./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.3.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1c94d6-7886-42aa-ae95-adf636680539/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1c94d6-7886-42aa-ae95-adf636680539/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_ee1c94d6-7886-42aa-ae95-adf636680539/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1c94d6-7886-42aa-ae95-adf636680539/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.3.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1c94d6-7886-42aa-ae95-adf636680539/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_ee1c94d6-7886-42aa-ae95-adf636680539/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 fa66d6892974c79bca4f5081e619e00e31348a357029be00ee0a9901bc2bec18 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:10:59,324 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:10:59,392 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1c94d6-7886-42aa-ae95-adf636680539/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 03:10:59,397 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:10:59,397 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:10:59,418 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:10:59,419 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:10:59,419 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:10:59,419 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:10:59,419 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:10:59,419 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:10:59,419 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:10:59,419 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:10:59,420 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:10:59,420 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:10:59,420 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:10:59,420 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:10:59,420 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:10:59,420 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:10:59,420 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:10:59,420 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:10:59,420 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:10:59,420 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:10:59,421 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:10:59,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:10:59,421 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:10:59,421 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:10:59,421 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:10:59,421 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:10:59,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:10:59,421 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_ee1c94d6-7886-42aa-ae95-adf636680539/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 -> fa66d6892974c79bca4f5081e619e00e31348a357029be00ee0a9901bc2bec18 [2024-11-25 03:10:59,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:10:59,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:10:59,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:10:59,752 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:10:59,753 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:10:59,754 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1c94d6-7886-42aa-ae95-adf636680539/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.3.prop1-func-interl.c [2024-11-25 03:11:02,739 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1c94d6-7886-42aa-ae95-adf636680539/bin/ukojak-verify-ENZ3QT5qd3/data/63443d032/765d49d09e67483fa1d794c3742a896f/FLAG7beba0f78 [2024-11-25 03:11:03,112 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:11:03,116 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1c94d6-7886-42aa-ae95-adf636680539/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.3.prop1-func-interl.c [2024-11-25 03:11:03,139 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1c94d6-7886-42aa-ae95-adf636680539/bin/ukojak-verify-ENZ3QT5qd3/data/63443d032/765d49d09e67483fa1d794c3742a896f/FLAG7beba0f78 [2024-11-25 03:11:03,296 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1c94d6-7886-42aa-ae95-adf636680539/bin/ukojak-verify-ENZ3QT5qd3/data/63443d032/765d49d09e67483fa1d794c3742a896f [2024-11-25 03:11:03,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:11:03,300 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:11:03,301 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:11:03,301 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:11:03,306 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:11:03,307 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:11:03" (1/1) ... [2024-11-25 03:11:03,307 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55fc6545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:03, skipping insertion in model container [2024-11-25 03:11:03,308 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:11:03" (1/1) ... [2024-11-25 03:11:03,370 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:11:03,569 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_ee1c94d6-7886-42aa-ae95-adf636680539/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.3.prop1-func-interl.c[1176,1189] [2024-11-25 03:11:04,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:11:04,184 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:11:04,194 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_ee1c94d6-7886-42aa-ae95-adf636680539/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.3.prop1-func-interl.c[1176,1189] [2024-11-25 03:11:04,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:11:04,499 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:11:04,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:04 WrapperNode [2024-11-25 03:11:04,500 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:11:04,501 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:11:04,501 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:11:04,501 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:11:04,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:04" (1/1) ... [2024-11-25 03:11:04,649 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:04" (1/1) ... [2024-11-25 03:11:05,664 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9018 [2024-11-25 03:11:05,665 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:11:05,666 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:11:05,666 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:11:05,666 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:11:05,677 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:04" (1/1) ... [2024-11-25 03:11:05,677 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:04" (1/1) ... [2024-11-25 03:11:06,015 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:04" (1/1) ... [2024-11-25 03:11:06,016 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:04" (1/1) ... [2024-11-25 03:11:06,619 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:04" (1/1) ... [2024-11-25 03:11:06,660 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:04" (1/1) ... [2024-11-25 03:11:06,754 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:04" (1/1) ... [2024-11-25 03:11:06,806 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:04" (1/1) ... [2024-11-25 03:11:06,834 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:04" (1/1) ... [2024-11-25 03:11:06,960 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:11:06,961 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:11:06,961 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:11:06,961 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:11:06,964 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:04" (1/1) ... [2024-11-25 03:11:06,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:11:06,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1c94d6-7886-42aa-ae95-adf636680539/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:11:07,000 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1c94d6-7886-42aa-ae95-adf636680539/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:11:07,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1c94d6-7886-42aa-ae95-adf636680539/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:11:07,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:11:07,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:11:07,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:11:07,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:11:07,674 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:11:07,676 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:11:20,935 INFO L? ?]: Removed 4955 outVars from TransFormulas that were not future-live. [2024-11-25 03:11:20,935 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:11:38,725 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:11:38,725 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:11:38,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:11:38 BoogieIcfgContainer [2024-11-25 03:11:38,726 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:11:38,727 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:11:38,727 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:11:38,737 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:11:38,737 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:11:38" (1/1) ... [2024-11-25 03:11:38,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:11:38,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:11:38,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:11:38,810 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:11:38,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:11:38,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:11:38,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:11:39,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:41,079 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 03:11:51,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:12:01,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:12:01,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:12:01,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 03:12:01,877 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 03:12:01,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:12:01,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:12:01,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:13:53,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:14:04,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:14:04,756 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 03:14:04,761 INFO L158 Benchmark]: Toolchain (without parser) took 181461.08ms. Allocated memory was 117.4MB in the beginning and 5.5GB in the end (delta: 5.4GB). Free memory was 88.8MB in the beginning and 2.9GB in the end (delta: -2.8GB). Peak memory consumption was 2.6GB. Max. memory is 16.1GB. [2024-11-25 03:14:04,762 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:14:04,766 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1199.21ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 51.1MB in the end (delta: 37.7MB). Peak memory consumption was 98.6MB. Max. memory is 16.1GB. [2024-11-25 03:14:04,767 INFO L158 Benchmark]: Boogie Procedure Inliner took 1163.64ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 51.1MB in the beginning and 55.7MB in the end (delta: -4.6MB). Peak memory consumption was 170.9MB. Max. memory is 16.1GB. [2024-11-25 03:14:04,767 INFO L158 Benchmark]: Boogie Preprocessor took 1294.69ms. Allocated memory was 251.7MB in the beginning and 620.8MB in the end (delta: 369.1MB). Free memory was 55.7MB in the beginning and 379.5MB in the end (delta: -323.9MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. [2024-11-25 03:14:04,768 INFO L158 Benchmark]: RCFGBuilder took 31765.01ms. Allocated memory was 620.8MB in the beginning and 2.9GB in the end (delta: 2.2GB). Free memory was 379.5MB in the beginning and 1.9GB in the end (delta: -1.5GB). Peak memory consumption was 773.1MB. Max. memory is 16.1GB. [2024-11-25 03:14:04,768 INFO L158 Benchmark]: CodeCheck took 146033.22ms. Allocated memory was 2.9GB in the beginning and 5.5GB in the end (delta: 2.7GB). Free memory was 1.9GB in the beginning and 2.9GB in the end (delta: -959.8MB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-11-25 03:14:04,771 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 0.29ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1199.21ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 51.1MB in the end (delta: 37.7MB). Peak memory consumption was 98.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1163.64ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 51.1MB in the beginning and 55.7MB in the end (delta: -4.6MB). Peak memory consumption was 170.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1294.69ms. Allocated memory was 251.7MB in the beginning and 620.8MB in the end (delta: 369.1MB). Free memory was 55.7MB in the beginning and 379.5MB in the end (delta: -323.9MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. * RCFGBuilder took 31765.01ms. Allocated memory was 620.8MB in the beginning and 2.9GB in the end (delta: 2.2GB). Free memory was 379.5MB in the beginning and 1.9GB in the end (delta: -1.5GB). Peak memory consumption was 773.1MB. Max. memory is 16.1GB. * CodeCheck took 146033.22ms. Allocated memory was 2.9GB in the beginning and 5.5GB in the end (delta: 2.7GB). Free memory was 1.9GB in the beginning and 2.9GB in the end (delta: -959.8MB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:14:04,986 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1c94d6-7886-42aa-ae95-adf636680539/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-25 03:14:05,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1c94d6-7886-42aa-ae95-adf636680539/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_ee1c94d6-7886-42aa-ae95-adf636680539/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1c94d6-7886-42aa-ae95-adf636680539/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_ee1c94d6-7886-42aa-ae95-adf636680539/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1c94d6-7886-42aa-ae95-adf636680539/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.3.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1c94d6-7886-42aa-ae95-adf636680539/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_ee1c94d6-7886-42aa-ae95-adf636680539/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 fa66d6892974c79bca4f5081e619e00e31348a357029be00ee0a9901bc2bec18 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:14:07,694 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:14:07,819 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1c94d6-7886-42aa-ae95-adf636680539/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 03:14:07,863 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:14:07,863 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:14:07,864 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:14:07,864 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:14:07,864 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:14:07,864 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:14:07,865 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:14:07,865 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:14:07,865 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:14:07,865 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:14:07,865 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:14:07,865 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:14:07,865 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:14:07,866 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:14:07,866 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:14:07,866 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:14:07,866 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:14:07,866 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:14:07,866 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:14:07,866 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:14:07,867 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:14:07,867 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:14:07,867 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:14:07,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:14:07,867 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:14:07,867 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:14:07,867 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:14:07,868 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:14:07,868 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:14:07,868 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:14:07,868 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_ee1c94d6-7886-42aa-ae95-adf636680539/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 -> fa66d6892974c79bca4f5081e619e00e31348a357029be00ee0a9901bc2bec18 [2024-11-25 03:14:08,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:14:08,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:14:08,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:14:08,208 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:14:08,208 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:14:08,209 