./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.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_63d964fe-3896-40b1-bc11-7c88e6ffeb79/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d964fe-3896-40b1-bc11-7c88e6ffeb79/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_63d964fe-3896-40b1-bc11-7c88e6ffeb79/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d964fe-3896-40b1-bc11-7c88e6ffeb79/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d964fe-3896-40b1-bc11-7c88e6ffeb79/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_63d964fe-3896-40b1-bc11-7c88e6ffeb79/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 cf4ceb4f5cd685580c1f5a880dbcf4ebbaf2e22cf232f63c467765f2dfab9d42 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:14:02,600 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:14:02,668 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d964fe-3896-40b1-bc11-7c88e6ffeb79/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 04:14:02,675 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:14:02,676 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:14:02,699 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:14:02,700 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:14:02,700 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:14:02,700 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:14:02,701 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:14:02,701 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:14:02,701 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:14:02,701 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:14:02,701 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:14:02,701 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:14:02,701 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:14:02,701 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:14:02,702 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:14:02,702 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:14:02,702 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:14:02,702 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:14:02,702 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:14:02,702 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:14:02,702 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:14:02,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:14:02,703 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:14:02,703 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:14:02,703 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:14:02,703 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:14:02,703 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:14:02,703 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_63d964fe-3896-40b1-bc11-7c88e6ffeb79/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 -> cf4ceb4f5cd685580c1f5a880dbcf4ebbaf2e22cf232f63c467765f2dfab9d42 [2024-11-25 04:14:03,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:14:03,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:14:03,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:14:03,030 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:14:03,031 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:14:03,032 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d964fe-3896-40b1-bc11-7c88e6ffeb79/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop1-func-interl.c [2024-11-25 04:14:06,114 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d964fe-3896-40b1-bc11-7c88e6ffeb79/bin/ukojak-verify-ENZ3QT5qd3/data/d3f6533d7/da833ceea84f476e81f94cc226d8f8f6/FLAG6b40b777c [2024-11-25 04:14:06,598 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:14:06,599 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d964fe-3896-40b1-bc11-7c88e6ffeb79/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop1-func-interl.c [2024-11-25 04:14:06,619 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d964fe-3896-40b1-bc11-7c88e6ffeb79/bin/ukojak-verify-ENZ3QT5qd3/data/d3f6533d7/da833ceea84f476e81f94cc226d8f8f6/FLAG6b40b777c [2024-11-25 04:14:06,649 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d964fe-3896-40b1-bc11-7c88e6ffeb79/bin/ukojak-verify-ENZ3QT5qd3/data/d3f6533d7/da833ceea84f476e81f94cc226d8f8f6 [2024-11-25 04:14:06,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:14:06,653 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:14:06,654 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:14:06,655 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:14:06,659 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:14:06,660 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:14:06" (1/1) ... [2024-11-25 04:14:06,661 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c208f7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:06, skipping insertion in model container [2024-11-25 04:14:06,662 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:14:06" (1/1) ... [2024-11-25 04:14:06,737 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:14:06,952 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_63d964fe-3896-40b1-bc11-7c88e6ffeb79/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop1-func-interl.c[1171,1184] [2024-11-25 04:14:07,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:14:07,629 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:14:07,640 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_63d964fe-3896-40b1-bc11-7c88e6ffeb79/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop1-func-interl.c[1171,1184] [2024-11-25 04:14:07,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:14:07,946 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:14:07,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:07 WrapperNode [2024-11-25 04:14:07,948 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:14:07,949 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:14:07,949 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:14:07,949 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:14:07,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:07" (1/1) ... [2024-11-25 04:14:08,066 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:07" (1/1) ... [2024-11-25 04:14:09,055 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9269 [2024-11-25 04:14:09,056 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:14:09,056 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:14:09,056 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:14:09,056 