./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9 --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 2f62226d73e0e183857d998fb902bf54be9131b3acae6a442e91dae883f96d96 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:18:45,611 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:18:45,681 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 01:18:45,685 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:18:45,686 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:18:45,708 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:18:45,709 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:18:45,710 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:18:45,711 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:18:45,711 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:18:45,712 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:18:45,712 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:18:45,713 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:18:45,713 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:18:45,714 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:18:45,714 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:18:45,715 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:18:45,715 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:18:45,716 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:18:45,716 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:18:45,717 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:18:45,717 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:18:45,718 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:18:45,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:18:45,719 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:18:45,719 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:18:45,719 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:18:45,720 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:18:45,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:18:45,721 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:18:45,721 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_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f62226d73e0e183857d998fb902bf54be9131b3acae6a442e91dae883f96d96 [2023-12-03 01:18:45,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:18:45,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:18:45,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:18:45,987 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:18:45,988 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:18:45,989 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c [2023-12-03 01:18:48,880 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:18:49,111 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:18:49,112 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c [2023-12-03 01:18:49,125 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/data/d74a445f3/dd2a2ddb6db94b6c9d70bcb8e5b2538c/FLAG835cc26b5 [2023-12-03 01:18:49,142 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/data/d74a445f3/dd2a2ddb6db94b6c9d70bcb8e5b2538c [2023-12-03 01:18:49,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:18:49,146 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:18:49,148 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:18:49,148 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:18:49,153 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:18:49,154 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:18:49" (1/1) ... [2023-12-03 01:18:49,156 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c11c3e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:18:49, skipping insertion in model container [2023-12-03 01:18:49,156 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:18:49" (1/1) ... [2023-12-03 01:18:49,206 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:18:49,361 WARN L240 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_9e451770-904b-49c0-a42e-73bfcd4ccd9e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c[1174,1187] [2023-12-03 01:18:49,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:18:49,546 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:18:49,560 WARN L240 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_9e451770-904b-49c0-a42e-73bfcd4ccd9e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c[1174,1187] [2023-12-03 01:18:49,645 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:18:49,659 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:18:49,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:18:49 WrapperNode [2023-12-03 01:18:49,660 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:18:49,662 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:18:49,662 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:18:49,662 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:18:49,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:18:49" (1/1) ... [2023-12-03 01:18:49,702 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:18:49" (1/1) ... [2023-12-03 01:18:49,872 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2193 [2023-12-03 01:18:49,872 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:18:49,873 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:18:49,873 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:18:49,873 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:18:49,881 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:18:49" (1/1) ... [2023-12-03 01:18:49,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:18:49" (1/1) ... [2023-12-03 01:18:49,910 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:18:49" (1/1) ... [2023-12-03 01:18:49,911 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:18:49" (1/1) ... [2023-12-03 01:18:50,015 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:18:49" (1/1) ... [2023-12-03 01:18:50,045 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:18:49" (1/1) ... [2023-12-03 01:18:50,057 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:18:49" (1/1) ... [2023-12-03 01:18:50,068 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:18:49" (1/1) ... [2023-12-03 01:18:50,111 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:18:50,112 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:18:50,112 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:18:50,113 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:18:50,114 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:18:49" (1/1) ... [2023-12-03 01:18:50,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:18:50,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:18:50,151 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:18:50,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:18:50,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:18:50,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:18:50,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:18:50,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:18:50,393 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:18:50,395 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:18:52,372 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:18:55,023 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:18:55,023 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:18:55,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:18:55 BoogieIcfgContainer [2023-12-03 01:18:55,025 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:18:55,026 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:18:55,026 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:18:55,037 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:18:55,037 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:18:55" (1/1) ... [2023-12-03 01:18:55,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:18:55,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:55,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 01:18:55,097 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 01:18:55,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:18:55,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:55,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:57,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:19:07,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:19:17,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:19:18,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:19:18,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-03 01:19:18,658 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-03 01:19:18,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:19:18,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:19:18,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:19:40,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:19:40,359 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:19:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:20:00,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 01:20:00,238 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:488) 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) [2023-12-03 01:20:00,241 INFO L158 Benchmark]: Toolchain (without parser) took 71094.91ms. Allocated memory was 130.0MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 91.0MB in the beginning and 835.3MB in the end (delta: -744.3MB). Peak memory consumption was 523.9MB. Max. memory is 16.1GB. [2023-12-03 01:20:00,242 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 130.0MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:20:00,242 INFO L158 Benchmark]: CACSL2BoogieTranslator took 513.19ms. Allocated memory is still 130.0MB. Free memory was 90.6MB in the beginning and 60.5MB in the end (delta: 30.