./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.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_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b --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 f5e5c42bbeffae4fb860efffdbf66b7537cb720af3f49bb62a0f81dcf7dbce99 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:29:37,736 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:29:37,786 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 00:29:37,790 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:29:37,790 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:29:37,808 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:29:37,809 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:29:37,809 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:29:37,809 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:29:37,810 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:29:37,810 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:29:37,810 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:29:37,810 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:29:37,810 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:29:37,810 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:29:37,810 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:29:37,810 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:29:37,811 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:29:37,811 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:29:37,811 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:29:37,811 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:29:37,811 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:29:37,811 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:29:37,811 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:29:37,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:29:37,811 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:29:37,812 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:29:37,812 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:29:37,812 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:29:37,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:29:37,812 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_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b 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 -> f5e5c42bbeffae4fb860efffdbf66b7537cb720af3f49bb62a0f81dcf7dbce99 [2024-12-06 00:29:38,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:29:38,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:29:38,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:29:38,010 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:29:38,011 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:29:38,012 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c [2024-12-06 00:29:40,624 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b/data/5f053b1bd/7e3db30d8c704e789c25b953c011086a/FLAG7b1174290 [2024-12-06 00:29:40,847 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:29:40,848 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c [2024-12-06 00:29:40,856 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b/data/5f053b1bd/7e3db30d8c704e789c25b953c011086a/FLAG7b1174290 [2024-12-06 00:29:40,870 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b/data/5f053b1bd/7e3db30d8c704e789c25b953c011086a [2024-12-06 00:29:40,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:29:40,873 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:29:40,874 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:29:40,874 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:29:40,877 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:29:40,878 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:29:40" (1/1) ... [2024-12-06 00:29:40,879 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22ed68cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:40, skipping insertion in model container [2024-12-06 00:29:40,879 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:29:40" (1/1) ... [2024-12-06 00:29:40,899 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:29:41,014 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_d1312db1-cd91-49bc-b291-7f414069ac5d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c[1246,1259] [2024-12-06 00:29:41,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:29:41,158 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:29:41,165 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_d1312db1-cd91-49bc-b291-7f414069ac5d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c[1246,1259] [2024-12-06 00:29:41,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:29:41,243 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:29:41,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:41 WrapperNode [2024-12-06 00:29:41,244 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:29:41,245 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:29:41,245 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:29:41,245 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:29:41,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:41" (1/1) ... [2024-12-06 00:29:41,270 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:41" (1/1) ... [2024-12-06 00:29:41,460 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1465 [2024-12-06 00:29:41,460 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:29:41,461 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:29:41,461 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:29:41,461 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:29:41,468 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:41" (1/1) ... [2024-12-06 00:29:41,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:41" (1/1) ... [2024-12-06 00:29:41,484 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:41" (1/1) ... [2024-12-06 00:29:41,484 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:41" (1/1) ... [2024-12-06 00:29:41,545 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:41" (1/1) ... [2024-12-06 00:29:41,559 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:41" (1/1) ... [2024-12-06 00:29:41,568 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:41" (1/1) ... [2024-12-06 00:29:41,590 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:41" (1/1) ... [2024-12-06 00:29:41,597 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:41" (1/1) ... [2024-12-06 00:29:41,623 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:29:41,624 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:29:41,624 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:29:41,624 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:29:41,625 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:29:41" (1/1) ... [2024-12-06 00:29:41,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:29:41,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:29:41,652 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:29:41,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:29:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:29:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:29:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:29:41,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:29:41,842 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:29:41,843 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:29:43,477 INFO L? ?]: Removed 912 outVars from TransFormulas that were not future-live. [2024-12-06 00:29:43,477 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:29:45,575 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:29:45,575 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:29:45,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:29:45 BoogieIcfgContainer [2024-12-06 00:29:45,576 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:29:45,577 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:29:45,577 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:29:45,586 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:29:45,586 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:29:45" (1/1) ... [2024-12-06 00:29:45,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:29:45,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:29:45,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:29:45,639 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:29:45,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:29:45,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:29:45,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:29:45,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:29:46,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:29:56,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:30:06,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:30:06,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:06,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 00:30:06,776 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 00:30:06,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:30:06,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:06,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:30:08,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:30:08,774 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:30:09,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:30:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:30:14,131 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:30:24,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:30:24,313 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) [2024-12-06 00:30:24,317 INFO L158 Benchmark]: Toolchain (without parser) took 43443.50ms. Allocated memory was 117.4MB in the beginning and 461.4MB in the end (delta: 343.9MB). Free memory was 93.1MB in the beginning and 344.2MB in the end (delta: -251.1MB). Peak memory consumption was 92.6MB. Max. memory is 16.1GB. [2024-12-06 00:30:24,318 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:30:24,318 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.98ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 65.1MB in the end (delta: 28.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 00:30:24,318 INFO L158 Benchmark]: Boogie Procedure Inliner took 215.52ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 70.4MB in the end (delta: -5.2MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. [2024-12-06 00:30:24,319 INFO L158 Benchmark]: Boogie Preprocessor took 162.51ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 59.5MB in the end (delta: 10.8MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2024-12-06 00:30:24,319 INFO L158 Benchmark]: RCFGBuilder took 3952.17ms. Allocated memory was 117.4MB in the beginning and 302.0MB in the end (delta: 184.5MB). Free memory was 59.5MB in the beginning and 214.4MB in the end (delta: -154.8MB). Peak memory consumption was 187.0MB. Max. memory is 16.1GB. [2024-12-06 00:30:24,320 INFO L158 Benchmark]: CodeCheck took 38739.75ms. Allocated memory was 302.0MB in the beginning and 461.4MB in the end (delta: 159.4MB). Free memory was 214.4MB in the beginning and 344.2MB in the end (delta: -129.8MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2024-12-06 00:30:24,322 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 0.26ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.98ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 65.1MB in the end (delta: 28.