./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.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_555d0625-9c4f-488f-8def-b3df35f275ec/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555d0625-9c4f-488f-8def-b3df35f275ec/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_555d0625-9c4f-488f-8def-b3df35f275ec/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555d0625-9c4f-488f-8def-b3df35f275ec/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555d0625-9c4f-488f-8def-b3df35f275ec/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_555d0625-9c4f-488f-8def-b3df35f275ec/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 a950f5ab20de05994a7f9773ec8cee1af06e8b795e2cdd285e2e11c07a0d01e7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:21:29,860 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:21:29,927 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555d0625-9c4f-488f-8def-b3df35f275ec/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 23:21:29,933 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:21:29,933 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:21:29,976 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:21:29,977 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:21:29,977 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:21:29,977 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:21:29,977 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:21:29,978 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:21:29,979 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:21:29,979 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:21:29,979 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:21:29,980 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:21:29,980 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:21:29,980 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:21:29,980 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:21:29,981 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:21:29,981 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:21:29,981 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:21:29,981 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:21:29,981 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:21:29,982 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:21:29,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:21:29,982 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:21:29,982 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:21:29,982 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:21:29,983 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:21:29,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:21:29,983 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_555d0625-9c4f-488f-8def-b3df35f275ec/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 -> a950f5ab20de05994a7f9773ec8cee1af06e8b795e2cdd285e2e11c07a0d01e7 [2024-11-13 23:21:30,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:21:30,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:21:30,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:21:30,291 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:21:30,292 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:21:30,293 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555d0625-9c4f-488f-8def-b3df35f275ec/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.1.prop1-func-interl.c Unable to find full path for "g++" [2024-11-13 23:21:32,135 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:21:32,601 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:21:32,602 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555d0625-9c4f-488f-8def-b3df35f275ec/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.1.prop1-func-interl.c [2024-11-13 23:21:32,624 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555d0625-9c4f-488f-8def-b3df35f275ec/bin/ukojak-verify-EEHR8qb7sm/data/9f2765a6d/4409dff1c21544f68c7dbeb79b5cfb4c/FLAG25d6c4484 [2024-11-13 23:21:32,647 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555d0625-9c4f-488f-8def-b3df35f275ec/bin/ukojak-verify-EEHR8qb7sm/data/9f2765a6d/4409dff1c21544f68c7dbeb79b5cfb4c [2024-11-13 23:21:32,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:21:32,653 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:21:32,656 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:21:32,657 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:21:32,661 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:21:32,662 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:21:32" (1/1) ... [2024-11-13 23:21:32,663 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33084e87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:32, skipping insertion in model container [2024-11-13 23:21:32,663 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:21:32" (1/1) ... [2024-11-13 23:21:32,752 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:21:32,967 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_555d0625-9c4f-488f-8def-b3df35f275ec/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.1.prop1-func-interl.c[1171,1184] [2024-11-13 23:21:33,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:21:33,606 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:21:33,617 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_555d0625-9c4f-488f-8def-b3df35f275ec/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.1.prop1-func-interl.c[1171,1184] [2024-11-13 23:21:33,969 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:21:33,985 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:21:33,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:33 WrapperNode [2024-11-13 23:21:33,987 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:21:33,988 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:21:33,988 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:21:33,988 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:21:33,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:33" (1/1) ... [2024-11-13 23:21:34,181 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:33" (1/1) ... [2024-11-13 23:21:35,588 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 12372 [2024-11-13 23:21:35,589 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:21:35,590 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:21:35,590 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:21:35,590 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:21:35,602 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:33" (1/1) ... [2024-11-13 23:21:35,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:33" (1/1) ... [2024-11-13 23:21:36,401 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:33" (1/1) ... [2024-11-13 23:21:36,401 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:33" (1/1) ... [2024-11-13 23:21:37,003 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:33" (1/1) ... [2024-11-13 23:21:37,101 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:33" (1/1) ... [2024-11-13 23:21:37,284 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:33" (1/1) ... [2024-11-13 23:21:37,336 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:33" (1/1) ... [2024-11-13 23:21:37,659 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:21:37,661 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:21:37,661 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:21:37,661 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:21:37,663 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:33" (1/1) ... [2024-11-13 23:21:37,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:21:37,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555d0625-9c4f-488f-8def-b3df35f275ec/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:21:37,694 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555d0625-9c4f-488f-8def-b3df35f275ec/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:21:37,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555d0625-9c4f-488f-8def-b3df35f275ec/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:21:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:21:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:21:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:21:37,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:21:38,681 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:21:38,683 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:22:00,519 INFO L? ?]: Removed 7034 outVars from TransFormulas that were not future-live. [2024-11-13 23:22:00,520 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:22:24,421 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:22:24,421 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:22:24,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:22:24 BoogieIcfgContainer [2024-11-13 23:22:24,422 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:22:24,423 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:22:24,423 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:22:24,433 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:22:24,434 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:22:24" (1/1) ... [2024-11-13 23:22:24,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:22:24,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:24,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 23:22:24,508 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 23:22:24,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 23:22:24,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:24,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:22:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:32,078 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 23:22:42,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.42s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 23:22:52,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 23:22:53,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:53,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 23:22:53,461 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 23:22:53,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:22:53,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:53,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms