./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.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_6a39a336-fcf9-4db2-a62d-08b8f05a5197/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a39a336-fcf9-4db2-a62d-08b8f05a5197/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_6a39a336-fcf9-4db2-a62d-08b8f05a5197/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a39a336-fcf9-4db2-a62d-08b8f05a5197/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a39a336-fcf9-4db2-a62d-08b8f05a5197/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_6a39a336-fcf9-4db2-a62d-08b8f05a5197/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 e470594375d28c6fca24e3b46071dd23e9cc6b300f46bbf6faad9ca7287c9df3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:17:37,656 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:17:37,751 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a39a336-fcf9-4db2-a62d-08b8f05a5197/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 03:17:37,761 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:17:37,761 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:17:37,784 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:17:37,785 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:17:37,785 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:17:37,785 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:17:37,786 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:17:37,786 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:17:37,786 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:17:37,786 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:17:37,786 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:17:37,786 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:17:37,786 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:17:37,786 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:17:37,786 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:17:37,787 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:17:37,787 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:17:37,787 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:17:37,787 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:17:37,787 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:17:37,787 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:17:37,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:17:37,787 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:17:37,787 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:17:37,788 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:17:37,788 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:17:37,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:17:37,788 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_6a39a336-fcf9-4db2-a62d-08b8f05a5197/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 -> e470594375d28c6fca24e3b46071dd23e9cc6b300f46bbf6faad9ca7287c9df3 [2024-11-25 03:17:38,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:17:38,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:17:38,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:17:38,166 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:17:38,166 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:17:38,168 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a39a336-fcf9-4db2-a62d-08b8f05a5197/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop1-func-interl.c [2024-11-25 03:17:41,306 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a39a336-fcf9-4db2-a62d-08b8f05a5197/bin/ukojak-verify-ENZ3QT5qd3/data/71ed15ee4/2284f96507bd45198fa1c88d3c88a43e/FLAG01d4e9118 [2024-11-25 03:17:41,919 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:17:41,920 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a39a336-fcf9-4db2-a62d-08b8f05a5197/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop1-func-interl.c [2024-11-25 03:17:41,952 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a39a336-fcf9-4db2-a62d-08b8f05a5197/bin/ukojak-verify-ENZ3QT5qd3/data/71ed15ee4/2284f96507bd45198fa1c88d3c88a43e/FLAG01d4e9118 [2024-11-25 03:17:42,380 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a39a336-fcf9-4db2-a62d-08b8f05a5197/bin/ukojak-verify-ENZ3QT5qd3/data/71ed15ee4/2284f96507bd45198fa1c88d3c88a43e [2024-11-25 03:17:42,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:17:42,385 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:17:42,387 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:17:42,387 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:17:42,392 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:17:42,393 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:17:42" (1/1) ... [2024-11-25 03:17:42,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19fa054b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:42, skipping insertion in model container [2024-11-25 03:17:42,394 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:17:42" (1/1) ... [2024-11-25 03:17:42,501 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:17:42,779 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_6a39a336-fcf9-4db2-a62d-08b8f05a5197/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop1-func-interl.c[1171,1184] [2024-11-25 03:17:43,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:17:43,543 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:17:43,556 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_6a39a336-fcf9-4db2-a62d-08b8f05a5197/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop1-func-interl.c[1171,1184] [2024-11-25 03:17:43,858 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:17:43,878 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:17:43,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:43 WrapperNode [2024-11-25 03:17:43,879 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:17:43,880 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:17:43,880 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:17:43,881 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:17:43,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:43" (1/1) ... [2024-11-25 03:17:43,989 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:43" (1/1) ... [2024-11-25 03:17:45,796 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 12373 [2024-11-25 03:17:45,797 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:17:45,798 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:17:45,801 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:17:45,801 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:17:45,814 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:43" (1/1) ... [2024-11-25 03:17:45,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:43" (1/1) ... [2024-11-25 03:17:46,353 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:43" (1/1) ... [2024-11-25 03:17:46,353 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:43" (1/1) ... [2024-11-25 03:17:46,890 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:43" (1/1) ... [2024-11-25 03:17:46,929 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:43" (1/1) ... [2024-11-25 03:17:47,003 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:43" (1/1) ... [2024-11-25 03:17:47,072 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:43" (1/1) ... [2024-11-25 03:17:47,128 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:43" (1/1) ... [2024-11-25 03:17:47,360 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:17:47,362 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:17:47,363 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:17:47,363 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:17:47,365 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:43" (1/1) ... [2024-11-25 03:17:47,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:17:47,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a39a336-fcf9-4db2-a62d-08b8f05a5197/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:17:47,413 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a39a336-fcf9-4db2-a62d-08b8f05a5197/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:17:47,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a39a336-fcf9-4db2-a62d-08b8f05a5197/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:17:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:17:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:17:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:17:47,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:17:48,297 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:17:48,299 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:18:13,482 INFO L? ?]: Removed 7034 