./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cav14_example.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cav14_example.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash da271682498909c2f25abbd0acdfd9a043f664f7a7cb078f9b27fc5caa97b14c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:15:59,250 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:15:59,368 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 22:15:59,373 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:15:59,373 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:15:59,413 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:15:59,414 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:15:59,414 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:15:59,415 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:15:59,420 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:15:59,421 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:15:59,422 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:15:59,423 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:15:59,424 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:15:59,425 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:15:59,425 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:15:59,426 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:15:59,426 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:15:59,427 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:15:59,427 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:15:59,428 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:15:59,428 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:15:59,442 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:15:59,443 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:15:59,444 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:15:59,444 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:15:59,444 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:15:59,445 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:15:59,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:15:59,446 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:15:59,447 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:15:59,447 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:15:59,448 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:15:59,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:15:59,448 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:15:59,448 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:15:59,448 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:15:59,449 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:15:59,449 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:15:59,449 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da271682498909c2f25abbd0acdfd9a043f664f7a7cb078f9b27fc5caa97b14c [2023-11-21 22:15:59,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:15:59,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:15:59,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:15:59,797 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:15:59,797 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:15:59,799 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cav14_example.c [2023-11-21 22:16:02,958 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:16:03,177 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:16:03,178 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cav14_example.c [2023-11-21 22:16:03,188 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx/data/1f22b1aed/c99c4766114b4a35bb57483f6e72adad/FLAG7a572b36c [2023-11-21 22:16:03,203 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx/data/1f22b1aed/c99c4766114b4a35bb57483f6e72adad [2023-11-21 22:16:03,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:16:03,208 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:16:03,209 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:16:03,210 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:16:03,219 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:16:03,219 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:16:03" (1/1) ... [2023-11-21 22:16:03,223 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f9e5f17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:03, skipping insertion in model container [2023-11-21 22:16:03,224 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:16:03" (1/1) ... [2023-11-21 22:16:03,256 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:16:03,438 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_c3ec7c5d-745a-43f3-a071-90d12cd40c93/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cav14_example.c[1253,1266] [2023-11-21 22:16:03,488 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:16:03,499 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:16:03,511 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_c3ec7c5d-745a-43f3-a071-90d12cd40c93/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cav14_example.c[1253,1266] [2023-11-21 22:16:03,544 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:16:03,559 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:16:03,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:03 WrapperNode [2023-11-21 22:16:03,559 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:16:03,561 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:16:03,561 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:16:03,561 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:16:03,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:03" (1/1) ... [2023-11-21 22:16:03,580 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:03" (1/1) ... [2023-11-21 22:16:03,637 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 210 [2023-11-21 22:16:03,638 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:16:03,639 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:16:03,639 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:16:03,639 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:16:03,654 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:03" (1/1) ... [2023-11-21 