./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v5.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b 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_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 c2ad67805566e6dd7791a2ce255a6cca7737f047950b2772f8edc9cba4cf8df2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:02:47,709 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:02:47,791 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 23:02:47,797 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:02:47,798 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:02:47,856 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:02:47,857 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:02:47,858 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:02:47,860 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:02:47,861 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:02:47,862 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:02:47,863 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:02:47,863 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:02:47,864 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:02:47,865 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:02:47,865 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:02:47,866 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:02:47,866 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:02:47,867 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:02:47,867 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:02:47,868 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:02:47,869 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:02:47,869 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:02:47,870 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:02:47,870 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:02:47,871 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:02:47,872 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:02:47,872 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:02:47,873 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:02:47,873 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:02:47,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:02:47,874 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:02:47,875 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:02:47,875 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:02:47,876 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:02:47,876 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:02:47,877 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_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2ad67805566e6dd7791a2ce255a6cca7737f047950b2772f8edc9cba4cf8df2 [2023-11-06 23:02:48,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:02:48,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:02:48,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:02:48,272 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:02:48,273 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:02:48,274 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v5.c [2023-11-06 23:02:51,478 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:02:51,803 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:02:51,818 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v5.c [2023-11-06 23:02:51,837 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/data/b75847d53/ddb816ecf88344759fa7cbcaabb80b17/FLAG027dbea0c [2023-11-06 23:02:51,857 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/data/b75847d53/ddb816ecf88344759fa7cbcaabb80b17 [2023-11-06 23:02:51,860 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:02:51,862 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:02:51,864 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:02:51,865 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:02:51,872 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:02:51,873 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:02:51" (1/1) ... [2023-11-06 23:02:51,874 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21731cf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:51, skipping insertion in model container [2023-11-06 23:02:51,875 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:02:51" (1/1) ... [2023-11-06 23:02:51,912 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:02:52,094 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_3e5638e4-be98-4ca0-9a26-29bce77a4262/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v5.c[1249,1262] [2023-11-06 23:02:52,219 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:02:52,230 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:02:52,242 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_3e5638e4-be98-4ca0-9a26-29bce77a4262/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v5.c[1249,1262] [2023-11-06 23:02:52,298 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:02:52,313 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:02:52,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:52 WrapperNode [2023-11-06 23:02:52,314 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:02:52,315 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:02:52,315 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:02:52,316 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:02:52,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:52" (1/1) ... [2023-11-06 23:02:52,353 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:52" (1/1) ... [2023-11-06 23:02:52,414 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 460 [2023-11-06 23:02:52,415 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:02:52,416 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:02:52,416 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:02:52,416 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:02:52,426 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:52" (1/1) ... [2023-11-06 23:02:52,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:52" (1/1) ... [2023-11-06 23:02:52,437 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:52" (1/1) ... [2023-11-06 23:02:52,437 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:52" (1/1) ... [2023-11-06 23:02:52,463 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:52" (1/1) ... [2023-11-06 23:02:52,483 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:52" (1/1) ... [2023-11-06 23:02:52,489 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:52" (1/1) ... [2023-11-06 23:02:52,494 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:52" (1/1) ... [2023-11-06 23:02:52,502 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:02:52,503 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:02:52,503 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:02:52,504 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:02:52,505 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:52" (1/1) ... [2023-11-06 23:02:52,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:02:52,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:02:52,542 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:02:52,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:02:52,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:02:52,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:02:52,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:02:52,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:02:52,793 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:02:52,796 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:02:53,615 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:02:53,622 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:02:53,623 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 23:02:53,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:02:53 BoogieIcfgContainer [2023-11-06 23:02:53,625 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:02:53,629 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:02:53,629 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:02:53,633 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:02:53,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:02:51" (1/3) ... [2023-11-06 23:02:53,634 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bc01996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:02:53, skipping insertion in model container [2023-11-06 23:02:53,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:52" (2/3) ... [2023-11-06 23:02:53,636 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bc01996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:02:53, skipping insertion in model container [2023-11-06 23:02:53,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:02:53" (3/3) ... [2023-11-06 23:02:53,639 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v5.c [2023-11-06 23:02:53,659 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:02:53,659 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:02:53,735 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:02:53,744 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=LoopsAndPotentialCycles, 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;@2675e1ef, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:02:53,745 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:02:53,750 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 72 states have (on average 1.6388888888888888) internal successors, (118), 73 states have internal predecessors, (118), 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) [2023-11-06 23:02:53,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-06 23:02:53,760 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:02:53,761 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:02:53,762 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:02:53,771 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:53,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1716948722, now seen corresponding path program 1 times [2023-11-06 23:02:53,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:02:53,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505557768] [2023-11-06 23:02:53,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:53,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:02:54,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:54,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:02:54,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:02:54,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505557768] [2023-11-06 