./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop3-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_ca13d506-d27d-4c61-8997-85f097d78cae/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca13d506-d27d-4c61-8997-85f097d78cae/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_ca13d506-d27d-4c61-8997-85f097d78cae/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca13d506-d27d-4c61-8997-85f097d78cae/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop3-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca13d506-d27d-4c61-8997-85f097d78cae/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_ca13d506-d27d-4c61-8997-85f097d78cae/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 afe726ff4bfcb006fa1921d1acd83593e17d3b3df66156bb7f2c9bf761f68906 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:48:47,691 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:48:47,797 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca13d506-d27d-4c61-8997-85f097d78cae/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 03:48:47,805 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:48:47,805 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:48:47,840 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:48:47,841 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:48:47,841 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:48:47,841 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:48:47,841 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:48:47,842 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:48:47,842 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:48:47,843 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:48:47,843 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:48:47,844 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:48:47,844 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:48:47,844 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:48:47,844 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:48:47,845 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:48:47,845 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:48:47,845 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:48:47,845 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:48:47,845 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:48:47,845 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:48:47,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:48:47,845 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:48:47,846 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:48:47,846 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:48:47,846 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:48:47,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:48:47,846 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_ca13d506-d27d-4c61-8997-85f097d78cae/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 -> afe726ff4bfcb006fa1921d1acd83593e17d3b3df66156bb7f2c9bf761f68906 [2024-11-25 03:48:48,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:48:48,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:48:48,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:48:48,182 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:48:48,182 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:48:48,183 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca13d506-d27d-4c61-8997-85f097d78cae/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop3-func-interl.c [2024-11-25 03:48:51,296 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca13d506-d27d-4c61-8997-85f097d78cae/bin/ukojak-verify-ENZ3QT5qd3/data/9e6c7c8ab/73982eacb5a349cc9454572ff3e24418/FLAG293879440 [2024-11-25 03:48:51,873 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:48:51,873 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca13d506-d27d-4c61-8997-85f097d78cae/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop3-func-interl.c [2024-11-25 03:48:51,894 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca13d506-d27d-4c61-8997-85f097d78cae/bin/ukojak-verify-ENZ3QT5qd3/data/9e6c7c8ab/73982eacb5a349cc9454572ff3e24418/FLAG293879440 [2024-11-25 03:48:51,917 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca13d506-d27d-4c61-8997-85f097d78cae/bin/ukojak-verify-ENZ3QT5qd3/data/9e6c7c8ab/73982eacb5a349cc9454572ff3e24418 [2024-11-25 03:48:51,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:48:51,922 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:48:51,923 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:48:51,924 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:48:51,929 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:48:51,930 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:48:51" (1/1) ... [2024-11-25 03:48:51,931 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50c815a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:51, skipping insertion in model container [2024-11-25 03:48:51,931 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:48:51" (1/1) ... [2024-11-25 03:48:52,028 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:48:52,256 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_ca13d506-d27d-4c61-8997-85f097d78cae/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop3-func-interl.c[1174,1187] [2024-11-25 03:48:52,937 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:48:52,951 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:48:52,965 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_ca13d506-d27d-4c61-8997-85f097d78cae/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop3-func-interl.c[1174,1187] [2024-11-25 03:48:53,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:48:53,298 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:48:53,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:53 WrapperNode [2024-11-25 03:48:53,299 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:48:53,300 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:48:53,301 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:48:53,301 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:48:53,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:53" (1/1) ... [2024-11-25 03:48:53,430 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:53" (1/1) ... [2024-11-25 03:48:54,797 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 10392 [2024-11-25 03:48:54,798 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:48:54,798 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:48:54,799 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:48:54,806 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:48:54,815 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:53" (1/1) ... [2024-11-25 03:48:54,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:53" (1/1) ... [2024-11-25 03:48:55,275 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:53" (1/1) ... [2024-11-25 03:48:55,276 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:53" (1/1) ... [2024-11-25 03:48:55,668 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:53" (1/1) ... [2024-11-25 03:48:55,781 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:53" (1/1) ... [2024-11-25 03:48:55,822 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:53" (1/1) ... [2024-11-25 03:48:55,895 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:53" (1/1) ... [2024-11-25 03:48:55,945 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:53" (1/1) ... [2024-11-25 03:48:56,161 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:48:56,163 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:48:56,163 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:48:56,165 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:48:56,167 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:53" (1/1) ... [2024-11-25 03:48:56,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:48:56,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca13d506-d27d-4c61-8997-85f097d78cae/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:48:56,223 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca13d506-d27d-4c61-8997-85f097d78cae/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:48:56,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca13d506-d27d-4c61-8997-85f097d78cae/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:48:56,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:48:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:48:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:48:56,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:48:57,238 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:48:57,240 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:49:15,686 INFO L? ?]: Removed 5597 outVars from TransFormulas that were not future-live. [2024-11-25 03:49:15,687 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:49:39,152 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:49:39,152 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:49:39,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:49:39 BoogieIcfgContainer [2024-11-25 03:49:39,153 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:49:39,154 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:49:39,154 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:49:39,163 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:49:39,163 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:49:39" (1/1) ... [2024-11-25 03:49:39,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:49:39,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:49:39,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:49:39,247 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:49:39,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:49:39,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:49:39,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:49:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:49:42,646 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 03:49:53,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.46s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:50:03,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:50:03,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:03,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 03:50:03,730 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 03:50:03,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:50:03,730 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:03,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:54:46,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:54:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:54:57,821 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 03:54:57,827 INFO L158 Benchmark]: Toolchain (without parser) took 365905.09ms. Allocated memory was 117.4MB in the beginning and 6.3GB in the end (delta: 6.2GB). Free memory was 88.5MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 4.0GB. Max. memory is 16.1GB. [2024-11-25 03:54:57,827 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:54:57,829 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1376.27ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 41.8MB in the end (delta: 46.8MB). Peak memory consumption was 99.8MB. Max. memory is 16.1GB. [2024-11-25 03:54:57,829 INFO L158 Benchmark]: Boogie Procedure Inliner took 1497.44ms. Allocated memory was 117.4MB in the beginning and 805.3MB in the end (delta: 687.9MB). Free memory was 41.8MB in the beginning and 587.0MB in the end (delta: -545.2MB). Peak memory consumption was 204.3MB. Max. memory is 16.1GB. [2024-11-25 03:54:57,830 INFO L158 Benchmark]: Boogie Preprocessor took 1362.64ms. Allocated memory was 805.3MB in the beginning and 645.9MB in the end (delta: -159.4MB). Free memory was 587.0MB in the beginning and 373.5MB in the end (delta: 213.5MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB. [2024-11-25 03:54:57,831 INFO L158 Benchmark]: RCFGBuilder took 42990.01ms. Allocated memory was 645.9MB in the beginning and 2.6GB in the end (delta: 1.9GB). Free memory was 373.5MB in the beginning and 1.3GB in the end (delta: -885.4MB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2024-11-25 03:54:57,831 INFO L158 Benchmark]: CodeCheck took 318671.90ms. Allocated memory was 2.6GB in the beginning and 6.3GB in the end (delta: 3.7GB). Free memory was 1.3GB in the beginning and 2.3GB in the end (delta: -1.0GB). Peak memory consumption was 2.7GB. Max. memory is 16.1GB. [2024-11-25 03:54:57,835 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 0.41ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1376.27ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 41.8MB in the end (delta: 46.8MB). Peak memory consumption was 99.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1497.44ms. Allocated memory was 117.4MB in the beginning and 805.3MB in the end (delta: 687.9MB). Free memory was 41.8MB in the beginning and 587.0MB in the end (delta: -545.2MB). Peak memory consumption was 204.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1362.64ms. Allocated memory was 805.3MB in the beginning and 645.9MB in the end (delta: -159.4MB). Free memory was 587.0MB in the beginning and 373.5MB in the end (delta: 213.5MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB. * RCFGBuilder took 42990.01ms. Allocated memory was 645.9MB in the beginning and 2.6GB in the end (delta: 1.9GB). Free memory was 373.5MB in the beginning and 1.3GB in the end (delta: -885.4MB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. * CodeCheck took 318671.90ms. Allocated memory was 2.6GB in the beginning and 6.3GB in the end (delta: 3.7GB). Free memory was 1.3GB in the beginning and 2.3GB in the end (delta: -1.0GB). Peak memory consumption was 2.7GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:54:58,047 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca13d506-d27d-4c61-8997-85f097d78cae/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-25 03:54:58,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca13d506-d27d-4c61-8997-85f097d78cae/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_ca13d506-d27d-4c61-8997-85f097d78cae/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca13d506-d27d-4c61-8997-85f097d78cae/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_ca13d506-d27d-4c61-8997-85f097d78cae/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca13d506-d27d-4c61-8997-85f097d78cae/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop3-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca13d506-d27d-4c61-8997-85f097d78cae/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_ca13d506-d27d-4c61-8997-85f097d78cae/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 afe726ff4bfcb006fa1921d1acd83593e17d3b3df66156bb7f2c9bf761f68906 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:55:01,153 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:55:01,247 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca13d506-d27d-4c61-8997-85f097d78cae/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 03:55:01,314 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:55:01,323 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:55:01,323 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:55:01,323 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:55:01,324 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:55:01,324 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:55:01,324 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:55:01,324 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:55:01,324 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:55:01,324 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:55:01,324 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:55:01,324 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:55:01,324 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:55:01,325 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:55:01,327 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:55:01,328 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:55:01,328 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:55:01,328 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:55:01,329 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:55:01,329 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:55:01,329 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:55:01,329 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:55:01,330 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:55:01,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:55:01,330 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:55:01,330 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:55:01,330 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:55:01,331 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:55:01,331 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:55:01,331 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:55:01,332 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_ca13d506-d27d-4c61-8997-85f097d78cae/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 -> afe726ff4bfcb006fa1921d1acd83593e17d3b3df66156bb7f2c9bf761f68906 [2024-11-25 03:55:01,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:55:01,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:55:01,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:55:01,687 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:55:01,688 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:55:01,689 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca13d506-d27d-4c61-8997-85f097d78cae/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop3-func-interl.c [2024-11-25 03:55:04,867 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca13d506-d27d-4c61-8997-85f097d78cae/bin/ukojak-verify-ENZ3QT5qd3/data/0367b6f5b/aa94b6b0441e442f830436ee40c330df/FLAG12672a29a [2024-11-25 03:55:05,485 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:55:05,486 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca13d506-d27d-4c61-8997-85f097d78cae/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop3-func-interl.c [2024-11-25 03:55:05,529 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca13d506-d27d-4c61-8997-85f097d78cae/bin/ukojak-verify-ENZ3QT5qd3/data/0367b6f5b/aa94b6b0441e442f830436ee40c330df/FLAG12672a29a [2024-11-25 03:55:05,553 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca13d506-d27d-4c61-8997-85f097d78cae/bin/ukojak-verify-ENZ3QT5qd3/data/0367b6f5b/aa94b6b0441e442f830436ee40c330df [2024-11-25 03:55:05,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:55:05,560 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:55:05,563 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:55:05,564 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:55:05,570 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:55:05,571 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:55:05" (1/1) ... [2024-11-25 03:55:05,571 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2620dc3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:05, skipping insertion in model container [2024-11-25 03:55:05,572 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:55:05" (1/1) ... [2024-11-25 03:55:05,668 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:55:05,873 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_ca13d506-d27d-4c61-8997-85f097d78cae/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop3-func-interl.c[1174,1187] [2024-11-25 03:55:06,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:55:06,438 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:55:06,454 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_ca13d506-d27d-4c61-8997-85f097d78cae/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop3-func-interl.c[1174,1187] [2024-11-25 03:55:06,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:55:06,696 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:55:06,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:06 WrapperNode [2024-11-25 03:55:06,697 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:55:06,699 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:55:06,699 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:55:06,699 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:55:06,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:06" (1/1) ... [2024-11-25 03:55:06,765 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:06" (1/1) ... [2024-11-25 03:55:06,957 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2784 [2024-11-25 03:55:06,958 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:55:06,958 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:55:06,958 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:55:06,958 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:55:06,966 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:06" (1/1) ... [2024-11-25 03:55:06,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:06" (1/1) ... [2024-11-25 03:55:06,988 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:06" (1/1) ... [2024-11-25 03:55:06,988 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:06" (1/1) ... [2024-11-25 03:55:07,075 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:06" (1/1) ... [2024-11-25 03:55:07,082 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:06" (1/1) ... [2024-11-25 03:55:07,087 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:06" (1/1) ... [2024-11-25 03:55:07,098 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:06" (1/1) ... [2024-11-25 03:55:07,108 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:06" (1/1) ... [2024-11-25 03:55:07,128 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:55:07,129 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:55:07,129 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:55:07,129 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:55:07,130 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:55:06" (1/1) ... [2024-11-25 03:55:07,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:55:07,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca13d506-d27d-4c61-8997-85f097d78cae/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:55:07,176 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca13d506-d27d-4c61-8997-85f097d78cae/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:55:07,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca13d506-d27d-4c61-8997-85f097d78cae/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:55:07,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:55:07,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:55:07,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:55:07,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:55:07,933 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:55:07,935 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:55:15,582 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2024-11-25 03:55:15,582 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:55:15,694 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:55:15,694 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:55:15,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:55:15 BoogieIcfgContainer [2024-11-25 03:55:15,695 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:55:15,696 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:55:15,696 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:55:15,707 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:55:15,707 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:55:15" (1/1) ... [2024-11-25 03:55:15,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:55:15,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:15,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:55:15,781 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:55:15,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:55:15,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:15,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:55:15,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca13d506-d27d-4c61-8997-85f097d78cae/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:55:15,789 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca13d506-d27d-4c61-8997-85f097d78cae/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:55:15,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca13d506-d27d-4c61-8997-85f097d78cae/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:55:16,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:16,790 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:55:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:17,028 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:55:17,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:55:17,264 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 03:55:17,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca13d506-d27d-4c61-8997-85f097d78cae/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:55:20,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.97s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:55:20,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:20,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 03:55:20,621 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 03:55:20,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:55:20,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:20,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:55:20,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca13d506-d27d-4c61-8997-85f097d78cae/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:55:20,630 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca13d506-d27d-4c61-8997-85f097d78cae/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:55:20,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca13d506-d27d-4c61-8997-85f097d78cae/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:55:23,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:23,154 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:55:23,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:23,805 INFO L256 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-25 03:55:23,836 INFO L279 TraceCheckSpWp]: Computing forward predicates...