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-12-03 01:20:00,243 INFO L158 Benchmark]: Boogie Procedure Inliner took 210.97ms. Allocated memory is still 130.0MB. Free memory was 60.5MB in the beginning and 60.0MB in the end (delta: 518.0kB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2023-12-03 01:20:00,243 INFO L158 Benchmark]: Boogie Preprocessor took 238.15ms. Allocated memory is still 130.0MB. Free memory was 60.0MB in the beginning and 68.1MB in the end (delta: -8.2MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2023-12-03 01:20:00,244 INFO L158 Benchmark]: RCFGBuilder took 4913.27ms. Allocated memory was 130.0MB in the beginning and 547.4MB in the end (delta: 417.3MB). Free memory was 68.1MB in the beginning and 328.7MB in the end (delta: -260.5MB). Peak memory consumption was 187.1MB. Max. memory is 16.1GB. [2023-12-03 01:20:00,245 INFO L158 Benchmark]: CodeCheck took 65214.15ms. Allocated memory was 547.4MB in the beginning and 1.4GB in the end (delta: 847.2MB). Free memory was 328.7MB in the beginning and 835.3MB in the end (delta: -506.6MB). Peak memory consumption was 344.8MB. Max. memory is 16.1GB. [2023-12-03 01:20:00,247 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:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 130.0MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 513.19ms. Allocated memory is still 130.0MB. Free memory was 90.6MB in the beginning and 60.5MB in the end (delta: 30.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 210.97ms. Allocated memory is still 130.0MB. Free memory was 60.5MB in the beginning and 60.0MB in the end (delta: 518.0kB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 238.15ms. Allocated memory is still 130.0MB. Free memory was 60.0MB in the beginning and 68.1MB in the end (delta: -8.2MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. * RCFGBuilder took 4913.27ms. Allocated memory was 130.0MB in the beginning and 547.4MB in the end (delta: 417.3MB). Free memory was 68.1MB in the beginning and 328.7MB in the end (delta: -260.5MB). Peak memory consumption was 187.1MB. Max. memory is 16.1GB. * CodeCheck took 65214.15ms. Allocated memory was 547.4MB in the beginning and 1.4GB in the end (delta: 847.2MB). Free memory was 328.7MB in the beginning and 835.3MB in the end (delta: -506.6MB). Peak memory consumption was 344.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 01:20:00,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9 --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 2f62226d73e0e183857d998fb902bf54be9131b3acae6a442e91dae883f96d96 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:20:02,199 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:20:02,287 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 01:20:02,317 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:20:02,318 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:20:02,319 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:20:02,319 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:20:02,320 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:20:02,321 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:20:02,321 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:20:02,322 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:20:02,322 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:20:02,323 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:20:02,324 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:20:02,324 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:20:02,325 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:20:02,325 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:20:02,326 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:20:02,327 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:20:02,327 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:20:02,328 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:20:02,329 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:20:02,329 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:02,330 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:20:02,330 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:20:02,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:20:02,331 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:20:02,332 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:20:02,332 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:20:02,332 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:20:02,333 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:02,333 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:20:02,333 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:20:02,334 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:20:02,334 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f62226d73e0e183857d998fb902bf54be9131b3acae6a442e91dae883f96d96 [2023-12-03 01:20:02,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:20:02,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:20:02,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:20:02,671 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:20:02,671 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:20:02,673 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c [2023-12-03 01:20:05,459 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:20:05,704 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:20:05,705 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c [2023-12-03 01:20:05,717 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/data/440894318/067d7b1aa26446088edeb6631981b130/FLAGf7144eebe [2023-12-03 01:20:05,731 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/data/440894318/067d7b1aa26446088edeb6631981b130 [2023-12-03 01:20:05,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:20:05,736 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:20:05,737 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:20:05,737 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:20:05,741 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:20:05,742 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:20:05" (1/1) ... [2023-12-03 01:20:05,743 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ea1c00e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:05, skipping insertion in model container [2023-12-03 01:20:05,743 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:20:05" (1/1) ... [2023-12-03 01:20:05,789 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:20:05,931 WARN L240 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_9e451770-904b-49c0-a42e-73bfcd4ccd9e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c[1174,1187] [2023-12-03 01:20:06,072 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:20:06,086 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:20:06,100 WARN L240 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_9e451770-904b-49c0-a42e-73bfcd4ccd9e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c[1174,1187] [2023-12-03 01:20:06,181 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:20:06,197 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:20:06,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:06 WrapperNode [2023-12-03 01:20:06,198 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:20:06,199 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:20:06,199 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:20:06,199 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:20:06,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:06" (1/1) ... [2023-12-03 01:20:06,227 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:06" (1/1) ... [2023-12-03 01:20:06,292 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 575 [2023-12-03 01:20:06,292 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:20:06,293 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:20:06,293 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:20:06,293 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:20:06,302 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:06" (1/1) ... [2023-12-03 01:20:06,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:06" (1/1) ... [2023-12-03 01:20:06,311 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:06" (1/1) ... [2023-12-03 01:20:06,311 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:06" (1/1) ... [2023-12-03 01:20:06,333 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:06" (1/1) ... [2023-12-03 01:20:06,337 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:06" (1/1) ... [2023-12-03 01:20:06,341 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:06" (1/1) ... [2023-12-03 01:20:06,346 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:06" (1/1) ... [2023-12-03 01:20:06,354 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:20:06,355 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:20:06,355 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:20:06,355 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:20:06,356 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:06" (1/1) ... [2023-12-03 01:20:06,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:20:06,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:20:06,394 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:20:06,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:20:06,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:20:06,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:20:06,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:20:06,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:20:06,595 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:20:06,596 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:20:07,061 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:20:07,104 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:20:07,104 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:20:07,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:20:07 BoogieIcfgContainer [2023-12-03 01:20:07,105 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:20:07,106 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:20:07,107 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:20:07,114 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:20:07,115 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:20:07" (1/1) ... [2023-12-03 01:20:07,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:20:07,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:07,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 01:20:07,169 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 01:20:07,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:20:07,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:07,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:07,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:20:07,173 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:20:07,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:20:07,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:07,464 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:20:07,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:07,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 01:20:07,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:07,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:20:07,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:20:07,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:07,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 01:20:07,828 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 01:20:07,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:20:07,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:07,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:07,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:20:07,830 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:20:07,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 01:20:08,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:08,256 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:20:08,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:08,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-03 01:20:08,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:09,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:20:09,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 01:20:10,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:10,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2023-12-03 01:20:10,777 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2023-12-03 01:20:10,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 01:20:10,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:10,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:10,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:20:10,781 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:20:10,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 01:20:11,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:11,397 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:20:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:11,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 871 conjuncts, 245 conjunts are in the unsatisfiable core [2023-12-03 01:20:11,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:22:50,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2023-12-03 01:22:50,754 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2023-12-03 01:22:50,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e451770-904b-49c0-a42e-73bfcd4ccd9e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 01:22:50,763 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:470) 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) [2023-12-03 01:22:50,767 INFO L158 Benchmark]: Toolchain (without parser) took 165030.42ms. Allocated memory was 104.9MB in the beginning and 1.0GB in the end (delta: 899.7MB). Free memory was 81.0MB in the beginning and 754.4MB in the end (delta: -673.4MB). Peak memory consumption was 618.9MB. Max. memory is 16.1GB. [2023-12-03 01:22:50,768 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 71.3MB. Free memory was 47.8MB in the beginning and 47.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:22:50,768 INFO L158 Benchmark]: CACSL2BoogieTranslator took 461.23ms. Allocated memory is still 104.9MB. Free memory was 80.7MB in the beginning and 56.2MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-12-03 01:22:50,769 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.83ms. Allocated memory is still 104.9MB. Free memory was 56.2MB in the beginning and 79.6MB in the end (delta: -23.4MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2023-12-03 01:22:50,769 INFO L158 Benchmark]: Boogie Preprocessor took 61.08ms. Allocated memory is still 104.9MB. Free memory was 79.6MB in the beginning and 76.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 01:22:50,770 INFO L158 Benchmark]: RCFGBuilder took 750.62ms. Allocated memory is still 104.9MB. Free memory was 76.5MB in the beginning and 50.2MB in the end (delta: 26.2MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2023-12-03 01:22:50,771 INFO L158 Benchmark]: CodeCheck took 163659.19ms. Allocated memory was 104.9MB in the beginning and 1.0GB in the end (delta: 899.7MB). Free memory was 49.6MB in the beginning and 754.4MB in the end (delta: -704.8MB). Peak memory consumption was 585.5MB. Max. memory is 16.1GB. [2023-12-03 01:22:50,774 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: AssertionError: No Interpolants de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: AssertionError: No Interpolants: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:150) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 71.3MB. Free memory was 47.8MB in the beginning and 47.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 461.23ms. Allocated memory is still 104.9MB. Free memory was 80.7MB in the beginning and 56.2MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.83ms. Allocated memory is still 104.9MB. Free memory was 56.2MB in the beginning and 79.6MB in the end (delta: -23.4MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.08ms. Allocated memory is still 104.9MB. Free memory was 79.6MB in the beginning and 76.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 750.62ms. Allocated memory is still 104.9MB. Free memory was 76.5MB in the beginning and 50.2MB in the end (delta: 26.2MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. * CodeCheck took 163659.19ms. Allocated memory was 104.9MB in the beginning and 1.0GB in the end (delta: 899.7MB). Free memory was 49.6MB in the beginning and 754.4MB in the end (delta: -704.8MB). Peak memory consumption was 585.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: No Interpolants