./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.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_7ba5795a-3842-4bc1-815b-ef68083dcc89/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/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_7ba5795a-3842-4bc1-815b-ef68083dcc89/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/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_7ba5795a-3842-4bc1-815b-ef68083dcc89/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 8d05a766c76ac0298c0a80f704d02f1cc9846c5882f0c27837b6bbd7c98f7d2d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:00:54,486 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:00:54,580 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 23:00:54,587 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:00:54,588 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:00:54,621 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:00:54,622 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:00:54,623 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:00:54,624 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:00:54,625 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:00:54,626 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:00:54,627 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:00:54,627 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:00:54,628 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:00:54,629 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:00:54,630 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:00:54,630 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:00:54,631 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:00:54,632 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:00:54,633 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:00:54,633 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:00:54,634 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:00:54,635 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:00:54,636 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:00:54,637 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:00:54,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:00:54,638 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:00:54,639 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:00:54,640 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:00:54,640 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:00:54,641 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:00:54,642 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:00:54,642 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:00:54,643 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:00:54,644 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:00:54,644 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:00:54,645 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_7ba5795a-3842-4bc1-815b-ef68083dcc89/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d05a766c76ac0298c0a80f704d02f1cc9846c5882f0c27837b6bbd7c98f7d2d [2023-11-06 23:00:54,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:00:55,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:00:55,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:00:55,052 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:00:55,053 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:00:55,061 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c [2023-11-06 23:00:58,385 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:00:58,635 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:00:58,636 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c [2023-11-06 23:00:58,649 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/bin/uautomizer-verify-WvqO1wxjHP/data/04572c300/f7807ed6316d411aba65e66ae6075782/FLAG3168c19a1 [2023-11-06 23:00:58,702 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/bin/uautomizer-verify-WvqO1wxjHP/data/04572c300/f7807ed6316d411aba65e66ae6075782 [2023-11-06 23:00:58,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:00:58,707 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:00:58,709 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:00:58,709 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:00:58,717 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:00:58,718 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:00:58" (1/1) ... [2023-11-06 23:00:58,720 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3adadc3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:58, skipping insertion in model container [2023-11-06 23:00:58,720 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:00:58" (1/1) ... [2023-11-06 23:00:58,760 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:00:58,928 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_7ba5795a-3842-4bc1-815b-ef68083dcc89/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c[1244,1257] [2023-11-06 23:00:59,016 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:00:59,028 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:00:59,041 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_7ba5795a-3842-4bc1-815b-ef68083dcc89/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c[1244,1257] [2023-11-06 23:00:59,095 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:00:59,112 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:00:59,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:59 WrapperNode [2023-11-06 23:00:59,116 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:00:59,118 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:00:59,118 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:00:59,118 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:00:59,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:59" (1/1) ... [2023-11-06 23:00:59,143 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:59" (1/1) ... [2023-11-06 23:00:59,230 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 536 [2023-11-06 23:00:59,230 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:00:59,231 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:00:59,232 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:00:59,232 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:00:59,244 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:59" (1/1) ... [2023-11-06 23:00:59,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:59" (1/1) ... [2023-11-06 23:00:59,256 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:59" (1/1) ... [2023-11-06 23:00:59,271 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:59" (1/1) ... [2023-11-06 23:00:59,311 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:59" (1/1) ... [2023-11-06 23:00:59,329 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:59" (1/1) ... [2023-11-06 23:00:59,337 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:59" (1/1) ... [2023-11-06 23:00:59,357 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:59" (1/1) ... [2023-11-06 23:00:59,383 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:00:59,384 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:00:59,385 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:00:59,386 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:00:59,387 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:59" (1/1) ... [2023-11-06 23:00:59,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:00:59,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:00:59,423 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:00:59,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:00:59,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:00:59,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:00:59,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:00:59,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:00:59,674 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:00:59,677 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:01:00,686 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:01:00,700 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:01:00,700 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 23:01:00,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:01:00 BoogieIcfgContainer [2023-11-06 23:01:00,704 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:01:00,707 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:01:00,708 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:01:00,713 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:01:00,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:00:58" (1/3) ... [2023-11-06 23:01:00,714 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23d3dd11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:01:00, skipping insertion in model container [2023-11-06 23:01:00,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:59" (2/3) ... [2023-11-06 23:01:00,717 