./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.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_9463429c-8d83-4bdc-b943-e9d18c21dff9/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9463429c-8d83-4bdc-b943-e9d18c21dff9/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_9463429c-8d83-4bdc-b943-e9d18c21dff9/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9463429c-8d83-4bdc-b943-e9d18c21dff9/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9463429c-8d83-4bdc-b943-e9d18c21dff9/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_9463429c-8d83-4bdc-b943-e9d18c21dff9/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 844815abc3e9ea07a8b96661d60f5d4b47a75b6092b0ca1eb4feb4f55b41ed76 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:18:13,361 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:18:13,450 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9463429c-8d83-4bdc-b943-e9d18c21dff9/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-24 18:18:13,455 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:18:13,455 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:18:13,476 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:18:13,477 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:18:13,477 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:18:13,478 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:18:13,478 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:18:13,478 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:18:13,478 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:18:13,478 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:18:13,478 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:18:13,478 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:18:13,478 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:18:13,478 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:18:13,479 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:18:13,479 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:18:13,479 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:18:13,479 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:18:13,479 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:18:13,479 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:18:13,479 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:18:13,479 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:18:13,480 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:18:13,480 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:18:13,480 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:18:13,480 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:18:13,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:18:13,480 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_9463429c-8d83-4bdc-b943-e9d18c21dff9/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 -> 844815abc3e9ea07a8b96661d60f5d4b47a75b6092b0ca1eb4feb4f55b41ed76 [2024-11-24 18:18:13,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:18:13,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:18:13,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:18:13,789 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:18:13,789 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:18:13,790 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9463429c-8d83-4bdc-b943-e9d18c21dff9/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-func-interl.c [2024-11-24 18:18:16,840 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9463429c-8d83-4bdc-b943-e9d18c21dff9/bin/ukojak-verify-ENZ3QT5qd3/data/d05ae55e8/2a7567bcf6074553b5058a0fd69fb715/FLAG7eb022352 [2024-11-24 18:18:17,165 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:18:17,166 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9463429c-8d83-4bdc-b943-e9d18c21dff9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-func-interl.c [2024-11-24 18:18:17,184 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9463429c-8d83-4bdc-b943-e9d18c21dff9/bin/ukojak-verify-ENZ3QT5qd3/data/d05ae55e8/2a7567bcf6074553b5058a0fd69fb715/FLAG7eb022352 [2024-11-24 18:18:17,198 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9463429c-8d83-4bdc-b943-e9d18c21dff9/bin/ukojak-verify-ENZ3QT5qd3/data/d05ae55e8/2a7567bcf6074553b5058a0fd69fb715 [2024-11-24 18:18:17,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:18:17,202 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:18:17,203 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:18:17,203 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:18:17,208 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:18:17,209 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:18:17" (1/1) ... [2024-11-24 18:18:17,212 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d12baa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:18:17, skipping insertion in model container [2024-11-24 18:18:17,212 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:18:17" (1/1) ... [2024-11-24 18:18:17,260 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:18:17,497 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_9463429c-8d83-4bdc-b943-e9d18c21dff9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-func-interl.c[1171,1184] [2024-11-24 18:18:17,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:18:17,845 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:18:17,856 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_9463429c-8d83-4bdc-b943-e9d18c21dff9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-func-interl.c[1171,1184] [2024-11-24 18:18:18,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:18:18,086 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:18:18,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:18:18 WrapperNode [2024-11-24 18:18:18,088 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:18:18,089 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:18:18,089 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:18:18,090 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:18:18,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:18:18" (1/1) ... [2024-11-24 18:18:18,145 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:18:18" (1/1) ... [2024-11-24 18:18:18,674 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3279 [2024-11-24 18:18:18,674 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:18:18,675 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:18:18,679 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:18:18,679 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:18:18,696 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:18:18" (1/1) ... [2024-11-24 18:18:18,696 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:18:18" (1/1) ... [2024-11-24 18:18:18,761 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:18:18" (1/1) ... [2024-11-24 18:18:18,761 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:18:18" (1/1) ... [2024-11-24 18:18:18,986 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:18:18" (1/1) ... [2024-11-24 18:18:19,014 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:18:18" (1/1) ... [2024-11-24 18:18:19,029 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:18:18" (1/1) ... [2024-11-24 18:18:19,074 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:18:18" (1/1) ... [2024-11-24 18:18:19,128 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:18:18" (1/1) ... [2024-11-24 18:18:19,224 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:18:19,225 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:18:19,226 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:18:19,226 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:18:19,227 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:18:18" (1/1) ... [2024-11-24 18:18:19,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:18:19,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9463429c-8d83-4bdc-b943-e9d18c21dff9/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:18:19,258 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9463429c-8d83-4bdc-b943-e9d18c21dff9/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:18:19,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9463429c-8d83-4bdc-b943-e9d18c21dff9/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:18:19,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:18:19,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 18:18:19,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:18:19,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:18:19,764 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:18:19,766 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:18:24,240 INFO L? ?]: Removed 2023 outVars from TransFormulas that were not future-live. [2024-11-24 18:18:24,240 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:18:31,543 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:18:31,544 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-24 18:18:31,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:18:31 BoogieIcfgContainer [2024-11-24 18:18:31,544 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:18:31,545 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:18:31,545 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:18:31,556 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:18:31,557 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:18:31" (1/1) ... [2024-11-24 18:18:31,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:18:31,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:18:31,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-24 18:18:31,625 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-24 18:18:31,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-24 18:18:31,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:18:31,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:18:31,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:32,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:18:42,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-24 18:18:53,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-24 18:18:53,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:18:53,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-24 18:18:53,281 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-24 18:18:53,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 18:18:53,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:18:53,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:19:13,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:19:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:19:24,046 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) [2024-11-24 18:19:24,050 INFO L158 Benchmark]: Toolchain (without parser) took 66847.50ms. Allocated memory was 117.4MB in the beginning and 1.0GB in the end (delta: 931.1MB). Free memory was 91.5MB in the beginning and 826.0MB in the end (delta: -734.5MB). Peak memory consumption was 784.9MB. Max. memory is 16.1GB. [2024-11-24 18:19:24,050 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:19:24,050 INFO L158 Benchmark]: CACSL2BoogieTranslator took 885.59ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 78.0MB in the end (delta: 13.5MB). Peak memory consumption was 75.6MB. Max. memory is 16.1GB. [2024-11-24 18:19:24,051 INFO L158 Benchmark]: Boogie Procedure Inliner took 584.88ms. Allocated memory was 117.4MB in the beginning and 302.0MB in the end (delta: 184.5MB). Free memory was 78.0MB in the beginning and 219.7MB in the end (delta: -141.7MB). Peak memory consumption was 84.6MB. Max. memory is 16.1GB. [2024-11-24 18:19:24,052 INFO L158 Benchmark]: Boogie Preprocessor took 549.82ms. Allocated memory was 302.0MB in the beginning and 285.2MB in the end (delta: -16.8MB). Free memory was 219.7MB in the beginning and 181.7MB in the end (delta: 37.9MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2024-11-24 18:19:24,053 INFO L158 Benchmark]: RCFGBuilder took 12318.94ms. Allocated memory was 285.2MB in the beginning and 453.0MB in the end (delta: 167.8MB). Free memory was 181.7MB in the beginning and 274.3MB in the end (delta: -92.5MB). Peak memory consumption was 316.8MB. Max. memory is 16.1GB. [2024-11-24 18:19:24,053 INFO L158 Benchmark]: CodeCheck took 52503.52ms. Allocated memory was 453.0MB in the beginning and 1.0GB in the end (delta: 595.6MB). Free memory was 274.3MB in the beginning and 826.0MB in the end (delta: -551.7MB). Peak memory consumption was 634.9MB. Max. memory is 16.1GB. [2024-11-24 18:19:24,056 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 0.28ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 885.59ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 78.0MB in the end (delta: 13.5MB). Peak memory consumption was 75.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 584.88ms. Allocated memory was 117.4MB in the beginning and 302.0MB in the end (delta: 184.5MB). Free memory was 78.0MB in the beginning and 219.7MB in the end (delta: -141.7MB). Peak memory consumption was 84.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 549.82ms. Allocated memory was 302.0MB in the beginning and 285.2MB in the end (delta: -16.8MB). Free memory was 219.7MB in the beginning and 181.7MB in the end (delta: 37.9MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. * RCFGBuilder took 12318.94ms. Allocated memory was 285.2MB in the beginning and 453.0MB in the end (delta: 167.8MB). Free memory was 181.7MB in the beginning and 274.3MB in the end (delta: -92.5MB). Peak memory consumption was 316.8MB. Max. memory is 16.1GB. * CodeCheck took 52503.52ms. Allocated memory was 453.0MB in the beginning and 1.0GB in the end (delta: 595.6MB). Free memory was 274.3MB in the beginning and 826.0MB in the end (delta: -551.7MB). Peak memory consumption was 634.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-24 18:19:24,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9463429c-8d83-4bdc-b943-e9d18c21dff9/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9463429c-8d83-4bdc-b943-e9d18c21dff9/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9463429c-8d83-4bdc-b943-e9d18c21dff9/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_9463429c-8d83-4bdc-b943-e9d18c21dff9/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9463429c-8d83-4bdc-b943-e9d18c21dff9/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9463429c-8d83-4bdc-b943-e9d18c21dff9/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_9463429c-8d83-4bdc-b943-e9d18c21dff9/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 844815abc3e9ea07a8b96661d60f5d4b47a75b6092b0ca1eb4feb4f55b41ed76 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:19:26,804 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:19:26,937 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9463429c-8d83-4bdc-b943-e9d18c21dff9/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-24 18:19:26,984 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:19:26,985 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:19:26,985 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:19:26,985 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:19:26,986 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:19:26,986 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:19:26,986 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:19:26,986 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:19:26,986 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:19:26,986 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:19:26,986 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:19:26,986 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 18:19:26,986 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 18:19:26,986 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 18:19:26,987 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:19:26,987 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:19:26,987 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:19:26,987 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:19:26,987 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:19:26,987 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:19:26,987 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:19:26,987 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-24 18:19:26,987 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:19:26,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:19:26,988 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:19:26,988 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:19:26,990 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:19:26,991 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-24 18:19:26,991 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:19:26,991 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-24 18:19:26,991 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_9463429c-8d83-4bdc-b943-e9d18c21dff9/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 -> 844815abc3e9ea07a8b96661d60f5d4b47a75b6092b0ca1eb4feb4f55b41ed76 [2024-11-24 18:19:27,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:19:27,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:19:27,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:19:27,327 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:19:27,329 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:19:27,330 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9463429c-8d83-4bdc-b943-e9d18c21dff9/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-func-interl.c [2024-11-24 18:19:30,386 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9463429c-8d83-4bdc-b943-e9d18c21dff9/bin/ukojak-verify-ENZ3QT5qd3/data/dcaa672ca/5edadc224bd045a1be59b303d7376c90/FLAGdd42b250d [2024-11-24 18:19:30,707 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:19:30,708 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9463429c-8d83-4bdc-b943-e9d18c21dff9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-func-interl.c [2024-11-24 18:19:30,723 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9463429c-8d83-4bdc-b943-e9d18c21dff9/bin/ukojak-verify-ENZ3QT5qd3/data/dcaa672ca/5edadc224bd045a1be59b303d7376c90/FLAGdd42b250d [2024-11-24 18:19:30,743 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9463429c-8d83-4bdc-b943-e9d18c21dff9/bin/ukojak-verify-ENZ3QT5qd3/data/dcaa672ca/5edadc224bd045a1be59b303d7376c90 [2024-11-24 18:19:30,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:19:30,748 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:19:30,749 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:19:30,750 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:19:30,755 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:19:30,756 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:19:30" (1/1) ... [2024-11-24 18:19:30,757 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47a2d1b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:30, skipping insertion in model container [2024-11-24 18:19:30,757 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:19:30" (1/1) ... [2024-11-24 18:19:30,827 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:19:31,076 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_9463429c-8d83-4bdc-b943-e9d18c21dff9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-func-interl.c[1171,1184] [2024-11-24 18:19:31,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:19:31,460 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:19:31,476 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_9463429c-8d83-4bdc-b943-e9d18c21dff9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-func-interl.c[1171,1184] [2024-11-24 18:19:31,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:19:31,720 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:19:31,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:31 WrapperNode [2024-11-24 18:19:31,721 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:19:31,722 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:19:31,722 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:19:31,723 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:19:31,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:31" (1/1) ... [2024-11-24 18:19:31,763 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:31" (1/1) ... [2024-11-24 18:19:31,857 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1327 [2024-11-24 18:19:31,857 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:19:31,858 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:19:31,858 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:19:31,858 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:19:31,873 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:31" (1/1) ... [2024-11-24 18:19:31,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:31" (1/1) ... [2024-11-24 18:19:31,887 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:31" (1/1) ... [2024-11-24 18:19:31,888 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:31" (1/1) ... [2024-11-24 18:19:31,939 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:31" (1/1) ... [2024-11-24 18:19:31,945 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:31" (1/1) ... [2024-11-24 18:19:31,953 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:31" (1/1) ... [2024-11-24 18:19:31,957 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:31" (1/1) ... [2024-11-24 18:19:31,966 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:31" (1/1) ... [2024-11-24 18:19:31,984 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:19:31,985 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:19:31,985 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:19:31,985 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:19:31,986 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:31" (1/1) ... [2024-11-24 18:19:31,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:19:32,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9463429c-8d83-4bdc-b943-e9d18c21dff9/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:19:32,047 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9463429c-8d83-4bdc-b943-e9d18c21dff9/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:19:32,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9463429c-8d83-4bdc-b943-e9d18c21dff9/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:19:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:19:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-24 18:19:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:19:32,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:19:32,412 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:19:32,414 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:19:35,071 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-11-24 18:19:35,071 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:19:35,141 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:19:35,142 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-24 18:19:35,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:19:35 BoogieIcfgContainer [2024-11-24 18:19:35,143 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:19:35,144 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:19:35,144 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:19:35,153 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:19:35,154 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:19:35" (1/1) ... [2024-11-24 18:19:35,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:19:35,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:35,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-24 18:19:35,217 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-24 18:19:35,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-24 18:19:35,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:19:35,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:19:35,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9463429c-8d83-4bdc-b943-e9d18c21dff9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:19:35,224 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9463429c-8d83-4bdc-b943-e9d18c21dff9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:19:35,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9463429c-8d83-4bdc-b943-e9d18c21dff9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-24 18:19:35,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:35,787 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:19:35,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:35,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-24 18:19:35,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:19:36,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:19:36,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9463429c-8d83-4bdc-b943-e9d18c21dff9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-24 18:19:36,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:36,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-24 18:19:36,262 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-24 18:19:36,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 18:19:36,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:19:36,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:19:36,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9463429c-8d83-4bdc-b943-e9d18c21dff9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:19:36,267 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9463429c-8d83-4bdc-b943-e9d18c21dff9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:19:36,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9463429c-8d83-4bdc-b943-e9d18c21dff9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-24 18:19:37,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:37,231 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:19:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:37,525 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-24 18:19:37,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:27:15,727 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:27:15,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9463429c-8d83-4bdc-b943-e9d18c21dff9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-24 18:27:18,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:27:18,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2024-11-24 18:27:18,170 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2024-11-24 18:27:18,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-24 18:27:18,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:27:18,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:27:18,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9463429c-8d83-4bdc-b943-e9d18c21dff9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:27:18,174 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9463429c-8d83-4bdc-b943-e9d18c21dff9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:27:18,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9463429c-8d83-4bdc-b943-e9d18c21dff9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-24 18:27:19,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:27:19,483 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:27:19,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:27:19,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-24 18:27:19,895 INFO L279 TraceCheckSpWp]: Computing forward predicates...