23:02:54,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505557768] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:02:54,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:02:54,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:02:54,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037436140] [2023-11-06 23:02:54,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:02:54,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:02:54,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:02:54,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:02:54,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:02:54,550 INFO L87 Difference]: Start difference. First operand has 74 states, 72 states have (on average 1.6388888888888888) internal successors, (118), 73 states have internal predecessors, (118), 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 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2023-11-06 23:02:54,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:02:54,611 INFO L93 Difference]: Finished difference Result 111 states and 179 transitions. [2023-11-06 23:02:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:02:54,614 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 35 [2023-11-06 23:02:54,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:02:54,625 INFO L225 Difference]: With dead ends: 111 [2023-11-06 23:02:54,626 INFO L226 Difference]: Without dead ends: 72 [2023-11-06 23:02:54,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:02:54,634 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 1 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:02:54,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 324 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:02:54,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-06 23:02:54,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-11-06 23:02:54,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 71 states have (on average 1.6056338028169015) internal successors, (114), 71 states have internal predecessors, (114), 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) [2023-11-06 23:02:54,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 114 transitions. [2023-11-06 23:02:54,693 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 114 transitions. Word has length 35 [2023-11-06 23:02:54,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:02:54,695 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 114 transitions. [2023-11-06 23:02:54,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2023-11-06 23:02:54,696 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 114 transitions. [2023-11-06 23:02:54,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-06 23:02:54,698 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:02:54,698 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:02:54,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 23:02:54,699 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:02:54,701 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:54,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1684077702, now seen corresponding path program 1 times [2023-11-06 23:02:54,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:02:54,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238888222] [2023-11-06 23:02:54,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:54,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:02:54,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:54,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:02:55,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:02:55,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238888222] [2023-11-06 23:02:55,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238888222] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:02:55,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:02:55,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:02:55,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418067277] [2023-11-06 23:02:55,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:02:55,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:02:55,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:02:55,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:02:55,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:02:55,006 INFO L87 Difference]: Start difference. First operand 72 states and 114 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2023-11-06 23:02:55,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:02:55,067 INFO L93 Difference]: Finished difference Result 112 states and 175 transitions. [2023-11-06 23:02:55,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:02:55,070 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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 36 [2023-11-06 23:02:55,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:02:55,073 INFO L225 Difference]: With dead ends: 112 [2023-11-06 23:02:55,073 INFO L226 Difference]: Without dead ends: 75 [2023-11-06 23:02:55,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:02:55,078 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 1 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:02:55,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 321 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:02:55,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-06 23:02:55,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 74. [2023-11-06 23:02:55,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.5890410958904109) internal successors, (116), 73 states have internal predecessors, (116), 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) [2023-11-06 23:02:55,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 116 transitions. [2023-11-06 23:02:55,087 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 116 transitions. Word has length 36 [2023-11-06 23:02:55,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:02:55,091 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 116 transitions. [2023-11-06 23:02:55,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2023-11-06 23:02:55,091 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 116 transitions. [2023-11-06 23:02:55,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-06 23:02:55,094 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:02:55,094 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:02:55,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 23:02:55,094 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:02:55,095 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:55,095 INFO L85 PathProgramCache]: Analyzing trace with hash 897773866, now seen corresponding path program 1 times [2023-11-06 23:02:55,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:02:55,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995901380] [2023-11-06 23:02:55,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:55,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:02:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:02:55,189 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:02:55,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:02:55,249 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:02:55,250 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 23:02:55,251 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 23:02:55,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 23:02:55,256 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-06 23:02:55,260 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:02:55,298 WARN L316 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-06 23:02:55,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:02:55 BoogieIcfgContainer [2023-11-06 23:02:55,311 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:02:55,311 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:02:55,311 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:02:55,312 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:02:55,312 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:02:53" (3/4) ... [2023-11-06 23:02:55,314 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 23:02:55,316 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:02:55,316 INFO L158 Benchmark]: Toolchain (without parser) took 3454.31ms. Allocated memory is still 167.8MB. Free memory was 137.3MB in the beginning and 90.2MB in the end (delta: 47.1MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. [2023-11-06 23:02:55,317 INFO L158 Benchmark]: CDTParser took 0.80ms. Allocated memory is still 125.8MB. Free memory is still 98.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:02:55,317 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.19ms. Allocated memory is still 167.8MB. Free memory was 136.7MB in the beginning and 121.2MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 23:02:55,318 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.76ms. Allocated memory is still 167.8MB. Free memory was 120.6MB in the beginning and 112.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 23:02:55,318 INFO L158 Benchmark]: Boogie Preprocessor took 86.68ms. Allocated memory is still 167.8MB. Free memory was 112.2MB in the beginning and 108.6MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:02:55,319 INFO L158 Benchmark]: RCFGBuilder took 1122.28ms. Allocated memory is still 167.8MB. Free memory was 108.6MB in the beginning and 124.8MB in the end (delta: -16.2MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. [2023-11-06 23:02:55,319 INFO L158 Benchmark]: TraceAbstraction took 1681.72ms. Allocated memory is still 167.8MB. Free memory was 124.7MB in the beginning and 91.3MB in the end (delta: 33.4MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2023-11-06 23:02:55,320 INFO L158 Benchmark]: Witness Printer took 4.44ms. Allocated memory is still 167.8MB. Free memory was 91.3MB in the beginning and 90.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:02:55,323 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80ms. Allocated memory is still 125.8MB. Free memory is still 98.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 450.19ms. Allocated memory is still 167.8MB. Free memory was 136.7MB in the beginning and 121.2MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.76ms. Allocated memory is still 167.8MB. Free memory was 120.6MB in the beginning and 112.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.68ms. Allocated memory is still 167.8MB. Free memory was 112.2MB in the beginning and 108.6MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1122.28ms. Allocated memory is still 167.8MB. Free memory was 108.6MB in the beginning and 124.8MB in the end (delta: -16.2MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1681.72ms. Allocated memory is still 167.8MB. Free memory was 124.7MB in the beginning and 91.3MB in the end (delta: 33.4MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. * Witness Printer took 4.44ms. Allocated memory is still 167.8MB. Free memory was 91.3MB in the beginning and 90.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 bitwiseAnd at line 99. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 8); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (8 - 1); [L29] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 1); [L30] const SORT_5 msb_SORT_5 = (SORT_5)1 << (1 - 1); [L32] const SORT_1 var_9 = 0; [L33] const SORT_5 var_17 = 1; [L34] const SORT_5 var_29 = 0; [L35] const SORT_1 var_75 = 1; [L37] SORT_1 input_2; [L38] SORT_1 input_3; [L39] SORT_1 input_4; [L40] SORT_5 input_6; [L41] SORT_5 input_7; [L42] SORT_5 input_8; [L43] SORT_5 input_27; [L45] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, var_17=1, var_29=0, var_75=1, var_9=0] [L45] SORT_1 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L46] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, var_17=1, var_29=0, var_75=1, var_9=0] [L46] SORT_1 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L47] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, var_17=1, var_29=0, var_75=1, var_9=0] [L47] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, var_17=1, var_29=0, var_75=1, var_9=0] [L48] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L49] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, var_17=1, var_29=0, var_75=1, var_9=0] [L49] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L50] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 VAL [__VERIFIER_nondet_uchar() & mask_SORT_5=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, var_17=1, var_29=0, var_75=1, var_9=0] [L50] SORT_5 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L51] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, var_17=1, var_29=0, var_75=1, var_9=0] [L51] SORT_1 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L52] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 VAL [__VERIFIER_nondet_uchar() & mask_SORT_5=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, var_17=1, var_29=0, var_75=1, var_9=0] [L52] SORT_5 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L53] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, state_34=0, var_17=1, var_29=0, var_75=1, var_9=0] [L53] SORT_1 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L54] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, state_34=0, state_36=0, var_17=1, var_29=0, var_75=1, var_9=0] [L54] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L55] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, var_17=1, var_29=0, var_75=1, var_9=0] [L55] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L57] SORT_1 init_11_arg_1 = var_9; [L58] state_10 = init_11_arg_1 [L59] SORT_1 init_13_arg_1 = var_9; [L60] state_12 = init_13_arg_1 [L61] SORT_1 init_22_arg_1 = var_9; [L62] state_21 = init_22_arg_1 [L63] SORT_1 init_24_arg_1 = var_9; [L64] state_23 = init_24_arg_1 [L65] SORT_1 init_26_arg_1 = var_9; [L66] state_25 = init_26_arg_1 [L67] SORT_5 init_31_arg_1 = var_29; [L68] state_30 = init_31_arg_1 [L69] SORT_1 init_33_arg_1 = var_9; [L70] state_32 = init_33_arg_1 [L71] SORT_5 init_35_arg_1 = var_29; [L72] state_34 = init_35_arg_1 [L73] SORT_1 init_37_arg_1 = var_9; [L74] state_36 = init_37_arg_1 [L75] SORT_1 init_40_arg_1 = var_9; [L76] state_39 = init_40_arg_1 [L77] SORT_1 init_42_arg_1 = var_9; [L78] state_41 = init_42_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, var_17=1, var_29=0, var_75=1, var_9=0] [L81] input_2 = __VERIFIER_nondet_uchar() [L82] input_3 = __VERIFIER_nondet_uchar() [L83] input_4 = __VERIFIER_nondet_uchar() [L84] input_6 = __VERIFIER_nondet_uchar() [L85] input_7 = __VERIFIER_nondet_uchar() [L86] EXPR input_7 & mask_SORT_5 VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, input_7 & mask_SORT_5=0, input_7=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, var_17=1, var_29=0, var_75=1, var_9=0] [L86] input_7 = input_7 & mask_SORT_5 [L87] input_8 = __VERIFIER_nondet_uchar() [L88] EXPR input_8 & mask_SORT_5 VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, input_7=0, input_8 & mask_SORT_5=0, input_8=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, var_17=1, var_29=0, var_75=1, var_9=0] [L88] input_8 = input_8 & mask_SORT_5 [L89] input_27 = __VERIFIER_nondet_uchar() [L92] SORT_1 var_14_arg_0 = state_10; [L93] SORT_1 var_14_arg_1 = state_12; [L94] SORT_5 var_14 = var_14_arg_0 == var_14_arg_1; [L95] SORT_5 var_18_arg_0 = var_14; [L96] SORT_5 var_18 = ~var_18_arg_0; [L97] SORT_5 var_19_arg_0 = var_17; [L98] SORT_5 var_19_arg_1 = var_18; VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, input_7=0, input_8=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=1, var_18=254, var_18_arg_0=1, var_19_arg_0=1, var_19_arg_1=254, var_29=0, var_75=1, var_9=0] [L99] EXPR var_19_arg_0 & var_19_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, input_7=0, input_8=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=1, var_18=254, var_18_arg_0=1, var_19_arg_0 & var_19_arg_1=1, var_19_arg_0=1, var_19_arg_1=254, var_29=0, var_75=1, var_9=0] [L99] SORT_5 var_19 = var_19_arg_0 & var_19_arg_1; [L100] EXPR var_19 & mask_SORT_5 VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, input_7=0, input_8=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=1, var_18=254, var_18_arg_0=1, var_19 & mask_SORT_5=1, var_19=1, var_19_arg_0=1, var_19_arg_1=254, var_29=0, var_75=1, var_9=0] [L100] var_19 = var_19 & mask_SORT_5 [L101] SORT_5 bad_20_arg_0 = var_19; [L102] CALL __VERIFIER_assert(!(bad_20_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, 74 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 645 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 425 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 220 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=0, InterpolantAutomatonStates: 8, 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, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 69 ConstructedInterpolants, 0 QuantifiedInterpolants, 78 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 [2023-11-06 23:02:55,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/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_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 c2ad67805566e6dd7791a2ce255a6cca7737f047950b2772f8edc9cba4cf8df2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:02:58,054 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:02:58,202 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-06 23:02:58,217 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:02:58,218 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:02:58,261 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:02:58,262 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:02:58,263 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:02:58,264 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:02:58,269 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:02:58,270 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:02:58,270 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:02:58,271 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:02:58,273 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:02:58,273 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:02:58,274 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:02:58,274 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:02:58,275 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:02:58,275 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:02:58,275 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 23:02:58,276 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 23:02:58,276 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 23:02:58,277 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:02:58,277 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:02:58,278 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:02:58,278 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:02:58,279 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:02:58,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:02:58,279 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:02:58,280 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:02:58,281 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:02:58,282 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 23:02:58,282 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 23:02:58,282 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:02:58,283 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:02:58,283 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:02:58,283 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:02:58,283 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 23:02:58,284 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:02:58,285 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_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2ad67805566e6dd7791a2ce255a6cca7737f047950b2772f8edc9cba4cf8df2 [2023-11-06 23:02:58,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:02:58,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:02:58,782 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:02:58,783 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:02:58,784 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:02:58,786 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v5.c [2023-11-06 23:03:02,109 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:03:02,469 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:03:02,470 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v5.c [2023-11-06 23:03:02,481 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/data/fc03f522b/276d9e7852194a7781d6797cc841bd36/FLAG81ee954e6 [2023-11-06 23:03:02,497 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/data/fc03f522b/276d9e7852194a7781d6797cc841bd36 [2023-11-06 23:03:02,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:03:02,501 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:03:02,502 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:03:02,503 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:03:02,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:03:02,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:03:02" (1/1) ... [2023-11-06 23:03:02,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5791d1aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:02, skipping insertion in model container [2023-11-06 23:03:02,511 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:03:02" (1/1) ... [2023-11-06 23:03:02,546 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:03:02,762 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_3e5638e4-be98-4ca0-9a26-29bce77a4262/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v5.c[1249,1262] [2023-11-06 23:03:02,850 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:03:02,865 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:03:02,880 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_3e5638e4-be98-4ca0-9a26-29bce77a4262/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v5.c[1249,1262] [2023-11-06 23:03:02,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:03:02,941 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:03:02,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:02 WrapperNode [2023-11-06 23:03:02,942 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:03:02,943 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:03:02,943 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:03:02,944 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:03:02,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:02" (1/1) ... [2023-11-06 23:03:02,964 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:02" (1/1) ... [2023-11-06 23:03:03,023 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 250 [2023-11-06 23:03:03,024 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:03:03,026 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:03:03,027 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:03:03,027 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:03:03,036 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:02" (1/1) ... [2023-11-06 23:03:03,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:02" (1/1) ... [2023-11-06 23:03:03,043 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:02" (1/1) ... [2023-11-06 23:03:03,053 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:02" (1/1) ... [2023-11-06 23:03:03,065 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:02" (1/1) ... [2023-11-06 23:03:03,083 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:02" (1/1) ... [2023-11-06 23:03:03,085 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:02" (1/1) ... [2023-11-06 23:03:03,087 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:02" (1/1) ... [2023-11-06 23:03:03,100 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:03:03,101 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:03:03,101 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:03:03,101 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:03:03,102 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:02" (1/1) ... [2023-11-06 23:03:03,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:03:03,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:03:03,156 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:03:03,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:03:03,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:03:03,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 23:03:03,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:03:03,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:03:03,400 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:03:03,404 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:03:03,781 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:03:03,788 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:03:03,788 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 23:03:03,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:03:03 BoogieIcfgContainer [2023-11-06 23:03:03,791 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:03:03,794 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:03:03,794 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:03:03,798 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:03:03,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:03:02" (1/3) ... [2023-11-06 23:03:03,799 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25b258cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:03:03, skipping insertion in model container [2023-11-06 23:03:03,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:02" (2/3) ... [2023-11-06 23:03:03,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25b258cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:03:03, skipping insertion in model container [2023-11-06 23:03:03,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:03:03" (3/3) ... [2023-11-06 23:03:03,802 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v5.c [2023-11-06 23:03:03,827 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:03:03,827 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:03:03,887 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:03:03,894 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=LoopsAndPotentialCycles, 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;@588fc3ad, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:03:03,894 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:03:03,898 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 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) [2023-11-06 23:03:03,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-06 23:03:03,905 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:03,905 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 23:03:03,906 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:03,917 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:03,918 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2023-11-06 23:03:03,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:03:03,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1516040292] [2023-11-06 23:03:03,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:03,933 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 [2023-11-06 23:03:03,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:03:03,940 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 23:03:03,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:03:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:04,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-06 23:03:04,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:03:04,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:03:04,425 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:03:04,426 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:03:04,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1516040292] [2023-11-06 23:03:04,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1516040292] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:04,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:03:04,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:03:04,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437164320] [2023-11-06 23:03:04,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:04,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:03:04,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:03:04,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:03:04,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:03:04,478 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 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) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2023-11-06 23:03:04,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:04,556 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2023-11-06 23:03:04,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:03:04,559 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 5 [2023-11-06 23:03:04,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:04,569 INFO L225 Difference]: With dead ends: 19 [2023-11-06 23:03:04,569 INFO L226 Difference]: Without dead ends: 10 [2023-11-06 23:03:04,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:03:04,579 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:04,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:03:04,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-06 23:03:04,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2023-11-06 23:03:04,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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) [2023-11-06 23:03:04,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-06 23:03:04,618 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2023-11-06 23:03:04,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:04,619 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-06 23:03:04,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2023-11-06 23:03:04,620 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-06 23:03:04,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-06 23:03:04,621 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:04,621 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2023-11-06 23:03:04,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:03:04,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:03:04,836 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:04,837 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:04,837 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2023-11-06 23:03:04,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:03:04,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [735158022] [2023-11-06 23:03:04,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:04,843 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 [2023-11-06 23:03:04,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:03:04,845 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 23:03:04,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:03:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:05,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-06 