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23d3dd11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:01:00, skipping insertion in model container [2023-11-06 23:01:00,720 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:01:00" (3/3) ... [2023-11-06 23:01:00,721 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mul5.c [2023-11-06 23:01:00,746 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:01:00,746 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:01:00,836 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:01:00,845 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;@5a799f3a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:01:00,846 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:01:00,854 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 102 states have (on average 1.6470588235294117) internal successors, (168), 103 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:01:00,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-06 23:01:00,866 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:01:00,867 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 23:01:00,867 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:01:00,877 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:00,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1999583930, now seen corresponding path program 1 times [2023-11-06 23:01:00,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:01:00,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031797865] [2023-11-06 23:01:00,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:00,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:01:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:01:01,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:01:01,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:01:01,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031797865] [2023-11-06 23:01:01,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031797865] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:01:01,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:01:01,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:01:01,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811120758] [2023-11-06 23:01:01,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:01:01,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:01:01,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:01:01,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:01:01,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:01:01,928 INFO L87 Difference]: Start difference. First operand has 104 states, 102 states have (on average 1.6470588235294117) internal successors, (168), 103 states have internal predecessors, (168), 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 23:01:02,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:01:02,042 INFO L93 Difference]: Finished difference Result 174 states and 284 transitions. [2023-11-06 23:01:02,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:01:02,045 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 23:01:02,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:01:02,065 INFO L225 Difference]: With dead ends: 174 [2023-11-06 23:01:02,066 INFO L226 Difference]: Without dead ends: 102 [2023-11-06 23:01:02,070 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:01:02,078 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 1 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:01:02,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 474 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:01:02,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-11-06 23:01:02,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2023-11-06 23:01:02,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 101 states have (on average 1.6237623762376239) internal successors, (164), 101 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:01:02,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 164 transitions. [2023-11-06 23:01:02,151 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 164 transitions. Word has length 39 [2023-11-06 23:01:02,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:01:02,152 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 164 transitions. [2023-11-06 23:01:02,153 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 23:01:02,153 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 164 transitions. [2023-11-06 23:01:02,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-06 23:01:02,158 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:01:02,158 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 23:01:02,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 23:01:02,159 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:01:02,160 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:02,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1855834534, now seen corresponding path program 1 times [2023-11-06 23:01:02,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:01:02,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791107987] [2023-11-06 23:01:02,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:02,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:01:02,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:01:02,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:01:02,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:01:02,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791107987] [2023-11-06 23:01:02,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791107987] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:01:02,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:01:02,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:01:02,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234042235] [2023-11-06 23:01:02,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:01:02,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:01:02,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:01:02,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:01:02,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:01:02,442 INFO L87 Difference]: Start difference. First operand 102 states and 164 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 23:01:02,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:01:02,502 INFO L93 Difference]: Finished difference Result 175 states and 280 transitions. [2023-11-06 23:01:02,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:01:02,503 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 23:01:02,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:01:02,508 INFO L225 Difference]: With dead ends: 175 [2023-11-06 23:01:02,509 INFO L226 Difference]: Without dead ends: 105 [2023-11-06 23:01:02,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:01:02,517 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 1 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:01:02,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 471 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:01:02,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2023-11-06 23:01:02,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 104. [2023-11-06 23:01:02,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 103 states have (on average 1.6116504854368932) internal successors, (166), 103 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:01:02,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 166 transitions. [2023-11-06 23:01:02,534 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 166 transitions. Word has length 40 [2023-11-06 23:01:02,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:01:02,535 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 166 transitions. [2023-11-06 23:01:02,535 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 23:01:02,535 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 166 transitions. [2023-11-06 23:01:02,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-06 23:01:02,541 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:01:02,542 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 23:01:02,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 23:01:02,542 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:01:02,552 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:02,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1906727968, now seen corresponding path program 1 times [2023-11-06 23:01:02,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:01:02,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369427343] [2023-11-06 23:01:02,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:02,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:01:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:01:03,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:01:03,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:01:03,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369427343] [2023-11-06 