./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e13de5a-988d-400e-a5ad-3f755bfdb140/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e13de5a-988d-400e-a5ad-3f755bfdb140/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e13de5a-988d-400e-a5ad-3f755bfdb140/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e13de5a-988d-400e-a5ad-3f755bfdb140/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e13de5a-988d-400e-a5ad-3f755bfdb140/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e13de5a-988d-400e-a5ad-3f755bfdb140/bin/ukojak-verify-ImItNfHLgk --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 2e2d9d2edf7ef9ac8635f9a307425f0db3fcdf30b6f3620ad75a928e7dc256e0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:20:50,188 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:20:50,287 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e13de5a-988d-400e-a5ad-3f755bfdb140/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-08 22:20:50,292 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:20:50,293 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:20:50,322 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:20:50,323 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:20:50,324 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:20:50,325 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:20:50,325 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:20:50,326 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:20:50,326 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:20:50,327 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:20:50,329 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:20:50,333 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:20:50,333 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:20:50,333 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:20:50,334 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:20:50,334 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:20:50,334 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:20:50,335 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:20:50,336 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:20:50,338 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:20:50,339 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:20:50,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:20:50,339 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:20:50,340 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:20:50,340 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:20:50,340 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:20:50,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:20:50,344 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e13de5a-988d-400e-a5ad-3f755bfdb140/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e13de5a-988d-400e-a5ad-3f755bfdb140/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e2d9d2edf7ef9ac8635f9a307425f0db3fcdf30b6f3620ad75a928e7dc256e0 [2024-11-08 22:20:50,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:20:50,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:20:50,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:20:50,709 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:20:50,714 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:20:50,716 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e13de5a-988d-400e-a5ad-3f755bfdb140/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-08 22:20:52,989 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:20:53,389 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:20:53,390 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e13de5a-988d-400e-a5ad-3f755bfdb140/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-back-serstep.c [2024-11-08 22:20:53,407 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e13de5a-988d-400e-a5ad-3f755bfdb140/bin/ukojak-verify-ImItNfHLgk/data/2b8bf01b4/466b5276c42d4fe1a0d65835cf318aa2/FLAG3cf5ef885 [2024-11-08 22:20:53,578 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e13de5a-988d-400e-a5ad-3f755bfdb140/bin/ukojak-verify-ImItNfHLgk/data/2b8bf01b4/466b5276c42d4fe1a0d65835cf318aa2 [2024-11-08 22:20:53,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:20:53,583 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:20:53,585 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:20:53,586 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:20:53,606 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:20:53,607 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:20:53" (1/1) ... [2024-11-08 22:20:53,608 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@437e4146 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:53, skipping insertion in model container [2024-11-08 22:20:53,608 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:20:53" (1/1) ... [2024-11-08 22:20:53,692 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:20:53,947 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_4e13de5a-988d-400e-a5ad-3f755bfdb140/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-back-serstep.c[1177,1190] [2024-11-08 22:20:54,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:20:54,475 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:20:54,487 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_4e13de5a-988d-400e-a5ad-3f755bfdb140/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-back-serstep.c[1177,1190] [2024-11-08 22:20:54,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:20:54,760 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:20:54,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:54 WrapperNode [2024-11-08 22:20:54,761 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:20:54,762 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:20:54,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:20:54,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:20:54,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:54" (1/1) ... [2024-11-08 22:20:54,847 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:54" (1/1) ... [2024-11-08 22:20:55,606 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4069 [2024-11-08 22:20:55,607 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:20:55,608 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:20:55,608 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:20:55,608 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:20:55,620 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:54" (1/1) ... [2024-11-08 22:20:55,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:54" (1/1) ... [2024-11-08 22:20:55,726 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:54" (1/1) ... [2024-11-08 22:20:55,730 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:54" (1/1) ... [2024-11-08 22:20:55,908 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:54" (1/1) ... [2024-11-08 22:20:55,947 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:54" (1/1) ... [2024-11-08 22:20:55,974 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:54" (1/1) ... [2024-11-08 22:20:55,996 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:54" (1/1) ... [2024-11-08 22:20:56,114 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:20:56,115 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:20:56,115 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:20:56,115 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:20:56,116 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:54" (1/1) ... [2024-11-08 22:20:56,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:20:56,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e13de5a-988d-400e-a5ad-3f755bfdb140/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:20:56,157 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e13de5a-988d-400e-a5ad-3f755bfdb140/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:20:56,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e13de5a-988d-400e-a5ad-3f755bfdb140/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:20:56,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:20:56,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:20:56,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:20:56,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:20:56,677 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:20:56,680 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:21:04,114 INFO L? ?]: Removed 2176 outVars from TransFormulas that were not future-live. [2024-11-08 22:21:04,114 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:21:13,678 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:21:13,678 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:21:13,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:21:13 BoogieIcfgContainer [2024-11-08 22:21:13,679 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:21:13,680 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:21:13,681 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:21:13,695 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:21:13,695 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:21:13" (1/1) ... [2024-11-08 22:21:13,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:21:13,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:13,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 22:21:13,792 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 22:21:13,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 22:21:13,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:13,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:18,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:21:29,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:21:39,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:21:43,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.67s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:21:51,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.79s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:21:51,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:51,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-08 22:21:51,689 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-08 22:21:51,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:21:51,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:51,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:22:34,735 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:23:07,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:23:18,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:23:18,584 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) [2024-11-08 22:23:18,589 INFO L158 Benchmark]: Toolchain (without parser) took 145005.55ms. Allocated memory was 176.2MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 146.3MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 619.1MB. Max. memory is 16.1GB. [2024-11-08 22:23:18,590 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 123.7MB. Free memory is still 98.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:23:18,590 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1176.13ms. Allocated memory is still 176.2MB. Free memory was 146.0MB in the beginning and 90.4MB in the end (delta: 55.7MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. [2024-11-08 22:23:18,592 INFO L158 Benchmark]: Boogie Procedure Inliner took 844.60ms. Allocated memory was 176.2MB in the beginning and 306.2MB in the end (delta: 130.0MB). Free memory was 90.4MB in the beginning and 209.0MB in the end (delta: -118.6MB). Peak memory consumption was 87.7MB. Max. memory is 16.1GB. [2024-11-08 22:23:18,593 INFO L158 Benchmark]: Boogie Preprocessor took 506.27ms. Allocated memory is still 306.2MB. Free memory was 209.0MB in the beginning and 169.1MB in the end (delta: 39.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-08 22:23:18,595 INFO L158 Benchmark]: RCFGBuilder took 17564.51ms. Allocated memory was 306.2MB in the beginning and 1.1GB in the end (delta: 773.8MB). Free memory was 169.1MB in the beginning and 550.8MB in the end (delta: -381.7MB). Peak memory consumption was 575.7MB. Max. memory is 16.1GB. [2024-11-08 22:23:18,596 INFO L158 Benchmark]: CodeCheck took 124907.96ms. Allocated memory was 1.1GB in the beginning and 2.2GB in the end (delta: 1.1GB). Free memory was 550.8MB in the beginning and 1.5GB in the end (delta: -960.8MB). Peak memory consumption was 119.2MB. Max. memory is 16.1GB. [2024-11-08 22:23:18,599 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 0.42ms. Allocated memory is still 123.7MB. Free memory is still 98.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1176.13ms. Allocated memory is still 176.2MB. Free memory was 146.0MB in the beginning and 90.4MB in the end (delta: 55.7MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 844.60ms. Allocated memory was 176.2MB in the beginning and 306.2MB in the end (delta: 130.0MB). Free memory was 90.4MB in the beginning and 209.0MB in the end (delta: -118.6MB). Peak memory consumption was 87.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 506.27ms. Allocated memory is still 306.2MB. Free memory was 209.0MB in the beginning and 169.1MB in the end (delta: 39.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * RCFGBuilder took 17564.51ms. Allocated memory was 306.2MB in the beginning and 1.1GB in the end (delta: 773.8MB). Free memory was 169.1MB in the beginning and 550.8MB in the end (delta: -381.7MB). Peak memory consumption was 575.7MB. Max. memory is 16.1GB. * CodeCheck took 124907.96ms. Allocated memory was 1.1GB in the beginning and 2.2GB in the end (delta: 1.1GB). Free memory was 550.8MB in the beginning and 1.5GB in the end (delta: -960.8MB). Peak memory consumption was 119.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 22:23:18,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e13de5a-988d-400e-a5ad-3f755bfdb140/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e13de5a-988d-400e-a5ad-3f755bfdb140/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e13de5a-988d-400e-a5ad-3f755bfdb140/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e13de5a-988d-400e-a5ad-3f755bfdb140/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e13de5a-988d-400e-a5ad-3f755bfdb140/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e13de5a-988d-400e-a5ad-3f755bfdb140/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e13de5a-988d-400e-a5ad-3f755bfdb140/bin/ukojak-verify-ImItNfHLgk --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 2e2d9d2edf7ef9ac8635f9a307425f0db3fcdf30b6f3620ad75a928e7dc256e0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:23:21,199 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:23:21,300 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e13de5a-988d-400e-a5ad-3f755bfdb140/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-08 22:23:21,331 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:23:21,332 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:23:21,333 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:23:21,333 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:23:21,334 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:23:21,334 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:23:21,336 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:23:21,337 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:23:21,337 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:23:21,338 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:23:21,341 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:23:21,342 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:23:21,342 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:23:21,343 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:23:21,343 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:23:21,344 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:23:21,344 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:23:21,345 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:23:21,345 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:23:21,346 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:23:21,346 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:23:21,347 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:23:21,347 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:23:21,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:23:21,348 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:23:21,348 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:23:21,349 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:23:21,349 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:23:21,349 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:23:21,350 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:23:21,350 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e13de5a-988d-400e-a5ad-3f755bfdb140/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e13de5a-988d-400e-a5ad-3f755bfdb140/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e2d9d2edf7ef9ac8635f9a307425f0db3fcdf30b6f3620ad75a928e7dc256e0 [2024-11-08 22:23:21,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:23:21,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:23:21,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:23:21,797 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:23:21,800 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:23:21,801 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e13de5a-988d-400e-a5ad-3f755bfdb140/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-08 22:23:24,092 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:23:24,438 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:23:24,440 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e13de5a-988d-400e-a5ad-3f755bfdb140/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-back-serstep.c [2024-11-08 22:23:24,458 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e13de5a-988d-400e-a5ad-3f755bfdb140/bin/ukojak-verify-ImItNfHLgk/data/c7eb570d4/ab61d53588d149cea1933beb7f5087c9/FLAGb5616365e [2024-11-08 22:23:24,481 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e13de5a-988d-400e-a5ad-3f755bfdb140/bin/ukojak-verify-ImItNfHLgk/data/c7eb570d4/ab61d53588d149cea1933beb7f5087c9 [2024-11-08 22:23:24,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:23:24,485 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:23:24,486 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:23:24,487 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:23:24,492 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:23:24,493 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:23:24" (1/1) ... [2024-11-08 22:23:24,494 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dffe854 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:24, skipping insertion in model container [2024-11-08 22:23:24,494 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:23:24" (1/1) ... [2024-11-08 22:23:24,552 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:23:24,899 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_4e13de5a-988d-400e-a5ad-3f755bfdb140/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-back-serstep.c[1177,1190] [2024-11-08 22:23:25,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:23:25,266 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:23:25,283 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_4e13de5a-988d-400e-a5ad-3f755bfdb140/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-back-serstep.c[1177,1190] [2024-11-08 22:23:25,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:23:25,462 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:23:25,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:25 WrapperNode [2024-11-08 22:23:25,462 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:23:25,464 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:23:25,464 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:23:25,465 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:23:25,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:25" (1/1) ... [2024-11-08 22:23:25,520 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:25" (1/1) ... [2024-11-08 22:23:25,619 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1269 [2024-11-08 22:23:25,619 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:23:25,620 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:23:25,620 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:23:25,620 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:23:25,631 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:25" (1/1) ... [2024-11-08 22:23:25,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:25" (1/1) ... [2024-11-08 22:23:25,641 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:25" (1/1) ... [2024-11-08 22:23:25,642 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:25" (1/1) ... [2024-11-08 22:23:25,694 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:25" (1/1) ... [2024-11-08 22:23:25,698 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:25" (1/1) ... [2024-11-08 22:23:25,703 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:25" (1/1) ... [2024-11-08 22:23:25,708 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:25" (1/1) ... [2024-11-08 22:23:25,718 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:23:25,719 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:23:25,719 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:23:25,719 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:23:25,720 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:25" (1/1) ... [2024-11-08 22:23:25,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:23:25,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e13de5a-988d-400e-a5ad-3f755bfdb140/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:23:25,774 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e13de5a-988d-400e-a5ad-3f755bfdb140/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:23:25,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e13de5a-988d-400e-a5ad-3f755bfdb140/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:23:25,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:23:25,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:23:25,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:23:25,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:23:26,112 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:23:26,114 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:23:27,958 INFO L? ?]: Removed 169 outVars from TransFormulas that were not future-live. [2024-11-08 22:23:27,959 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:23:28,041 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:23:28,042 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:23:28,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:23:28 BoogieIcfgContainer [2024-11-08 22:23:28,042 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:23:28,044 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:23:28,044 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:23:28,054 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:23:28,054 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:23:28" (1/1) ... [2024-11-08 22:23:28,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:23:28,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:28,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 22:23:28,130 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 22:23:28,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 22:23:28,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:28,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:23:28,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e13de5a-988d-400e-a5ad-3f755bfdb140/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:23:28,137 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e13de5a-988d-400e-a5ad-3f755bfdb140/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:23:28,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e13de5a-988d-400e-a5ad-3f755bfdb140/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:23:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:28,722 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:23:28,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:28,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:23:28,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:23:29,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:23:29,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e13de5a-988d-400e-a5ad-3f755bfdb140/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:23:29,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:29,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-08 22:23:29,276 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-08 22:23:29,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:23:29,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:29,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:23:29,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e13de5a-988d-400e-a5ad-3f755bfdb140/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:23:29,280 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e13de5a-988d-400e-a5ad-3f755bfdb140/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:23:29,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e13de5a-988d-400e-a5ad-3f755bfdb140/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:23:30,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:30,132 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:23:30,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:30,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-08 22:23:30,515 INFO L278 TraceCheckSpWp]: Computing forward predicates...