./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.1.prop3-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_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/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_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.1.prop3-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/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_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/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 be1ec0d7e1264c5027d3c65ad5e69fc5a7fb4c48d598eb4879865582195c2d78 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:08:24,265 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:08:24,331 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 00:08:24,335 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:08:24,335 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:08:24,357 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:08:24,358 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:08:24,359 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:08:24,359 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:08:24,360 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:08:24,360 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:08:24,361 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:08:24,361 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:08:24,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:08:24,362 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:08:24,363 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:08:24,363 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:08:24,364 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:08:24,364 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:08:24,365 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:08:24,365 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:08:24,370 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:08:24,371 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:08:24,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:08:24,371 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:08:24,372 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:08:24,372 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:08:24,373 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:08:24,373 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:08:24,373 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:08:24,374 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_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be1ec0d7e1264c5027d3c65ad5e69fc5a7fb4c48d598eb4879865582195c2d78 [2023-12-03 00:08:24,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:08:24,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:08:24,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:08:24,644 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:08:24,644 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:08:24,646 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.1.prop3-back-serstep.c [2023-12-03 00:08:27,295 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:08:27,676 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:08:27,677 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.1.prop3-back-serstep.c [2023-12-03 00:08:27,701 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/data/55e7dca93/e6d62bc42bdd4616b6aabb236fab9324/FLAGccfb0771f [2023-12-03 00:08:27,715 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/data/55e7dca93/e6d62bc42bdd4616b6aabb236fab9324 [2023-12-03 00:08:27,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:08:27,719 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:08:27,720 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:08:27,720 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:08:27,725 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:08:27,726 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:08:27" (1/1) ... [2023-12-03 00:08:27,727 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d0c3140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:27, skipping insertion in model container [2023-12-03 00:08:27,727 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:08:27" (1/1) ... [2023-12-03 00:08:27,821 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:08:28,035 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_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.1.prop3-back-serstep.c[1172,1185] [2023-12-03 00:08:28,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:08:28,574 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:08:28,583 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_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.1.prop3-back-serstep.c[1172,1185] [2023-12-03 00:08:28,951 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:08:28,969 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:08:28,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:28 WrapperNode [2023-12-03 00:08:28,970 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:08:28,971 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:08:28,971 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:08:28,971 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:08:28,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:28" (1/1) ... [2023-12-03 00:08:29,080 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:28" (1/1) ... [2023-12-03 00:08:30,387 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 16997 [2023-12-03 00:08:30,388 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:08:30,388 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:08:30,389 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:08:30,389 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:08:30,397 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:28" (1/1) ... [2023-12-03 00:08:30,397 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:28" (1/1) ... [2023-12-03 00:08:30,772 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:28" (1/1) ... [2023-12-03 00:08:30,773 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:28" (1/1) ... [2023-12-03 00:08:31,246 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:28" (1/1) ... [2023-12-03 00:08:31,330 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:28" (1/1) ... [2023-12-03 00:08:31,462 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:28" (1/1) ... [2023-12-03 00:08:31,515 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:28" (1/1) ... [2023-12-03 00:08:31,764 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:08:31,765 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:08:31,765 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:08:31,765 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:08:31,766 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:28" (1/1) ... [2023-12-03 00:08:31,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:08:31,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:08:31,793 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:08:31,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:08:31,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:08:31,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:08:31,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:08:31,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:08:32,521 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:08:32,523 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:08:42,358 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:09:06,330 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:09:06,330 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:09:06,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:09:06 BoogieIcfgContainer [2023-12-03 00:09:06,331 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:09:06,332 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:09:06,332 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:09:06,339 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:09:06,339 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:09:06" (1/1) ... [2023-12-03 00:09:06,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:09:06,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:06,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 00:09:06,390 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 00:09:06,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:09:06,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:06,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:09:11,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:17,306 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 00:09:28,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.70s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 00:09:38,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 00:09:42,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:09:52,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:09:58,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.95s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:09:59,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:10:09,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:10:19,873 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 00:10:19,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:19,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-03 00:10:19,930 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-03 00:10:19,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:10:19,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:19,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:10:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 00:10:32,643 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 00:10:32,646 INFO L158 Benchmark]: Toolchain (without parser) took 124926.97ms. Allocated memory was 148.9MB in the beginning and 6.6GB in the end (delta: 6.5GB). Free memory was 110.0MB in the beginning and 5.5GB in the end (delta: -5.3GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2023-12-03 00:10:32,647 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 148.9MB. Free memory is still 116.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:10:32,647 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1249.74ms. Allocated memory was 148.9MB in the beginning and 211.8MB in the end (delta: 62.9MB). Free memory was 110.0MB in the beginning and 100.2MB in the end (delta: 9.8MB). Peak memory consumption was 110.1MB. Max. memory is 16.1GB. [2023-12-03 00:10:32,648 INFO L158 Benchmark]: Boogie Procedure Inliner took 1417.04ms. Allocated memory was 211.8MB in the beginning and 690.0MB in the end (delta: 478.2MB). Free memory was 100.2MB in the beginning and 375.7MB in the end (delta: -275.5MB). Peak memory consumption was 242.3MB. Max. memory is 16.1GB. [2023-12-03 00:10:32,649 INFO L158 Benchmark]: Boogie Preprocessor took 1375.77ms. Allocated memory is still 690.0MB. Free memory was 375.7MB in the beginning and 280.3MB in the end (delta: 95.4MB). Peak memory consumption was 134.2MB. Max. memory is 16.1GB. [2023-12-03 00:10:32,649 INFO L158 Benchmark]: RCFGBuilder took 34566.21ms. Allocated memory was 690.0MB in the beginning and 5.8GB in the end (delta: 5.1GB). Free memory was 280.3MB in the beginning and 4.4GB in the end (delta: -4.1GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. [2023-12-03 00:10:32,650 INFO L158 Benchmark]: CodeCheck took 86313.75ms. Allocated memory was 5.8GB in the beginning and 6.6GB in the end (delta: 870.3MB). Free memory was 4.4GB in the beginning and 5.5GB in the end (delta: -1.0GB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:10:32,653 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 0.22ms. Allocated memory is still 148.9MB. Free memory is still 116.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1249.74ms. Allocated memory was 148.9MB in the beginning and 211.8MB in the end (delta: 62.9MB). Free memory was 110.0MB in the beginning and 100.2MB in the end (delta: 9.8MB). Peak memory consumption was 110.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1417.04ms. Allocated memory was 211.8MB in the beginning and 690.0MB in the end (delta: 478.2MB). Free memory was 100.2MB in the beginning and 375.7MB in the end (delta: -275.5MB). Peak memory consumption was 242.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1375.77ms. Allocated memory is still 690.0MB. Free memory was 375.7MB in the beginning and 280.3MB in the end (delta: 95.4MB). Peak memory consumption was 134.2MB. Max. memory is 16.1GB. * RCFGBuilder took 34566.21ms. Allocated memory was 690.0MB in the beginning and 5.8GB in the end (delta: 5.1GB). Free memory was 280.3MB in the beginning and 4.4GB in the end (delta: -4.1GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. * CodeCheck took 86313.75ms. Allocated memory was 5.8GB in the beginning and 6.6GB in the end (delta: 870.3MB). Free memory was 4.4GB in the beginning and 5.5GB in the end (delta: -1.0GB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:10:32,866 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 00:10:32,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/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_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.1.prop3-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/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_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/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 be1ec0d7e1264c5027d3c65ad5e69fc5a7fb4c48d598eb4879865582195c2d78 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:10:34,844 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:10:34,926 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 00:10:34,958 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:10:34,959 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:10:34,960 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:10:34,961 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:10:34,961 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:10:34,962 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:10:34,962 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:10:34,963 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:10:34,963 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:10:34,964 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:10:34,964 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:10:34,965 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:10:34,965 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:10:34,966 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:10:34,967 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:10:34,967 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:10:34,967 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:10:34,968 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:10:34,968 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:10:34,969 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:34,969 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:10:34,970 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:10:34,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:10:34,970 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:10:34,971 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:10:34,971 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:10:34,972 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:10:34,972 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:34,972 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:10:34,973 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:10:34,973 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:10:34,973 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_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be1ec0d7e1264c5027d3c65ad5e69fc5a7fb4c48d598eb4879865582195c2d78 [2023-12-03 00:10:35,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:10:35,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:10:35,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:10:35,289 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:10:35,289 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:10:35,290 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.1.prop3-back-serstep.c [2023-12-03 00:10:38,066 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:10:38,419 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:10:38,420 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.1.prop3-back-serstep.c [2023-12-03 00:10:38,443 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/data/8b632fea5/b6048ba209524833a3e4c5f361eac7f7/FLAG1249cc9e8 [2023-12-03 00:10:38,458 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/data/8b632fea5/b6048ba209524833a3e4c5f361eac7f7 [2023-12-03 00:10:38,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:10:38,462 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:10:38,464 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:10:38,464 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:10:38,469 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:10:38,470 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:10:38" (1/1) ... [2023-12-03 00:10:38,471 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8454dd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:38, skipping insertion in model container [2023-12-03 00:10:38,471 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:10:38" (1/1) ... [2023-12-03 00:10:38,610 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:10:38,830 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_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.1.prop3-back-serstep.c[1172,1185] [2023-12-03 00:10:39,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:10:39,216 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:10:39,225 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_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.1.prop3-back-serstep.c[1172,1185] [2023-12-03 00:10:39,462 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:10:39,474 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:10:39,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:39 WrapperNode [2023-12-03 00:10:39,475 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:10:39,475 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:10:39,476 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:10:39,476 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:10:39,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:39" (1/1) ... [2023-12-03 00:10:39,545 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:39" (1/1) ... [2023-12-03 00:10:39,715 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4370 [2023-12-03 00:10:39,716 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:10:39,716 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:10:39,716 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:10:39,717 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:10:39,727 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:39" (1/1) ... [2023-12-03 00:10:39,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:39" (1/1) ... [2023-12-03 00:10:39,753 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:39" (1/1) ... [2023-12-03 00:10:39,754 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:39" (1/1) ... [2023-12-03 00:10:39,838 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:39" (1/1) ... [2023-12-03 00:10:39,849 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:39" (1/1) ... [2023-12-03 00:10:39,862 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:39" (1/1) ... [2023-12-03 00:10:39,874 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:39" (1/1) ... [2023-12-03 00:10:39,892 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:10:39,893 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:10:39,893 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:10:39,893 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:10:39,894 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:39" (1/1) ... [2023-12-03 00:10:39,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:10:39,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:10:39,919 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:10:39,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:10:39,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:10:39,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:10:39,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:10:39,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:10:40,587 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:10:40,590 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:10:47,565 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:10:47,793 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:10:47,793 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:10:47,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:10:47 BoogieIcfgContainer [2023-12-03 00:10:47,794 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:10:47,795 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:10:47,795 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:10:47,803 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:10:47,804 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:10:47" (1/1) ... [2023-12-03 00:10:47,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:10:47,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:47,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 00:10:47,864 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 00:10:47,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:10:47,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:47,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:47,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:47,869 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:47,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:10:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:49,114 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:49,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 00:10:49,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:49,635 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 00:10:49,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:10:50,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:10:51,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:51,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 00:10:51,292 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 00:10:51,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:10:51,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:51,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:51,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:51,293 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:51,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 00:10:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:53,822 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:54,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:55,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 3750 conjuncts, 125 conjunts are in the unsatisfiable core [2023-12-03 00:10:55,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:56,066 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 00:10:56,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 00:10:59,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:11:02,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:11:02,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:02,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2023-12-03 00:11:02,881 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2023-12-03 00:11:02,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:11:02,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:02,883 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:11:02,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:11:02,885 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:11:02,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 00:11:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:06,934 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:11:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:08,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 7032 conjuncts, 393 conjunts are in the unsatisfiable core [2023-12-03 00:11:08,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:30,842 WARN L293 SmtUtils]: Spent 5.33s on a formula simplification. DAG size of input: 619 DAG size of output: 616 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:11:32,447 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:11:32,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 00:11:35,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:11:42,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:11:45,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:11:47,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:11:52,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:12:44,085 WARN L293 SmtUtils]: Spent 7.31s on a formula simplification. DAG size of input: 628 DAG size of output: 624 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:13:34,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.88s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:13:36,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:13:40,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:40,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 19 states and 42 transitions. [2023-12-03 00:13:40,225 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 42 transitions. [2023-12-03 00:13:40,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:13:40,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:40,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:13:40,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:13:40,227 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:13:40,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 00:13:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:44,229 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:13:45,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:45,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 7032 conjuncts, 393 conjunts are in the unsatisfiable core [2023-12-03 00:13:45,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:50,195 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:13:50,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 00:13:58,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:14:01,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:14:01,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 20 states and 44 transitions. [2023-12-03 00:14:01,076 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 44 transitions. [2023-12-03 00:14:01,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 00:14:01,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:14:01,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:14:01,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:14:01,078 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:14:01,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 00:14:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:06,489 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:14:08,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:09,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 10314 conjuncts, 551 conjunts are in the unsatisfiable core [2023-12-03 00:14:09,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:19:53,157 WARN L293 SmtUtils]: Spent 19.91s on a formula simplification. DAG size of input: 989 DAG size of output: 983 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:19:55,419 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:19:55,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 00:20:04,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:20:07,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:20:23,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:21:08,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2023-12-03 00:21:08,184 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/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 00:21:08,185 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:950) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:789) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:377) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:313) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeChecker.negatePredicate(CodeChecker.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.isSatEdge(UltimateChecker.java:237) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.connectOutgoingIfSat(UltimateChecker.java:199) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.splitNode(UltimateChecker.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.codeCheck(UltimateChecker.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:472) 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) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 29 more [2023-12-03 00:21:08,189 INFO L158 Benchmark]: Toolchain (without parser) took 629726.86ms. Allocated memory was 100.7MB in the beginning and 2.5GB in the end (delta: 2.4GB). Free memory was 71.1MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2023-12-03 00:21:08,190 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 60.8MB. Free memory was 37.3MB in the beginning and 37.2MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:21:08,190 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1011.02ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 70.8MB in the beginning and 75.9MB in the end (delta: -5.1MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. [2023-12-03 00:21:08,191 INFO L158 Benchmark]: Boogie Procedure Inliner took 240.19ms. Allocated memory is still 125.8MB. Free memory was 75.9MB in the beginning and 62.9MB in the end (delta: 12.9MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2023-12-03 00:21:08,191 INFO L158 Benchmark]: Boogie Preprocessor took 175.80ms. Allocated memory is still 125.8MB. Free memory was 62.9MB in the beginning and 43.6MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 00:21:08,192 INFO L158 Benchmark]: RCFGBuilder took 7901.40ms. Allocated memory was 125.8MB in the beginning and 348.1MB in the end (delta: 222.3MB). Free memory was 43.6MB in the beginning and 260.9MB in the end (delta: -217.3MB). Peak memory consumption was 208.3MB. Max. memory is 16.1GB. [2023-12-03 00:21:08,192 INFO L158 Benchmark]: CodeCheck took 620393.87ms. Allocated memory was 348.1MB in the beginning and 2.5GB in the end (delta: 2.1GB). Free memory was 260.9MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2023-12-03 00:21:08,194 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 60.8MB. Free memory was 37.3MB in the beginning and 37.2MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1011.02ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 70.8MB in the beginning and 75.9MB in the end (delta: -5.1MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 240.19ms. Allocated memory is still 125.8MB. Free memory was 75.9MB in the beginning and 62.9MB in the end (delta: 12.9MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 175.80ms. Allocated memory is still 125.8MB. Free memory was 62.9MB in the beginning and 43.6MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * RCFGBuilder took 7901.40ms. Allocated memory was 125.8MB in the beginning and 348.1MB in the end (delta: 222.3MB). Free memory was 43.6MB in the beginning and 260.9MB in the end (delta: -217.3MB). Peak memory consumption was 208.3MB. Max. memory is 16.1GB. * CodeCheck took 620393.87ms. Allocated memory was 348.1MB in the beginning and 2.5GB in the end (delta: 2.1GB). Free memory was 260.9MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 1.6GB. 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: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae10efce-cf9f-46c1-b5fe-0ae47a2e6927/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")