./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm --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 c85f63b97e487048f2c2b8f38bfa206bb2718529ea0460dfe47c8cbf02866302 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:21:36,106 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:21:36,198 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 20:21:36,206 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:21:36,207 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:21:36,237 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:21:36,239 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:21:36,240 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:21:36,240 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:21:36,241 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:21:36,241 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:21:36,242 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:21:36,242 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:21:36,242 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:21:36,243 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:21:36,243 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:21:36,243 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:21:36,243 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:21:36,244 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:21:36,244 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:21:36,244 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:21:36,244 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:21:36,244 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:21:36,244 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:21:36,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:21:36,245 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:21:36,245 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:21:36,245 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:21:36,245 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:21:36,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:21:36,245 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_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm 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 -> c85f63b97e487048f2c2b8f38bfa206bb2718529ea0460dfe47c8cbf02866302 [2024-11-13 20:21:36,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:21:36,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:21:36,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:21:36,577 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:21:36,577 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:21:36,579 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c Unable to find full path for "g++" [2024-11-13 20:21:38,524 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:21:38,886 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:21:38,886 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d72cd6-1708-4d7f-b199-0107c8a0165b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c [2024-11-13 20:21:38,904 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm/data/75d81ea01/b9eb8774c9a54416931ac3e3993128f1/FLAGa433a1e93 [2024-11-13 20:21:38,928 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm/data/75d81ea01/b9eb8774c9a54416931ac3e3993128f1 [2024-11-13 20:21:38,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:21:38,932 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:21:38,934 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:21:38,935 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:21:38,941 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:21:38,942 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:21:38" (1/1) ... [2024-11-13 20:21:38,944 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e4bc2b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:21:38, skipping insertion in model container [2024-11-13 20:21:38,944 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:21:38" (1/1) ... [2024-11-13 20:21:39,008 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:21:39,211 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_35d72cd6-1708-4d7f-b199-0107c8a0165b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c[1176,1189] [2024-11-13 20:21:39,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:21:39,542 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:21:39,564 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_35d72cd6-1708-4d7f-b199-0107c8a0165b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c[1176,1189] [2024-11-13 20:21:39,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:21:39,820 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:21:39,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:21:39 WrapperNode [2024-11-13 20:21:39,821 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:21:39,822 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:21:39,822 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:21:39,822 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:21:39,829 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:21:39" (1/1) ... [2024-11-13 20:21:39,871 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:21:39" (1/1) ... [2024-11-13 20:21:40,427 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3443 [2024-11-13 20:21:40,427 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:21:40,428 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:21:40,428 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:21:40,428 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:21:40,437 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:21:39" (1/1) ... [2024-11-13 20:21:40,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:21:39" (1/1) ... [2024-11-13 20:21:40,628 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:21:39" (1/1) ... [2024-11-13 20:21:40,629 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:21:39" (1/1) ... [2024-11-13 20:21:40,903 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:21:39" (1/1) ... [2024-11-13 20:21:40,935 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:21:39" (1/1) ... [2024-11-13 20:21:40,968 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:21:39" (1/1) ... [2024-11-13 20:21:40,985 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:21:39" (1/1) ... [2024-11-13 20:21:41,072 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:21:41,075 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:21:41,075 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:21:41,076 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:21:41,078 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:21:39" (1/1) ... [2024-11-13 20:21:41,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:21:41,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:21:41,116 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:21:41,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:21:41,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:21:41,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:21:41,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:21:41,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:21:41,550 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:21:41,552 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:21:46,564 INFO L? ?]: Removed 1841 outVars from TransFormulas that were not future-live. [2024-11-13 20:21:46,565 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:21:53,587 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:21:53,587 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:21:53,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:21:53 BoogieIcfgContainer [2024-11-13 20:21:53,588 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:21:53,589 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:21:53,590 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:21:53,600 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:21:53,601 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:21:53" (1/1) ... [2024-11-13 20:21:53,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:21:53,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:53,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 20:21:53,671 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 20:21:53,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:21:53,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:53,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:21:54,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:55,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:22:05,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:22:15,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:22:16,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:16,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 20:22:16,050 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 20:22:16,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:22:16,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:16,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:22:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:22:34,965 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:22:45,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:22:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:22:56,010 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) [2024-11-13 20:22:56,016 INFO L158 Benchmark]: Toolchain (without parser) took 77083.77ms. Allocated memory was 117.4MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 90.9MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-13 20:22:56,016 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:22:56,017 INFO L158 Benchmark]: CACSL2BoogieTranslator took 886.98ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 45.4MB in the end (delta: 45.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-13 20:22:56,017 INFO L158 Benchmark]: Boogie Procedure Inliner took 605.55ms. Allocated memory was 117.4MB in the beginning and 125.8MB in the end (delta: 8.4MB). Free memory was 45.4MB in the beginning and 37.0MB in the end (delta: 8.5MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. [2024-11-13 20:22:56,018 INFO L158 Benchmark]: Boogie Preprocessor took 644.96ms. Allocated memory was 125.8MB in the beginning and 335.5MB in the end (delta: 209.7MB). Free memory was 37.0MB in the beginning and 226.8MB in the end (delta: -189.8MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-11-13 20:22:56,018 INFO L158 Benchmark]: RCFGBuilder took 12513.37ms. Allocated memory was 335.5MB in the beginning and 1.1GB in the end (delta: 721.4MB). Free memory was 226.8MB in the beginning and 515.0MB in the end (delta: -288.2MB). Peak memory consumption was 467.7MB. Max. memory is 16.1GB. [2024-11-13 20:22:56,019 INFO L158 Benchmark]: CodeCheck took 62425.40ms. Allocated memory was 1.1GB in the beginning and 1.9GB in the end (delta: 805.3MB). Free memory was 515.0MB in the beginning and 1.6GB in the end (delta: -1.1GB). Peak memory consumption was 763.3MB. Max. memory is 16.1GB. [2024-11-13 20:22:56,021 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 0.39ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 886.98ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 45.4MB in the end (delta: 45.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 605.55ms. Allocated memory was 117.4MB in the beginning and 125.8MB in the end (delta: 8.4MB). Free memory was 45.4MB in the beginning and 37.0MB in the end (delta: 8.5MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 644.96ms. Allocated memory was 125.8MB in the beginning and 335.5MB in the end (delta: 209.7MB). Free memory was 37.0MB in the beginning and 226.8MB in the end (delta: -189.8MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * RCFGBuilder took 12513.37ms. Allocated memory was 335.5MB in the beginning and 1.1GB in the end (delta: 721.4MB). Free memory was 226.8MB in the beginning and 515.0MB in the end (delta: -288.2MB). Peak memory consumption was 467.7MB. Max. memory is 16.1GB. * CodeCheck took 62425.40ms. Allocated memory was 1.1GB in the beginning and 1.9GB in the end (delta: 805.3MB). Free memory was 515.0MB in the beginning and 1.6GB in the end (delta: -1.1GB). Peak memory consumption was 763.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 20:22:56,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm/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_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm --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 c85f63b97e487048f2c2b8f38bfa206bb2718529ea0460dfe47c8cbf02866302 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:22:58,692 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:22:58,781 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 20:22:58,807 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:22:58,808 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:22:58,808 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:22:58,808 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:22:58,809 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:22:58,809 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:22:58,809 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:22:58,809 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:22:58,809 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:22:58,809 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:22:58,809 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:22:58,809 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:22:58,810 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:22:58,810 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:22:58,810 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:22:58,810 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:22:58,810 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:22:58,810 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:22:58,810 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:22:58,810 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:22:58,810 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:22:58,811 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:22:58,811 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:22:58,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:22:58,814 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:22:58,814 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:22:58,814 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:22:58,814 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:22:58,814 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:22:58,814 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:22:58,815 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_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm 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 -> c85f63b97e487048f2c2b8f38bfa206bb2718529ea0460dfe47c8cbf02866302 [2024-11-13 20:22:59,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:22:59,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:22:59,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:22:59,160 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:22:59,161 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:22:59,162 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c Unable to find full path for "g++" [2024-11-13 20:23:01,117 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:23:01,475 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:23:01,479 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d72cd6-1708-4d7f-b199-0107c8a0165b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c [2024-11-13 20:23:01,496 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm/data/3fee40e0b/5895adb007274306a79d41cf8d412008/FLAG16d3d599e [2024-11-13 20:23:01,709 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm/data/3fee40e0b/5895adb007274306a79d41cf8d412008 [2024-11-13 20:23:01,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:23:01,713 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:23:01,716 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:23:01,717 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:23:01,721 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:23:01,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:23:01" (1/1) ... [2024-11-13 20:23:01,724 