./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.exit.1.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.exit.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 561f6f96d2800afd15f3d43c8f252b7fb8a80fc52997440ac59e976ed2ca4774 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:26:59,137 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:26:59,240 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 04:26:59,246 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:26:59,247 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:26:59,286 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:26:59,289 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:26:59,290 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:26:59,291 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:26:59,291 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:26:59,292 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:26:59,292 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:26:59,293 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:26:59,293 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:26:59,293 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:26:59,293 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:26:59,294 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:26:59,294 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:26:59,295 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:26:59,296 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:26:59,296 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:26:59,296 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:26:59,296 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:26:59,296 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:26:59,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:26:59,297 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:26:59,297 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:26:59,297 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:26:59,297 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:26:59,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:26:59,298 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 561f6f96d2800afd15f3d43c8f252b7fb8a80fc52997440ac59e976ed2ca4774 [2024-11-25 04:26:59,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:26:59,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:26:59,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:26:59,731 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:26:59,732 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:26:59,734 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.exit.1.prop1-func-interl.c [2024-11-25 04:27:03,574 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/bin/ukojak-verify-ENZ3QT5qd3/data/8db6ae43b/0b83adc1a65447fd919e7b85513df5be/FLAG48020b1c8 [2024-11-25 04:27:04,131 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:27:04,132 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.exit.1.prop1-func-interl.c [2024-11-25 04:27:04,170 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/bin/ukojak-verify-ENZ3QT5qd3/data/8db6ae43b/0b83adc1a65447fd919e7b85513df5be/FLAG48020b1c8 [2024-11-25 04:27:04,682 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/bin/ukojak-verify-ENZ3QT5qd3/data/8db6ae43b/0b83adc1a65447fd919e7b85513df5be [2024-11-25 04:27:04,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:27:04,687 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:27:04,689 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:27:04,689 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:27:04,694 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:27:04,694 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:27:04" (1/1) ... [2024-11-25 04:27:04,695 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68e4669a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:27:04, skipping insertion in model container [2024-11-25 04:27:04,696 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:27:04" (1/1) ... [2024-11-25 04:27:04,814 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:27:05,140 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.exit.1.prop1-func-interl.c[1171,1184] [2024-11-25 04:27:05,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:27:05,876 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:27:05,892 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.exit.1.prop1-func-interl.c[1171,1184] [2024-11-25 04:27:06,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:27:06,358 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:27:06,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:27:06 WrapperNode [2024-11-25 04:27:06,360 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:27:06,361 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:27:06,362 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:27:06,362 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:27:06,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:27:06" (1/1) ... [2024-11-25 04:27:06,498 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:27:06" (1/1) ... [2024-11-25 04:27:07,908 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7465 [2024-11-25 04:27:07,910 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:27:07,911 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:27:07,911 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:27:07,911 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:27:07,922 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:27:06" (1/1) ... [2024-11-25 04:27:07,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:27:06" (1/1) ... [2024-11-25 04:27:08,426 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:27:06" (1/1) ... [2024-11-25 04:27:08,426 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:27:06" (1/1) ... [2024-11-25 04:27:09,078 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:27:06" (1/1) ... [2024-11-25 04:27:09,248 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:27:06" (1/1) ... [2024-11-25 04:27:09,320 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:27:06" (1/1) ... [2024-11-25 04:27:09,442 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:27:06" (1/1) ... [2024-11-25 04:27:09,489 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:27:06" (1/1) ... [2024-11-25 04:27:09,758 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:27:09,761 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:27:09,761 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:27:09,762 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:27:09,764 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:27:06" (1/1) ... [2024-11-25 04:27:09,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:27:09,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:27:09,804 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:27:09,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:27:09,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:27:09,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:27:09,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:27:09,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:27:10,449 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:27:10,451 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:27:34,099 INFO L? ?]: Removed 4263 outVars from TransFormulas that were not future-live. [2024-11-25 04:27:34,099 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:27:50,303 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:27:50,304 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:27:50,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:27:50 BoogieIcfgContainer [2024-11-25 04:27:50,305 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:27:50,306 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:27:50,306 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:27:50,322 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:27:50,322 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:27:50" (1/1) ... [2024-11-25 04:27:50,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:27:50,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:50,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 04:27:50,418 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 04:27:50,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 04:27:50,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:50,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:27:51,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:54,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:28:04,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:28:14,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:28:15,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:15,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 04:28:15,284 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 04:28:15,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:28:15,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:15,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:31:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:31:10,169 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:34:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:34:40,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:34:40,743 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 04:34:40,751 INFO L158 Benchmark]: Toolchain (without parser) took 456064.43ms. Allocated memory was 142.6MB in the beginning and 3.4GB in the end (delta: 3.3GB). Free memory was 113.8MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-11-25 04:34:40,752 INFO L158 Benchmark]: CDTParser took 1.15ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:34:40,752 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1671.92ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 76.5MB in the end (delta: 37.1MB). Peak memory consumption was 116.0MB. Max. memory is 16.1GB. [2024-11-25 04:34:40,756 INFO L158 Benchmark]: Boogie Procedure Inliner took 1548.74ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 76.5MB in the beginning and 155.5MB in the end (delta: -78.9MB). Peak memory consumption was 143.2MB. Max. memory is 16.1GB. [2024-11-25 04:34:40,756 INFO L158 Benchmark]: Boogie Preprocessor took 1847.73ms. Allocated memory was 310.4MB in the beginning and 587.2MB in the end (delta: 276.8MB). Free memory was 155.5MB in the beginning and 386.0MB in the end (delta: -230.5MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. [2024-11-25 04:34:40,757 INFO L158 Benchmark]: RCFGBuilder took 40544.28ms. Allocated memory was 587.2MB in the beginning and 3.4GB in the end (delta: 2.8GB). Free memory was 386.0MB in the beginning and 2.2GB in the end (delta: -1.8GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-25 04:34:40,757 INFO L158 Benchmark]: CodeCheck took 410444.63ms. Allocated memory is still 3.4GB. Free memory was 2.2GB in the beginning and 1.7GB in the end (delta: 457.7MB). Peak memory consumption was 465.0MB. Max. memory is 16.1GB. [2024-11-25 04:34:40,764 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.15ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1671.92ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 76.5MB in the end (delta: 37.1MB). Peak memory consumption was 116.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1548.74ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 76.5MB in the beginning and 155.5MB in the end (delta: -78.9MB). Peak memory consumption was 143.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1847.73ms. Allocated memory was 310.4MB in the beginning and 587.2MB in the end (delta: 276.8MB). Free memory was 155.5MB in the beginning and 386.0MB in the end (delta: -230.5MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. * RCFGBuilder took 40544.28ms. Allocated memory was 587.2MB in the beginning and 3.4GB in the end (delta: 2.8GB). Free memory was 386.0MB in the beginning and 2.2GB in the end (delta: -1.8GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * CodeCheck took 410444.63ms. Allocated memory is still 3.4GB. Free memory was 2.2GB in the beginning and 1.7GB in the end (delta: 457.7MB). Peak memory consumption was 465.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 04:34:40,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/bin/ukojak-verify-ENZ3QT5qd3/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.exit.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 561f6f96d2800afd15f3d43c8f252b7fb8a80fc52997440ac59e976ed2ca4774 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:34:43,423 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:34:43,544 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 04:34:43,590 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:34:43,591 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:34:43,591 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:34:43,591 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:34:43,592 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:34:43,592 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:34:43,593 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:34:43,593 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:34:43,594 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:34:43,594 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:34:43,594 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:34:43,594 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:34:43,594 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:34:43,595 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:34:43,595 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:34:43,595 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:34:43,595 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:34:43,595 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:34:43,596 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:34:43,596 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:34:43,596 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:34:43,596 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:34:43,596 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:34:43,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:34:43,596 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:34:43,597 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:34:43,597 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:34:43,598 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:34:43,598 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:34:43,598 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:34:43,598 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 561f6f96d2800afd15f3d43c8f252b7fb8a80fc52997440ac59e976ed2ca4774 [2024-11-25 04:34:43,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:34:43,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:34:43,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:34:43,912 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:34:43,913 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:34:43,914 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.exit.1.prop1-func-interl.c [2024-11-25 04:34:46,897 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/bin/ukojak-verify-ENZ3QT5qd3/data/1807f6aed/90d7bb437ffa4fa593db3e3d23edee6d/FLAGf58b52b1a [2024-11-25 04:34:47,317 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:34:47,318 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.exit.1.prop1-func-interl.c [2024-11-25 04:34:47,342 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/bin/ukojak-verify-ENZ3QT5qd3/data/1807f6aed/90d7bb437ffa4fa593db3e3d23edee6d/FLAGf58b52b1a [2024-11-25 04:34:47,481 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/bin/ukojak-verify-ENZ3QT5qd3/data/1807f6aed/90d7bb437ffa4fa593db3e3d23edee6d [2024-11-25 04:34:47,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:34:47,485 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:34:47,486 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:34:47,486 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:34:47,491 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:34:47,492 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:34:47" (1/1) ... [2024-11-25 04:34:47,492 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@645c1be1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:47, skipping insertion in model container [2024-11-25 04:34:47,493 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:34:47" (1/1) ... [2024-11-25 04:34:47,554 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:34:47,791 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.exit.1.prop1-func-interl.c[1171,1184] [2024-11-25 04:34:48,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:34:48,341 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:34:48,351 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.exit.1.prop1-func-interl.c[1171,1184] [2024-11-25 04:34:48,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:34:48,628 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:34:48,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:48 WrapperNode [2024-11-25 04:34:48,630 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:34:48,631 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:34:48,631 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:34:48,631 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:34:48,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:48" (1/1) ... [2024-11-25 04:34:48,705 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:48" (1/1) ... [2024-11-25 04:34:48,852 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2433 [2024-11-25 04:34:48,853 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:34:48,853 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:34:48,853 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:34:48,853 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:34:48,861 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:48" (1/1) ... [2024-11-25 04:34:48,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:48" (1/1) ... [2024-11-25 04:34:48,891 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:48" (1/1) ... [2024-11-25 04:34:48,894 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:48" (1/1) ... [2024-11-25 04:34:48,968 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:48" (1/1) ... [2024-11-25 04:34:48,972 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:48" (1/1) ... [2024-11-25 04:34:48,977 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:48" (1/1) ... [2024-11-25 04:34:48,985 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:48" (1/1) ... [2024-11-25 04:34:48,994 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:48" (1/1) ... [2024-11-25 04:34:49,017 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:34:49,017 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:34:49,017 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:34:49,018 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:34:49,019 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:48" (1/1) ... [2024-11-25 04:34:49,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:34:49,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:34:49,073 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:34:49,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:34:49,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:34:49,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:34:49,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:34:49,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:34:49,665 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:34:49,667 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:34:53,760 INFO L? ?]: Removed 102 outVars from TransFormulas that were not future-live. [2024-11-25 04:34:53,761 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:34:53,866 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:34:53,866 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:34:53,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:34:53 BoogieIcfgContainer [2024-11-25 04:34:53,867 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:34:53,868 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:34:53,868 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:34:53,878 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:34:53,879 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:34:53" (1/1) ... [2024-11-25 04:34:53,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:34:53,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:34:53,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 04:34:53,947 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 04:34:53,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 04:34:53,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:34:53,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:34:53,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:34:53,958 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:34:53,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:34:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:54,872 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:34:55,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:55,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 04:34:55,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:34:55,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:34:55,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:34:55,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:34:55,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 04:34:55,654 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 04:34:55,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:34:55,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:34:55,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:34:55,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:34:55,657 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:34:55,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec038aa-25fc-4843-bda7-e7b179942782/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 04:34:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:57,063 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:34:57,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:57,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 04:34:57,541 INFO L279 TraceCheckSpWp]: Computing forward predicates...