23:01:03,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369427343] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:01:03,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:01:03,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:01:03,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839879030] [2023-11-06 23:01:03,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:01:03,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:01:03,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:01:03,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:01:03,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:01:03,051 INFO L87 Difference]: Start difference. First operand 104 states and 166 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 23:01:03,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:01:03,171 INFO L93 Difference]: Finished difference Result 261 states and 415 transitions. [2023-11-06 23:01:03,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:01:03,172 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 23:01:03,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:01:03,177 INFO L225 Difference]: With dead ends: 261 [2023-11-06 23:01:03,177 INFO L226 Difference]: Without dead ends: 189 [2023-11-06 23:01:03,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:01:03,188 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 479 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:01:03,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [479 Valid, 489 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:01:03,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2023-11-06 23:01:03,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 118. [2023-11-06 23:01:03,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 117 states have (on average 1.606837606837607) internal successors, (188), 117 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:01:03,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 188 transitions. [2023-11-06 23:01:03,205 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 188 transitions. Word has length 41 [2023-11-06 23:01:03,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:01:03,206 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 188 transitions. [2023-11-06 23:01:03,206 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 23:01:03,206 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 188 transitions. [2023-11-06 23:01:03,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-06 23:01:03,213 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:01:03,213 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, 1] [2023-11-06 23:01:03,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 23:01:03,214 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:01:03,216 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:03,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1674085184, now seen corresponding path program 1 times [2023-11-06 23:01:03,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:01:03,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180344911] [2023-11-06 23:01:03,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:03,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:01:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:01:03,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:01:03,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:01:03,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180344911] [2023-11-06 23:01:03,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180344911] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:01:03,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:01:03,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 23:01:03,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646251302] [2023-11-06 23:01:03,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:01:03,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 23:01:03,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:01:03,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 23:01:03,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:01:03,635 INFO L87 Difference]: Start difference. First operand 118 states and 188 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:01:03,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:01:03,863 INFO L93 Difference]: Finished difference Result 326 states and 518 transitions. [2023-11-06 23:01:03,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 23:01:03,863 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 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 42 [2023-11-06 23:01:03,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:01:03,866 INFO L225 Difference]: With dead ends: 326 [2023-11-06 23:01:03,866 INFO L226 Difference]: Without dead ends: 254 [2023-11-06 23:01:03,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2023-11-06 23:01:03,878 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 855 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 855 SdHoareTripleChecker+Valid, 836 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:01:03,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [855 Valid, 836 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:01:03,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2023-11-06 23:01:03,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 121. [2023-11-06 23:01:03,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 120 states have (on average 1.6) internal successors, (192), 120 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:01:03,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 192 transitions. [2023-11-06 23:01:03,898 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 192 transitions. Word has length 42 [2023-11-06 23:01:03,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:01:03,899 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 192 transitions. [2023-11-06 23:01:03,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:01:03,899 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 192 transitions. [2023-11-06 23:01:03,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-06 23:01:03,900 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:01:03,900 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, 1] [2023-11-06 23:01:03,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 23:01:03,901 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:01:03,901 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:03,902 INFO L85 PathProgramCache]: Analyzing trace with hash -2067112194, now seen corresponding path program 1 times [2023-11-06 23:01:03,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:01:03,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855561004] [2023-11-06 23:01:03,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:03,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:01:03,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:01:04,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:01:04,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:01:04,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855561004] [2023-11-06 23:01:04,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855561004] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:01:04,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:01:04,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 23:01:04,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196033038] [2023-11-06 23:01:04,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:01:04,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 23:01:04,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:01:04,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:01:04,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:01:04,480 INFO L87 Difference]: Start difference. First operand 121 states and 192 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:01:04,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:01:04,921 INFO L93 Difference]: Finished difference Result 327 states and 520 transitions. [2023-11-06 23:01:04,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 23:01:04,922 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 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 42 [2023-11-06 23:01:04,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:01:04,925 INFO L225 Difference]: With dead ends: 327 [2023-11-06 23:01:04,925 INFO L226 Difference]: Without dead ends: 255 [2023-11-06 23:01:04,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2023-11-06 23:01:04,927 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 693 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 693 SdHoareTripleChecker+Valid, 1118 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:01:04,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [693 Valid, 1118 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 