./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop1-back-serstep.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_29a8b5b2-0a68-43bc-be86-1d45a3185447/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a8b5b2-0a68-43bc-be86-1d45a3185447/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_29a8b5b2-0a68-43bc-be86-1d45a3185447/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a8b5b2-0a68-43bc-be86-1d45a3185447/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a8b5b2-0a68-43bc-be86-1d45a3185447/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_29a8b5b2-0a68-43bc-be86-1d45a3185447/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 fbc9735f3652cc1fb98823fc91e123b9928252d325c775fc65fb083910f2c6fd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:37:54,049 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:37:54,131 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a8b5b2-0a68-43bc-be86-1d45a3185447/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 21:37:54,144 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:37:54,146 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:37:54,183 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:37:54,187 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:37:54,188 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:37:54,188 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:37:54,188 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:37:54,189 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:37:54,189 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:37:54,189 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:37:54,190 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:37:54,190 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:37:54,190 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:37:54,191 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:37:54,192 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:37:54,192 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:37:54,192 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:37:54,192 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:37:54,192 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:37:54,192 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:37:54,193 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:37:54,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:37:54,193 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:37:54,193 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:37:54,193 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:37:54,193 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:37:54,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:37:54,193 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_29a8b5b2-0a68-43bc-be86-1d45a3185447/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 -> fbc9735f3652cc1fb98823fc91e123b9928252d325c775fc65fb083910f2c6fd [2024-11-13 21:37:54,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:37:54,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:37:54,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:37:54,604 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:37:54,604 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:37:54,606 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a8b5b2-0a68-43bc-be86-1d45a3185447/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 21:37:56,784 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:37:57,332 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:37:57,332 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a8b5b2-0a68-43bc-be86-1d45a3185447/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop1-back-serstep.c [2024-11-13 21:37:57,365 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a8b5b2-0a68-43bc-be86-1d45a3185447/bin/ukojak-verify-EEHR8qb7sm/data/58ed8296b/b2a478d68eb84f36a9dffcd5afbc56d5/FLAG026851e1b [2024-11-13 21:37:57,847 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a8b5b2-0a68-43bc-be86-1d45a3185447/bin/ukojak-verify-EEHR8qb7sm/data/58ed8296b/b2a478d68eb84f36a9dffcd5afbc56d5 [2024-11-13 21:37:57,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:37:57,851 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:37:57,853 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:37:57,853 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:37:57,857 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:37:57,858 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:37:57" (1/1) ... [2024-11-13 21:37:57,859 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@277f282f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:57, skipping insertion in model container [2024-11-13 21:37:57,859 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:37:57" (1/1) ... [2024-11-13 21:37:57,975 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:37:58,283 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_29a8b5b2-0a68-43bc-be86-1d45a3185447/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop1-back-serstep.c[1172,1185] [2024-11-13 21:37:58,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:37:59,007 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:37:59,019 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_29a8b5b2-0a68-43bc-be86-1d45a3185447/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop1-back-serstep.c[1172,1185] [2024-11-13 21:37:59,400 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:37:59,416 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:37:59,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:59 WrapperNode [2024-11-13 21:37:59,418 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:37:59,419 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:37:59,420 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:37:59,420 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:37:59,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:59" (1/1) ... [2024-11-13 21:37:59,516 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:59" (1/1) ... [2024-11-13 21:38:00,937 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11622 [2024-11-13 21:38:00,937 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:38:00,938 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:38:00,939 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:38:00,939 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:38:00,956 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:59" (1/1) ... [2024-11-13 21:38:00,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:59" (1/1) ... [2024-11-13 21:38:01,500 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:59" (1/1) ... [2024-11-13 21:38:01,501 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:59" (1/1) ... [2024-11-13 21:38:02,102 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:59" (1/1) ... [2024-11-13 21:38:02,221 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:59" (1/1) ... [2024-11-13 21:38:02,290 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:59" (1/1) ... [2024-11-13 21:38:02,346 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:59" (1/1) ... [2024-11-13 21:38:02,647 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:38:02,649 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:38:02,651 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:38:02,651 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:38:02,653 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:59" (1/1) ... [2024-11-13 21:38:02,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:38:02,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a8b5b2-0a68-43bc-be86-1d45a3185447/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:38:02,705 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a8b5b2-0a68-43bc-be86-1d45a3185447/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:38:02,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a8b5b2-0a68-43bc-be86-1d45a3185447/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:38:02,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:38:02,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:38:02,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:38:02,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:38:03,776 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:38:03,778 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:38:28,275 INFO L? ?]: Removed 6190 outVars from TransFormulas that were not future-live. [2024-11-13 21:38:28,275 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:38:55,974 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:38:55,975 