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1c94d6-7886-42aa-ae95-adf636680539/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.3.prop1-func-interl.c [2024-11-25 03:14:11,143 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1c94d6-7886-42aa-ae95-adf636680539/bin/ukojak-verify-ENZ3QT5qd3/data/492debded/37f9fd38e3d24c6ab5b984d1ba709d99/FLAG5da969ae9 [2024-11-25 03:14:11,618 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:14:11,618 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1c94d6-7886-42aa-ae95-adf636680539/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.3.prop1-func-interl.c [2024-11-25 03:14:11,656 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1c94d6-7886-42aa-ae95-adf636680539/bin/ukojak-verify-ENZ3QT5qd3/data/492debded/37f9fd38e3d24c6ab5b984d1ba709d99/FLAG5da969ae9 [2024-11-25 03:14:11,737 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1c94d6-7886-42aa-ae95-adf636680539/bin/ukojak-verify-ENZ3QT5qd3/data/492debded/37f9fd38e3d24c6ab5b984d1ba709d99 [2024-11-25 03:14:11,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:14:11,743 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:14:11,745 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:14:11,746 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:14:11,750 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:14:11,751 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:14:11" (1/1) ... [2024-11-25 03:14:11,753 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e7abcf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:14:11, skipping insertion in model container [2024-11-25 03:14:11,753 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:14:11" (1/1) ... [2024-11-25 03:14:11,840 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:14:12,066 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_ee1c94d6-7886-42aa-ae95-adf636680539/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.3.prop1-func-interl.c[1176,1189] [2024-11-25 03:14:12,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:14:12,564 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:14:12,572 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_ee1c94d6-7886-42aa-ae95-adf636680539/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.3.prop1-func-interl.c[1176,1189] [2024-11-25 03:14:12,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:14:12,791 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:14:12,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:14:12 WrapperNode [2024-11-25 03:14:12,792 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:14:12,793 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:14:12,793 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:14:12,794 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:14:12,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:14:12" (1/1) ... [2024-11-25 03:14:12,851 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:14:12" (1/1) ... [2024-11-25 03:14:13,005 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2670 [2024-11-25 03:14:13,006 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:14:13,006 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:14:13,006 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:14:13,006 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:14:13,014 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:14:12" (1/1) ... [2024-11-25 03:14:13,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:14:12" (1/1) ... [2024-11-25 03:14:13,041 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:14:12" (1/1) ... [2024-11-25 03:14:13,044 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:14:12" (1/1) ... [2024-11-25 03:14:13,123 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:14:12" (1/1) ... [2024-11-25 03:14:13,127 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:14:12" (1/1) ... [2024-11-25 03:14:13,177 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:14:12" (1/1) ... [2024-11-25 03:14:13,191 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:14:12" (1/1) ... [2024-11-25 03:14:13,206 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:14:12" (1/1) ... [2024-11-25 03:14:13,238 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:14:13,240 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:14:13,240 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:14:13,240 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:14:13,243 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:14:12" (1/1) ... [2024-11-25 03:14:13,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:14:13,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1c94d6-7886-42aa-ae95-adf636680539/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:14:13,313 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1c94d6-7886-42aa-ae95-adf636680539/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:14:13,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1c94d6-7886-42aa-ae95-adf636680539/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:14:13,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:14:13,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:14:13,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:14:13,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:14:13,936 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:14:13,938 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:14:19,435 INFO L? ?]: Removed 97 outVars from TransFormulas that were not future-live. [2024-11-25 03:14:19,435 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:14:19,560 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:14:19,560 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:14:19,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:14:19 BoogieIcfgContainer [2024-11-25 03:14:19,561 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:14:19,562 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:14:19,562 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:14:19,572 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:14:19,573 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:14:19" (1/1) ... [2024-11-25 03:14:19,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:14:19,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:14:19,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:14:19,640 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:14:19,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:14:19,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:14:19,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:14:19,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1c94d6-7886-42aa-ae95-adf636680539/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:14:19,648 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1c94d6-7886-42aa-ae95-adf636680539/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:14:19,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1c94d6-7886-42aa-ae95-adf636680539/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:14:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:14:20,569 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:14:20,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:14:20,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 03:14:20,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:14:20,973 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 03:14:20,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1c94d6-7886-42aa-ae95-adf636680539/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:14:22,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:14:22,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 03:14:22,078 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 03:14:22,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:14:22,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:14:22,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:14:22,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1c94d6-7886-42aa-ae95-adf636680539/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:14:22,082 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1c94d6-7886-42aa-ae95-adf636680539/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:14:22,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1c94d6-7886-42aa-ae95-adf636680539/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:14:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:14:24,309 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:14:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:14:25,035 INFO L256 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-25 03:14:25,072 INFO L279 TraceCheckSpWp]: Computing forward predicates...