23:01:04,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2023-11-06 23:01:04,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 124. [2023-11-06 23:01:04,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 123 states have (on average 1.5934959349593496) internal successors, (196), 123 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:01:04,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 196 transitions. [2023-11-06 23:01:04,949 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 196 transitions. Word has length 42 [2023-11-06 23:01:04,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:01:04,949 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 196 transitions. [2023-11-06 23:01:04,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:01:04,950 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 196 transitions. [2023-11-06 23:01:04,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-06 23:01:04,955 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:01:04,955 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, 1] [2023-11-06 23:01:04,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 23:01:04,956 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:01:04,957 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:04,957 INFO L85 PathProgramCache]: Analyzing trace with hash -292104832, now seen corresponding path program 1 times [2023-11-06 23:01:04,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:01:04,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221665803] [2023-11-06 23:01:04,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:04,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:01:05,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:01:05,013 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:01:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:01:05,107 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:01:05,107 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 23:01:05,108 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 23:01:05,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 23:01:05,114 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-06 23:01:05,118 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:01:05,201 WARN L316 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-06 23:01:05,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:01:05 BoogieIcfgContainer [2023-11-06 23:01:05,227 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:01:05,228 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:01:05,228 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:01:05,229 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:01:05,229 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:01:00" (3/4) ... [2023-11-06 23:01:05,232 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 23:01:05,233 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:01:05,234 INFO L158 Benchmark]: Toolchain (without parser) took 6527.35ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 157.6MB in the beginning and 65.4MB in the end (delta: 92.2MB). Peak memory consumption was 129.4MB. Max. memory is 16.1GB. [2023-11-06 23:01:05,234 INFO L158 Benchmark]: CDTParser took 0.86ms. Allocated memory is still 136.3MB. Free memory was 109.7MB in the beginning and 109.6MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:01:05,235 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.43ms. Allocated memory is still 186.6MB. Free memory was 157.5MB in the beginning and 144.5MB in the end (delta: 13.0MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2023-11-06 23:01:05,235 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.86ms. Allocated memory is still 186.6MB. Free memory was 144.5MB in the beginning and 137.3MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-06 23:01:05,236 INFO L158 Benchmark]: Boogie Preprocessor took 151.70ms. Allocated memory is still 186.6MB. Free memory was 137.3MB in the beginning and 134.0MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 23:01:05,236 INFO L158 Benchmark]: RCFGBuilder took 1320.27ms. Allocated memory is still 186.6MB. Free memory was 134.0MB in the beginning and 118.0MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 23:01:05,237 INFO L158 Benchmark]: TraceAbstraction took 4520.25ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 117.2MB in the beginning and 65.4MB in the end (delta: 51.8MB). Peak memory consumption was 92.7MB. Max. memory is 16.1GB. [2023-11-06 23:01:05,237 INFO L158 Benchmark]: Witness Printer took 5.06ms. Allocated memory is still 224.4MB. Free memory is still 65.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:01:05,241 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.86ms. Allocated memory is still 136.3MB. Free memory was 109.7MB in the beginning and 109.6MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 408.43ms. Allocated memory is still 186.6MB. Free memory was 157.5MB in the beginning and 144.5MB in the end (delta: 13.0MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.86ms. Allocated memory is still 186.6MB. Free memory was 144.5MB in the beginning and 137.3MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 151.70ms. Allocated memory is still 186.6MB. Free memory was 137.3MB in the beginning and 134.0MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1320.27ms. Allocated memory is still 186.6MB. Free memory was 134.0MB in the beginning and 118.0MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4520.25ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 117.2MB in the beginning and 65.4MB in the end (delta: 51.8MB). Peak memory consumption was 92.7MB. Max. memory is 16.1GB. * Witness Printer took 5.06ms. Allocated memory is still 224.4MB. Free memory is still 65.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 107, overapproximation of bitwiseAnd at line 112. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 32); [L30] const SORT_5 msb_SORT_5 = (SORT_5)1 << (32 - 1); [L32] const SORT_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 10); [L33] const SORT_8 msb_SORT_8 = (SORT_8)1 << (10 - 1); [L35] const SORT_14 mask_SORT_14 = (SORT_14)-1 >> (sizeof(SORT_14) * 8 - 64); [L36] const SORT_14 msb_SORT_14 = (SORT_14)1 << (64 - 1); [L38] const SORT_1 var_10 = 0; [L39] const SORT_14 var_15 = 0; [L40] const SORT_1 var_24 = 1; [L41] const SORT_5 var_28 = 0; [L42] const SORT_8 var_35 = 0; [L43] const SORT_5 var_57 = 1; [L44] const SORT_5 var_61 = 1000; [L45] const SORT_5 var_63 = 3735928559; [L46] const SORT_5 var_66 = 12245771; [L48] SORT_1 input_2; [L49] SORT_1 input_3; [L50] SORT_1 input_4; [L51] SORT_5 input_6; [L52] SORT_5 input_7; [L53] SORT_8 input_9; [L55] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L55] SORT_1 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L56] EXPR __VERIFIER_nondet_ulong() & mask_SORT_14 VAL [__VERIFIER_nondet_ulong() & mask_SORT_14=0, __VERIFIER_nondet_ulong()=0, mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L56] SORT_14 state_16 = __VERIFIER_nondet_ulong() & mask_SORT_14; [L57] EXPR __VERIFIER_nondet_ulong() & mask_SORT_14 VAL [__VERIFIER_nondet_ulong() & mask_SORT_14=0, __VERIFIER_nondet_ulong()=0, mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L57] SORT_14 state_18 = __VERIFIER_nondet_ulong() & mask_SORT_14; [L58] EXPR __VERIFIER_nondet_uint() & mask_SORT_5 VAL [__VERIFIER_nondet_uint() & mask_SORT_5=0, __VERIFIER_nondet_uint()=0, mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L58] SORT_5 state_29 = __VERIFIER_nondet_uint() & mask_SORT_5; [L59] EXPR __VERIFIER_nondet_uint() & mask_SORT_5 VAL [__VERIFIER_nondet_uint() & mask_SORT_5=0, __VERIFIER_nondet_uint()=0, mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L59] SORT_5 state_31 = __VERIFIER_nondet_uint() & mask_SORT_5; [L60] EXPR __VERIFIER_nondet_ushort() & mask_SORT_8 VAL [__VERIFIER_nondet_ushort() & mask_SORT_8=0, __VERIFIER_nondet_ushort()=0, mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L60] SORT_8 state_36 = __VERIFIER_nondet_ushort() & mask_SORT_8; [L61] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L61] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L62] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L62] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L63] EXPR __VERIFIER_nondet_uint() & mask_SORT_5 VAL [__VERIFIER_nondet_uint() & mask_SORT_5=0, __VERIFIER_nondet_uint()=0, mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=0, state_40=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L63] SORT_5 state_42 = __VERIFIER_nondet_uint() & mask_SORT_5; [L64] EXPR __VERIFIER_nondet_uint() & mask_SORT_5 VAL [__VERIFIER_nondet_uint() & mask_SORT_5=0, __VERIFIER_nondet_uint()=0, mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=0, state_40=0, state_42=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L64] SORT_5 state_44 = __VERIFIER_nondet_uint() & mask_SORT_5; [L66] SORT_1 init_12_arg_1 = var_10; [L67] state_11 = init_12_arg_1 [L68] SORT_14 init_17_arg_1 = var_15; [L69] state_16 = init_17_arg_1 [L70] SORT_14 init_19_arg_1 = var_15; [L71] state_18 = init_19_arg_1 [L72] SORT_5 init_30_arg_1 = var_28; [L73] state_29 = init_30_arg_1 [L74] SORT_5 init_32_arg_1 = var_28; [L75] state_31 = init_32_arg_1 [L76] SORT_8 init_37_arg_1 = var_35; [L77] state_36 = init_37_arg_1 [L78] SORT_1 init_39_arg_1 = var_24; [L79] state_38 = init_39_arg_1 [L80] SORT_1 init_41_arg_1 = var_24; [L81] state_40 = init_41_arg_1 [L82] SORT_5 init_43_arg_1 = var_28; [L83] state_42 = init_43_arg_1 [L84] SORT_5 init_45_arg_1 = var_28; [L85] state_44 = init_45_arg_1 VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L88] input_2 = __VERIFIER_nondet_uchar() [L89] input_3 = __VERIFIER_nondet_uchar() [L90] EXPR input_3 & mask_SORT_1 VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3 & mask_SORT_1=0, input_3=0, mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L90] input_3 = input_3 & mask_SORT_1 [L91] input_4 = __VERIFIER_nondet_uchar() [L92] EXPR input_4 & mask_SORT_1 VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, input_4 & mask_SORT_1=0, input_4=0, mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L92] input_4 = input_4 & mask_SORT_1 [L93] input_6 = __VERIFIER_nondet_uint() [L94] EXPR input_6 & mask_SORT_5 VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, input_4=0, input_6 & mask_SORT_5=0, input_6=0, mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L94] input_6 = input_6 & mask_SORT_5 [L95] input_7 = __VERIFIER_nondet_uint() [L96] EXPR input_7 & mask_SORT_5 VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, input_4=0, input_6=0, input_7 & mask_SORT_5=0, input_7=0, mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L96] input_7 = input_7 & mask_SORT_5 [L97] input_9 = __VERIFIER_nondet_ushort() [L100] SORT_1 var_13_arg_0 = state_11; [L101] SORT_1 var_13 = ~var_13_arg_0; [L102] SORT_14 var_20_arg_0 = state_16; [L103] SORT_14 var_20_arg_1 = state_18; [L104] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L105] SORT_1 var_21_arg_0 = var_13; [L106] SORT_1 var_21_arg_1 = var_20; VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, input_4=0, input_6=0, input_7=0, mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_13=255, var_13_arg_0=0, var_15=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_21_arg_0=255, var_21_arg_1=1, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L107] EXPR var_21_arg_0 | var_21_arg_1 VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, input_4=0, input_6=0, input_7=0, mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_13=255, var_13_arg_0=0, var_15=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_21_arg_0 | var_21_arg_1=256, var_21_arg_0=255, var_21_arg_1=1, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L107] SORT_1 var_21 = var_21_arg_0 | var_21_arg_1; [L108] SORT_1 var_25_arg_0 = var_21; [L109] SORT_1 var_25 = ~var_25_arg_0; [L110] SORT_1 var_26_arg_0 = var_24; [L111] SORT_1 var_26_arg_1 = var_25; VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, input_4=0, input_6=0, input_7=0, mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_13=255, var_13_arg_0=0, var_15=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_21=0, var_21_arg_0=255, var_21_arg_1=1, var_24=1, var_25=255, var_25_arg_0=0, var_26_arg_0=1, var_26_arg_1=255, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L112] EXPR var_26_arg_0 & var_26_arg_1 VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, input_4=0, input_6=0, input_7=0, mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_13=255, var_13_arg_0=0, var_15=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_21=0, var_21_arg_0=255, var_21_arg_1=1, var_24=1, var_25=255, var_25_arg_0=0, var_26_arg_0 & var_26_arg_1=1, var_26_arg_0=1, var_26_arg_1=255, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L112] SORT_1 var_26 = var_26_arg_0 & var_26_arg_1; [L113] EXPR var_26 & mask_SORT_1 VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, input_4=0, input_6=0, input_7=0, mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_13=255, var_13_arg_0=0, var_15=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_21=0, var_21_arg_0=255, var_21_arg_1=1, var_24=1, var_25=255, var_25_arg_0=0, var_26 & mask_SORT_1=1, var_26=1, var_26_arg_0=1, var_26_arg_1=255, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L113] var_26 = var_26 & mask_SORT_1 [L114] SORT_1 bad_27_arg_0 = var_26; [L115] CALL __VERIFIER_assert(!(bad_27_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, 104 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2029 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2029 mSDsluCounter, 3388 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2439 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 165 IncrementalHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 949 mSDtfsCounter, 165 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=5, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 336 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 246 NumberOfCodeBlocks, 246 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 199 ConstructedInterpolants, 0 QuantifiedInterpolants, 638 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-06 23:01:05,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/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_7ba5795a-3842-4bc1-815b-ef68083dcc89/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/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_7ba5795a-3842-4bc1-815b-ef68083dcc89/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 8d05a766c76ac0298c0a80f704d02f1cc9846c5882f0c27837b6bbd7c98f7d2d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:01:08,027 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:01:08,148 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-06 23:01:08,155 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:01:08,156 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:01:08,195 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:01:08,196 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:01:08,196 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:01:08,197 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:01:08,198 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:01:08,199 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:01:08,200 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:01:08,200 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:01:08,201 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:01:08,202 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:01:08,202 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:01:08,203 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:01:08,203 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:01:08,204 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:01:08,205 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 23:01:08,205 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 23:01:08,206 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 23:01:08,206 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:01:08,207 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:01:08,207 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:01:08,208 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:01:08,208 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:01:08,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:01:08,209 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:01:08,210 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:01:08,210 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:01:08,211 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 23:01:08,211 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 23:01:08,211 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:01:08,212 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:01:08,212 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:01:08,212 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:01:08,212 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 23:01:08,213 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:01:08,213 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_7ba5795a-3842-4bc1-815b-ef68083dcc89/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d05a766c76ac0298c0a80f704d02f1cc9846c5882f0c27837b6bbd7c98f7d2d [2023-11-06 23:01:08,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:01:08,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:01:08,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:01:08,674 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:01:08,675 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:01:08,677 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c [2023-11-06 23:01:12,005 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:01:12,266 