./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/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_13eef542-ecf5-403e-83c6-125a15b7e2f9/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/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_13eef542-ecf5-403e-83c6-125a15b7e2f9/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 caa84a091b99b66a1da3990b205ee8e8e4cfa2478d32b035bf8784a52ef5640a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:03:39,202 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:03:39,321 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 22:03:39,332 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:03:39,332 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:03:39,374 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:03:39,375 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:03:39,376 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:03:39,377 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:03:39,379 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:03:39,380 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:03:39,381 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:03:39,381 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:03:39,382 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:03:39,382 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:03:39,383 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:03:39,383 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:03:39,384 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:03:39,384 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:03:39,385 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:03:39,385 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:03:39,393 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:03:39,394 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:03:39,395 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:03:39,395 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:03:39,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:03:39,396 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:03:39,396 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:03:39,397 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:03:39,397 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:03:39,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:03:39,399 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:03:39,399 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:03:39,399 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:03:39,400 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:03:39,400 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:03:39,400 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_13eef542-ecf5-403e-83c6-125a15b7e2f9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> caa84a091b99b66a1da3990b205ee8e8e4cfa2478d32b035bf8784a52ef5640a [2023-11-06 22:03:39,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:03:39,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:03:39,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:03:39,758 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:03:39,759 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:03:39,760 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c [2023-11-06 22:03:42,943 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:03:43,298 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:03:43,298 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c [2023-11-06 22:03:43,324 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/bin/uautomizer-verify-WvqO1wxjHP/data/54bd457a2/3f151c47413247c49997c7f95ed4f335/FLAG44c313003 [2023-11-06 22:03:43,342 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/bin/uautomizer-verify-WvqO1wxjHP/data/54bd457a2/3f151c47413247c49997c7f95ed4f335 [2023-11-06 22:03:43,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:03:43,350 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:03:43,354 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:03:43,356 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:03:43,362 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:03:43,365 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:03:43" (1/1) ... [2023-11-06 22:03:43,366 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cf09b40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:43, skipping insertion in model container [2023-11-06 22:03:43,366 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:03:43" (1/1) ... [2023-11-06 22:03:43,414 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:03:43,631 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_13eef542-ecf5-403e-83c6-125a15b7e2f9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c[1249,1262] [2023-11-06 22:03:43,761 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:03:43,773 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:03:43,786 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_13eef542-ecf5-403e-83c6-125a15b7e2f9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c[1249,1262] [2023-11-06 22:03:43,842 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:03:43,859 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:03:43,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:43 WrapperNode [2023-11-06 22:03:43,860 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:03:43,861 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:03:43,862 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:03:43,862 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:03:43,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:43" (1/1) ... [2023-11-06 22:03:43,903 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:43" (1/1) ... [2023-11-06 22:03:43,994 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 462 [2023-11-06 22:03:43,994 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:03:43,995 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:03:43,995 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:03:43,996 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:03:44,006 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:43" (1/1) ... [2023-11-06 22:03:44,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:43" (1/1) ... [2023-11-06 22:03:44,017 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:43" (1/1) ... [2023-11-06 22:03:44,017 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:43" (1/1) ... [2023-11-06 22:03:44,044 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:43" (1/1) ... [2023-11-06 22:03:44,050 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:43" (1/1) ... [2023-11-06 22:03:44,056 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:43" (1/1) ... [2023-11-06 22:03:44,063 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:43" (1/1) ... [2023-11-06 22:03:44,072 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:03:44,073 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:03:44,073 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:03:44,073 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:03:44,074 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:43" (1/1) ... [2023-11-06 22:03:44,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:03:44,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:03:44,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:03:44,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:03:44,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:03:44,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:03:44,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:03:44,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:03:44,358 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:03:44,360 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:03:45,209 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:03:45,218 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:03:45,219 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:03:45,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:03:45 BoogieIcfgContainer [2023-11-06 22:03:45,221 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:03:45,225 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:03:45,225 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:03:45,229 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:03:45,229 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:03:43" (1/3) ... [2023-11-06 22:03:45,230 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55d1a7d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:03:45, skipping insertion in model container [2023-11-06 22:03:45,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:43" (2/3) ... [2023-11-06 22:03:45,231 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55d1a7d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:03:45, skipping insertion in model container [2023-11-06 22:03:45,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:03:45" (3/3) ... [2023-11-06 22:03:45,233 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v1.c [2023-11-06 22:03:45,256 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:03:45,256 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:03:45,330 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:03:45,340 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;@65b437b9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:03:45,341 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:03:45,347 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 22:03:45,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-06 22:03:45,359 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:45,360 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, 1, 1] [2023-11-06 22:03:45,360 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:03:45,370 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:45,370 INFO L85 PathProgramCache]: Analyzing trace with hash -140115078, now seen corresponding path program 1 times [2023-11-06 22:03:45,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:45,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35315809] [2023-11-06 22:03:45,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:45,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:46,271 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 22:03:46,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:46,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35315809] [2023-11-06 22:03:46,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35315809] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:46,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:46,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:03:46,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846815513] [2023-11-06 22:03:46,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:46,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:03:46,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:46,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:03:46,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:03:46,336 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 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 22:03:46,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:46,417 INFO L93 Difference]: Finished difference Result 108 states and 174 transitions. [2023-11-06 22:03:46,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:03:46,421 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 39 [2023-11-06 22:03:46,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:46,430 INFO L225 Difference]: With dead ends: 108 [2023-11-06 22:03:46,430 INFO L226 Difference]: Without dead ends: 72 [2023-11-06 22:03:46,433 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 22:03:46,436 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 22:03:46,437 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 22:03:46,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-06 22:03:46,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-11-06 22:03:46,471 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 22:03:46,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 114 transitions. [2023-11-06 22:03:46,477 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 114 transitions. Word has length 39 [2023-11-06 22:03:46,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:46,480 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 114 transitions. [2023-11-06 22:03:46,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 22:03:46,480 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 114 transitions. [2023-11-06 22:03:46,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-06 22:03:46,482 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:46,482 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, 1, 1, 1] [2023-11-06 22:03:46,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:03:46,483 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:03:46,484 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:46,484 INFO L85 PathProgramCache]: Analyzing trace with hash -46874970, now seen corresponding path program 1 times [2023-11-06 22:03:46,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:46,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125835529] [2023-11-06 22:03:46,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:46,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:46,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:46,691 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 22:03:46,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:46,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125835529] [2023-11-06 22:03:46,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125835529] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:46,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:46,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:03:46,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240669009] [2023-11-06 22:03:46,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:46,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:03:46,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:46,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:03:46,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:03:46,697 INFO L87 Difference]: Start difference. First operand 72 states and 114 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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 22:03:46,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:46,752 INFO L93 Difference]: Finished difference Result 109 states and 170 transitions. [2023-11-06 22:03:46,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:03:46,754 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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 40 [2023-11-06 22:03:46,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:46,756 INFO L225 Difference]: With dead ends: 109 [2023-11-06 22:03:46,757 INFO L226 Difference]: Without dead ends: 75 [2023-11-06 22:03:46,758 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 22:03:46,761 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 22:03:46,762 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 22:03:46,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-06 22:03:46,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 74. [2023-11-06 22:03:46,770 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 22:03:46,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 116 transitions. [2023-11-06 22:03:46,771 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 116 transitions. Word has length 40 [2023-11-06 22:03:46,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:46,772 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 116 transitions. [2023-11-06 22:03:46,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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 22:03:46,772 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 116 transitions. [2023-11-06 22:03:46,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-06 22:03:46,774 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:46,774 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, 1, 1, 1, 1] [2023-11-06 22:03:46,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:03:46,775 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:03:46,775 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:46,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1663556332, now seen corresponding path program 1 times [2023-11-06 22:03:46,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:46,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375106519] [2023-11-06 22:03:46,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:46,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:46,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:47,177 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 22:03:47,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:47,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375106519] [2023-11-06 22:03:47,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375106519] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:47,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:47,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:03:47,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256290278] [2023-11-06 22:03:47,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:47,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:03:47,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:47,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:03:47,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:03:47,181 INFO L87 Difference]: Start difference. First operand 74 states and 116 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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 22:03:47,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:47,238 INFO L93 Difference]: Finished difference Result 118 states and 184 transitions. [2023-11-06 22:03:47,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:03:47,239 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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 41 [2023-11-06 22:03:47,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:47,245 INFO L225 Difference]: With dead ends: 118 [2023-11-06 22:03:47,245 INFO L226 Difference]: Without dead ends: 82 [2023-11-06 22:03:47,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:03:47,254 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 125 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:47,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 273 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:03:47,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-11-06 22:03:47,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 72. [2023-11-06 22:03:47,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 71 states have (on average 1.5774647887323943) internal successors, (112), 71 states have internal predecessors, (112), 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 22:03:47,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 112 transitions. [2023-11-06 22:03:47,268 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 112 transitions. Word has length 41 [2023-11-06 22:03:47,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:47,269 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 112 transitions. [2023-11-06 22:03:47,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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 22:03:47,269 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 112 transitions. [2023-11-06 22:03:47,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-06 22:03:47,276 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:47,276 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, 1, 1, 1, 1] [2023-11-06 22:03:47,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:03:47,277 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:03:47,279 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:47,279 INFO L85 PathProgramCache]: Analyzing trace with hash 111451030, now seen corresponding path program 1 times [2023-11-06 22:03:47,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:47,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69517725] [2023-11-06 22:03:47,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:47,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:47,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:03:47,352 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:03:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:03:47,432 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:03:47,432 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:03:47,434 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:03:47,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:03:47,440 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-06 22:03:47,443 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:03:47,496 WARN L316 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-06 22:03:47,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:03:47 BoogieIcfgContainer [2023-11-06 22:03:47,510 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:03:47,511 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:03:47,511 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:03:47,511 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:03:47,512 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:03:45" (3/4) ... [2023-11-06 22:03:47,514 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:03:47,516 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:03:47,517 INFO L158 Benchmark]: Toolchain (without parser) took 4166.32ms. Allocated memory was 155.2MB in the beginning and 195.0MB in the end (delta: 39.8MB). Free memory was 107.6MB in the beginning and 132.0MB in the end (delta: -24.4MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2023-11-06 22:03:47,517 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 155.2MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:03:47,518 INFO L158 Benchmark]: CACSL2BoogieTranslator took 506.16ms. Allocated memory is still 155.2MB. Free memory was 107.6MB in the beginning and 91.6MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:03:47,518 INFO L158 Benchmark]: Boogie Procedure Inliner took 133.35ms. Allocated memory is still 155.2MB. Free memory was 91.6MB in the beginning and 82.8MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 22:03:47,519 INFO L158 Benchmark]: Boogie Preprocessor took 77.00ms. Allocated memory is still 155.2MB. Free memory was 82.8MB in the beginning and 79.3MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:03:47,519 INFO L158 Benchmark]: RCFGBuilder took 1148.66ms. Allocated memory was 155.2MB in the beginning and 195.0MB in the end (delta: 39.8MB). Free memory was 79.3MB in the beginning and 128.4MB in the end (delta: -49.1MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2023-11-06 22:03:47,520 INFO L158 Benchmark]: TraceAbstraction took 2285.45ms. Allocated memory is still 195.0MB. Free memory was 127.5MB in the beginning and 132.0MB in the end (delta: -4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:03:47,520 INFO L158 Benchmark]: Witness Printer took 4.86ms. Allocated memory is still 195.0MB. Free memory is still 132.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:03:47,523 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64ms. Allocated memory is still 155.2MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 506.16ms. Allocated memory is still 155.2MB. Free memory was 107.6MB in the beginning and 91.6MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 133.35ms. Allocated memory is still 155.2MB. Free memory was 91.6MB in the beginning and 82.8MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.00ms. Allocated memory is still 155.2MB. Free memory was 82.8MB in the beginning and 79.3MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1148.66ms. Allocated memory was 155.2MB in the beginning and 195.0MB in the end (delta: 39.8MB). Free memory was 79.3MB in the beginning and 128.4MB in the end (delta: -49.1MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2285.45ms. Allocated memory is still 195.0MB. Free memory was 127.5MB in the beginning and 132.0MB in the end (delta: -4.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.86ms. Allocated memory is still 195.0MB. Free memory is still 132.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 102. 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_10 = 0; [L33] const SORT_5 var_18 = 1; [L34] const SORT_5 var_28 = 0; [L36] SORT_1 input_2; [L37] SORT_1 input_3; [L38] SORT_1 input_4; [L39] SORT_5 input_6; [L40] SORT_5 input_7; [L41] SORT_5 input_8; [L42] SORT_5 input_9; [L44] 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_10=0, var_18=1, var_28=0] [L44] SORT_1 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_1; [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, state_11=0, var_10=0, var_18=1, var_28=0] [L45] SORT_1 state_13 = __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_11=0, state_13=0, var_10=0, var_18=1, var_28=0] [L46] SORT_1 state_22 = __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_11=0, state_13=0, state_22=0, var_10=0, var_18=1, var_28=0] [L47] SORT_1 state_24 = __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_11=0, state_13=0, state_22=0, state_24=0, var_10=0, var_18=1, var_28=0] [L48] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L49] 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_11=0, state_13=0, state_22=0, state_24=0, state_26=0, var_10=0, var_18=1, var_28=0] [L49] SORT_5 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_5; [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_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, var_10=0, var_18=1, var_28=0] [L50] SORT_5 state_31 = __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_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, var_10=0, var_18=1, var_28=0] [L51] SORT_1 state_33 = __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_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, var_10=0, var_18=1, var_28=0] [L52] SORT_5 state_35 = __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_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, var_10=0, var_18=1, var_28=0] [L53] SORT_1 state_37 = __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_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, var_10=0, var_18=1, var_28=0] [L54] SORT_1 state_40 = __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_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, var_10=0, var_18=1, var_28=0] [L55] SORT_1 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L57] SORT_1 init_12_arg_1 = var_10; [L58] state_11 = init_12_arg_1 [L59] SORT_1 init_14_arg_1 = var_10; [L60] state_13 = init_14_arg_1 [L61] SORT_1 init_23_arg_1 = var_10; [L62] state_22 = init_23_arg_1 [L63] SORT_1 init_25_arg_1 = var_10; [L64] state_24 = init_25_arg_1 [L65] SORT_1 init_27_arg_1 = var_10; [L66] state_26 = init_27_arg_1 [L67] SORT_5 init_30_arg_1 = var_28; [L68] state_29 = init_30_arg_1 [L69] SORT_5 init_32_arg_1 = var_28; [L70] state_31 = init_32_arg_1 [L71] SORT_1 init_34_arg_1 = var_10; [L72] state_33 = init_34_arg_1 [L73] SORT_5 init_36_arg_1 = var_28; [L74] state_35 = init_36_arg_1 [L75] SORT_1 init_38_arg_1 = var_10; [L76] state_37 = init_38_arg_1 [L77] SORT_1 init_41_arg_1 = var_10; [L78] state_40 = init_41_arg_1 [L79] SORT_1 init_43_arg_1 = var_10; [L80] state_42 = init_43_arg_1 VAL [init_12_arg_1=0, init_14_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0] [L83] input_2 = __VERIFIER_nondet_uchar() [L84] input_3 = __VERIFIER_nondet_uchar() [L85] input_4 = __VERIFIER_nondet_uchar() [L86] input_6 = __VERIFIER_nondet_uchar() [L87] input_7 = __VERIFIER_nondet_uchar() [L88] EXPR input_7 & mask_SORT_5 VAL [init_12_arg_1=0, init_14_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_41_arg_1=0, init_43_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_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0] [L88] input_7 = input_7 & mask_SORT_5 [L89] input_8 = __VERIFIER_nondet_uchar() [L90] EXPR input_8 & mask_SORT_5 VAL [init_12_arg_1=0, init_14_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_41_arg_1=0, init_43_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_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0] [L90] input_8 = input_8 & mask_SORT_5 [L91] input_9 = __VERIFIER_nondet_uchar() [L92] EXPR input_9 & mask_SORT_5 VAL [init_12_arg_1=0, init_14_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, input_7=0, input_8=0, input_9 & mask_SORT_5=0, input_9=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0] [L92] input_9 = input_9 & mask_SORT_5 [L95] SORT_1 var_15_arg_0 = state_11; [L96] SORT_1 var_15_arg_1 = state_13; [L97] SORT_5 var_15 = var_15_arg_0 == var_15_arg_1; [L98] SORT_5 var_19_arg_0 = var_15; [L99] SORT_5 var_19 = ~var_19_arg_0; [L100] SORT_5 var_20_arg_0 = var_18; [L101] SORT_5 var_20_arg_1 = var_19; VAL [init_12_arg_1=0, init_14_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_18=1, var_19=254, var_19_arg_0=1, var_20_arg_0=1, var_20_arg_1=254, var_28=0] [L102] EXPR var_20_arg_0 & var_20_arg_1 VAL [init_12_arg_1=0, init_14_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_18=1, var_19=254, var_19_arg_0=1, var_20_arg_0 & var_20_arg_1=1, var_20_arg_0=1, var_20_arg_1=254, var_28=0] [L102] SORT_5 var_20 = var_20_arg_0 & var_20_arg_1; [L103] EXPR var_20 & mask_SORT_5 VAL [init_12_arg_1=0, init_14_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_18=1, var_19=254, var_19_arg_0=1, var_20 & mask_SORT_5=1, var_20=1, var_20_arg_0=1, var_20_arg_1=254, var_28=0] [L103] var_20 = var_20 & mask_SORT_5 [L104] SORT_5 bad_21_arg_0 = var_20; [L105] CALL __VERIFIER_assert(!(bad_21_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: 2.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 127 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 127 mSDsluCounter, 918 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 578 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32 IncrementalHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 340 mSDtfsCounter, 32 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 161 NumberOfCodeBlocks, 161 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 117 ConstructedInterpolants, 0 QuantifiedInterpolants, 222 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 22:03:47,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/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_13eef542-ecf5-403e-83c6-125a15b7e2f9/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/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_13eef542-ecf5-403e-83c6-125a15b7e2f9/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 caa84a091b99b66a1da3990b205ee8e8e4cfa2478d32b035bf8784a52ef5640a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:03:50,418 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:03:50,545 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-06 22:03:50,553 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:03:50,554 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:03:50,599 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:03:50,600 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:03:50,600 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:03:50,601 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:03:50,606 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:03:50,607 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:03:50,608 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:03:50,608 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:03:50,611 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:03:50,611 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:03:50,612 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:03:50,612 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:03:50,613 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:03:50,613 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:03:50,613 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:03:50,614 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:03:50,614 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:03:50,615 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:03:50,615 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:03:50,616 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:03:50,616 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:03:50,617 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:03:50,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:03:50,617 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:03:50,618 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:03:50,619 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:03:50,619 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:03:50,620 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:03:50,620 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:03:50,620 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:03:50,621 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:03:50,621 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:03:50,621 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:03:50,621 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:03:50,622 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_13eef542-ecf5-403e-83c6-125a15b7e2f9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> caa84a091b99b66a1da3990b205ee8e8e4cfa2478d32b035bf8784a52ef5640a [2023-11-06 22:03:51,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:03:51,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:03:51,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:03:51,063 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:03:51,065 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:03:51,067 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c [2023-11-06 22:03:54,287 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:03:54,621 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:03:54,622 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c [2023-11-06 22:03:54,634 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/bin/uautomizer-verify-WvqO1wxjHP/data/c09d05a63/4bb68e88050f45c0b180c43e54ef5383/FLAG51ab7f84d [2023-11-06 22:03:54,654 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/bin/uautomizer-verify-WvqO1wxjHP/data/c09d05a63/4bb68e88050f45c0b180c43e54ef5383 [2023-11-06 22:03:54,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:03:54,660 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:03:54,662 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:03:54,662 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:03:54,668 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:03:54,669 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:03:54" (1/1) ... [2023-11-06 22:03:54,671 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75fac1ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:54, skipping insertion in model container [2023-11-06 22:03:54,671 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:03:54" (1/1) ... [2023-11-06 22:03:54,715 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:03:54,909 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_13eef542-ecf5-403e-83c6-125a15b7e2f9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c[1249,1262] [2023-11-06 22:03:55,020 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:03:55,045 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:03:55,064 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_13eef542-ecf5-403e-83c6-125a15b7e2f9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c[1249,1262] [2023-11-06 22:03:55,158 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:03:55,189 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:03:55,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:55 WrapperNode [2023-11-06 22:03:55,191 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:03:55,192 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:03:55,193 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:03:55,193 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:03:55,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:55" (1/1) ... [2023-11-06 22:03:55,244 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:55" (1/1) ... [2023-11-06 22:03:55,296 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 252 [2023-11-06 22:03:55,297 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:03:55,299 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:03:55,300 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:03:55,300 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:03:55,311 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:55" (1/1) ... [2023-11-06 22:03:55,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:55" (1/1) ... [2023-11-06 22:03:55,336 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:55" (1/1) ... [2023-11-06 22:03:55,336 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:55" (1/1) ... [2023-11-06 22:03:55,347 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:55" (1/1) ... [2023-11-06 22:03:55,363 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:55" (1/1) ... [2023-11-06 22:03:55,384 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:55" (1/1) ... [2023-11-06 22:03:55,387 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:55" (1/1) ... [2023-11-06 22:03:55,392 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:03:55,398 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:03:55,398 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:03:55,398 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:03:55,399 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:55" (1/1) ... [2023-11-06 22:03:55,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:03:55,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:03:55,440 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:03:55,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:03:55,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:03:55,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:03:55,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:03:55,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:03:55,697 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:03:55,701 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:03:56,222 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:03:56,228 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:03:56,228 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:03:56,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:03:56 BoogieIcfgContainer [2023-11-06 22:03:56,231 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:03:56,243 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:03:56,243 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:03:56,247 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:03:56,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:03:54" (1/3) ... [2023-11-06 22:03:56,251 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27639f29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:03:56, skipping insertion in model container [2023-11-06 22:03:56,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:55" (2/3) ... [2023-11-06 22:03:56,253 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27639f29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:03:56, skipping insertion in model container [2023-11-06 22:03:56,254 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:03:56" (3/3) ... [2023-11-06 22:03:56,255 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v1.c [2023-11-06 22:03:56,279 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:03:56,279 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:03:56,330 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:03:56,338 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;@ed2a050, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:03:56,339 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:03:56,343 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 22:03:56,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-06 22:03:56,364 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:56,365 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 22:03:56,367 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:03:56,375 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:56,376 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2023-11-06 22:03:56,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:03:56,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [756718085] [2023-11-06 22:03:56,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:56,396 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 22:03:56,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:03:56,402 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/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 22:03:56,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/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 22:03:56,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:56,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-06 22:03:56,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:03:56,845 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 22:03:56,845 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:03:56,846 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:03:56,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [756718085] [2023-11-06 22:03:56,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [756718085] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:56,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:56,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:03:56,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65896784] [2023-11-06 22:03:56,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:56,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:03:56,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:03:56,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:03:56,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:03:56,896 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 22:03:56,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:56,987 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2023-11-06 22:03:56,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:03:56,990 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 22:03:56,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:56,999 INFO L225 Difference]: With dead ends: 19 [2023-11-06 22:03:57,000 INFO L226 Difference]: Without dead ends: 10 [2023-11-06 22:03:57,003 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 22:03:57,007 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 22:03:57,009 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 22:03:57,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-06 22:03:57,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2023-11-06 22:03:57,045 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 22:03:57,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-06 22:03:57,048 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2023-11-06 22:03:57,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:57,049 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-06 22:03:57,050 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 22:03:57,050 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-06 22:03:57,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-06 22:03:57,051 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:57,051 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:57,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/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 22:03:57,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/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 22:03:57,276 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:03:57,276 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:57,277 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2023-11-06 22:03:57,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:03:57,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1971629225] [2023-11-06 22:03:57,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:57,279 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 22:03:57,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:03:57,281 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/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 22:03:57,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/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 22:03:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:57,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-06 22:03:57,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:03:58,451 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 22:03:58,451 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:03:59,782 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 22:03:59,782 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:03:59,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1971629225] [2023-11-06 22:03:59,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1971629225] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:03:59,784 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:03:59,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-06 22:03:59,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685290376] [2023-11-06 22:03:59,787 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:03:59,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:03:59,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:03:59,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:03:59,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:03:59,790 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 22:04:00,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:04:00,010 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2023-11-06 22:04:00,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:04:00,011 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 22:04:00,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:04:00,011 INFO L225 Difference]: With dead ends: 15 [2023-11-06 22:04:00,011 INFO L226 Difference]: Without dead ends: 13 [2023-11-06 22:04:00,012 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:04:00,014 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 22:04:00,014 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 22:04:00,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-11-06 22:04:00,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2023-11-06 22:04:00,018 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 22:04:00,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-06 22:04:00,019 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2023-11-06 22:04:00,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:04:00,019 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2023-11-06 22:04:00,020 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 22:04:00,020 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-06 22:04:00,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-06 22:04:00,020 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:04:00,021 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2023-11-06 22:04:00,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/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 22:04:00,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/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 22:04:00,222 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:04:00,222 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:00,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2023-11-06 22:04:00,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:04:00,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [345667276] [2023-11-06 22:04:00,224 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:04:00,224 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 22:04:00,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:04:00,226 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/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 22:04:00,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/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 22:04:00,496 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 22:04:00,503 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:04:00,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 72 conjunts are in the unsatisfiable core [2023-11-06 22:04:00,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:04:01,299 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 22:04:01,299 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:04:06,561 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 22:04:06,561 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:04:06,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [345667276] [2023-11-06 22:04:06,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [345667276] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:04:06,567 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:04:06,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-06 22:04:06,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487336116] [2023-11-06 22:04:06,572 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:04:06,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:04:06,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:04:06,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:04:06,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:04:06,578 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 22:04:06,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:04:06,950 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2023-11-06 22:04:06,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:04:06,955 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 22:04:06,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:04:06,956 INFO L225 Difference]: With dead ends: 18 [2023-11-06 22:04:06,956 INFO L226 Difference]: Without dead ends: 16 [2023-11-06 22:04:06,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:04:06,958 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 22:04:06,959 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 22:04:06,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2023-11-06 22:04:06,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2023-11-06 22:04:06,963 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 22:04:06,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2023-11-06 22:04:06,964 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2023-11-06 22:04:06,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:04:06,964 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2023-11-06 22:04:06,965 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 22:04:06,965 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2023-11-06 22:04:06,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-06 22:04:06,966 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:04:06,966 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2023-11-06 22:04:06,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/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 22:04:07,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/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 22:04:07,180 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:04:07,180 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:07,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2023-11-06 22:04:07,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:04:07,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1149053981] [2023-11-06 22:04:07,182 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-06 22:04:07,182 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 22:04:07,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:04:07,184 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/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 22:04:07,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/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 22:04:08,008 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-11-06 22:04:08,009 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:04:08,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 151 conjunts are in the unsatisfiable core [2023-11-06 22:04:08,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:04:14,427 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:04:14,428 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:04:44,235 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:04:44,236 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:04:44,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1149053981] [2023-11-06 22:04:44,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1149053981] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:04:44,237 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:04:44,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2023-11-06 22:04:44,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576581224] [2023-11-06 22:04:44,237 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:04:44,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-06 22:04:44,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:04:44,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-06 22:04:44,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=250, Unknown=4, NotChecked=0, Total=306 [2023-11-06 22:04:44,240 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 18 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 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 22:04:50,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2023-11-06 22:04:52,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2023-11-06 22:04:54,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2023-11-06 22:05:00,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:05:00,623 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2023-11-06 22:05:00,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:05:00,625 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 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 14 [2023-11-06 22:05:00,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:05:00,626 INFO L225 Difference]: With dead ends: 15 [2023-11-06 22:05:00,626 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:05:00,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 23.5s TimeCoverageRelationStatistics Valid=97, Invalid=315, Unknown=8, NotChecked=0, Total=420 [2023-11-06 22:05:00,628 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 8 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:05:00,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 15 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 10 Invalid, 3 Unknown, 0 Unchecked, 6.2s Time] [2023-11-06 22:05:00,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:05:00,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:05:00,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 22:05:00,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:05:00,631 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2023-11-06 22:05:00,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:05:00,631 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:05:00,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 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 22:05:00,632 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:05:00,632 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:05:00,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:05:00,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/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 22:05:00,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/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 22:05:00,838 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:05:11,295 WARN L293 SmtUtils]: Spent 10.37s on a formula simplification. DAG size of input: 398 DAG size of output: 275 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-11-06 22:05:11,306 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:05:11,306 INFO L899 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed. [2023-11-06 22:05:11,307 INFO L899 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed. [2023-11-06 22:05:11,307 INFO L899 garLoopResultBuilder]: For program point L21-3(line 21) no Hoare annotation was computed. [2023-11-06 22:05:11,309 INFO L895 garLoopResultBuilder]: At program point L81-2(lines 81 230) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~var_10~0#1| (_ bv0 8))) (.cse3 (= |ULTIMATE.start_main_~var_28~0#1| (_ bv0 8))) (.cse5 (= (_ bv0 8) |ULTIMATE.start_main_~state_35~0#1|)) (.cse4 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_5~0#1|)) (.cse6 (= (bvadd (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|) (_ bv0 8))) (.cse7 (= (_ bv1 8) |ULTIMATE.start_main_~var_18~0#1|)) (.cse2 (= (_ bv0 8) |ULTIMATE.start_main_~state_29~0#1|)) (.cse1 (= (_ bv0 8) |ULTIMATE.start_main_~state_31~0#1|))) (or (and (= (_ bv0 8) |ULTIMATE.start_main_~state_26~0#1|) .cse0 .cse1 (= (_ bv0 8) |ULTIMATE.start_main_~state_22~0#1|) .cse2 .cse3 (= (_ bv0 8) |ULTIMATE.start_main_~state_11~0#1|) .cse4 (= (_ bv0 8) |ULTIMATE.start_main_~state_24~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_40~0#1|) .cse5 (= (_ bv0 8) |ULTIMATE.start_main_~state_13~0#1|) .cse6 (= (_ bv0 8) |ULTIMATE.start_main_~state_37~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_33~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_42~0#1|) .cse7) (let ((.cse8 (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~state_31~0#1|))) (_ bv1 32))) (_ bv0 8))) (.cse11 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~state_26~0#1|))))) (let ((.cse12 (bvneg .cse11)) (.cse13 (not .cse8)) (.cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~state_40~0#1|))))) (_ bv255 32))))) (.cse14 ((_ zero_extend 24) |ULTIMATE.start_main_~state_22~0#1|)) (.cse15 ((_ zero_extend 24) |ULTIMATE.start_main_~state_24~0#1|))) (and (or (let ((.cse10 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse14 (bvneg .cse15)))))))))) (and (or .cse8 (= .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse10 .cse11)))))))))))) (or (= .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse10 .cse12))))))) (_ bv255 32))))) .cse13))) (not .cse2)) .cse0 .cse3 (exists ((|v_ULTIMATE.start_main_#t~nondet21#1_23| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet21#1_23|) (_ bv1 32))) |ULTIMATE.start_main_~input_8~0#1|)) (or (and (exists ((|ULTIMATE.start_main_~var_63_arg_2~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_47_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_61_arg_2~0#1| (_ BitVec 8))) (let ((.cse16 ((_ zero_extend 24) |ULTIMATE.start_main_~var_47_arg_1~0#1|)) (.cse17 ((_ zero_extend 24) |ULTIMATE.start_main_~var_61_arg_2~0#1|)) (.cse18 ((_ zero_extend 24) |ULTIMATE.start_main_~var_63_arg_2~0#1|))) (and (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse16))) |ULTIMATE.start_main_~state_33~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse16 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse17 .cse18))))))))))))) |ULTIMATE.start_main_~state_42~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) .cse17)) ((_ zero_extend 24) ((_ extract 7 0) .cse18)))))))) |ULTIMATE.start_main_~state_37~0#1|)))) (exists ((|v_ULTIMATE.start_main_#t~nondet21#1_23| (_ BitVec 8))) (let ((.cse19 ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet21#1_23|) (_ bv1 32))))) (and (not (= .cse19 (_ bv0 8))) (= ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) .cse19))))))) |ULTIMATE.start_main_~state_35~0#1|))))) (and (exists ((|ULTIMATE.start_main_~var_63_arg_2~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_47_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_61_arg_2~0#1| (_ BitVec 8))) (let ((.cse20 ((_ zero_extend 24) |ULTIMATE.start_main_~var_47_arg_1~0#1|)) (.cse22 ((_ zero_extend 24) |ULTIMATE.start_main_~var_63_arg_2~0#1|)) (.cse21 ((_ zero_extend 24) |ULTIMATE.start_main_~var_61_arg_2~0#1|))) (and (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse20))) |ULTIMATE.start_main_~state_33~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse21 (bvneg .cse22)))))) (bvneg .cse20))))))))) |ULTIMATE.start_main_~state_42~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd (bvneg ((_ zero_extend 24) ((_ extract 7 0) .cse22))) ((_ zero_extend 24) ((_ extract 7 0) .cse21)))))))) |ULTIMATE.start_main_~state_37~0#1|)))) .cse5)) .cse4 (exists ((|v_ULTIMATE.start_main_#t~nondet22#1_24| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet22#1_24|) (_ bv1 32))) |ULTIMATE.start_main_~input_9~0#1|)) .cse6 .cse7 (or .cse2 (let ((.cse23 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse14 .cse15))))))))) (and (or (= .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse12 .cse23))))))) (_ bv255 32))))) .cse13) (or .cse8 (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse23 .cse11))))))) (_ bv255 32)))) .cse9))))) (exists ((|v_ULTIMATE.start_main_#t~nondet20#1_23| (_ BitVec 8))) (= |ULTIMATE.start_main_~input_7~0#1| ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet20#1_23|) (_ bv1 32))))) (let ((.cse24 (or (exists ((|v_ULTIMATE.start_main_#t~nondet21#1_23| (_ BitVec 8))) (let ((.cse26 ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet21#1_23|) (_ bv1 32))))) (and (not (= .cse26 (_ bv0 8))) (= |ULTIMATE.start_main_~state_31~0#1| ((_ extract 7 0) ((_ zero_extend 24) .cse26)))))) .cse1))) (or (and .cse24 .cse2) (and .cse24 (exists ((|v_ULTIMATE.start_main_#t~nondet20#1_23| (_ BitVec 8))) (let ((.cse25 ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet20#1_23|) (_ bv1 32))))) (and (not (= .cse25 (_ bv0 8))) (= ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) .cse25))))) |ULTIMATE.start_main_~state_29~0#1|))))))) (exists ((|ULTIMATE.start_main_~var_63_arg_2~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_47_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_61_arg_2~0#1| (_ BitVec 8))) (let ((.cse29 ((_ zero_extend 24) |ULTIMATE.start_main_~var_61_arg_2~0#1|)) (.cse28 ((_ zero_extend 24) |ULTIMATE.start_main_~var_63_arg_2~0#1|)) (.cse27 ((_ zero_extend 24) |ULTIMATE.start_main_~var_47_arg_1~0#1|))) (and (= ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse27)))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd (bvneg ((_ zero_extend 24) ((_ extract 7 0) .cse28))) ((_ zero_extend 24) ((_ extract 7 0) .cse29)))))))))))))))))) |ULTIMATE.start_main_~state_13~0#1|) (= ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse29 (bvneg .cse28)))))) .cse27))))))))))))) |ULTIMATE.start_main_~state_11~0#1|))))))))) [2023-11-06 22:05:11,309 INFO L899 garLoopResultBuilder]: For program point L81-3(lines 81 230) no Hoare annotation was computed. [2023-11-06 22:05:11,309 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:05:11,310 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 23 232) the Hoare annotation is: false [2023-11-06 22:05:11,310 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:05:11,310 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:05:11,310 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2023-11-06 22:05:11,314 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1] [2023-11-06 22:05:11,316 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:05:11,337 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_23 : bv8 :: ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0] == ~input_8~0) could not be translated [2023-11-06 22:05:11,338 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_33~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0])[7:0] == ~state_42~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_37~0) could not be translated [2023-11-06 22:05:11,338 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_23 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0] == 0bv8) && ~bvand~32(1bv32, ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0])[7:0])[7:0]))[7:0] == ~state_35~0) could not be translated [2023-11-06 22:05:11,338 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_33~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0])[7:0] == ~state_42~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0])), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_37~0) could not be translated [2023-11-06 22:05:11,339 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet22#1_24 : bv8 :: ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet22#1_24), 1bv32)[7:0] == ~input_9~0) could not be translated [2023-11-06 22:05:11,340 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_23 : bv8 :: ~input_7~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_23), 1bv32)[7:0]) could not be translated [2023-11-06 22:05:11,341 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_23 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0] == 0bv8) && ~state_31~0 == ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0])[7:0]) could not be translated [2023-11-06 22:05:11,341 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_23 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0] == 0bv8) && ~state_31~0 == ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0])[7:0]) could not be translated [2023-11-06 22:05:11,341 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_23 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_23), 1bv32)[7:0] == 0bv8) && ~bvand~32(1bv32, ~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_23), 1bv32)[7:0])[7:0]))[7:0] == ~state_29~0) could not be translated [2023-11-06 22:05:11,341 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ~bvand~32(255bv32, ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0]), ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0])), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0]))[7:0])[7:0])[7:0]))[7:0] == ~state_13~0 && ~bvand~32(255bv32, ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0])[7:0])[7:0]))[7:0] == ~state_11~0) could not be translated [2023-11-06 22:05:11,345 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_23 : bv8 :: ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0] == ~input_8~0) could not be translated [2023-11-06 22:05:11,345 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_33~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0])[7:0] == ~state_42~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_37~0) could not be translated [2023-11-06 22:05:11,345 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_23 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0] == 0bv8) && ~bvand~32(1bv32, ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0])[7:0])[7:0]))[7:0] == ~state_35~0) could not be translated [2023-11-06 22:05:11,345 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_33~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0])[7:0] == ~state_42~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0])), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_37~0) could not be translated [2023-11-06 22:05:11,346 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet22#1_24 : bv8 :: ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet22#1_24), 1bv32)[7:0] == ~input_9~0) could not be translated [2023-11-06 22:05:11,347 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_23 : bv8 :: ~input_7~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_23), 1bv32)[7:0]) could not be translated [2023-11-06 22:05:11,348 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_23 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0] == 0bv8) && ~state_31~0 == ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0])[7:0]) could not be translated [2023-11-06 22:05:11,348 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_23 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0] == 0bv8) && ~state_31~0 == ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0])[7:0]) could not be translated [2023-11-06 22:05:11,348 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_23 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_23), 1bv32)[7:0] == 0bv8) && ~bvand~32(1bv32, ~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_23), 1bv32)[7:0])[7:0]))[7:0] == ~state_29~0) could not be translated [2023-11-06 22:05:11,349 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ~bvand~32(255bv32, ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0]), ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0])), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0]))[7:0])[7:0])[7:0]))[7:0] == ~state_13~0 && ~bvand~32(255bv32, ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0])[7:0])[7:0]))[7:0] == ~state_11~0) could not be translated [2023-11-06 22:05:11,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:05:11 BoogieIcfgContainer [2023-11-06 22:05:11,350 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:05:11,350 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:05:11,351 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:05:11,351 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:05:11,351 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:03:56" (3/4) ... [2023-11-06 22:05:11,353 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:05:11,365 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-06 22:05:11,366 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 22:05:11,366 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:05:11,367 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:05:11,446 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:05:11,446 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:05:11,446 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:05:11,447 INFO L158 Benchmark]: Toolchain (without parser) took 76786.77ms. Allocated memory was 71.3MB in the beginning and 453.0MB in the end (delta: 381.7MB). Free memory was 46.9MB in the beginning and 235.8MB in the end (delta: -188.9MB). Peak memory consumption was 193.8MB. Max. memory is 16.1GB. [2023-11-06 22:05:11,447 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 71.3MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:05:11,448 INFO L158 Benchmark]: CACSL2BoogieTranslator took 529.33ms. Allocated memory was 71.3MB in the beginning and 102.8MB in the end (delta: 31.5MB). Free memory was 46.6MB in the beginning and 80.3MB in the end (delta: -33.8MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2023-11-06 22:05:11,448 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.45ms. Allocated memory is still 102.8MB. Free memory was 80.1MB in the beginning and 77.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:05:11,448 INFO L158 Benchmark]: Boogie Preprocessor took 98.18ms. Allocated memory is still 102.8MB. Free memory was 77.5MB in the beginning and 75.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:05:11,449 INFO L158 Benchmark]: RCFGBuilder took 833.49ms. Allocated memory is still 102.8MB. Free memory was 75.4MB in the beginning and 51.9MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-06 22:05:11,449 INFO L158 Benchmark]: TraceAbstraction took 75107.07ms. Allocated memory was 102.8MB in the beginning and 453.0MB in the end (delta: 350.2MB). Free memory was 51.4MB in the beginning and 242.1MB in the end (delta: -190.6MB). Peak memory consumption was 244.9MB. Max. memory is 16.1GB. [2023-11-06 22:05:11,450 INFO L158 Benchmark]: Witness Printer took 95.87ms. Allocated memory is still 453.0MB. Free memory was 242.1MB in the beginning and 235.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-06 22:05:11,452 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 71.3MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 529.33ms. Allocated memory was 71.3MB in the beginning and 102.8MB in the end (delta: 31.5MB). Free memory was 46.6MB in the beginning and 80.3MB in the end (delta: -33.8MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.45ms. Allocated memory is still 102.8MB. Free memory was 80.1MB in the beginning and 77.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.18ms. Allocated memory is still 102.8MB. Free memory was 77.5MB in the beginning and 75.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 833.49ms. Allocated memory is still 102.8MB. Free memory was 75.4MB in the beginning and 51.9MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 75107.07ms. Allocated memory was 102.8MB in the beginning and 453.0MB in the end (delta: 350.2MB). Free memory was 51.4MB in the beginning and 242.1MB in the end (delta: -190.6MB). Peak memory consumption was 244.9MB. Max. memory is 16.1GB. * Witness Printer took 95.87ms. Allocated memory is still 453.0MB. Free memory was 242.1MB in the beginning and 235.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_23 : bv8 :: ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0] == ~input_8~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_33~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0])[7:0] == ~state_42~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_37~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_23 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0] == 0bv8) && ~bvand~32(1bv32, ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0])[7:0])[7:0]))[7:0] == ~state_35~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_33~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0])[7:0] == ~state_42~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0])), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_37~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet22#1_24 : bv8 :: ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet22#1_24), 1bv32)[7:0] == ~input_9~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_23 : bv8 :: ~input_7~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_23), 1bv32)[7:0]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_23 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0] == 0bv8) && ~state_31~0 == ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0])[7:0]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_23 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0] == 0bv8) && ~state_31~0 == ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0])[7:0]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_23 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_23), 1bv32)[7:0] == 0bv8) && ~bvand~32(1bv32, ~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_23), 1bv32)[7:0])[7:0]))[7:0] == ~state_29~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ~bvand~32(255bv32, ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0]), ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0])), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0]))[7:0])[7:0])[7:0]))[7:0] == ~state_13~0 && ~bvand~32(255bv32, ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0])[7:0])[7:0]))[7:0] == ~state_11~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_23 : bv8 :: ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0] == ~input_8~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_33~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0])[7:0] == ~state_42~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_37~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_23 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0] == 0bv8) && ~bvand~32(1bv32, ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0])[7:0])[7:0]))[7:0] == ~state_35~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_33~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0])[7:0] == ~state_42~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0])), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_37~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet22#1_24 : bv8 :: ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet22#1_24), 1bv32)[7:0] == ~input_9~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_23 : bv8 :: ~input_7~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_23), 1bv32)[7:0]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_23 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0] == 0bv8) && ~state_31~0 == ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0])[7:0]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_23 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0] == 0bv8) && ~state_31~0 == ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0])[7:0]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_23 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_23), 1bv32)[7:0] == 0bv8) && ~bvand~32(1bv32, ~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_23), 1bv32)[7:0])[7:0]))[7:0] == ~state_29~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ~bvand~32(255bv32, ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0]), ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0])), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0]))[7:0])[7:0])[7:0]))[7:0] == ~state_13~0 && ~bvand~32(255bv32, ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0])[7:0])[7:0]))[7:0] == ~state_11~0) could not be translated * 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 - PositiveResult [Line: 21]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 75.0s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 17.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 6.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28 mSDsluCounter, 77 SdHoareTripleChecker+Invalid, 6.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 63 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 63 IncrementalHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 14 mSDtfsCounter, 63 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 25.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=3, InterpolantAutomatonStates: 25, 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, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 6 NumberOfFragments, 568 HoareAnnotationTreeSize, 2 FomulaSimplifications, 2161 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 2 FomulaSimplificationsInter, 2068 FormulaSimplificationTreeSizeReductionInter, 10.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 44.8s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 64 ConstructedInterpolants, 32 QuantifiedInterpolants, 28685 SizeOfPredicates, 273 NumberOfNonLiveVariables, 1034 ConjunctsInSsa, 288 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 1/48 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 81]: Loop Invariant [2023-11-06 22:05:11,473 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_23 : bv8 :: ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0] == ~input_8~0) could not be translated [2023-11-06 22:05:11,475 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_33~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0])[7:0] == ~state_42~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_37~0) could not be translated [2023-11-06 22:05:11,475 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_23 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0] == 0bv8) && ~bvand~32(1bv32, ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0])[7:0])[7:0]))[7:0] == ~state_35~0) could not be translated [2023-11-06 22:05:11,475 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_33~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0])[7:0] == ~state_42~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0])), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_37~0) could not be translated [2023-11-06 22:05:11,476 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet22#1_24 : bv8 :: ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet22#1_24), 1bv32)[7:0] == ~input_9~0) could not be translated [2023-11-06 22:05:11,477 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_23 : bv8 :: ~input_7~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_23), 1bv32)[7:0]) could not be translated [2023-11-06 22:05:11,483 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_23 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0] == 0bv8) && ~state_31~0 == ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0])[7:0]) could not be translated [2023-11-06 22:05:11,483 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_23 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0] == 0bv8) && ~state_31~0 == ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0])[7:0]) could not be translated [2023-11-06 22:05:11,484 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_23 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_23), 1bv32)[7:0] == 0bv8) && ~bvand~32(1bv32, ~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_23), 1bv32)[7:0])[7:0]))[7:0] == ~state_29~0) could not be translated [2023-11-06 22:05:11,484 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ~bvand~32(255bv32, ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0]), ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0])), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0]))[7:0])[7:0])[7:0]))[7:0] == ~state_13~0 && ~bvand~32(255bv32, ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0])[7:0])[7:0]))[7:0] == ~state_11~0) could not be translated [2023-11-06 22:05:11,486 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_23 : bv8 :: ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0] == ~input_8~0) could not be translated [2023-11-06 22:05:11,490 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_33~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0])[7:0] == ~state_42~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_37~0) could not be translated [2023-11-06 22:05:11,491 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_23 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0] == 0bv8) && ~bvand~32(1bv32, ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0])[7:0])[7:0]))[7:0] == ~state_35~0) could not be translated [2023-11-06 22:05:11,491 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_33~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0])[7:0] == ~state_42~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0])), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_37~0) could not be translated [2023-11-06 22:05:11,491 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet22#1_24 : bv8 :: ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet22#1_24), 1bv32)[7:0] == ~input_9~0) could not be translated [2023-11-06 22:05:11,492 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_23 : bv8 :: ~input_7~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_23), 1bv32)[7:0]) could not be translated [2023-11-06 22:05:11,492 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_23 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0] == 0bv8) && ~state_31~0 == ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0])[7:0]) could not be translated [2023-11-06 22:05:11,493 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_23 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0] == 0bv8) && ~state_31~0 == ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_23), 1bv32)[7:0])[7:0]) could not be translated [2023-11-06 22:05:11,493 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_23 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_23), 1bv32)[7:0] == 0bv8) && ~bvand~32(1bv32, ~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_23), 1bv32)[7:0])[7:0]))[7:0] == ~state_29~0) could not be translated [2023-11-06 22:05:11,493 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ~bvand~32(255bv32, ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0]), ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0])), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0]))[7:0])[7:0])[7:0]))[7:0] == ~state_13~0 && ~bvand~32(255bv32, ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0])[7:0])[7:0]))[7:0] == ~state_11~0) could not be translated Derived loop invariant: ((((((((((((((((((0 == state_26) && (var_10 == 0)) && (0 == state_31)) && (0 == state_22)) && (0 == state_29)) && (var_28 == 0)) && (0 == state_11)) && (1 == mask_SORT_5)) && (0 == state_24)) && (0 == state_40)) && (0 == state_35)) && (0 == state_13)) && (((1 + mask_SORT_1) % 256) == 0)) && (0 == state_37)) && (0 == state_33)) && (0 == state_42)) && (1 == var_18)) || (((((((((((((state_31 & 127) & 1) & 127) == 0) || (((((state_40 & 127) & 127) & 255) & 127) == ((255 & ((((((((((state_22 + -(state_24)) % 4294967296) & 127) & 127) & 127) + (state_26 & 127)) % 4294967296) & 127) & 127) & 127)) & 127))) && ((((((state_40 & 127) & 127) & 255) & 127) == ((((((((((((state_22 + -(state_24)) % 4294967296) & 127) & 127) & 127) + -((state_26 & 127))) % 4294967296) & 127) & 127) & 127) & 255) & 127)) || !(((((state_31 & 127) & 1) & 127) == 0)))) || !((0 == state_29))) && (var_10 == 0)) && (var_28 == 0)) && (1 == mask_SORT_5)) && (((1 + mask_SORT_1) % 256) == 0)) && (1 == var_18)) && ((0 == state_29) || (((((((state_40 & 127) & 127) & 255) & 127) == (((((((-((state_26 & 127)) + (((((state_22 + state_24) % 4294967296) & 127) & 127) & 127)) % 4294967296) & 127) & 127) & 127) & 255) & 127)) || !(((((state_31 & 127) & 1) & 127) == 0))) && (((((state_31 & 127) & 1) & 127) == 0) || (((((((((((((state_22 + state_24) % 4294967296) & 127) & 127) & 127) + (state_26 & 127)) % 4294967296) & 127) & 127) & 127) & 255) & 127) == ((((state_40 & 127) & 127) & 255) & 127))))))) - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-06 22:05:11,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13eef542-ecf5-403e-83c6-125a15b7e2f9/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 Result: TRUE