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54eeb3d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:01, skipping insertion in model container [2024-11-13 20:23:01,726 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:23:01" (1/1) ... [2024-11-13 20:23:01,791 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:23:01,980 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_35d72cd6-1708-4d7f-b199-0107c8a0165b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c[1176,1189] [2024-11-13 20:23:02,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:23:02,235 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:23:02,246 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_35d72cd6-1708-4d7f-b199-0107c8a0165b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c[1176,1189] [2024-11-13 20:23:02,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:23:02,397 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:23:02,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:02 WrapperNode [2024-11-13 20:23:02,398 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:23:02,400 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:23:02,400 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:23:02,400 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:23:02,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:02" (1/1) ... [2024-11-13 20:23:02,430 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:02" (1/1) ... [2024-11-13 20:23:02,505 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 979 [2024-11-13 20:23:02,505 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:23:02,506 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:23:02,506 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:23:02,506 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:23:02,514 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:02" (1/1) ... [2024-11-13 20:23:02,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:02" (1/1) ... [2024-11-13 20:23:02,524 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:02" (1/1) ... [2024-11-13 20:23:02,524 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:02" (1/1) ... [2024-11-13 20:23:02,555 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:02" (1/1) ... [2024-11-13 20:23:02,562 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:02" (1/1) ... [2024-11-13 20:23:02,566 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:02" (1/1) ... [2024-11-13 20:23:02,570 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:02" (1/1) ... [2024-11-13 20:23:02,578 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:23:02,579 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:23:02,579 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:23:02,579 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:23:02,580 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:02" (1/1) ... [2024-11-13 20:23:02,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:23:02,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:23:02,620 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:23:02,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:23:02,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:23:02,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:23:02,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:23:02,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:23:03,021 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:23:03,023 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:23:04,119 INFO L? ?]: Removed 57 outVars from TransFormulas that were not future-live. [2024-11-13 20:23:04,119 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:23:04,194 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:23:04,194 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:23:04,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:23:04 BoogieIcfgContainer [2024-11-13 20:23:04,195 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:23:04,196 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:23:04,196 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:23:04,207 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:23:04,207 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:23:04" (1/1) ... [2024-11-13 20:23:04,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:23:04,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:04,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 20:23:04,272 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 20:23:04,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:23:04,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:04,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:04,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:23:04,281 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:23:04,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:23:04,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:04,705 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:23:04,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:04,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:23:04,819 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:04,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:23:04,956 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 20:23:04,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 20:23:05,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:05,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 20:23:05,085 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 20:23:05,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:23:05,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:05,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:05,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:23:05,090 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:23:05,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:23:05,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:05,681 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:23:05,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:05,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 20:23:05,906 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:55,845 WARN L286 SmtUtils]: Spent 42.70s on a formula simplification that was a NOOP. DAG size: 963 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:23:56,297 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:23:56,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 20:25:25,825 WARN L286 SmtUtils]: Spent 1.44m on a formula simplification. DAG size of input: 968 DAG size of output: 968 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:26:12,005 WARN L286 SmtUtils]: Spent 43.05s on a formula simplification that was a NOOP. DAG size: 964 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:26:56,474 WARN L286 SmtUtils]: Spent 43.68s on a formula simplification that was a NOOP. DAG size: 970 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:27:42,606 WARN L286 SmtUtils]: Spent 43.36s on a formula simplification that was a NOOP. DAG size: 969 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:28:30,060 WARN L286 SmtUtils]: Spent 44.35s on a formula simplification that was a NOOP. DAG size: 971 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:28:31,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:31,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2024-11-13 20:28:31,038 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2024-11-13 20:28:31,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 20:28:31,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:31,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:28:31,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:28:31,045 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:28:31,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d72cd6-1708-4d7f-b199-0107c8a0165b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 20:28:31,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:31,665 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:28:31,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:31,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 20:28:31,935 INFO L278 TraceCheckSpWp]: Computing forward predicates...