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:01:12,268 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c [2023-11-06 23:01:12,283 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/bin/uautomizer-verify-WvqO1wxjHP/data/cf1b124ea/5120a876ff05448c9ad09bbc7dcce3e2/FLAGded5461f8 [2023-11-06 23:01:12,302 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/bin/uautomizer-verify-WvqO1wxjHP/data/cf1b124ea/5120a876ff05448c9ad09bbc7dcce3e2 [2023-11-06 23:01:12,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:01:12,308 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:01:12,309 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:01:12,310 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:01:12,316 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:01:12,327 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:01:12" (1/1) ... [2023-11-06 23:01:12,328 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c3383d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:12, skipping insertion in model container [2023-11-06 23:01:12,329 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:01:12" (1/1) ... [2023-11-06 23:01:12,374 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:01:12,551 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_7ba5795a-3842-4bc1-815b-ef68083dcc89/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c[1244,1257] [2023-11-06 23:01:12,639 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:01:12,658 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:01:12,675 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_7ba5795a-3842-4bc1-815b-ef68083dcc89/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c[1244,1257] [2023-11-06 23:01:12,779 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:01:12,796 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:01:12,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:12 WrapperNode [2023-11-06 23:01:12,797 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:01:12,798 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:01:12,798 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:01:12,799 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:01:12,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:12" (1/1) ... [2023-11-06 23:01:12,826 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:12" (1/1) ... [2023-11-06 23:01:12,865 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 271 [2023-11-06 23:01:12,866 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:01:12,866 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:01:12,867 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:01:12,867 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:01:12,877 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:12" (1/1) ... [2023-11-06 23:01:12,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:12" (1/1) ... [2023-11-06 23:01:12,885 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:12" (1/1) ... [2023-11-06 23:01:12,886 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:12" (1/1) ... [2023-11-06 23:01:12,898 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:12" (1/1) ... [2023-11-06 23:01:12,902 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:12" (1/1) ... [2023-11-06 23:01:12,906 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:12" (1/1) ... [2023-11-06 23:01:12,908 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:12" (1/1) ... [2023-11-06 23:01:12,917 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:01:12,918 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:01:12,931 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:01:12,932 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:01:12,933 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:12" (1/1) ... [2023-11-06 23:01:12,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:01:12,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:01:12,977 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:01:12,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:01:13,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:01:13,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 23:01:13,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:01:13,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:01:13,188 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:01:13,191 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:01:13,824 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:01:13,831 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:01:13,831 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 23:01:13,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:01:13 BoogieIcfgContainer [2023-11-06 23:01:13,834 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:01:13,838 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:01:13,838 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:01:13,842 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:01:13,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:01:12" (1/3) ... [2023-11-06 23:01:13,845 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19323b42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:01:13, skipping insertion in model container [2023-11-06 23:01:13,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:12" (2/3) ... [2023-11-06 23:01:13,846 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19323b42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:01:13, skipping insertion in model container [2023-11-06 23:01:13,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:01:13" (3/3) ... [2023-11-06 23:01:13,848 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mul5.c [2023-11-06 23:01:13,873 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:01:13,873 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:01:13,960 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:01:13,967 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;@af0e955, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:01:13,968 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:01:13,973 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:01:13,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-06 23:01:13,982 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:01:13,983 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 23:01:13,983 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:01:13,994 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:13,995 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2023-11-06 23:01:14,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:01:14,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1015467657] [2023-11-06 23:01:14,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:14,020 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:01:14,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:01:14,022 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:01:14,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-06 23:01:14,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:01:14,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-06 23:01:14,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:01:14,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:01:14,651 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:01:14,652 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:01:14,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1015467657] [2023-11-06 23:01:14,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1015467657] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:01:14,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:01:14,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:01:14,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974028069] [2023-11-06 23:01:14,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:01:14,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:01:14,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:01:14,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:01:14,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:01:14,718 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:01:15,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:01:15,072 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2023-11-06 23:01:15,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:01:15,075 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-11-06 23:01:15,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:01:15,090 INFO L225 Difference]: With dead ends: 19 [2023-11-06 23:01:15,090 INFO L226 Difference]: Without dead ends: 10 [2023-11-06 23:01:15,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:01:15,101 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 23:01:15,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 23:01:15,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-06 23:01:15,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2023-11-06 