outVars from TransFormulas that were not future-live. [2024-11-25 03:18:13,482 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:18:41,730 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:18:41,730 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:18:41,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:18:41 BoogieIcfgContainer [2024-11-25 03:18:41,731 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:18:41,731 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:18:41,731 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:18:41,742 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:18:41,742 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:18:41" (1/1) ... [2024-11-25 03:18:41,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:18:41,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:18:41,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:18:41,802 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:18:41,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:18:41,804 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:18:41,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:18:42,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:18:48,862 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 03:18:59,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.55s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:19:09,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:19:10,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:19:10,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 03:19:10,902 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 03:19:10,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:19:10,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:19:10,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:25:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:26:01,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:26:01,117 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 03:26:01,123 INFO L158 Benchmark]: Toolchain (without parser) took 498737.79ms. Allocated memory was 142.6MB in the beginning and 6.6GB in the end (delta: 6.4GB). Free memory was 112.0MB in the beginning and 4.3GB in the end (delta: -4.2GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2024-11-25 03:26:01,123 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:26:01,123 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1492.78ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 51.0MB in the end (delta: 60.8MB). Peak memory consumption was 114.7MB. Max. memory is 16.1GB. [2024-11-25 03:26:01,124 INFO L158 Benchmark]: Boogie Procedure Inliner took 1916.69ms. Allocated memory was 142.6MB in the beginning and 838.9MB in the end (delta: 696.3MB). Free memory was 51.0MB in the beginning and 547.7MB in the end (delta: -496.7MB). Peak memory consumption was 235.6MB. Max. memory is 16.1GB. [2024-11-25 03:26:01,127 INFO L158 Benchmark]: Boogie Preprocessor took 1562.80ms. Allocated memory is still 838.9MB. Free memory was 547.7MB in the beginning and 460.0MB in the end (delta: 87.6MB). Peak memory consumption was 86.8MB. Max. memory is 16.1GB. [2024-11-25 03:26:01,128 INFO L158 Benchmark]: RCFGBuilder took 54368.22ms. Allocated memory was 838.9MB in the beginning and 3.8GB in the end (delta: 3.0GB). Free memory was 459.2MB in the beginning and 3.0GB in the end (delta: -2.6GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-25 03:26:01,131 INFO L158 Benchmark]: CodeCheck took 439390.42ms. Allocated memory was 3.8GB in the beginning and 6.6GB in the end (delta: 2.8GB). Free memory was 3.0GB in the beginning and 4.3GB in the end (delta: -1.3GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-11-25 03:26:01,135 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 0.44ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1492.78ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 51.0MB in the end (delta: 60.8MB). Peak memory consumption was 114.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1916.69ms. Allocated memory was 142.6MB in the beginning and 838.9MB in the end (delta: 696.3MB). Free memory was 51.0MB in the beginning and 547.7MB in the end (delta: -496.7MB). Peak memory consumption was 235.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1562.80ms. Allocated memory is still 838.9MB. Free memory was 547.7MB in the beginning and 460.0MB in the end (delta: 87.6MB). Peak memory consumption was 86.8MB. Max. memory is 16.1GB. * RCFGBuilder took 54368.22ms. Allocated memory was 838.9MB in the beginning and 3.8GB in the end (delta: 3.0GB). Free memory was 459.2MB in the beginning and 3.0GB in the end (delta: -2.6GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * CodeCheck took 439390.42ms. Allocated memory was 3.8GB in the beginning and 6.6GB in the end (delta: 2.8GB). Free memory was 3.0GB in the beginning and 4.3GB in the end (delta: -1.3GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:26:01,353 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a39a336-fcf9-4db2-a62d-08b8f05a5197/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-25 03:26:01,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a39a336-fcf9-4db2-a62d-08b8f05a5197/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_6a39a336-fcf9-4db2-a62d-08b8f05a5197/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a39a336-fcf9-4db2-a62d-08b8f05a5197/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_6a39a336-fcf9-4db2-a62d-08b8f05a5197/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a39a336-fcf9-4db2-a62d-08b8f05a5197/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a39a336-fcf9-4db2-a62d-08b8f05a5197/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_6a39a336-fcf9-4db2-a62d-08b8f05a5197/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 e470594375d28c6fca24e3b46071dd23e9cc6b300f46bbf6faad9ca7287c9df3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:26:03,964 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:26:04,093 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a39a336-fcf9-4db2-a62d-08b8f05a5197/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 03:26:04,136 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:26:04,137 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:26:04,137 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:26:04,138 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:26:04,138 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:26:04,139 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:26:04,139 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:26:04,140 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:26:04,140 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:26:04,140 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:26:04,140 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:26:04,140 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:26:04,140 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:26:04,140 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:26:04,140 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:26:04,140 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:26:04,140 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:26:04,141 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:26:04,141 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:26:04,141 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:26:04,141 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:26:04,141 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:26:04,141 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:26:04,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:26:04,141 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:26:04,141 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:26:04,141 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:26:04,142 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:26:04,142 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:26:04,142 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:26:04,142 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_6a39a336-fcf9-4db2-a62d-08b8f05a5197/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 -> e470594375d28c6fca24e3b46071dd23e9cc6b300f46bbf6faad9ca7287c9df3 [2024-11-25 03:26:04,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:26:04,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:26:04,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:26:04,473 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:26:04,474 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:26:04,478 