23:03:05,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:03:05,933 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:03:05,934 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:03:07,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:03:07,021 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:03:07,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [735158022] [2023-11-06 23:03:07,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [735158022] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:03:07,023 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:03:07,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-06 23:03:07,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239234596] [2023-11-06 23:03:07,027 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:03:07,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 23:03:07,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:03:07,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 23:03:07,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-06 23:03:07,032 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 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) [2023-11-06 23:03:07,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:07,249 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2023-11-06 23:03:07,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 23:03:07,250 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 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) Word has length 8 [2023-11-06 23:03:07,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:07,251 INFO L225 Difference]: With dead ends: 15 [2023-11-06 23:03:07,251 INFO L226 Difference]: Without dead ends: 13 [2023-11-06 23:03:07,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2023-11-06 23:03:07,255 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 8 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:07,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 21 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:03:07,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-11-06 23:03:07,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2023-11-06 23:03:07,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 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) [2023-11-06 23:03:07,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-06 23:03:07,266 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2023-11-06 23:03:07,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:07,266 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2023-11-06 23:03:07,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 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) [2023-11-06 23:03:07,268 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-06 23:03:07,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-06 23:03:07,269 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:07,269 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2023-11-06 23:03:07,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:03:07,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:03:07,482 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:07,482 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:07,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2023-11-06 23:03:07,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:03:07,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1398927391] [2023-11-06 23:03:07,484 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 23:03:07,484 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 [2023-11-06 23:03:07,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:03:07,488 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 23:03:07,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:03:07,791 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 23:03:07,792 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 23:03:07,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 76 conjunts are in the unsatisfiable core [2023-11-06 23:03:07,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:03:08,606 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:03:08,606 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:03:16,207 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:03:16,207 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:03:16,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1398927391] [2023-11-06 23:03:16,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1398927391] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:03:16,208 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:03:16,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-06 23:03:16,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15656794] [2023-11-06 23:03:16,209 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:03:16,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 23:03:16,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:03:16,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 23:03:16,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-06 23:03:16,212 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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) [2023-11-06 23:03:16,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:16,600 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2023-11-06 23:03:16,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 23:03:16,601 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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 11 [2023-11-06 23:03:16,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:16,601 INFO L225 Difference]: With dead ends: 18 [2023-11-06 23:03:16,601 INFO L226 Difference]: Without dead ends: 16 [2023-11-06 23:03:16,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2023-11-06 23:03:16,603 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 9 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:16,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 30 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:03:16,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2023-11-06 23:03:16,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2023-11-06 23:03:16,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 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) [2023-11-06 23:03:16,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2023-11-06 23:03:16,609 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2023-11-06 23:03:16,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:16,609 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2023-11-06 23:03:16,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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) [2023-11-06 23:03:16,610 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2023-11-06 23:03:16,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-06 23:03:16,611 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:16,611 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2023-11-06 23:03:16,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/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)] Forceful destruction successful, exit code 0 [2023-11-06 23:03:16,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:03:16,812 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:16,812 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:16,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2023-11-06 23:03:16,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:03:16,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [298854254] [2023-11-06 23:03:16,814 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-06 23:03:16,814 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 [2023-11-06 23:03:16,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:03:16,816 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 23:03:16,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/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 (5)] Waiting until timeout for monitored process [2023-11-06 23:03:17,229 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-11-06 23:03:17,229 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2023-11-06 23:03:17,229 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:03:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:03:17,635 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-06 23:03:17,636 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 23:03:17,637 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 23:03:17,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/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 (5)] Forceful destruction successful, exit code 0 [2023-11-06 23:03:17,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:03:17,862 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1] [2023-11-06 23:03:17,866 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:03:17,966 WARN L316 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-06 23:03:17,966 WARN L316 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-06 23:03:17,973 WARN L316 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-06 23:03:17,973 WARN L316 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-06 23:03:18,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:03:18 BoogieIcfgContainer [2023-11-06 23:03:18,010 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:03:18,010 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:03:18,010 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:03:18,011 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:03:18,011 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:03:03" (3/4) ... [2023-11-06 23:03:18,012 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-06 23:03:18,052 WARN L316 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-06 23:03:18,052 WARN L316 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-06 23:03:18,052 WARN L316 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-06 23:03:18,053 WARN L316 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-06 23:03:18,179 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 23:03:18,179 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:03:18,180 INFO L158 Benchmark]: Toolchain (without parser) took 15679.29ms. Allocated memory was 96.5MB in the beginning and 310.4MB in the end (delta: 213.9MB). Free memory was 71.2MB in the beginning and 270.2MB in the end (delta: -199.0MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2023-11-06 23:03:18,181 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 96.5MB. Free memory was 72.6MB in the beginning and 72.5MB in the end (delta: 94.