23:01:15,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:01:15,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-06 23:01:15,141 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2023-11-06 23:01:15,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:01:15,141 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-06 23:01:15,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:01:15,142 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-06 23:01:15,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-06 23:01:15,143 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:01:15,143 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2023-11-06 23:01:15,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-06 23:01:15,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:01:15,356 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:01:15,357 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:15,357 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2023-11-06 23:01:15,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:01:15,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [178117684] [2023-11-06 23:01:15,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:15,360 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:01:15,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:01:15,362 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:01:15,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-06 23:01:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:01:15,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-06 23:01:15,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:01:16,144 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:01:16,145 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:01:16,939 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:01:16,939 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:01:16,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [178117684] [2023-11-06 23:01:16,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [178117684] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:01:16,940 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:01:16,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-06 23:01:16,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263232408] [2023-11-06 23:01:16,941 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:01:16,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 23:01:16,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:01:16,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:01:16,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:01:16,945 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:01:17,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:01:17,968 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2023-11-06 23:01:17,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 23:01:17,968 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-06 23:01:17,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:01:17,969 INFO L225 Difference]: With dead ends: 15 [2023-11-06 23:01:17,969 INFO L226 Difference]: Without dead ends: 13 [2023-11-06 23:01:17,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-11-06 23:01:17,971 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 10 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 23:01:17,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 17 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 23:01:17,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-11-06 23:01:17,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2023-11-06 23:01:17,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:01:17,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-06 23:01:17,977 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2023-11-06 23:01:17,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:01:17,977 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2023-11-06 23:01:17,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:01:17,978 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-06 23:01:17,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-06 23:01:17,978 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:01:17,978 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2023-11-06 23:01:18,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-06 23:01:18,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:01:18,196 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:01:18,196 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:18,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2023-11-06 23:01:18,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:01:18,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1442848981] [2023-11-06 23:01:18,198 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 23:01:18,198 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:01:18,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:01:18,224 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:01:18,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-06 23:01:19,039 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 23:01:19,039 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2023-11-06 23:01:19,039 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:01:19,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:01:19,666 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-06 23:01:19,666 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 23:01:19,668 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 23:01:19,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-06 23:01:19,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:01:19,873 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1] [2023-11-06 23:01:19,877 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:01:19,967 WARN L316 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-06 23:01:19,972 WARN L316 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-06 23:01:19,972 WARN L316 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-06 23:01:20,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:01:20 BoogieIcfgContainer [2023-11-06 23:01:20,011 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:01:20,012 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:01:20,012 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:01:20,013 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:01:20,013 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:01:13" (3/4) ... [2023-11-06 23:01:20,019 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-06 23:01:20,042 WARN L316 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-06 23:01:20,042 WARN L316 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-06 23:01:20,042 WARN L316 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-06 23:01:20,159 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 23:01:20,159 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:01:20,160 INFO L158 Benchmark]: Toolchain (without parser) took 7852.44ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 47.0MB in the beginning and 55.1MB in the end (delta: -8.1MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2023-11-06 23:01:20,160 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 75.5MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:01:20,161 INFO L158 Benchmark]: CACSL2BoogieTranslator took 488.04ms. Allocated memory is still 75.5MB. Free memory was 46.9MB in the beginning and 52.3MB in the end (delta: -5.5MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2023-11-06 23:01:20,161 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.67ms. Allocated memory is still 75.5MB. Free memory was 52.3MB in the beginning and 49.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:01:20,162 INFO L158 Benchmark]: Boogie Preprocessor took 50.86ms. Allocated memory is still 75.5MB. Free memory was 49.4MB in the beginning and 47.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:01:20,162 INFO L158 Benchmark]: RCFGBuilder took 916.38ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 47.5MB in the beginning and 62.9MB in the end (delta: -15.4MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2023-11-06 23:01:20,162 INFO L158 Benchmark]: TraceAbstraction took 6173.12ms. Allocated memory is still 98.6MB. Free memory was 62.1MB in the beginning and 64.9MB in the end (delta: -2.7MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2023-11-06 23:01:20,163 INFO L158 Benchmark]: Witness Printer took 147.76ms. Allocated memory is still 98.6MB. Free memory was 64.1MB in the beginning and 55.1MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 23:01:20,166 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 75.5MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 488.04ms. Allocated memory is still 75.5MB. Free memory was 46.9MB in the beginning and 52.3MB in the end (delta: -5.5MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.67ms. Allocated memory is still 75.5MB. Free memory was 52.3MB in the beginning and 49.