22:16:03,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:03" (1/1) ... [2023-11-21 22:16:03,660 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:03" (1/1) ... [2023-11-21 22:16:03,695 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:16:03,695 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:03" (1/1) ... [2023-11-21 22:16:03,695 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:03" (1/1) ... [2023-11-21 22:16:03,727 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:03" (1/1) ... [2023-11-21 22:16:03,731 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:03" (1/1) ... [2023-11-21 22:16:03,753 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:03" (1/1) ... [2023-11-21 22:16:03,757 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:03" (1/1) ... [2023-11-21 22:16:03,773 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:16:03,774 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:16:03,775 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:16:03,775 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:16:03,776 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:03" (1/1) ... [2023-11-21 22:16:03,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:16:03,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:16:03,817 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:16:03,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:16:03,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:16:03,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:16:03,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:16:03,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:16:03,994 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:16:03,997 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:16:04,485 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:16:04,869 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:16:04,869 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:16:04,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:16:04 BoogieIcfgContainer [2023-11-21 22:16:04,871 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:16:04,874 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:16:04,876 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:16:04,880 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:16:04,881 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:16:03" (1/3) ... [2023-11-21 22:16:04,882 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d95e686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:16:04, skipping insertion in model container [2023-11-21 22:16:04,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:03" (2/3) ... [2023-11-21 22:16:04,883 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d95e686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:16:04, skipping insertion in model container [2023-11-21 22:16:04,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:16:04" (3/3) ... [2023-11-21 22:16:04,884 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cav14_example.c [2023-11-21 22:16:04,903 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:16:04,903 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:16:04,952 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:16:04,962 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@57fdc86f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:16:04,962 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:16:04,966 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:04,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 22:16:04,970 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:16:04,971 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-21 22:16:04,971 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:16:04,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:16:04,978 INFO L85 PathProgramCache]: Analyzing trace with hash 7002839, now seen corresponding path program 1 times [2023-11-21 22:16:04,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:16:04,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874781504] [2023-11-21 22:16:04,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:16:04,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:16:05,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:16:06,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:16:06,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:16:06,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874781504] [2023-11-21 22:16:06,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874781504] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:16:06,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:16:06,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:16:06,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123557735] [2023-11-21 22:16:06,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:16:06,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:16:06,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:16:06,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:16:06,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:16:06,351 INFO L87 Difference]: Start difference. First operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:06,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:16:06,449 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2023-11-21 22:16:06,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 22:16:06,452 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-11-21 22:16:06,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:16:06,460 INFO L225 Difference]: With dead ends: 15 [2023-11-21 22:16:06,460 INFO L226 Difference]: Without dead ends: 9 [2023-11-21 22:16:06,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:16:06,467 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 22:16:06,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 22:16:06,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-11-21 22:16:06,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-11-21 22:16:06,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:06,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-11-21 22:16:06,503 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2023-11-21 22:16:06,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:16:06,503 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-11-21 22:16:06,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:06,504 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-11-21 22:16:06,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 22:16:06,504 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:16:06,504 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-11-21 22:16:06,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:16:06,505 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:16:06,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:16:06,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1822851810, now seen corresponding path program 1 times [2023-11-21 22:16:06,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:16:06,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997837401] [2023-11-21 22:16:06,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:16:06,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:16:06,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:16:06,925 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:16:07,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:16:07,512 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:16:07,512 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 22:16:07,515 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:16:07,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 22:16:07,521 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-21 22:16:07,526 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:16:07,581 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-21 22:16:07,581 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-21 22:16:07,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:16:07 BoogieIcfgContainer [2023-11-21 22:16:07,606 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:16:07,606 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:16:07,606 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:16:07,607 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:16:07,608 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:16:04" (3/4) ... [2023-11-21 22:16:07,612 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:16:07,613 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:16:07,614 INFO L158 Benchmark]: Toolchain (without parser) took 4406.17ms. Allocated memory was 134.2MB in the beginning and 201.3MB in the end (delta: 67.1MB). Free memory was 88.9MB in the beginning and 155.8MB in the end (delta: -66.8MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2023-11-21 22:16:07,615 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:16:07,619 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.43ms. Allocated memory is still 134.2MB. Free memory was 88.9MB in the beginning and 75.8MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:16:07,620 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.30ms. Allocated memory is still 134.2MB. Free memory was 75.8MB in the beginning and 71.1MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 22:16:07,624 INFO L158 Benchmark]: Boogie Preprocessor took 135.11ms. Allocated memory is still 134.2MB. Free memory was 71.1MB in the beginning and 67.4MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:16:07,624 INFO L158 Benchmark]: RCFGBuilder took 1096.95ms. Allocated memory is still 134.2MB. Free memory was 67.4MB in the beginning and 62.4MB in the end (delta: 5.1MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2023-11-21 22:16:07,625 INFO L158 Benchmark]: TraceAbstraction took 2731.29ms. Allocated memory was 134.2MB in the beginning and 201.3MB in the end (delta: 67.1MB). Free memory was 61.6MB in the beginning and 155.8MB in the end (delta: -94.2MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. [2023-11-21 22:16:07,625 INFO L158 Benchmark]: Witness Printer took 6.91ms. Allocated memory is still 201.3MB. Free memory is still 155.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:16:07,633 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 350.43ms. Allocated memory is still 134.2MB. Free memory was 88.9MB in the beginning and 75.8MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.30ms. Allocated memory is still 134.2MB. Free memory was 75.8MB in the beginning and 71.1MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 135.11ms. Allocated memory is still 134.2MB. Free memory was 71.1MB in the beginning and 67.4MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1096.95ms. Allocated memory is still 134.2MB. Free memory was 67.4MB in the beginning and 62.4MB in the end (delta: 5.1MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2731.29ms. Allocated memory was 134.2MB in the beginning and 201.3MB in the end (delta: 67.1MB). Free memory was 61.6MB in the beginning and 155.8MB in the end (delta: -94.2MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. * Witness Printer took 6.91ms. Allocated memory is still 201.3MB. Free memory is still 155.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 79, overapproximation of bitwiseAnd at line 60. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 3); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (3 - 1); [L32] const SORT_3 var_4 = 0; [L33] const SORT_1 var_13 = 1; [L34] const SORT_3 var_19 = 7; [L35] const SORT_3 var_23 = 1; [L37] SORT_1 input_2; [L39] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L39] SORT_3 state_5 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L40] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L40] SORT_3 state_7 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L42] SORT_3 init_6_arg_1 = var_4; [L43] state_5 = init_6_arg_1 [L44] SORT_3 init_8_arg_1 = var_4; [L45] state_7 = init_8_arg_1 VAL [init_6_arg_1=0, init_8_arg_1=0, mask_SORT_1=1, mask_SORT_3=7, msb_SORT_1=1, msb_SORT_3=4, state_5=0, state_7=0, var_13=1, var_19=7, var_23=1, var_4=0] [L48] input_2 = __VERIFIER_nondet_uchar() [L51] SORT_3 var_9_arg_0 = state_5; [L52] SORT_3 var_9_arg_1 = state_7; [L53] SORT_1 var_9 = var_9_arg_0 > var_9_arg_1; [L54] SORT_1 var_10_arg_0 = var_9; [L55] SORT_1 var_10 = ~var_10_arg_0; [L56] SORT_1 var_14_arg_0 = var_10; [L57] SORT_1 var_14 = ~var_14_arg_0; [L58] SORT_1 var_15_arg_0 = var_13; [L59] SORT_1 var_15_arg_1 = var_14; [L60] EXPR var_15_arg_0 & var_15_arg_1 [L60] SORT_1 var_15 = var_15_arg_0 & var_15_arg_1; [L61] EXPR var_15 & mask_SORT_1 [L61] var_15 = var_15 & mask_SORT_1 [L62] SORT_1 bad_16_arg_0 = var_15; [L63] CALL __VERIFIER_assert(!(bad_16_arg_0)) [L21] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L63] RET __VERIFIER_assert(!(bad_16_arg_0)) [L65] SORT_3 var_25_arg_0 = state_5; [L66] SORT_3 var_25_arg_1 = state_7; [L67] SORT_1 var_25 = var_25_arg_0 == var_25_arg_1; [L68] SORT_3 var_24_arg_0 = state_5; [L69] SORT_3 var_24_arg_1 = var_23; [L70] SORT_3 var_24 = var_24_arg_0 + var_24_arg_1; [L71] SORT_3 var_18_arg_0 = state_5; [L72] SORT_3 var_18_arg_1 = state_7; [L73] SORT_1 var_18 = var_18_arg_0 > var_18_arg_1; [L74] SORT_3 var_20_arg_0 = state_7; [L75] SORT_3 var_20_arg_1 = var_19; [L76] SORT_1 var_20 = var_20_arg_0 != var_20_arg_1; [L77] SORT_1 var_21_arg_0 = var_18; [L78] SORT_1 var_21_arg_1 = var_20; [L79] EXPR var_21_arg_0 | var_21_arg_1 [L79] SORT_1 var_21 = var_21_arg_0 | var_21_arg_1; [L80] EXPR var_21 & mask_SORT_1 [L80] var_21 = var_21 & mask_SORT_1 [L81] SORT_1 var_22_arg_0 = var_21; [L82] SORT_3 var_22_arg_1 = state_5; [L83] SORT_3 var_22_arg_2 = state_7; [L84] SORT_3 var_22 = var_22_arg_0 ? var_22_arg_1 : var_22_arg_2; [L85] SORT_1 var_26_arg_0 = var_25; [L86] SORT_3 var_26_arg_1 = var_24; [L87] SORT_3 var_26_arg_2 = var_22; [L88] SORT_3 var_26 = var_26_arg_0 ? var_26_arg_1 : var_26_arg_2; [L89] EXPR var_26 & mask_SORT_3 [L89] var_26 = var_26 & mask_SORT_3 [L90] SORT_3 next_27_arg_1 = var_26; [L91] SORT_3 var_33_arg_0 = state_5; [L92] SORT_3 var_33_arg_1 = state_7; [L93] SORT_1 var_33 = var_33_arg_0 > var_33_arg_1; [L94] SORT_3 var_29_arg_0 = state_5; [L95] SORT_3 var_29_arg_1 = state_7; [L96] SORT_1 var_29 = var_29_arg_0 == var_29_arg_1; [L97] SORT_3 var_30_arg_0 = state_7; [L98] SORT_3 var_30_arg_1 = var_19; [L99] SORT_1 var_30 = var_30_arg_0 != var_30_arg_1; [L100] SORT_1 var_31_arg_0 = var_29; [L101] SORT_1 var_31_arg_1 = var_30; [L102] EXPR var_31_arg_0 | var_31_arg_1 [L102] SORT_1 var_31 = var_31_arg_0 | var_31_arg_1; [L103] EXPR var_31 & mask_SORT_1 [L103] var_31 = var_31 & mask_SORT_1 [L104] SORT_3 var_28_arg_0 = state_7; [L105] SORT_3 var_28_arg_1 = var_23; [L106] SORT_3 var_28 = var_28_arg_0 + var_28_arg_1; [L107] SORT_1 var_32_arg_0 = var_31; [L108] SORT_3 var_32_arg_1 = var_28; [L109] SORT_3 var_32_arg_2 = state_5; [L110] SORT_3 var_32 = var_32_arg_0 ? var_32_arg_1 : var_32_arg_2; [L111] SORT_1 var_34_arg_0 = var_33; [L112] SORT_3 var_34_arg_1 = state_7; [L113] SORT_3 var_34_arg_2 = var_32; [L114] SORT_3 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; [L115] EXPR var_34 & mask_SORT_3 [L115] var_34 = var_34 & mask_SORT_3 [L116] SORT_3 next_35_arg_1 = var_34; [L118] state_5 = next_27_arg_1 [L119] state_7 = next_35_arg_1 VAL [bad_16_arg_0=0, init_6_arg_1=0, init_8_arg_1=0, mask_SORT_1=1, mask_SORT_3=7, msb_SORT_1=1, msb_SORT_3=4, next_27_arg_1=1, next_35_arg_1=0, state_5=1, state_7=0, var_10=255, var_10_arg_0=0, var_13=1, var_14=0, var_14_arg_0=255, var_15=0, var_15_arg_0=1, var_15_arg_1=0, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_19=7, var_20=1, var_20_arg_0=0, var_20_arg_1=7, var_21=1, var_21_arg_0=0, var_21_arg_1=1, var_22=0, var_22_arg_0=1, var_22_arg_1=0, var_22_arg_2=0, var_23=1, var_24=1, var_24_arg_0=0, var_24_arg_1=1, var_25=1, var_25_arg_0=0, var_25_arg_1=0, var_26=1, var_26_arg_0=1, var_26_arg_1=1, var_26_arg_2=0, var_28=1, var_28_arg_0=0, var_28_arg_1=1, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=0, var_30_arg_1=7, var_31=1, var_31_arg_0=1, var_31_arg_1=1, var_32=1, var_32_arg_0=1, var_32_arg_1=1, var_32_arg_2=0, var_33=0, var_33_arg_0=0, var_33_arg_1=0, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_34_arg_2=1, var_4=0, var_9=0, var_9_arg_0=0, var_9_arg_1=0] [L48] input_2 = __VERIFIER_nondet_uchar() [L51] SORT_3 var_9_arg_0 = state_5; [L52] SORT_3 var_9_arg_1 = state_7; [L53] SORT_1 var_9 = var_9_arg_0 > var_9_arg_1; [L54] SORT_1 var_10_arg_0 = var_9; [L55] SORT_1 var_10 = ~var_10_arg_0; [L56] SORT_1 var_14_arg_0 = var_10; [L57] SORT_1 var_14 = ~var_14_arg_0; [L58] SORT_1 var_15_arg_0 = var_13; [L59] SORT_1 var_15_arg_1 = var_14; [L60] EXPR var_15_arg_0 & var_15_arg_1 [L60] SORT_1 var_15 = var_15_arg_0 & var_15_arg_1; [L61] EXPR var_15 & mask_SORT_1 [L61] var_15 = var_15 & mask_SORT_1 [L62] SORT_1 bad_16_arg_0 = var_15; [L63] CALL __VERIFIER_assert(!(bad_16_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=1, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 22:16:07,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cav14_example.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash da271682498909c2f25abbd0acdfd9a043f664f7a7cb078f9b27fc5caa97b14c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:16:10,724 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:16:10,797 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-21 22:16:10,811 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:16:10,811 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:16:10,841 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:16:10,842 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:16:10,843 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:16:10,844 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:16:10,844 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:16:10,845 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:16:10,846 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:16:10,847 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:16:10,847 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:16:10,848 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:16:10,848 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:16:10,849 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:16:10,850 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:16:10,850 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:16:10,851 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:16:10,851 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:16:10,852 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:16:10,852 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:16:10,853 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:16:10,853 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:16:10,854 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:16:10,854 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:16:10,855 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:16:10,855 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:16:10,856 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:16:10,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:16:10,857 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:16:10,857 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:16:10,858 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:16:10,858 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:16:10,858 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:16:10,860 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:16:10,860 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:16:10,860 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:16:10,860 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:16:10,861 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:16:10,861 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:16:10,862 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da271682498909c2f25abbd0acdfd9a043f664f7a7cb078f9b27fc5caa97b14c [2023-11-21 22:16:11,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:16:11,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:16:11,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:16:11,387 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:16:11,388 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:16:11,390 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cav14_example.c [2023-11-21 22:16:15,338 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:16:15,697 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:16:15,698 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cav14_example.c [2023-11-21 22:16:15,711 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx/data/40917ebfa/e93c019df0864579ab50459885f76c3e/FLAG25c2ddb45 [2023-11-21 22:16:15,730 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx/data/40917ebfa/e93c019df0864579ab50459885f76c3e [2023-11-21 22:16:15,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:16:15,736 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:16:15,738 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:16:15,738 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:16:15,745 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:16:15,747 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:16:15" (1/1) ... [2023-11-21 22:16:15,748 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2744c717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:15, skipping insertion in model container [2023-11-21 22:16:15,749 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:16:15" (1/1) ... [2023-11-21 22:16:15,807 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:16:16,006 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_c3ec7c5d-745a-43f3-a071-90d12cd40c93/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cav14_example.c[1253,1266] [2023-11-21 22:16:16,074 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:16:16,105 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:16:16,131 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_c3ec7c5d-745a-43f3-a071-90d12cd40c93/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cav14_example.c[1253,1266] [2023-11-21 22:16:16,201 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:16:16,236 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:16:16,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:16 WrapperNode [2023-11-21 22:16:16,237 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:16:16,239 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:16:16,239 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:16:16,239 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:16:16,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:16" (1/1) ... [2023-11-21 22:16:16,281 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:16" (1/1) ... [2023-11-21 22:16:16,332 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 110 [2023-11-21 22:16:16,333 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:16:16,334 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:16:16,334 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:16:16,334 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:16:16,349 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:16" (1/1) ... [2023-11-21 22:16:16,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:16" (1/1) ... [2023-11-21 22:16:16,367 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:16" (1/1) ... [2023-11-21 22:16:16,397 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:16:16,405 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:16" (1/1) ... [2023-11-21 22:16:16,406 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:16" (1/1) ... [2023-11-21 22:16:16,415 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:16" (1/1) ... [2023-11-21 22:16:16,427 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:16" (1/1) ... [2023-11-21 22:16:16,429 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:16" (1/1) ... [2023-11-21 22:16:16,432 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:16" (1/1) ... [2023-11-21 22:16:16,437 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:16:16,443 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:16:16,444 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:16:16,444 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:16:16,445 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:16" (1/1) ... [2023-11-21 22:16:16,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:16:16,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:16:16,487 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:16:16,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:16:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:16:16,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 22:16:16,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:16:16,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:16:16,659 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:16:16,663 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:16:16,992 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:16:17,071 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:16:17,079 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:16:17,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:16:17 BoogieIcfgContainer [2023-11-21 22:16:17,081 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:16:17,083 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:16:17,083 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:16:17,086 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:16:17,087 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:16:15" (1/3) ... [2023-11-21 22:16:17,088 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7978eecf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:16:17, skipping insertion in model container [2023-11-21 22:16:17,089 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:16" (2/3) ... [2023-11-21 22:16:17,089 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7978eecf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:16:17, skipping insertion in model container [2023-11-21 22:16:17,089 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:16:17" (3/3) ... [2023-11-21 22:16:17,091 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cav14_example.c [2023-11-21 22:16:17,115 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:16:17,116 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:16:17,169 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:16:17,178 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@f35e194, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:16:17,179 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:16:17,189 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:17,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 22:16:17,196 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:16:17,196 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-21 22:16:17,197 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:16:17,204 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:16:17,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-11-21 22:16:17,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:16:17,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [728496968] [2023-11-21 22:16:17,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:16:17,221 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:16:17,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:16:17,225 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-21 22:16:17,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-21 22:16:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:16:17,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 22:16:17,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:16:17,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:16:17,889 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:16:17,890 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 22:16:17,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [728496968] [2023-11-21 22:16:17,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [728496968] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:16:17,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:16:17,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:16:17,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121452241] [2023-11-21 22:16:17,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:16:17,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:16:17,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 22:16:17,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:16:17,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:16:17,942 INFO L87 Difference]: Start difference. First operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:18,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:16:18,008 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2023-11-21 22:16:18,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 22:16:18,011 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-11-21 22:16:18,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:16:18,021 INFO L225 Difference]: With dead ends: 15 [2023-11-21 22:16:18,021 INFO L226 Difference]: Without dead ends: 9 [2023-11-21 22:16:18,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:16:18,029 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:16:18,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:16:18,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-11-21 22:16:18,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-11-21 22:16:18,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:18,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-11-21 22:16:18,082 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2023-11-21 22:16:18,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:16:18,082 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-11-21 22:16:18,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:18,083 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-11-21 22:16:18,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 22:16:18,084 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:16:18,084 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-11-21 22:16:18,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:16:18,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:16:18,287 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:16:18,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:16:18,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1393329571, now seen corresponding path program 1 times [2023-11-21 22:16:18,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:16:18,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2036144338] [2023-11-21 22:16:18,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:16:18,290 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:16:18,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:16:18,298 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-21 22:16:18,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-21 22:16:18,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:16:18,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-21 22:16:18,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:16:19,299 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:16:19,299 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:16:21,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:16:21,006 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 22:16:21,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2036144338] [2023-11-21 22:16:21,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2036144338] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:16:21,008 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-21 22:16:21,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2023-11-21 22:16:21,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154037261] [2023-11-21 22:16:21,009 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-21 22:16:21,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-21 22:16:21,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 22:16:21,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-21 22:16:21,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-21 22:16:21,016 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:21,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:16:21,229 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2023-11-21 22:16:21,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 22:16:21,230 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-21 22:16:21,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:16:21,231 INFO L225 Difference]: With dead ends: 17 [2023-11-21 22:16:21,231 INFO L226 Difference]: Without dead ends: 15 [2023-11-21 22:16:21,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2023-11-21 22:16:21,233 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 9 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 22:16:21,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 9 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 22:16:21,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2023-11-21 22:16:21,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2023-11-21 22:16:21,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:21,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2023-11-21 22:16:21,242 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 7 [2023-11-21 22:16:21,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:16:21,242 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2023-11-21 22:16:21,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:21,243 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2023-11-21 22:16:21,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 22:16:21,244 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:16:21,244 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1] [2023-11-21 22:16:21,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-21 22:16:21,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:16:21,449 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:16:21,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:16:21,451 INFO L85 PathProgramCache]: Analyzing trace with hash -57678563, now seen corresponding path program 2 times [2023-11-21 22:16:21,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:16:21,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [961561719] [2023-11-21 22:16:21,454 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-21 22:16:21,454 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:16:21,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:16:21,456 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-21 22:16:21,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ec7c5d-745a-43f3-a071-90d12cd40c93/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-21 22:16:21,787 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-21 22:16:21,787 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-21 22:16:21,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 110 conjunts are in the unsatisfiable core [2023-11-21 22:16:21,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:16:23,030 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:16:23,031 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:16:27,861 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (let ((.cse12 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_5~0#1|)) (.cse28 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_7~0#1|)) (.cse3 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_3~0#1|))) (let ((.cse8 (forall ((|v_ULTIMATE.start_main_~var_32_arg_2~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_26_arg_2~0#1_16| (_ BitVec 8))) (not (bvsgt ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_26_arg_2~0#1_16|)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_32_arg_2~0#1_16|)))))))))))) (.cse10 (forall ((|v_ULTIMATE.start_main_~var_31_arg_1~0#1_16| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_31_arg_1~0#1_16|) (_ bv0 32)))))) (_ bv0 8))))) (.cse2 (forall ((|v_ULTIMATE.start_main_~var_31_arg_1~0#1_16| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_31_arg_1~0#1_16|) (_ bv0 32)))))) (_ bv0 8)))) (.cse4 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_23~0#1|)) (.cse11 (forall ((|v_ULTIMATE.start_main_~var_34_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_26_arg_2~0#1_16| (_ BitVec 8))) (not (bvsgt ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_26_arg_2~0#1_16|)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_34_arg_1~0#1_16|)))))))))) (.cse0 (= .cse12 .cse28))) (and (or (not .cse0) (forall ((|v_ULTIMATE.start_main_~var_31_arg_1~0#1_17| (_ BitVec 8))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_31_arg_1~0#1_17|) (_ bv1 32))))))))) (let ((.cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse4 .cse12)))))))))) (let ((.cse7 (or (forall ((|v_ULTIMATE.start_main_~var_32_arg_2~0#1_17| (_ BitVec 8))) (not (bvsgt .cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_32_arg_2~0#1_17|))))))))))) .cse11))) (and (or .cse2 (and (forall ((|v_ULTIMATE.start_main_~var_32_arg_2~0#1_17| (_ BitVec 8))) (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_32_arg_2~0#1_17|)))))))))) (or (forall ((|v_ULTIMATE.start_main_~var_26_arg_2~0#1_16| (_ BitVec 8))) (not (bvsgt ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_26_arg_2~0#1_16|)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse4 .cse5))))))))))))) (bvsgt .cse6 .cse5) (= .cse6 .cse5)))) .cse7)) (or (and (or .cse8 (forall ((|v_ULTIMATE.start_main_~var_32_arg_2~0#1_17| (_ BitVec 8))) (let ((.cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_32_arg_2~0#1_17|)))))))))) (or (bvsgt .cse6 .cse9) (= .cse6 .cse9))))) .cse7) .cse10))))) (or (let ((.cse13 (bvsgt .cse12 .cse28))) (let ((.cse20 (forall ((|v_ULTIMATE.start_main_~var_26_arg_2~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_34_arg_1~0#1_17| (_ BitVec 8))) (let ((.cse33 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_34_arg_1~0#1_17|))))))) (.cse32 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_26_arg_2~0#1_17|)))))))) (or (bvsgt .cse32 .cse33) (= .cse33 .cse32))))) (.cse23 (forall ((|v_ULTIMATE.start_main_~var_26_arg_2~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_34_arg_1~0#1_17| (_ BitVec 8))) (not (bvsgt ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_26_arg_2~0#1_17|)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_34_arg_1~0#1_17|)))))))))) (.cse17 (not .cse13))) (and (or (forall ((|v_ULTIMATE.start_main_~var_31_arg_1~0#1_17| (_ BitVec 8))) (not (= ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_31_arg_1~0#1_17|) (_ bv0 32)))))) (_ bv0 8)))) (let ((.cse16 (or (and (or .cse23 .cse17) (or .cse13 (forall ((|v_ULTIMATE.start_main_~var_32_arg_2~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_26_arg_2~0#1_17| (_ BitVec 8))) (not (bvsgt ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_26_arg_2~0#1_17|)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_32_arg_2~0#1_17|))))))))))))) .cse11))) (and (or .cse2 (and (or .cse13 (forall ((|v_ULTIMATE.start_main_~var_32_arg_2~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_26_arg_2~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_26_arg_2~0#1_16| (_ BitVec 8))) (let ((.cse14 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_26_arg_2~0#1_17|))))))) (.cse15 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_32_arg_2~0#1_17|)))))))))) (or (bvsgt .cse14 .cse15) (not (bvsgt ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_26_arg_2~0#1_16|)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse4 .cse15)))))))))))) (= .cse14 .cse15))))) .cse16 (or .cse17 (forall ((|v_ULTIMATE.start_main_~var_26_arg_2~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_26_arg_2~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_34_arg_1~0#1_17| (_ BitVec 8))) (let ((.cse19 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_34_arg_1~0#1_17|))))))) (.cse18 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_26_arg_2~0#1_17|)))))))) (or (bvsgt .cse18 .cse19) (not (bvsgt ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_26_arg_2~0#1_16|)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse19 .cse4)))))))))))) (= .cse19 .cse18))))))) (or (and (or .cse8 (and (or .cse17 .cse20) (or .cse13 (forall ((|v_ULTIMATE.start_main_~var_32_arg_2~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_26_arg_2~0#1_17| (_ BitVec 8))) (let ((.cse21 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_26_arg_2~0#1_17|))))))) (.cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_32_arg_2~0#1_17|)))))))))) (or (bvsgt .cse21 .cse22) (= .cse21 .cse22))))))) .cse16) .cse10)))) (or (forall ((|v_ULTIMATE.start_main_~var_31_arg_1~0#1_17| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_31_arg_1~0#1_17|) (_ bv0 32)))))) (_ bv0 8))) (and (or .cse13 (let ((.cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse4 .cse28)))))))))))) (let ((.cse25 (forall ((|v_ULTIMATE.start_main_~var_26_arg_2~0#1_17| (_ BitVec 8))) (let ((.cse27 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_26_arg_2~0#1_17|)))))))) (or (= .cse24 .cse27) (bvsgt .cse27 .cse24))))) (.cse26 (or .cse11 (forall ((|v_ULTIMATE.start_main_~var_26_arg_2~0#1_17| (_ BitVec 8))) (not (bvsgt ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_26_arg_2~0#1_17|)))))) .cse24)))))) (and (or .cse2 (and (or (forall ((|v_ULTIMATE.start_main_~var_26_arg_2~0#1_16| (_ BitVec 8))) (not (bvsgt ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_26_arg_2~0#1_16|)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse4 .cse24))))))))))))) .cse25) .cse26)) (or (and (or .cse8 .cse25) .cse26) .cse10))))) (or (let ((.cse29 (or .cse23 .cse11))) (and (or (and (or .cse8 .cse20) .cse29) .cse10) (or .cse2 (and (forall ((|v_ULTIMATE.start_main_~var_34_arg_1~0#1_17| (_ BitVec 8))) (let ((.cse31 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_34_arg_1~0#1_17|)))))))) (or (forall ((|v_ULTIMATE.start_main_~var_26_arg_2~0#1_17| (_ BitVec 8))) (let ((.cse30 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_26_arg_2~0#1_17|)))))))) (or (bvsgt .cse30 .cse31) (= .cse31 .cse30)))) (forall ((|v_ULTIMATE.start_main_~var_26_arg_2~0#1_16| (_ BitVec 8))) (not (bvsgt ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_26_arg_2~0#1_16|)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse31 .cse4)))))))))))))))) .cse29)))) .cse17)))))) .cse0)))) (forall ((|v_ULTIMATE.start_main_~var_15_arg_0~0#1_17| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_15_arg_0~0#1_17|) (_ bv1 32)))))))))) is different from false