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:03:18,181 INFO L158 Benchmark]: CACSL2BoogieTranslator took 440.03ms. Allocated memory is still 96.5MB. Free memory was 71.2MB in the beginning and 55.8MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 23:03:18,181 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.11ms. Allocated memory is still 96.5MB. Free memory was 55.6MB in the beginning and 52.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:03:18,182 INFO L158 Benchmark]: Boogie Preprocessor took 74.30ms. Allocated memory is still 96.5MB. Free memory was 52.9MB in the beginning and 51.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:03:18,182 INFO L158 Benchmark]: RCFGBuilder took 689.90ms. Allocated memory is still 96.5MB. Free memory was 51.0MB in the beginning and 52.9MB in the end (delta: -1.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 23:03:18,183 INFO L158 Benchmark]: TraceAbstraction took 14216.18ms. Allocated memory was 96.5MB in the beginning and 310.4MB in the end (delta: 213.9MB). Free memory was 51.9MB in the beginning and 282.8MB in the end (delta: -230.9MB). Peak memory consumption was 166.9MB. Max. memory is 16.1GB. [2023-11-06 23:03:18,183 INFO L158 Benchmark]: Witness Printer took 169.27ms. Allocated memory is still 310.4MB. Free memory was 281.7MB in the beginning and 270.2MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 23:03:18,186 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 96.5MB. Free memory was 72.6MB in the beginning and 72.5MB in the end (delta: 94.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 440.03ms. Allocated memory is still 96.5MB. Free memory was 71.2MB in the beginning and 55.8MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.11ms. Allocated memory is still 96.5MB. Free memory was 55.6MB in the beginning and 52.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.30ms. Allocated memory is still 96.5MB. Free memory was 52.9MB in the beginning and 51.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 689.90ms. Allocated memory is still 96.5MB. Free memory was 51.0MB in the beginning and 52.9MB in the end (delta: -1.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * TraceAbstraction took 14216.18ms. Allocated memory was 96.5MB in the beginning and 310.4MB in the end (delta: 213.9MB). Free memory was 51.9MB in the beginning and 282.8MB in the end (delta: -230.9MB). Peak memory consumption was 166.9MB. Max. memory is 16.1GB. * Witness Printer took 169.27ms. Allocated memory is still 310.4MB. Free memory was 281.7MB in the beginning and 270.2MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. 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 - CounterExampleResult [Line: 21]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 8); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (8 - 1); [L29] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 1); [L30] const SORT_5 msb_SORT_5 = (SORT_5)1 << (1 - 1); [L32] const SORT_1 var_9 = 0; [L33] const SORT_5 var_17 = 1; [L34] const SORT_5 var_29 = 0; [L35] const SORT_1 var_75 = 1; [L37] SORT_1 input_2; [L38] SORT_1 input_3; [L39] SORT_1 input_4; [L40] SORT_5 input_6; [L41] SORT_5 input_7; [L42] SORT_5 input_8; [L43] SORT_5 input_27; [L45] SORT_1 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L46] SORT_1 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L47] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L49] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L50] SORT_5 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L51] SORT_1 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L52] SORT_5 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L53] SORT_1 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L54] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L55] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L57] SORT_1 init_11_arg_1 = var_9; [L58] state_10 = init_11_arg_1 [L59] SORT_1 init_13_arg_1 = var_9; [L60] state_12 = init_13_arg_1 [L61] SORT_1 init_22_arg_1 = var_9; [L62] state_21 = init_22_arg_1 [L63] SORT_1 init_24_arg_1 = var_9; [L64] state_23 = init_24_arg_1 [L65] SORT_1 init_26_arg_1 = var_9; [L66] state_25 = init_26_arg_1 [L67] SORT_5 init_31_arg_1 = var_29; [L68] state_30 = init_31_arg_1 [L69] SORT_1 init_33_arg_1 = var_9; [L70] state_32 = init_33_arg_1 [L71] SORT_5 init_35_arg_1 = var_29; [L72] state_34 = init_35_arg_1 [L73] SORT_1 init_37_arg_1 = var_9; [L74] state_36 = init_37_arg_1 [L75] SORT_1 init_40_arg_1 = var_9; [L76] state_39 = init_40_arg_1 [L77] SORT_1 init_42_arg_1 = var_9; [L78] state_41 = init_42_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, var_17=1, var_29=0, var_75=1, var_9=0] [L81] input_2 = __VERIFIER_nondet_uchar() [L82] input_3 = __VERIFIER_nondet_uchar() [L83] input_4 = __VERIFIER_nondet_uchar() [L84] input_6 = __VERIFIER_nondet_uchar() [L85] input_7 = __VERIFIER_nondet_uchar() [L86] input_7 = input_7 & mask_SORT_5 [L87] input_8 = __VERIFIER_nondet_uchar() [L88] input_8 = input_8 & mask_SORT_5 [L89] input_27 = __VERIFIER_nondet_uchar() [L92] SORT_1 var_14_arg_0 = state_10; [L93] SORT_1 var_14_arg_1 = state_12; [L94] SORT_5 var_14 = var_14_arg_0 == var_14_arg_1; [L95] SORT_5 var_18_arg_0 = var_14; [L96] SORT_5 var_18 = ~var_18_arg_0; [L97] SORT_5 var_19_arg_0 = var_17; [L98] SORT_5 var_19_arg_1 = var_18; [L99] SORT_5 var_19 = var_19_arg_0 & var_19_arg_1; [L100] var_19 = var_19 & mask_SORT_5 [L101] SORT_5 bad_20_arg_0 = var_19; [L102] CALL __VERIFIER_assert(!(bad_20_arg_0)) [L21] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L102] RET __VERIFIER_assert(!(bad_20_arg_0)) [L104] SORT_5 var_52_arg_0 = input_8; [L105] SORT_5 var_52_arg_1 = var_17; [L106] SORT_5 var_52 = var_52_arg_0 == var_52_arg_1; [L107] SORT_5 var_53_arg_0 = var_52; [L108] SORT_1 var_53_arg_1 = var_9; [L109] SORT_1 var_53_arg_2 = state_41; [L110] SORT_1 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L111] var_53 = var_53 & mask_SORT_1 [L112] SORT_1 next_54_arg_1 = var_53; [L113] SORT_5 var_58_arg_0 = input_8; [L114] SORT_5 var_58_arg_1 = var_17; [L115] SORT_5 var_58 = var_58_arg_0 == var_58_arg_1; [L116] SORT_1 var_56_arg_0 = state_36; [L117] SORT_1 var_56_arg_1 = state_32; [L118] SORT_1 var_56 = var_56_arg_0 - var_56_arg_1; [L119] SORT_1 var_55_arg_0 = state_36; [L120] SORT_1 var_55_arg_1 = state_32; [L121] SORT_1 var_55 = var_55_arg_0 - var_55_arg_1; [L122] SORT_5 var_57_arg_0 = state_34; [L123] SORT_1 var_57_arg_1 = var_56; [L124] SORT_1 var_57_arg_2 = var_55; [L125] SORT_1 var_57 = var_57_arg_0 ? var_57_arg_1 : var_57_arg_2; [L126] SORT_5 var_59_arg_0 = var_58; [L127] SORT_1 var_59_arg_1 = var_9; [L128] SORT_1 var_59_arg_2 = var_57; [L129] SORT_1 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L130] var_59 = var_59 & mask_SORT_1 [L131] SORT_1 next_60_arg_1 = var_59; [L132] SORT_5 var_61_arg_0 = var_58; [L133] SORT_1 var_61_arg_1 = var_9; [L134] SORT_1 var_61_arg_2 = input_2; [L135] SORT_1 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; [L136] SORT_1 next_62_arg_1 = var_61; [L137] SORT_5 var_63_arg_0 = var_58; [L138] SORT_1 var_63_arg_1 = var_9; [L139] SORT_1 var_63_arg_2 = input_3; [L140] SORT_1 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L141] SORT_1 next_64_arg_1 = var_63; [L142] SORT_5 var_65_arg_0 = var_58; [L143] SORT_1 var_65_arg_1 = var_9; [L144] SORT_1 var_65_arg_2 = input_4; [L145] SORT_1 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L146] SORT_1 next_66_arg_1 = var_65; [L147] SORT_5 var_67_arg_0 = var_58; [L148] SORT_5 var_67_arg_1 = var_29; [L149] SORT_5 var_67_arg_2 = input_7; [L150] SORT_5 var_67 = var_67_arg_0 ? var_67_arg_1 : var_67_arg_2; [L151] SORT_5 next_68_arg_1 = var_67; [L152] SORT_5 var_69_arg_0 = var_58; [L153] SORT_1 var_69_arg_1 = var_9; [L154] SORT_1 var_69_arg_2 = state_25; [L155] SORT_1 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L156] SORT_1 next_70_arg_1 = var_69; [L157] SORT_5 var_71_arg_0 = var_58; [L158] SORT_5 var_71_arg_1 = var_29; [L159] SORT_5 var_71_arg_2 = state_30; [L160] SORT_5 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L161] var_71 = var_71 & mask_SORT_5 [L162] SORT_5 next_72_arg_1 = var_71; [L163] SORT_1 var_76_arg_0 = state_21; [L164] SORT_1 var_76_arg_1 = var_75; [L165] SORT_1 var_76 = var_76_arg_0 & var_76_arg_1; [L166] var_76 = var_76 & mask_SORT_1 [L167] SORT_1 var_77_arg_0 = var_76; [L168] SORT_1 var_77_arg_1 = var_75; [L169] SORT_5 var_77 = var_77_arg_0 == var_77_arg_1; [L170] SORT_1 var_74_arg_0 = state_21; [L171] SORT_1 var_74_arg_1 = state_23; [L172] SORT_1 var_74 = var_74_arg_0 + var_74_arg_1; [L173] SORT_1 var_73_arg_0 = state_21; [L174] SORT_1 var_73_arg_1 = state_23; [L175] SORT_1 var_73 = var_73_arg_0 - var_73_arg_1; [L176] SORT_5 var_78_arg_0 = var_77; [L177] SORT_1 var_78_arg_1 = var_74; [L178] SORT_1 var_78_arg_2 = var_73; [L179] SORT_1 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L180] SORT_5 var_79_arg_0 = var_58; [L181] SORT_1 var_79_arg_1 = var_9; [L182] SORT_1 var_79_arg_2 = var_78; [L183] SORT_1 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L184] SORT_1 next_80_arg_1 = var_79; [L185] SORT_1 var_45_arg_0 = input_2; [L186] SORT_5 var_45 = var_45_arg_0 >> 0; [L187] var_45 = var_45 & mask_SORT_5 [L188] SORT_1 var_44_arg_0 = input_2; [L189] SORT_1 var_44_arg_1 = input_3; [L190] SORT_1 var_44 = var_44_arg_0 + var_44_arg_1; [L191] SORT_1 var_43_arg_0 = input_2; [L192] SORT_1 var_43_arg_1 = input_3; [L193] SORT_1 var_43 = var_43_arg_0 - var_43_arg_1; [L194] SORT_5 var_46_arg_0 = var_45; [L195] SORT_1 var_46_arg_1 = var_44; [L196] SORT_1 var_46_arg_2 = var_43; [L197] SORT_1 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L198] SORT_1 var_48_arg_0 = var_46; [L199] SORT_1 var_48_arg_1 = input_4; [L200] SORT_1 var_48 = var_48_arg_0 + var_48_arg_1; [L201] SORT_1 var_47_arg_0 = var_46; [L202] SORT_1 var_47_arg_1 = input_4; [L203] SORT_1 var_47 = var_47_arg_0 - var_47_arg_1; [L204] SORT_5 var_49_arg_0 = input_7; [L205] SORT_1 var_49_arg_1 = var_48; [L206] SORT_1 var_49_arg_2 = var_47; [L207] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L208] SORT_5 var_81_arg_0 = var_52; [L209] SORT_1 var_81_arg_1 = var_9; [L210] SORT_1 var_81_arg_2 = var_49; [L211] SORT_1 var_81 = var_81_arg_0 ? var_81_arg_1 : var_81_arg_2; [L212] SORT_1 next_82_arg_1 = var_81; [L213] SORT_5 var_83_arg_0 = var_52; [L214] SORT_1 var_83_arg_1 = var_9; [L215] SORT_1 var_83_arg_2 = state_39; [L216] SORT_1 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L217] SORT_1 next_84_arg_1 = var_83; [L219] state_10 = next_54_arg_1 [L220] state_12 = next_60_arg_1 [L221] state_21 = next_62_arg_1 [L222] state_23 = next_64_arg_1 [L223] state_25 = next_66_arg_1 [L224] state_30 = next_68_arg_1 [L225] state_32 = next_70_arg_1 [L226] state_34 = next_72_arg_1 [L227] state_36 = next_80_arg_1 [L228] state_39 = next_82_arg_1 [L229] state_41 = next_84_arg_1 VAL [bad_20_arg_0=0, init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, input_2=63, input_3=130, input_4=97, input_7=1, input_8=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, next_54_arg_1=0, next_60_arg_1=0, next_62_arg_1=63, next_64_arg_1=130, next_66_arg_1=97, next_68_arg_1=1, next_70_arg_1=0, next_72_arg_1=0, next_80_arg_1=0, next_82_arg_1=34, next_84_arg_1=0, state_10=0, state_12=0, state_21=63, state_23=130, state_25=97, state_30=1, state_32=0, state_34=0, state_36=0, state_39=34, state_41=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=1, var_18=254, var_18_arg_0=1, var_19=0, var_19_arg_0=1, var_19_arg_1=254, var_29=0, var_43=189, var_43_arg_0=63, var_43_arg_1=130, var_44=193, var_44_arg_0=63, var_44_arg_1=130, var_45=1, var_45_arg_0=63, var_46=193, var_46_arg_0=1, var_46_arg_1=193, var_46_arg_2=189, var_47=96, var_47_arg_0=193, var_47_arg_1=97, var_48=34, var_48_arg_0=193, var_48_arg_1=97, var_49=34, var_49_arg_0=1, var_49_arg_1=34, var_49_arg_2=96, var_52=0, var_52_arg_0=0, var_52_arg_1=1, var_53=0, var_53_arg_0=0, var_53_arg_1=0, var_53_arg_2=0, var_55=0, var_55_arg_0=0, var_55_arg_1=0, var_56=0, var_56_arg_0=0, var_56_arg_1=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_57_arg_2=0, var_58=0, var_58_arg_0=0, var_58_arg_1=1, var_59=0, var_59_arg_0=0, var_59_arg_1=0, var_59_arg_2=0, var_61=63, var_61_arg_0=0, var_61_arg_1=0, var_61_arg_2=63, var_63=130, var_63_arg_0=0, var_63_arg_1=0, var_63_arg_2=130, var_65=97, var_65_arg_0=0, var_65_arg_1=0, var_65_arg_2=97, var_67=1, var_67_arg_0=0, var_67_arg_1=0, var_67_arg_2=1, var_69=0, var_69_arg_0=0, var_69_arg_1=0, var_69_arg_2=0, var_71=0, var_71_arg_0=0, var_71_arg_1=0, var_71_arg_2=0, var_73=0, var_73_arg_0=0, var_73_arg_1=0, var_74=0, var_74_arg_0=0, var_74_arg_1=0, var_75=1, var_76=0, var_76_arg_0=0, var_76_arg_1=1, var_77=0, var_77_arg_0=0, var_77_arg_1=1, var_78=0, var_78_arg_0=0, var_78_arg_1=0, var_78_arg_2=0, var_79=0, var_79_arg_0=0, var_79_arg_1=0, var_79_arg_2=0, var_81=34, var_81_arg_0=0, var_81_arg_1=0, var_81_arg_2=34, var_83=0, var_83_arg_0=0, var_83_arg_1=0, var_83_arg_2=0, var_9=0] [L81] input_2 = __VERIFIER_nondet_uchar() [L82] input_3 = __VERIFIER_nondet_uchar() [L83] input_4 = __VERIFIER_nondet_uchar() [L84] input_6 = __VERIFIER_nondet_uchar() [L85] input_7 = __VERIFIER_nondet_uchar() [L86] input_7 = input_7 & mask_SORT_5 [L87] input_8 = __VERIFIER_nondet_uchar() [L88] input_8 = input_8 & mask_SORT_5 [L89] input_27 = __VERIFIER_nondet_uchar() [L92] SORT_1 var_14_arg_0 = state_10; [L93] SORT_1 var_14_arg_1 = state_12; [L94] SORT_5 var_14 = var_14_arg_0 == var_14_arg_1; [L95] SORT_5 var_18_arg_0 = var_14; [L96] SORT_5 var_18 = ~var_18_arg_0; [L97] SORT_5 var_19_arg_0 = var_17; [L98] SORT_5 var_19_arg_1 = var_18; [L99] SORT_5 var_19 = var_19_arg_0 & var_19_arg_1; [L100] var_19 = var_19 & mask_SORT_5 [L101] SORT_5 bad_20_arg_0 = var_19; [L102] CALL __VERIFIER_assert(!(bad_20_arg_0)) [L21] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L102] RET __VERIFIER_assert(!(bad_20_arg_0)) [L104] SORT_5 var_52_arg_0 = input_8; [L105] SORT_5 var_52_arg_1 = var_17; [L106] SORT_5 var_52 = var_52_arg_0 == var_52_arg_1; [L107] SORT_5 var_53_arg_0 = var_52; [L108] SORT_1 var_53_arg_1 = var_9; [L109] SORT_1 var_53_arg_2 = state_41; [L110] SORT_1 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L111] var_53 = var_53 & mask_SORT_1 [L112] SORT_1 next_54_arg_1 = var_53; [L113] SORT_5 var_58_arg_0 = input_8; [L114] SORT_5 var_58_arg_1 = var_17; [L115] SORT_5 var_58 = var_58_arg_0 == var_58_arg_1; [L116] SORT_1 var_56_arg_0 = state_36; [L117] SORT_1 var_56_arg_1 = state_32; [L118] SORT_1 var_56 = var_56_arg_0 - var_56_arg_1; [L119] SORT_1 var_55_arg_0 = state_36; [L120] SORT_1 var_55_arg_1 = state_32; [L121] SORT_1 var_55 = var_55_arg_0 - var_55_arg_1; [L122] SORT_5 var_57_arg_0 = state_34; [L123] SORT_1 var_57_arg_1 = var_56; [L124] SORT_1 var_57_arg_2 = var_55; [L125] SORT_1 var_57 = var_57_arg_0 ? var_57_arg_1 : var_57_arg_2; [L126] SORT_5 var_59_arg_0 = var_58; [L127] SORT_1 var_59_arg_1 = var_9; [L128] SORT_1 var_59_arg_2 = var_57; [L129] SORT_1 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L130] var_59 = var_59 & mask_SORT_1 [L131] SORT_1 next_60_arg_1 = var_59; [L132] SORT_5 var_61_arg_0 = var_58; [L133] SORT_1 var_61_arg_1 = var_9; [L134] SORT_1 var_61_arg_2 = input_2; [L135] SORT_1 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; [L136] SORT_1 next_62_arg_1 = var_61; [L137] SORT_5 var_63_arg_0 = var_58; [L138] SORT_1 var_63_arg_1 = var_9; [L139] SORT_1 var_63_arg_2 = input_3; [L140] SORT_1 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L141] SORT_1 next_64_arg_1 = var_63; [L142] SORT_5 var_65_arg_0 = var_58; [L143] SORT_1 var_65_arg_1 = var_9; [L144] SORT_1 var_65_arg_2 = input_4; [L145] SORT_1 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L146] SORT_1 next_66_arg_1 = var_65; [L147] SORT_5 var_67_arg_0 = var_58; [L148] SORT_5 var_67_arg_1 = var_29; [L149] SORT_5 var_67_arg_2 = input_7; [L150] SORT_5 var_67 = var_67_arg_0 ? var_67_arg_1 : var_67_arg_2; [L151] SORT_5 next_68_arg_1 = var_67; [L152] SORT_5 var_69_arg_0 = var_58; [L153] SORT_1 var_69_arg_1 = var_9; [L154] SORT_1 var_69_arg_2 = state_25; [L155] SORT_1 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L156] SORT_1 next_70_arg_1 = var_69; [L157] SORT_5 var_71_arg_0 = var_58; [L158] SORT_5 var_71_arg_1 = var_29; [L159] SORT_5 var_71_arg_2 = state_30; [L160] SORT_5 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L161] var_71 = var_71 & mask_SORT_5 [L162] SORT_5 next_72_arg_1 = var_71; [L163] SORT_1 var_76_arg_0 = state_21; [L164] SORT_1 var_76_arg_1 = var_75; [L165] SORT_1 var_76 = var_76_arg_0 & var_76_arg_1; [L166] var_76 = var_76 & mask_SORT_1 [L167] SORT_1 var_77_arg_0 = var_76; [L168] SORT_1 var_77_arg_1 = var_75; [L169] SORT_5 var_77 = var_77_arg_0 == var_77_arg_1; [L170] SORT_1 var_74_arg_0 = state_21; [L171] SORT_1 var_74_arg_1 = state_23; [L172] SORT_1 var_74 = var_74_arg_0 + var_74_arg_1; [L173] SORT_1 var_73_arg_0 = state_21; [L174] SORT_1 var_73_arg_1 = state_23; [L175] SORT_1 var_73 = var_73_arg_0 - var_73_arg_1; [L176] SORT_5 var_78_arg_0 = var_77; [L177] SORT_1 var_78_arg_1 = var_74; [L178] SORT_1 var_78_arg_2 = var_73; [L179] SORT_1 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L180] SORT_5 var_79_arg_0 = var_58; [L181] SORT_1 var_79_arg_1 = var_9; [L182] SORT_1 var_79_arg_2 = var_78; [L183] SORT_1 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L184] SORT_1 next_80_arg_1 = var_79; [L185] SORT_1 var_45_arg_0 = input_2; [L186] SORT_5 var_45 = var_45_arg_0 >> 0; [L187] var_45 = var_45 & mask_SORT_5 [L188] SORT_1 var_44_arg_0 = input_2; [L189] SORT_1 var_44_arg_1 = input_3; [L190] SORT_1 var_44 = var_44_arg_0 + var_44_arg_1; [L191] SORT_1 var_43_arg_0 = input_2; [L192] SORT_1 var_43_arg_1 = input_3; [L193] SORT_1 var_43 = var_43_arg_0 - var_43_arg_1; [L194] SORT_5 var_46_arg_0 = var_45; [L195] SORT_1 var_46_arg_1 = var_44; [L196] SORT_1 var_46_arg_2 = var_43; [L197] SORT_1 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L198] SORT_1 var_48_arg_0 = var_46; [L199] SORT_1 var_48_arg_1 = input_4; [L200] SORT_1 var_48 = var_48_arg_0 + var_48_arg_1; [L201] SORT_1 var_47_arg_0 = var_46; [L202] SORT_1 var_47_arg_1 = input_4; [L203] SORT_1 var_47 = var_47_arg_0 - var_47_arg_1; [L204] SORT_5 var_49_arg_0 = input_7; [L205] SORT_1 var_49_arg_1 = var_48; [L206] SORT_1 var_49_arg_2 = var_47; [L207] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L208] SORT_5 var_81_arg_0 = var_52; [L209] SORT_1 var_81_arg_1 = var_9; [L210] SORT_1 var_81_arg_2 = var_49; [L211] SORT_1 var_81 = var_81_arg_0 ? var_81_arg_1 : var_81_arg_2; [L212] SORT_1 next_82_arg_1 = var_81; [L213] SORT_5 var_83_arg_0 = var_52; [L214] SORT_1 var_83_arg_1 = var_9; [L215] SORT_1 var_83_arg_2 = state_39; [L216] SORT_1 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L217] SORT_1 next_84_arg_1 = var_83; [L219] state_10 = next_54_arg_1 [L220] state_12 = next_60_arg_1 [L221] state_21 = next_62_arg_1 [L222] state_23 = next_64_arg_1 [L223] state_25 = next_66_arg_1 [L224] state_30 = next_68_arg_1 [L225] state_32 = next_70_arg_1 [L226] state_34 = next_72_arg_1 [L227] state_36 = next_80_arg_1 [L228] state_39 = next_82_arg_1 [L229] state_41 = next_84_arg_1 VAL [bad_20_arg_0=0, init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, input_2=0, input_3=0, input_4=0, input_7=0, input_8=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, next_54_arg_1=0, next_60_arg_1=0, next_62_arg_1=0, next_64_arg_1=0, next_66_arg_1=0, next_68_arg_1=0, next_70_arg_1=97, next_72_arg_1=1, next_80_arg_1=193, next_82_arg_1=0, next_84_arg_1=34, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=97, state_34=1, state_36=193, state_39=0, state_41=34, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=1, var_18=254, var_18_arg_0=1, var_19=0, var_19_arg_0=1, var_19_arg_1=254, var_29=0, var_43=0, var_43_arg_0=0, var_43_arg_1=0, var_44=0, var_44_arg_0=0, var_44_arg_1=0, var_45=0, var_45_arg_0=0, var_46=0, var_46_arg_0=0, var_46_arg_1=0, var_46_arg_2=0, var_47=0, var_47_arg_0=0, var_47_arg_1=0, var_48=0, var_48_arg_0=0, var_48_arg_1=0, var_49=0, var_49_arg_0=0, var_49_arg_1=0, var_49_arg_2=0, var_52=0, var_52_arg_0=0, var_52_arg_1=1, var_53=0, var_53_arg_0=0, var_53_arg_1=0, var_53_arg_2=0, var_55=0, var_55_arg_0=0, var_55_arg_1=0, var_56=0, var_56_arg_0=0, var_56_arg_1=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_57_arg_2=0, var_58=0, var_58_arg_0=0, var_58_arg_1=1, var_59=0, var_59_arg_0=0, var_59_arg_1=0, var_59_arg_2=0, var_61=0, var_61_arg_0=0, var_61_arg_1=0, var_61_arg_2=0, var_63=0, var_63_arg_0=0, var_63_arg_1=0, var_63_arg_2=0, var_65=0, var_65_arg_0=0, var_65_arg_1=0, var_65_arg_2=0, var_67=0, var_67_arg_0=0, var_67_arg_1=0, var_67_arg_2=0, var_69=97, var_69_arg_0=0, var_69_arg_1=0, var_69_arg_2=97, var_71=1, var_71_arg_0=0, var_71_arg_1=0, var_71_arg_2=1, var_73=189, var_73_arg_0=63, var_73_arg_1=130, var_74=193, var_74_arg_0=63, var_74_arg_1=130, var_75=1, var_76=1, var_76_arg_0=63, var_76_arg_1=1, var_77=1, var_77_arg_0=1, var_77_arg_1=1, var_78=193, var_78_arg_0=1, var_78_arg_1=193, var_78_arg_2=189, var_79=193, var_79_arg_0=0, var_79_arg_1=0, var_79_arg_2=193, var_81=0, var_81_arg_0=0, var_81_arg_1=0, var_81_arg_2=0, var_83=34, var_83_arg_0=0, var_83_arg_1=0, var_83_arg_2=34, var_9=0] [L81] input_2 = __VERIFIER_nondet_uchar() [L82] input_3 = __VERIFIER_nondet_uchar() [L83] input_4 = __VERIFIER_nondet_uchar() [L84] input_6 = __VERIFIER_nondet_uchar() [L85] input_7 = __VERIFIER_nondet_uchar() [L86] input_7 = input_7 & mask_SORT_5 [L87] input_8 = __VERIFIER_nondet_uchar() [L88] input_8 = input_8 & mask_SORT_5 [L89] input_27 = __VERIFIER_nondet_uchar() [L92] SORT_1 var_14_arg_0 = state_10; [L93] SORT_1 var_14_arg_1 = state_12; [L94] SORT_5 var_14 = var_14_arg_0 == var_14_arg_1; [L95] SORT_5 var_18_arg_0 = var_14; [L96] SORT_5 var_18 = ~var_18_arg_0; [L97] SORT_5 var_19_arg_0 = var_17; [L98] SORT_5 var_19_arg_1 = var_18; [L99] SORT_5 var_19 = var_19_arg_0 & var_19_arg_1; [L100] var_19 = var_19 & mask_SORT_5 [L101] SORT_5 bad_20_arg_0 = var_19; [L102] CALL __VERIFIER_assert(!(bad_20_arg_0)) [L21] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L102] RET __VERIFIER_assert(!(bad_20_arg_0)) [L104] SORT_5 var_52_arg_0 = input_8; [L105] SORT_5 var_52_arg_1 = var_17; [L106] SORT_5 var_52 = var_52_arg_0 == var_52_arg_1; [L107] SORT_5 var_53_arg_0 = var_52; [L108] SORT_1 var_53_arg_1 = var_9; [L109] SORT_1 var_53_arg_2 = state_41; [L110] SORT_1 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L111] var_53 = var_53 & mask_SORT_1 [L112] SORT_1 next_54_arg_1 = var_53; [L113] SORT_5 var_58_arg_0 = input_8; [L114] SORT_5 var_58_arg_1 = var_17; [L115] SORT_5 var_58 = var_58_arg_0 == var_58_arg_1; [L116] SORT_1 var_56_arg_0 = state_36; [L117] SORT_1 var_56_arg_1 = state_32; [L118] SORT_1 var_56 = var_56_arg_0 - var_56_arg_1; [L119] SORT_1 var_55_arg_0 = state_36; [L120] SORT_1 var_55_arg_1 = state_32; [L121] SORT_1 var_55 = var_55_arg_0 - var_55_arg_1; [L122] SORT_5 var_57_arg_0 = state_34; [L123] SORT_1 var_57_arg_1 = var_56; [L124] SORT_1 var_57_arg_2 = var_55; [L125] SORT_1 var_57 = var_57_arg_0 ? var_57_arg_1 : var_57_arg_2; [L126] SORT_5 var_59_arg_0 = var_58; [L127] SORT_1 var_59_arg_1 = var_9; [L128] SORT_1 var_59_arg_2 = var_57; [L129] SORT_1 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L130] var_59 = var_59 & mask_SORT_1 [L131] SORT_1 next_60_arg_1 = var_59; [L132] SORT_5 var_61_arg_0 = var_58; [L133] SORT_1 var_61_arg_1 = var_9; [L134] SORT_1 var_61_arg_2 = input_2; [L135] SORT_1 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; [L136] SORT_1 next_62_arg_1 = var_61; [L137] SORT_5 var_63_arg_0 = var_58; [L138] SORT_1 var_63_arg_1 = var_9; [L139] SORT_1 var_63_arg_2 = input_3; [L140] SORT_1 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L141] SORT_1 next_64_arg_1 = var_63; [L142] SORT_5 var_65_arg_0 = var_58; [L143] SORT_1 var_65_arg_1 = var_9; [L144] SORT_1 var_65_arg_2 = input_4; [L145] SORT_1 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L146] SORT_1 next_66_arg_1 = var_65; [L147] SORT_5 var_67_arg_0 = var_58; [L148] SORT_5 var_67_arg_1 = var_29; [L149] SORT_5 var_67_arg_2 = input_7; [L150] SORT_5 var_67 = var_67_arg_0 ? var_67_arg_1 : var_67_arg_2; [L151] SORT_5 next_68_arg_1 = var_67; [L152] SORT_5 var_69_arg_0 = var_58; [L153] SORT_1 var_69_arg_1 = var_9; [L154] SORT_1 var_69_arg_2 = state_25; [L155] SORT_1 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L156] SORT_1 next_70_arg_1 = var_69; [L157] SORT_5 var_71_arg_0 = var_58; [L158] SORT_5 var_71_arg_1 = var_29; [L159] SORT_5 var_71_arg_2 = state_30; [L160] SORT_5 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L161] var_71 = var_71 & mask_SORT_5 [L162] SORT_5 next_72_arg_1 = var_71; [L163] SORT_1 var_76_arg_0 = state_21; [L164] SORT_1 var_76_arg_1 = var_75; [L165] SORT_1 var_76 = var_76_arg_0 & var_76_arg_1; [L166] var_76 = var_76 & mask_SORT_1 [L167] SORT_1 var_77_arg_0 = var_76; [L168] SORT_1 var_77_arg_1 = var_75; [L169] SORT_5 var_77 = var_77_arg_0 == var_77_arg_1; [L170] SORT_1 var_74_arg_0 = state_21; [L171] SORT_1 var_74_arg_1 = state_23; [L172] SORT_1 var_74 = var_74_arg_0 + var_74_arg_1; [L173] SORT_1 var_73_arg_0 = state_21; [L174] SORT_1 var_73_arg_1 = state_23; [L175] SORT_1 var_73 = var_73_arg_0 - var_73_arg_1; [L176] SORT_5 var_78_arg_0 = var_77; [L177] SORT_1 var_78_arg_1 = var_74; [L178] SORT_1 var_78_arg_2 = var_73; [L179] SORT_1 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L180] SORT_5 var_79_arg_0 = var_58; [L181] SORT_1 var_79_arg_1 = var_9; [L182] SORT_1 var_79_arg_2 = var_78; [L183] SORT_1 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L184] SORT_1 next_80_arg_1 = var_79; [L185] SORT_1 var_45_arg_0 = input_2; [L186] SORT_5 var_45 = var_45_arg_0 >> 0; [L187] var_45 = var_45 & mask_SORT_5 [L188] SORT_1 var_44_arg_0 = input_2; [L189] SORT_1 var_44_arg_1 = input_3; [L190] SORT_1 var_44 = var_44_arg_0 + var_44_arg_1; [L191] SORT_1 var_43_arg_0 = input_2; [L192] SORT_1 var_43_arg_1 = input_3; [L193] SORT_1 var_43 = var_43_arg_0 - var_43_arg_1; [L194] SORT_5 var_46_arg_0 = var_45; [L195] SORT_1 var_46_arg_1 = var_44; [L196] SORT_1 var_46_arg_2 = var_43; [L197] SORT_1 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L198] SORT_1 var_48_arg_0 = var_46; [L199] SORT_1 var_48_arg_1 = input_4; [L200] SORT_1 var_48 = var_48_arg_0 + var_48_arg_1; [L201] SORT_1 var_47_arg_0 = var_46; [L202] SORT_1 var_47_arg_1 = input_4; [L203] SORT_1 var_47 = var_47_arg_0 - var_47_arg_1; [L204] SORT_5 var_49_arg_0 = input_7; [L205] SORT_1 var_49_arg_1 = var_48; [L206] SORT_1 var_49_arg_2 = var_47; [L207] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L208] SORT_5 var_81_arg_0 = var_52; [L209] SORT_1 var_81_arg_1 = var_9; [L210] SORT_1 var_81_arg_2 = var_49; [L211] SORT_1 var_81 = var_81_arg_0 ? var_81_arg_1 : var_81_arg_2; [L212] SORT_1 next_82_arg_1 = var_81; [L213] SORT_5 var_83_arg_0 = var_52; [L214] SORT_1 var_83_arg_1 = var_9; [L215] SORT_1 var_83_arg_2 = state_39; [L216] SORT_1 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L217] SORT_1 next_84_arg_1 = var_83; [L219] state_10 = next_54_arg_1 [L220] state_12 = next_60_arg_1 [L221] state_21 = next_62_arg_1 [L222] state_23 = next_64_arg_1 [L223] state_25 = next_66_arg_1 [L224] state_30 = next_68_arg_1 [L225] state_32 = next_70_arg_1 [L226] state_34 = next_72_arg_1 [L227] state_36 = next_80_arg_1 [L228] state_39 = next_82_arg_1 [L229] state_41 = next_84_arg_1 VAL [bad_20_arg_0=0, init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, input_2=0, input_3=0, input_4=0, input_7=0, input_8=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, next_54_arg_1=34, next_60_arg_1=96, next_62_arg_1=0, next_64_arg_1=0, next_66_arg_1=0, next_68_arg_1=0, next_70_arg_1=0, next_72_arg_1=0, next_80_arg_1=0, next_82_arg_1=0, next_84_arg_1=0, state_10=34, state_12=96, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=1, var_18=254, var_18_arg_0=1, var_19=0, var_19_arg_0=1, var_19_arg_1=254, var_29=0, var_43=0, var_43_arg_0=0, var_43_arg_1=0, var_44=0, var_44_arg_0=0, var_44_arg_1=0, var_45=0, var_45_arg_0=0, var_46=0, var_46_arg_0=0, var_46_arg_1=0, var_46_arg_2=0, var_47=0, var_47_arg_0=0, var_47_arg_1=0, var_48=0, var_48_arg_0=0, var_48_arg_1=0, var_49=0, var_49_arg_0=0, var_49_arg_1=0, var_49_arg_2=0, var_52=0, var_52_arg_0=0, var_52_arg_1=1, var_53=34, var_53_arg_0=0, var_53_arg_1=0, var_53_arg_2=34, var_55=96, var_55_arg_0=193, var_55_arg_1=97, var_56=96, var_56_arg_0=193, var_56_arg_1=97, var_57=96, var_57_arg_0=1, var_57_arg_1=96, var_57_arg_2=96, var_58=0, var_58_arg_0=0, var_58_arg_1=1, var_59=96, var_59_arg_0=0, var_59_arg_1=0, var_59_arg_2=96, var_61=0, var_61_arg_0=0, var_61_arg_1=0, var_61_arg_2=0, var_63=0, var_63_arg_0=0, var_63_arg_1=0, var_63_arg_2=0, var_65=0, var_65_arg_0=0, var_65_arg_1=0, var_65_arg_2=0, var_67=0, var_67_arg_0=0, var_67_arg_1=0, var_67_arg_2=0, var_69=0, var_69_arg_0=0, var_69_arg_1=0, var_69_arg_2=0, var_71=0, var_71_arg_0=0, var_71_arg_1=0, var_71_arg_2=0, var_73=0, var_73_arg_0=0, var_73_arg_1=0, var_74=0, var_74_arg_0=0, var_74_arg_1=0, var_75=1, var_76=0, var_76_arg_0=0, var_76_arg_1=1, var_77=0, var_77_arg_0=0, var_77_arg_1=1, var_78=0, var_78_arg_0=0, var_78_arg_1=0, var_78_arg_2=0, var_79=0, var_79_arg_0=0, var_79_arg_1=0, var_79_arg_2=0, var_81=0, var_81_arg_0=0, var_81_arg_1=0, var_81_arg_2=0, var_83=0, var_83_arg_0=0, var_83_arg_1=0, var_83_arg_2=0, var_9=0] [L81] input_2 = __VERIFIER_nondet_uchar() [L82] input_3 = __VERIFIER_nondet_uchar() [L83] input_4 = __VERIFIER_nondet_uchar() [L84] input_6 = __VERIFIER_nondet_uchar() [L85] input_7 = __VERIFIER_nondet_uchar() [L86] input_7 = input_7 & mask_SORT_5 [L87] input_8 = __VERIFIER_nondet_uchar() [L88] input_8 = input_8 & mask_SORT_5 [L89] input_27 = __VERIFIER_nondet_uchar() [L92] SORT_1 var_14_arg_0 = state_10; [L93] SORT_1 var_14_arg_1 = state_12; [L94] SORT_5 var_14 = var_14_arg_0 == var_14_arg_1; [L95] SORT_5 var_18_arg_0 = var_14; [L96] SORT_5 var_18 = ~var_18_arg_0; [L97] SORT_5 var_19_arg_0 = var_17; [L98] SORT_5 var_19_arg_1 = var_18; [L99] SORT_5 var_19 = var_19_arg_0 & var_19_arg_1; [L100] var_19 = var_19 & mask_SORT_5 [L101] SORT_5 bad_20_arg_0 = var_19; [L102] CALL __VERIFIER_assert(!(bad_20_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, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.0s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 62 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 50 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 12 mSDtfsCounter, 53 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=3, InterpolantAutomatonStates: 20, 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, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 10.7s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 38 ConstructedInterpolants, 13 QuantifiedInterpolants, 10800 SizeOfPredicates, 132 NumberOfNonLiveVariables, 573 ConjunctsInSsa, 141 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 0/18 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 proved your program to be incorrect! [2023-11-06 23:03:18,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e5638e4-be98-4ca0-9a26-29bce77a4262/bin/uautomizer-verify-WvqO1wxjHP/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE