35,688 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d16_e0.c [2023-12-03 03:47:35,700 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/bin/ukojak-verify-Qdu7aM0XO9/data/9bbf25c24/837e364b1c4148cd832766ecab1cf49d/FLAG2c0ad13bc [2023-12-03 03:47:35,714 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/bin/ukojak-verify-Qdu7aM0XO9/data/9bbf25c24/837e364b1c4148cd832766ecab1cf49d [2023-12-03 03:47:35,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:47:35,718 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:47:35,719 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:47:35,719 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:47:35,722 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:47:35,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:47:35" (1/1) ... [2023-12-03 03:47:35,724 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@693be3df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:35, skipping insertion in model container [2023-12-03 03:47:35,724 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:47:35" (1/1) ... [2023-12-03 03:47:35,785 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:47:35,943 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_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d16_e0.c[1280,1293] [2023-12-03 03:47:36,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:47:36,151 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:47:36,161 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_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d16_e0.c[1280,1293] [2023-12-03 03:47:36,274 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:47:36,285 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:47:36,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:36 WrapperNode [2023-12-03 03:47:36,285 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:47:36,286 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:47:36,286 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:47:36,287 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:47:36,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:36" (1/1) ... [2023-12-03 03:47:36,332 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:36" (1/1) ... [2023-12-03 03:47:36,527 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2185 [2023-12-03 03:47:36,527 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:47:36,528 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:47:36,528 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:47:36,529 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:47:36,538 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:36" (1/1) ... [2023-12-03 03:47:36,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:36" (1/1) ... [2023-12-03 03:47:36,569 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:36" (1/1) ... [2023-12-03 03:47:36,569 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:36" (1/1) ... [2023-12-03 03:47:36,622 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:36" (1/1) ... [2023-12-03 03:47:36,634 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:36" (1/1) ... [2023-12-03 03:47:36,660 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:36" (1/1) ... [2023-12-03 03:47:36,671 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:36" (1/1) ... [2023-12-03 03:47:36,714 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:47:36,715 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:47:36,715 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:47:36,715 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:47:36,716 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:36" (1/1) ... [2023-12-03 03:47:36,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:47:36,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:47:36,741 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:47:36,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:47:36,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:47:36,774 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 03:47:36,775 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 03:47:36,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:47:36,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:47:36,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:47:37,027 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:47:37,029 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:47:38,654 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:47:40,964 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:47:40,964 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 03:47:40,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:47:40 BoogieIcfgContainer [2023-12-03 03:47:40,965 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:47:40,966 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:47:40,966 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:47:40,976 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:47:40,976 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:47:40" (1/1) ... [2023-12-03 03:47:40,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:47:41,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:41,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-12-03 03:47:41,042 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-12-03 03:47:41,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:47:41,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:41,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:47:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:45,853 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:47:48,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:47:50,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:50,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2023-12-03 03:47:50,890 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2023-12-03 03:47:50,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 03:47:50,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:50,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:48:07,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:48:07,610 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:48:19,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:48:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 03:48:29,903 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) [2023-12-03 03:48:29,906 INFO L158 Benchmark]: Toolchain (without parser) took 54188.03ms. Allocated memory was 205.5MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 164.8MB in the beginning and 523.1MB in the end (delta: -358.4MB). Peak memory consumption was 713.2MB. Max. memory is 16.1GB. [2023-12-03 03:48:29,906 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 119.5MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:48:29,907 INFO L158 Benchmark]: CACSL2BoogieTranslator took 567.21ms. Allocated memory is still 205.5MB. Free memory was 163.8MB in the beginning and 127.0MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-03 03:48:29,908 INFO L158 Benchmark]: Boogie Procedure Inliner took 241.34ms. Allocated memory is still 205.5MB. Free memory was 127.0MB in the beginning and 87.2MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-12-03 03:48:29,908 INFO L158 Benchmark]: Boogie Preprocessor took 185.78ms. Allocated memory is still 205.5MB. Free memory was 86.2MB in the beginning and 71.9MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 03:48:29,909 INFO L158 Benchmark]: RCFGBuilder took 4250.69ms. Allocated memory was 205.5MB in the beginning and 337.6MB in the end (delta: 132.1MB). Free memory was 71.9MB in the beginning and 199.7MB in the end (delta: -127.8MB). Peak memory consumption was 122.3MB. Max. memory is 16.1GB. [2023-12-03 03:48:29,910 INFO L158 Benchmark]: CodeCheck took 48939.00ms. Allocated memory was 337.6MB in the beginning and 1.3GB in the end (delta: 939.5MB). Free memory was 199.7MB in the beginning and 523.1MB in the end (delta: -323.4MB). Peak memory consumption was 614.0MB. Max. memory is 16.1GB. [2023-12-03 03:48:29,913 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 0.22ms. Allocated memory is still 119.5MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 567.21ms. Allocated memory is still 205.5MB. Free memory was 163.8MB in the beginning and 127.0MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 241.34ms. Allocated memory is still 205.5MB. Free memory was 127.0MB in the beginning and 87.2MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 185.78ms. Allocated memory is still 205.5MB. Free memory was 86.2MB in the beginning and 71.9MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 4250.69ms. Allocated memory was 205.5MB in the beginning and 337.6MB in the end (delta: 132.1MB). Free memory was 71.9MB in the beginning and 199.7MB in the end (delta: -127.8MB). Peak memory consumption was 122.3MB. Max. memory is 16.1GB. * CodeCheck took 48939.00ms. Allocated memory was 337.6MB in the beginning and 1.3GB in the end (delta: 939.5MB). Free memory was 199.7MB in the beginning and 523.1MB in the end (delta: -323.4MB). Peak memory consumption was 614.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 03:48:29,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/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_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d16_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/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_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/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 fc3dd6a87fcbbda92d2ef86eac2f1110715a91bf4cd8be375753a9611c0b48d5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:48:31,820 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:48:31,893 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 03:48:31,922 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:48:31,923 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:48:31,923 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:48:31,924 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:48:31,925 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:48:31,925 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:48:31,926 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:48:31,926 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:48:31,927 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:48:31,927 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:48:31,928 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:48:31,928 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:48:31,929 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:48:31,930 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:48:31,930 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:48:31,931 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:48:31,931 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:48:31,932 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:48:31,932 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:48:31,933 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:31,934 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:48:31,934 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:48:31,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:48:31,935 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:48:31,936 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:48:31,936 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:48:31,937 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:48:31,937 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:31,937 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:48:31,938 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:48:31,938 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:48:31,938 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_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc3dd6a87fcbbda92d2ef86eac2f1110715a91bf4cd8be375753a9611c0b48d5 [2023-12-03 03:48:32,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:48:32,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:48:32,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:48:32,251 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:48:32,251 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:48:32,252 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d16_e0.c [2023-12-03 03:48:35,048 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:48:35,306 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:48:35,307 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d16_e0.c [2023-12-03 03:48:35,320 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/bin/ukojak-verify-Qdu7aM0XO9/data/f79332c2c/e0f27128350540a6836d02174f07510b/FLAGcad4c9938 [2023-12-03 03:48:35,333 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/bin/ukojak-verify-Qdu7aM0XO9/data/f79332c2c/e0f27128350540a6836d02174f07510b [2023-12-03 03:48:35,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:48:35,336 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:48:35,338 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:48:35,338 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:48:35,342 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:48:35,342 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:48:35" (1/1) ... [2023-12-03 03:48:35,343 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ab1d16a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:48:35, skipping insertion in model container [2023-12-03 03:48:35,343 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:48:35" (1/1) ... [2023-12-03 03:48:35,400 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:48:35,541 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_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d16_e0.c[1280,1293] [2023-12-03 03:48:35,726 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:48:35,738 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:48:35,752 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_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d16_e0.c[1280,1293] [2023-12-03 03:48:35,836 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:48:35,849 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:48:35,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:48:35 WrapperNode [2023-12-03 03:48:35,849 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:48:35,850 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:48:35,851 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:48:35,851 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:48:35,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:48:35" (1/1) ... [2023-12-03 03:48:35,884 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:48:35" (1/1) ... [2023-12-03 03:48:35,952 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 915 [2023-12-03 03:48:35,953 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:48:35,954 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:48:35,954 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:48:35,954 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:48:35,963 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:48:35" (1/1) ... [2023-12-03 03:48:35,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:48:35" (1/1) ... [2023-12-03 03:48:35,974 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:48:35" (1/1) ... [2023-12-03 03:48:35,975 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:48:35" (1/1) ... [2023-12-03 03:48:36,004 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:48:35" (1/1) ... [2023-12-03 03:48:36,009 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:48:35" (1/1) ... [2023-12-03 03:48:36,014 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:48:35" (1/1) ... [2023-12-03 03:48:36,021 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:48:35" (1/1) ... [2023-12-03 03:48:36,033 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:48:36,034 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:48:36,034 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:48:36,034 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:48:36,035 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:48:35" (1/1) ... [2023-12-03 03:48:36,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:48:36,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:48:36,061 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:48:36,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:48:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:48:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:48:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 03:48:36,104 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 03:48:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:48:36,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:48:36,313 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:48:36,315 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:48:37,027 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:48:37,123 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:48:37,124 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 03:48:37,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:48:37 BoogieIcfgContainer [2023-12-03 03:48:37,125 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:48:37,126 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:48:37,126 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:48:37,134 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:48:37,134 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:48:37" (1/1) ... [2023-12-03 03:48:37,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:48:37,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:37,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-12-03 03:48:37,185 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-12-03 03:48:37,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:48:37,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:37,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:37,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:37,191 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:37,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:48:37,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:37,665 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:37,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 03:48:37,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:38,119 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:48:38,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:48:38,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:38,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2023-12-03 03:48:38,489 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2023-12-03 03:48:38,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 03:48:38,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:38,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:38,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:38,492 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:38,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 03:48:39,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:39,288 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:39,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 1047 conjuncts, 49 conjunts are in the unsatisfiable core [2023-12-03 03:48:39,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:40,330 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-12-03 03:48:40,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 03:48:41,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:41,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 53 transitions. [2023-12-03 03:48:41,731 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2023-12-03 03:48:41,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 03:48:41,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:41,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:41,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:41,734 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:41,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 03:48:43,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:43,088 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:43,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 163 conjunts are in the unsatisfiable core [2023-12-03 03:48:43,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:46,901 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 03:48:46,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 03:48:53,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:53,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 59 states and 102 transitions. [2023-12-03 03:48:53,301 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 102 transitions. [2023-12-03 03:48:53,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 03:48:53,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:53,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:53,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:53,304 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:53,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6f657c-b003-4c3f-b49c-eee6f0c1ce63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 03:48:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:55,829 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:57,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 2443 conjuncts, 460 conjunts are in the unsatisfiable core [2023-12-03 03:48:57,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:27,338 WARN L293 SmtUtils]: Spent 21.24s on a formula simplification. DAG size of input: 200 DAG size of output: 159 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)