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 215.52ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 70.4MB in the end (delta: -5.2MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 162.51ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 59.5MB in the end (delta: 10.8MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * RCFGBuilder took 3952.17ms. Allocated memory was 117.4MB in the beginning and 302.0MB in the end (delta: 184.5MB). Free memory was 59.5MB in the beginning and 214.4MB in the end (delta: -154.8MB). Peak memory consumption was 187.0MB. Max. memory is 16.1GB. * CodeCheck took 38739.75ms. Allocated memory was 302.0MB in the beginning and 461.4MB in the end (delta: 159.4MB). Free memory was 214.4MB in the beginning and 344.2MB in the end (delta: -129.8MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:30:24,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b --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 f5e5c42bbeffae4fb860efffdbf66b7537cb720af3f49bb62a0f81dcf7dbce99 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:30:26,213 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:30:26,285 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 00:30:26,311 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:30:26,312 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:30:26,312 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:30:26,312 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:30:26,313 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:30:26,313 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:30:26,313 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:30:26,313 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:30:26,313 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:30:26,313 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:30:26,313 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:30:26,313 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:30:26,313 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:30:26,313 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:30:26,314 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:30:26,314 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:30:26,314 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:30:26,314 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:30:26,314 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:30:26,314 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:30:26,314 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:26,314 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:30:26,314 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:30:26,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:30:26,314 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:30:26,315 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:30:26,315 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:30:26,315 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:30:26,315 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:26,315 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:30:26,315 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_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b 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 -> f5e5c42bbeffae4fb860efffdbf66b7537cb720af3f49bb62a0f81dcf7dbce99 [2024-12-06 00:30:26,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:30:26,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:30:26,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:30:26,566 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:30:26,566 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:30:26,567 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c [2024-12-06 00:30:29,242 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b/data/9f6aba920/6fb89d7bf121481dbf73fab578730722/FLAGb16ceec09 [2024-12-06 00:30:29,433 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:30:29,434 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c [2024-12-06 00:30:29,443 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b/data/9f6aba920/6fb89d7bf121481dbf73fab578730722/FLAGb16ceec09 [2024-12-06 00:30:29,455 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b/data/9f6aba920/6fb89d7bf121481dbf73fab578730722 [2024-12-06 00:30:29,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:30:29,458 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:30:29,459 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:30:29,459 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:30:29,462 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:30:29,463 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:30:29" (1/1) ... [2024-12-06 00:30:29,464 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@785434d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:29, skipping insertion in model container [2024-12-06 00:30:29,464 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:30:29" (1/1) ... [2024-12-06 00:30:29,487 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:30:29,598 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_d1312db1-cd91-49bc-b291-7f414069ac5d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c[1246,1259] [2024-12-06 00:30:29,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:30:29,726 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:30:29,734 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_d1312db1-cd91-49bc-b291-7f414069ac5d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c[1246,1259] [2024-12-06 00:30:29,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:30:29,813 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:30:29,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:29 WrapperNode [2024-12-06 00:30:29,814 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:30:29,815 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:30:29,815 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:30:29,815 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:30:29,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:29" (1/1) ... [2024-12-06 00:30:29,833 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:29" (1/1) ... [2024-12-06 00:30:29,868 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 521 [2024-12-06 00:30:29,870 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:30:29,870 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:30:29,870 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:30:29,870 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:30:29,876 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:29" (1/1) ... [2024-12-06 00:30:29,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:29" (1/1) ... [2024-12-06 00:30:29,880 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:29" (1/1) ... [2024-12-06 00:30:29,880 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:29" (1/1) ... [2024-12-06 00:30:29,900 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:29" (1/1) ... [2024-12-06 00:30:29,902 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:29" (1/1) ... [2024-12-06 00:30:29,905 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:29" (1/1) ... [2024-12-06 00:30:29,908 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:29" (1/1) ... [2024-12-06 00:30:29,910 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:29" (1/1) ... [2024-12-06 00:30:29,915 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:30:29,915 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:30:29,916 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:30:29,916 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:30:29,917 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:30:29" (1/1) ... [2024-12-06 00:30:29,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:30:29,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:30:29,944 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:30:29,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:30:29,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:30:29,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:30:29,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:30:29,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:30:30,112 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:30:30,114 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:30:30,668 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-12-06 00:30:30,668 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:30:30,690 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:30:30,690 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:30:30,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:30:30 BoogieIcfgContainer [2024-12-06 00:30:30,691 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:30:30,691 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:30:30,691 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:30:30,698 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:30:30,698 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:30:30" (1/1) ... [2024-12-06 00:30:30,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:30:30,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:30,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:30:30,737 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:30:30,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:30:30,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:30,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:30,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:30,741 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:30,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:30:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:30,970 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:31,030 WARN L254 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-06 00:30:31,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:31,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:30:31,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:30:31,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:31,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 00:30:31,315 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 00:30:31,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:30:31,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:31,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:31,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:31,318 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:31,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:30:31,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:31,644 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:31,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:31,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-06 00:30:31,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:32,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:30:32,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 00:30:33,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:33,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2024-12-06 00:30:33,076 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2024-12-06 00:30:33,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 00:30:33,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:33,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:33,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:33,080 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:33,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 00:30:33,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:33,457 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:33,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:33,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-06 00:30:33,585 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:20,967 WARN L286 SmtUtils]: Spent 1.18m on a formula simplification that was a NOOP. DAG size: 458 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:41:21,062 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 00:41:21,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1312db1-cd91-49bc-b291-7f414069ac5d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0