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a39a336-fcf9-4db2-a62d-08b8f05a5197/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop1-func-interl.c [2024-11-25 03:26:07,675 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a39a336-fcf9-4db2-a62d-08b8f05a5197/bin/ukojak-verify-ENZ3QT5qd3/data/21124a082/2b576f9856894c019291ef800870db81/FLAG735f9a207 [2024-11-25 03:26:08,172 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:26:08,172 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a39a336-fcf9-4db2-a62d-08b8f05a5197/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop1-func-interl.c [2024-11-25 03:26:08,215 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a39a336-fcf9-4db2-a62d-08b8f05a5197/bin/ukojak-verify-ENZ3QT5qd3/data/21124a082/2b576f9856894c019291ef800870db81/FLAG735f9a207 [2024-11-25 03:26:08,239 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a39a336-fcf9-4db2-a62d-08b8f05a5197/bin/ukojak-verify-ENZ3QT5qd3/data/21124a082/2b576f9856894c019291ef800870db81 [2024-11-25 03:26:08,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:26:08,245 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:26:08,247 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:26:08,247 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:26:08,252 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:26:08,254 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:26:08" (1/1) ... [2024-11-25 03:26:08,256 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@668e9038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:08, skipping insertion in model container [2024-11-25 03:26:08,256 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:26:08" (1/1) ... [2024-11-25 03:26:08,358 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:26:08,624 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_6a39a336-fcf9-4db2-a62d-08b8f05a5197/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop1-func-interl.c[1171,1184] [2024-11-25 03:26:09,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:26:09,232 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:26:09,241 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_6a39a336-fcf9-4db2-a62d-08b8f05a5197/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop1-func-interl.c[1171,1184] [2024-11-25 03:26:09,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:26:09,526 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:26:09,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:09 WrapperNode [2024-11-25 03:26:09,527 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:26:09,529 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:26:09,529 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:26:09,529 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:26:09,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:09" (1/1) ... [2024-11-25 03:26:09,621 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:09" (1/1) ... [2024-11-25 03:26:09,823 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3645 [2024-11-25 03:26:09,824 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:26:09,825 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:26:09,825 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:26:09,825 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:26:09,833 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:09" (1/1) ... [2024-11-25 03:26:09,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:09" (1/1) ... [2024-11-25 03:26:09,867 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:09" (1/1) ... [2024-11-25 03:26:09,868 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:09" (1/1) ... [2024-11-25 03:26:09,965 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:09" (1/1) ... [2024-11-25 03:26:09,974 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:09" (1/1) ... [2024-11-25 03:26:09,984 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:09" (1/1) ... [2024-11-25 03:26:10,005 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:09" (1/1) ... [2024-11-25 03:26:10,021 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:09" (1/1) ... [2024-11-25 03:26:10,053 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:26:10,054 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:26:10,055 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:26:10,055 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:26:10,059 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:09" (1/1) ... [2024-11-25 03:26:10,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:26:10,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a39a336-fcf9-4db2-a62d-08b8f05a5197/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:26:10,093 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a39a336-fcf9-4db2-a62d-08b8f05a5197/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:26:10,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a39a336-fcf9-4db2-a62d-08b8f05a5197/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:26:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:26:10,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:26:10,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:26:10,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:26:10,925 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:26:10,927 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:26:16,431 INFO L? ?]: Removed 136 outVars from TransFormulas that were not future-live. [2024-11-25 03:26:16,431 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:26:16,584 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:26:16,585 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:26:16,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:26:16 BoogieIcfgContainer [2024-11-25 03:26:16,586 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:26:16,587 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:26:16,587 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:26:16,598 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:26:16,599 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:26:16" (1/1) ... [2024-11-25 03:26:16,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:26:16,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:26:16,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:26:16,671 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:26:16,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:26:16,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:26:16,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:26:16,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a39a336-fcf9-4db2-a62d-08b8f05a5197/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:26:16,680 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a39a336-fcf9-4db2-a62d-08b8f05a5197/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:26:16,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a39a336-fcf9-4db2-a62d-08b8f05a5197/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:26:18,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:26:18,016 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:26:18,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:26:18,328 INFO L256 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:26:18,345 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:26:18,720 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 03:26:18,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a39a336-fcf9-4db2-a62d-08b8f05a5197/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 03:26:19,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:26:19,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 03:26:19,103 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 03:26:19,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:26:19,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:26:19,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:26:19,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a39a336-fcf9-4db2-a62d-08b8f05a5197/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:26:19,106 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a39a336-fcf9-4db2-a62d-08b8f05a5197/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:26:19,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a39a336-fcf9-4db2-a62d-08b8f05a5197/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:26:21,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:26:21,178 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:26:21,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:26:21,796 INFO L256 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-25 03:26:21,827 INFO L279 TraceCheckSpWp]: Computing forward predicates...