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:14:09,062 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:07" (1/1) ... [2024-11-25 04:14:09,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:07" (1/1) ... [2024-11-25 04:14:09,303 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:07" (1/1) ... [2024-11-25 04:14:09,308 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:07" (1/1) ... [2024-11-25 04:14:09,703 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:07" (1/1) ... [2024-11-25 04:14:09,799 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:07" (1/1) ... [2024-11-25 04:14:09,891 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:07" (1/1) ... [2024-11-25 04:14:10,018 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:07" (1/1) ... [2024-11-25 04:14:10,078 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:07" (1/1) ... [2024-11-25 04:14:10,309 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:14:10,312 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:14:10,312 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:14:10,313 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:14:10,315 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:07" (1/1) ... [2024-11-25 04:14:10,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:14:10,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d964fe-3896-40b1-bc11-7c88e6ffeb79/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:14:10,381 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d964fe-3896-40b1-bc11-7c88e6ffeb79/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:14:10,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d964fe-3896-40b1-bc11-7c88e6ffeb79/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:14:10,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:14:10,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:14:10,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:14:10,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:14:11,286 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:14:11,289 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:14:27,291 INFO L? ?]: Removed 5106 outVars from TransFormulas that were not future-live. [2024-11-25 04:14:27,292 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:14:46,375 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:14:46,376 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:14:46,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:14:46 BoogieIcfgContainer [2024-11-25 04:14:46,376 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:14:46,378 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:14:46,378 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:14:46,398 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:14:46,402 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:14:46" (1/1) ... [2024-11-25 04:14:46,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:14:46,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:14:46,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 04:14:46,484 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 04:14:46,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 04:14:46,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:14:46,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:14:47,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:14:49,883 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 04:15:00,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.47s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 04:15:10,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 04:15:10,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:15:10,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 04:15:10,864 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 04:15:10,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:15:10,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:15:10,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:17:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:17:51,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:17:51,921 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 04:17:51,924 INFO L158 Benchmark]: Toolchain (without parser) took 225271.10ms. Allocated memory was 117.4MB in the beginning and 2.8GB in the end (delta: 2.6GB). Free memory was 89.3MB in the beginning and 800.8MB in the end (delta: -711.4MB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2024-11-25 04:17:51,924 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:17:51,925 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1293.96ms. Allocated memory was 117.4MB in the beginning and 377.5MB in the end (delta: 260.0MB). Free memory was 89.0MB in the beginning and 303.0MB in the end (delta: -214.0MB). Peak memory consumption was 90.7MB. Max. memory is 16.1GB. [2024-11-25 04:17:51,925 INFO L158 Benchmark]: Boogie Procedure Inliner took 1106.89ms. Allocated memory is still 377.5MB. Free memory was 303.0MB in the beginning and 170.9MB in the end (delta: 132.1MB). Peak memory consumption was 272.8MB. Max. memory is 16.1GB. [2024-11-25 04:17:51,926 INFO L158 Benchmark]: Boogie Preprocessor took 1253.25ms. Allocated memory was 377.5MB in the beginning and 729.8MB in the end (delta: 352.3MB). Free memory was 170.9MB in the beginning and 477.0MB in the end (delta: -306.1MB). Peak memory consumption was 70.3MB. Max. memory is 16.1GB. [2024-11-25 04:17:51,927 INFO L158 Benchmark]: RCFGBuilder took 36064.54ms. Allocated memory was 729.8MB in the beginning and 1.5GB in the end (delta: 755.0MB). Free memory was 477.0MB in the beginning and 862.2MB in the end (delta: -385.3MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-11-25 04:17:51,927 INFO L158 Benchmark]: CodeCheck took 185545.45ms. Allocated memory was 1.5GB in the beginning and 2.8GB in the end (delta: 1.3GB). Free memory was 862.2MB in the beginning and 800.8MB in the end (delta: 61.4MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-25 04:17:51,930 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1293.96ms. Allocated memory was 117.4MB in the beginning and 377.5MB in the end (delta: 260.0MB). Free memory was 89.0MB in the beginning and 303.0MB in the end (delta: -214.0MB). Peak memory consumption was 90.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1106.89ms. Allocated memory is still 377.5MB. Free memory was 303.0MB in the beginning and 170.9MB in the end (delta: 132.1MB). Peak memory consumption was 272.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1253.25ms. Allocated memory was 377.5MB in the beginning and 729.8MB in the end (delta: 352.3MB). Free memory was 170.9MB in the beginning and 477.0MB in the end (delta: -306.1MB). Peak memory consumption was 70.3MB. Max. memory is 16.1GB. * RCFGBuilder took 36064.54ms. Allocated memory was 729.8MB in the beginning and 1.5GB in the end (delta: 755.0MB). Free memory was 477.0MB in the beginning and 862.2MB in the end (delta: -385.3MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * CodeCheck took 185545.45ms. Allocated memory was 1.5GB in the beginning and 2.8GB in the end (delta: 1.3GB). Free memory was 862.2MB in the beginning and 800.8MB in the end (delta: 61.4MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 04:17:52,142 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d964fe-3896-40b1-bc11-7c88e6ffeb79/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-25 04:17:52,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d964fe-3896-40b1-bc11-7c88e6ffeb79/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d964fe-3896-40b1-bc11-7c88e6ffeb79/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d964fe-3896-40b1-bc11-7c88e6ffeb79/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_63d964fe-3896-40b1-bc11-7c88e6ffeb79/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d964fe-3896-40b1-bc11-7c88e6ffeb79/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d964fe-3896-40b1-bc11-7c88e6ffeb79/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_63d964fe-3896-40b1-bc11-7c88e6ffeb79/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 cf4ceb4f5cd685580c1f5a880dbcf4ebbaf2e22cf232f63c467765f2dfab9d42 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:17:54,855 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:17:54,993 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d964fe-3896-40b1-bc11-7c88e6ffeb79/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 04:17:55,042 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:17:55,043 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:17:55,044 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:17:55,045 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:17:55,045 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:17:55,045 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:17:55,045 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:17:55,045 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:17:55,045 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:17:55,045 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:17:55,045 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:17:55,046 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:17:55,046 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:17:55,046 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:17:55,046 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:17:55,046 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:17:55,046 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:17:55,046 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:17:55,046 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:17:55,046 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:17:55,047 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:17:55,047 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:17:55,049 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:17:55,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:17:55,049 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:17:55,049 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:17:55,049 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:17:55,050 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:17:55,050 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:17:55,050 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:17:55,050 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_63d964fe-3896-40b1-bc11-7c88e6ffeb79/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 -> cf4ceb4f5cd685580c1f5a880dbcf4ebbaf2e22cf232f63c467765f2dfab9d42 [2024-11-25 04:17:55,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:17:55,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:17:55,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:17:55,455 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:17:55,458 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:17:55,460 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d964fe-3896-40b1-bc11-7c88e6ffeb79/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop1-func-interl.c [2024-11-25 04:17:58,639 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d964fe-3896-40b1-bc11-7c88e6ffeb79/bin/ukojak-verify-ENZ3QT5qd3/data/4b15c4345/405e046a4c124dbb88e7a4d31f4b5784/FLAGf4d74559e [2024-11-25 04:17:59,198 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:17:59,198 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d964fe-3896-40b1-bc11-7c88e6ffeb79/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop1-func-interl.c [2024-11-25 04:17:59,222 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d964fe-3896-40b1-bc11-7c88e6ffeb79/bin/ukojak-verify-ENZ3QT5qd3/data/4b15c4345/405e046a4c124dbb88e7a4d31f4b5784/FLAGf4d74559e [2024-11-25 04:17:59,263 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d964fe-3896-40b1-bc11-7c88e6ffeb79/bin/ukojak-verify-ENZ3QT5qd3/data/4b15c4345/405e046a4c124dbb88e7a4d31f4b5784 [2024-11-25 04:17:59,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:17:59,269 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:17:59,272 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:17:59,272 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:17:59,277 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:17:59,278 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:17:59" (1/1) ... [2024-11-25 04:17:59,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5022930f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:59, skipping insertion in model container [2024-11-25 04:17:59,282 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:17:59" (1/1) ... [2024-11-25 04:17:59,377 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:17:59,625 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_63d964fe-3896-40b1-bc11-7c88e6ffeb79/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop1-func-interl.c[1171,1184] [2024-11-25 04:18:00,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:18:00,134 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:18:00,146 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_63d964fe-3896-40b1-bc11-7c88e6ffeb79/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop1-func-interl.c[1171,1184] [2024-11-25 04:18:00,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:18:00,397 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:18:00,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:00 WrapperNode [2024-11-25 04:18:00,398 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:18:00,399 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:18:00,400 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:18:00,400 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:18:00,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:00" (1/1) ... [2024-11-25 04:18:00,461 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:00" (1/1) ... [2024-11-25 04:18:00,643 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2653 [2024-11-25 04:18:00,643 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:18:00,644 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:18:00,644 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:18:00,644 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:18:00,653 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:00" (1/1) ... [2024-11-25 04:18:00,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:00" (1/1) ... [2024-11-25 04:18:00,686 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:00" (1/1) ... [2024-11-25 04:18:00,686 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:00" (1/1) ... [2024-11-25 04:18:00,739 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:00" (1/1) ... [2024-11-25 04:18:00,745 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:00" (1/1) ... [2024-11-25 04:18:00,750 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:00" (1/1) ... [2024-11-25 04:18:00,763 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:00" (1/1) ... [2024-11-25 04:18:00,783 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:00" (1/1) ... [2024-11-25 04:18:00,814 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:18:00,818 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:18:00,819 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:18:00,819 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:18:00,822 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:18:00" (1/1) ... [2024-11-25 04:18:00,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:18:00,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d964fe-3896-40b1-bc11-7c88e6ffeb79/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:18:00,866 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d964fe-3896-40b1-bc11-7c88e6ffeb79/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:18:00,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d964fe-3896-40b1-bc11-7c88e6ffeb79/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:18:00,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:18:00,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:18:00,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:18:00,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:18:01,527 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:18:01,530 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:18:05,706 INFO L? ?]: Removed 107 outVars from TransFormulas that were not future-live. [2024-11-25 04:18:05,706 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:18:05,839 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:18:05,839 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:18:05,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:18:05 BoogieIcfgContainer [2024-11-25 04:18:05,840 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:18:05,841 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:18:05,841 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:18:05,853 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:18:05,854 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:18:05" (1/1) ... [2024-11-25 04:18:05,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:18:05,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:05,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 04:18:05,924 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 04:18:05,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 04:18:05,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:05,928 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:18:05,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d964fe-3896-40b1-bc11-7c88e6ffeb79/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:18:05,933 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d964fe-3896-40b1-bc11-7c88e6ffeb79/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:18:05,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d964fe-3896-40b1-bc11-7c88e6ffeb79/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:18:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:06,883 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:18:07,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:07,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 04:18:07,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:18:07,269 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 04:18:07,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d964fe-3896-40b1-bc11-7c88e6ffeb79/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:18:07,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:07,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 04:18:07,953 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 04:18:07,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:18:07,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:07,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:18:07,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d964fe-3896-40b1-bc11-7c88e6ffeb79/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:18:07,957 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d964fe-3896-40b1-bc11-7c88e6ffeb79/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:18:07,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d964fe-3896-40b1-bc11-7c88e6ffeb79/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 04:18:09,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:09,389 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:18:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:09,878 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:18:09,907 INFO L279 TraceCheckSpWp]: Computing forward predicates...