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:38:55,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:38:55 BoogieIcfgContainer [2024-11-13 21:38:55,975 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:38:55,976 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:38:55,976 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:38:55,984 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:38:55,984 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:38:55" (1/1) ... [2024-11-13 21:38:55,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:38:56,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:38:56,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:38:56,051 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:38:56,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:38:56,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:38:56,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:38:59,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:39:04,386 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 21:39:15,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.69s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:39:25,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:39:30,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:39:36,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.60s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:39:37,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:39:47,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:39:47,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:39:47,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 21:39:47,242 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 21:39:47,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:39:47,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:39:47,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:46:30,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:46:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:46:44,505 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 21:46:44,513 INFO L158 Benchmark]: Toolchain (without parser) took 526660.94ms. Allocated memory was 142.6MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 114.4MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 793.3MB. Max. memory is 16.1GB. [2024-11-13 21:46:44,513 INFO L158 Benchmark]: CDTParser took 1.77ms. Allocated memory is still 142.6MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:46:44,514 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1565.99ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 61.3MB in the end (delta: 52.9MB). Peak memory consumption was 127.2MB. Max. memory is 16.1GB. [2024-11-13 21:46:44,515 INFO L158 Benchmark]: Boogie Procedure Inliner took 1518.23ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 61.3MB in the beginning and 64.2MB in the end (delta: -2.9MB). Peak memory consumption was 217.9MB. Max. memory is 16.1GB. [2024-11-13 21:46:44,516 INFO L158 Benchmark]: Boogie Preprocessor took 1708.48ms. Allocated memory was 285.2MB in the beginning and 788.5MB in the end (delta: 503.3MB). Free memory was 64.2MB in the beginning and 496.5MB in the end (delta: -432.3MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. [2024-11-13 21:46:44,517 INFO L158 Benchmark]: RCFGBuilder took 53326.41ms. Allocated memory was 788.5MB in the beginning and 3.9GB in the end (delta: 3.1GB). Free memory was 496.5MB in the beginning and 3.1GB in the end (delta: -2.6GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-11-13 21:46:44,518 INFO L158 Benchmark]: CodeCheck took 468534.93ms. Allocated memory was 3.9GB in the beginning and 2.2GB in the end (delta: -1.7GB). Free memory was 3.1GB in the beginning and 1.4GB in the end (delta: 1.7GB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2024-11-13 21:46:44,522 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 1.77ms. Allocated memory is still 142.6MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1565.99ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 61.3MB in the end (delta: 52.9MB). Peak memory consumption was 127.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1518.23ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 61.3MB in the beginning and 64.2MB in the end (delta: -2.9MB). Peak memory consumption was 217.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1708.48ms. Allocated memory was 285.2MB in the beginning and 788.5MB in the end (delta: 503.3MB). Free memory was 64.2MB in the beginning and 496.5MB in the end (delta: -432.3MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. * RCFGBuilder took 53326.41ms. Allocated memory was 788.5MB in the beginning and 3.9GB in the end (delta: 3.1GB). Free memory was 496.5MB in the beginning and 3.1GB in the end (delta: -2.6GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * CodeCheck took 468534.93ms. Allocated memory was 3.9GB in the beginning and 2.2GB in the end (delta: -1.7GB). Free memory was 3.1GB in the beginning and 1.4GB in the end (delta: 1.7GB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:46:44,741 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a8b5b2-0a68-43bc-be86-1d45a3185447/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-13 21:46:44,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a8b5b2-0a68-43bc-be86-1d45a3185447/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a8b5b2-0a68-43bc-be86-1d45a3185447/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a8b5b2-0a68-43bc-be86-1d45a3185447/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_29a8b5b2-0a68-43bc-be86-1d45a3185447/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a8b5b2-0a68-43bc-be86-1d45a3185447/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a8b5b2-0a68-43bc-be86-1d45a3185447/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_29a8b5b2-0a68-43bc-be86-1d45a3185447/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 fbc9735f3652cc1fb98823fc91e123b9928252d325c775fc65fb083910f2c6fd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:46:47,470 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:46:47,617 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a8b5b2-0a68-43bc-be86-1d45a3185447/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 21:46:47,668 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:46:47,670 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:46:47,671 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:46:47,671 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:46:47,672 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:46:47,672 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:46:47,672 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:46:47,673 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:46:47,673 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:46:47,674 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:46:47,674 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:46:47,674 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:46:47,674 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:46:47,675 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:46:47,675 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:46:47,675 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:46:47,675 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:46:47,675 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:46:47,676 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:46:47,676 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:46:47,676 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:46:47,676 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:46:47,676 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:46:47,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:46:47,677 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:46:47,677 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:46:47,677 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:46:47,677 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:46:47,677 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:46:47,678 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:46:47,678 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_29a8b5b2-0a68-43bc-be86-1d45a3185447/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 -> fbc9735f3652cc1fb98823fc91e123b9928252d325c775fc65fb083910f2c6fd [2024-11-13 21:46:48,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:46:48,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:46:48,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:46:48,025 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:46:48,026 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:46:48,031 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a8b5b2-0a68-43bc-be86-1d45a3185447/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 21:46:49,965 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:46:50,511 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:46:50,512 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a8b5b2-0a68-43bc-be86-1d45a3185447/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop1-back-serstep.c [2024-11-13 21:46:50,545 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a8b5b2-0a68-43bc-be86-1d45a3185447/bin/ukojak-verify-EEHR8qb7sm/data/5c53b4b86/8d624f59a7994b36b4fd125467740470/FLAG539284a8b [2024-11-13 21:46:50,570 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a8b5b2-0a68-43bc-be86-1d45a3185447/bin/ukojak-verify-EEHR8qb7sm/data/5c53b4b86/8d624f59a7994b36b4fd125467740470 [2024-11-13 21:46:50,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:46:50,576 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:46:50,578 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:46:50,579 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:46:50,584 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:46:50,585 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:46:50" (1/1) ... [2024-11-13 21:46:50,587 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@662505bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:50, skipping insertion in model container [2024-11-13 21:46:50,587 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:46:50" (1/1) ... [2024-11-13 21:46:50,707 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:46:50,987 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_29a8b5b2-0a68-43bc-be86-1d45a3185447/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop1-back-serstep.c[1172,1185] [2024-11-13 21:46:51,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:46:51,688 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:46:51,703 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_29a8b5b2-0a68-43bc-be86-1d45a3185447/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop1-back-serstep.c[1172,1185] [2024-11-13 21:46:52,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:46:52,068 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:46:52,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:52 WrapperNode [2024-11-13 21:46:52,070 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:46:52,071 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:46:52,071 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:46:52,071 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:46:52,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:52" (1/1) ... [2024-11-13 21:46:52,154 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:52" (1/1) ... [2024-11-13 21:46:52,339 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3314 [2024-11-13 21:46:52,340 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:46:52,341 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:46:52,341 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:46:52,341 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:46:52,352 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:52" (1/1) ... [2024-11-13 21:46:52,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:52" (1/1) ... [2024-11-13 21:46:52,394 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:52" (1/1) ... [2024-11-13 21:46:52,394 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:52" (1/1) ... [2024-11-13 21:46:52,516 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:52" (1/1) ... [2024-11-13 21:46:52,537 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:52" (1/1) ... [2024-11-13 21:46:52,553 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:52" (1/1) ... [2024-11-13 21:46:52,574 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:52" (1/1) ... [2024-11-13 21:46:52,647 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:46:52,648 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:46:52,649 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:46:52,650 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:46:52,651 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:52" (1/1) ... [2024-11-13 21:46:52,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:46:52,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a8b5b2-0a68-43bc-be86-1d45a3185447/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:46:52,691 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a8b5b2-0a68-43bc-be86-1d45a3185447/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:46:52,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a8b5b2-0a68-43bc-be86-1d45a3185447/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:46:52,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:46:52,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:46:52,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:46:52,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:46:53,486 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:46:53,489 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:47:00,874 INFO L? ?]: Removed 316 outVars from TransFormulas that were not future-live. [2024-11-13 21:47:00,875 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:47:01,002 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:47:01,003 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:47:01,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:47:01 BoogieIcfgContainer [2024-11-13 21:47:01,003 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:47:01,004 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:47:01,004 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:47:01,014 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:47:01,015 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:47:01" (1/1) ... [2024-11-13 21:47:01,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:47:01,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:47:01,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:47:01,083 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:47:01,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:47:01,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:47:01,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:47:01,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a8b5b2-0a68-43bc-be86-1d45a3185447/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:47:01,091 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a8b5b2-0a68-43bc-be86-1d45a3185447/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:47:01,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a8b5b2-0a68-43bc-be86-1d45a3185447/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:47:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:47:02,414 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:47:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:47:02,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 21:47:02,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:47:02,946 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 21:47:02,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a8b5b2-0a68-43bc-be86-1d45a3185447/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:47:04,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:47:04,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 21:47:04,057 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 21:47:04,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:47:04,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:47:04,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:47:04,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a8b5b2-0a68-43bc-be86-1d45a3185447/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:47:04,062 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a8b5b2-0a68-43bc-be86-1d45a3185447/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:47:04,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a8b5b2-0a68-43bc-be86-1d45a3185447/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:47:06,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:47:06,319 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:47:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:47:07,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 99 conjuncts are in the unsatisfiable core [2024-11-13 21:47:07,121 INFO L278 TraceCheckSpWp]: Computing forward predicates...