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.86ms. Allocated memory is still 75.5MB. Free memory was 49.4MB in the beginning and 47.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 916.38ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 47.5MB in the beginning and 62.9MB in the end (delta: -15.4MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * TraceAbstraction took 6173.12ms. Allocated memory is still 98.6MB. Free memory was 62.1MB in the beginning and 64.9MB in the end (delta: -2.7MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * Witness Printer took 147.76ms. Allocated memory is still 98.6MB. Free memory was 64.1MB in the beginning and 55.1MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 21]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 32); [L30] const SORT_5 msb_SORT_5 = (SORT_5)1 << (32 - 1); [L32] const SORT_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 10); [L33] const SORT_8 msb_SORT_8 = (SORT_8)1 << (10 - 1); [L35] const SORT_14 mask_SORT_14 = (SORT_14)-1 >> (sizeof(SORT_14) * 8 - 64); [L36] const SORT_14 msb_SORT_14 = (SORT_14)1 << (64 - 1); [L38] const SORT_1 var_10 = 0; [L39] const SORT_14 var_15 = 0; [L40] const SORT_1 var_24 = 1; [L41] const SORT_5 var_28 = 0; [L42] const SORT_8 var_35 = 0; [L43] const SORT_5 var_57 = 1; [L44] const SORT_5 var_61 = 1000; [L45] const SORT_5 var_63 = 3735928559; [L46] const SORT_5 var_66 = 12245771; [L48] SORT_1 input_2; [L49] SORT_1 input_3; [L50] SORT_1 input_4; [L51] SORT_5 input_6; [L52] SORT_5 input_7; [L53] SORT_8 input_9; [L55] SORT_1 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L56] SORT_14 state_16 = __VERIFIER_nondet_ulong() & mask_SORT_14; [L57] SORT_14 state_18 = __VERIFIER_nondet_ulong() & mask_SORT_14; [L58] SORT_5 state_29 = __VERIFIER_nondet_uint() & mask_SORT_5; [L59] SORT_5 state_31 = __VERIFIER_nondet_uint() & mask_SORT_5; [L60] SORT_8 state_36 = __VERIFIER_nondet_ushort() & mask_SORT_8; [L61] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L62] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L63] SORT_5 state_42 = __VERIFIER_nondet_uint() & mask_SORT_5; [L64] SORT_5 state_44 = __VERIFIER_nondet_uint() & mask_SORT_5; [L66] SORT_1 init_12_arg_1 = var_10; [L67] state_11 = init_12_arg_1 [L68] SORT_14 init_17_arg_1 = var_15; [L69] state_16 = init_17_arg_1 [L70] SORT_14 init_19_arg_1 = var_15; [L71] state_18 = init_19_arg_1 [L72] SORT_5 init_30_arg_1 = var_28; [L73] state_29 = init_30_arg_1 [L74] SORT_5 init_32_arg_1 = var_28; [L75] state_31 = init_32_arg_1 [L76] SORT_8 init_37_arg_1 = var_35; [L77] state_36 = init_37_arg_1 [L78] SORT_1 init_39_arg_1 = var_24; [L79] state_38 = init_39_arg_1 [L80] SORT_1 init_41_arg_1 = var_24; [L81] state_40 = init_41_arg_1 [L82] SORT_5 init_43_arg_1 = var_28; [L83] state_42 = init_43_arg_1 [L84] SORT_5 init_45_arg_1 = var_28; [L85] state_44 = init_45_arg_1 VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L88] input_2 = __VERIFIER_nondet_uchar() [L89] input_3 = __VERIFIER_nondet_uchar() [L90] input_3 = input_3 & mask_SORT_1 [L91] input_4 = __VERIFIER_nondet_uchar() [L92] input_4 = input_4 & mask_SORT_1 [L93] input_6 = __VERIFIER_nondet_uint() [L94] input_6 = input_6 & mask_SORT_5 [L95] input_7 = __VERIFIER_nondet_uint() [L96] input_7 = input_7 & mask_SORT_5 [L97] input_9 = __VERIFIER_nondet_ushort() [L100] SORT_1 var_13_arg_0 = state_11; [L101] SORT_1 var_13 = ~var_13_arg_0; [L102] SORT_14 var_20_arg_0 = state_16; [L103] SORT_14 var_20_arg_1 = state_18; [L104] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L105] SORT_1 var_21_arg_0 = var_13; [L106] SORT_1 var_21_arg_1 = var_20; [L107] SORT_1 var_21 = var_21_arg_0 | var_21_arg_1; [L108] SORT_1 var_25_arg_0 = var_21; [L109] SORT_1 var_25 = ~var_25_arg_0; [L110] SORT_1 var_26_arg_0 = var_24; [L111] SORT_1 var_26_arg_1 = var_25; [L112] SORT_1 var_26 = var_26_arg_0 & var_26_arg_1; [L113] var_26 = var_26 & mask_SORT_1 [L114] SORT_1 bad_27_arg_0 = var_26; [L115] CALL __VERIFIER_assert(!(bad_27_arg_0)) [L21] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L115] RET __VERIFIER_assert(!(bad_27_arg_0)) [L117] SORT_1 next_51_arg_1 = var_24; [L118] SORT_1 var_33_arg_0 = state_11; [L119] SORT_1 var_33 = ~var_33_arg_0; [L120] var_33 = var_33 & mask_SORT_1 [L121] SORT_5 var_52_arg_0 = state_29; [L122] var_52_arg_0 = var_52_arg_0 & mask_SORT_5 [L123] SORT_14 var_52 = var_52_arg_0; [L124] SORT_5 var_53_arg_0 = state_31; [L125] var_53_arg_0 = var_53_arg_0 & mask_SORT_5 [L126] SORT_14 var_53 = var_53_arg_0; [L127] SORT_14 var_54_arg_0 = var_52; [L128] SORT_14 var_54_arg_1 = var_53; [L129] SORT_14 var_54 = var_54_arg_0 * var_54_arg_1; [L130] SORT_1 var_55_arg_0 = var_33; [L131] SORT_14 var_55_arg_1 = var_15; [L132] SORT_14 var_55_arg_2 = var_54; [L133] SORT_14 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L134] var_55 = var_55 & mask_SORT_14 [L135] SORT_14 next_56_arg_1 = var_55; [L136] SORT_1 var_70_arg_0 = state_38; [L137] SORT_1 var_70_arg_1 = state_40; [L138] SORT_1 var_70 = var_70_arg_0 | var_70_arg_1; [L139] var_70 = var_70 & mask_SORT_1 [L140] SORT_8 var_60_arg_0 = state_36; [L141] var_60_arg_0 = var_60_arg_0 & mask_SORT_8 [L142] SORT_5 var_60 = var_60_arg_0; [L143] SORT_5 var_62_arg_0 = var_60; [L144] SORT_5 var_62_arg_1 = var_61; [L145] SORT_1 var_62 = var_62_arg_0 > var_62_arg_1; [L146] SORT_5 var_64_arg_0 = input_6; [L147] SORT_5 var_64_arg_1 = var_63; [L148] SORT_1 var_64 = var_64_arg_0 == var_64_arg_1; [L149] SORT_1 var_65_arg_0 = var_62; [L150] SORT_1 var_65_arg_1 = var_64; [L151] SORT_1 var_65 = var_65_arg_0 & var_65_arg_1; [L152] SORT_5 var_67_arg_0 = input_7; [L153] SORT_5 var_67_arg_1 = var_66; [L154] SORT_1 var_67 = var_67_arg_0 == var_67_arg_1; [L155] SORT_1 var_68_arg_0 = var_65; [L156] SORT_1 var_68_arg_1 = var_67; [L157] SORT_1 var_68 = var_68_arg_0 & var_68_arg_1; [L158] var_68 = var_68 & mask_SORT_1 [L159] SORT_5 var_46_arg_0 = state_42; [L160] var_46_arg_0 = var_46_arg_0 & mask_SORT_5 [L161] SORT_14 var_46 = var_46_arg_0; [L162] SORT_5 var_47_arg_0 = state_44; [L163] var_47_arg_0 = var_47_arg_0 & mask_SORT_5 [L164] SORT_14 var_47 = var_47_arg_0; [L165] SORT_14 var_48_arg_0 = var_46; [L166] SORT_14 var_48_arg_1 = var_47; [L167] SORT_14 var_48 = var_48_arg_0 * var_48_arg_1; [L168] SORT_5 var_58_arg_0 = var_57; [L169] var_58_arg_0 = var_58_arg_0 & mask_SORT_5 [L170] SORT_14 var_58 = var_58_arg_0; [L171] SORT_14 var_59_arg_0 = var_48; [L172] SORT_14 var_59_arg_1 = var_58; [L173] SORT_14 var_59 = var_59_arg_0 + var_59_arg_1; [L174] SORT_1 var_69_arg_0 = var_68; [L175] SORT_14 var_69_arg_1 = var_59; [L176] SORT_14 var_69_arg_2 = var_48; [L177] SORT_14 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L178] SORT_1 var_71_arg_0 = var_70; [L179] SORT_14 var_71_arg_1 = var_69; [L180] SORT_14 var_71_arg_2 = state_18; [L181] SORT_14 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L182] SORT_1 var_72_arg_0 = var_33; [L183] SORT_14 var_72_arg_1 = var_15; [L184] SORT_14 var_72_arg_2 = var_71; [L185] SORT_14 var_72 = var_72_arg_0 ? var_72_arg_1 : var_72_arg_2; [L186] var_72 = var_72 & mask_SORT_14 [L187] SORT_14 next_73_arg_1 = var_72; [L188] SORT_1 var_74_arg_0 = input_3; [L189] SORT_5 var_74_arg_1 = input_6; [L190] SORT_5 var_74_arg_2 = state_29; [L191] SORT_5 var_74 = var_74_arg_0 ? var_74_arg_1 : var_74_arg_2; [L192] SORT_1 var_75_arg_0 = var_33; [L193] SORT_5 var_75_arg_1 = var_28; [L194] SORT_5 var_75_arg_2 = var_74; [L195] SORT_5 var_75 = var_75_arg_0 ? var_75_arg_1 : var_75_arg_2; [L196] SORT_5 next_76_arg_1 = var_75; [L197] SORT_1 var_77_arg_0 = input_4; [L198] SORT_5 var_77_arg_1 = input_7; [L199] SORT_5 var_77_arg_2 = state_31; [L200] SORT_5 var_77 = var_77_arg_0 ? var_77_arg_1 : var_77_arg_2; [L201] SORT_1 var_78_arg_0 = var_33; [L202] SORT_5 var_78_arg_1 = var_28; [L203] SORT_5 var_78_arg_2 = var_77; [L204] SORT_5 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L205] SORT_5 next_79_arg_1 = var_78; [L206] SORT_1 var_80_arg_0 = var_33; [L207] SORT_8 var_80_arg_1 = input_9; [L208] SORT_8 var_80_arg_2 = state_36; [L209] SORT_8 var_80 = var_80_arg_0 ? var_80_arg_1 : var_80_arg_2; [L210] SORT_8 next_81_arg_1 = var_80; [L211] SORT_1 var_82_arg_0 = var_33; [L212] SORT_1 var_82_arg_1 = var_24; [L213] SORT_1 var_82_arg_2 = input_3; [L214] SORT_1 var_82 = var_82_arg_0 ? var_82_arg_1 : var_82_arg_2; [L215] SORT_1 next_83_arg_1 = var_82; [L216] SORT_1 var_84_arg_0 = var_33; [L217] SORT_1 var_84_arg_1 = var_24; [L218] SORT_1 var_84_arg_2 = input_4; [L219] SORT_1 var_84 = var_84_arg_0 ? var_84_arg_1 : var_84_arg_2; [L220] SORT_1 next_85_arg_1 = var_84; [L221] SORT_1 var_86_arg_0 = input_3; [L222] SORT_5 var_86_arg_1 = input_6; [L223] SORT_5 var_86_arg_2 = state_42; [L224] SORT_5 var_86 = var_86_arg_0 ? var_86_arg_1 : var_86_arg_2; [L225] SORT_1 var_87_arg_0 = var_33; [L226] SORT_5 var_87_arg_1 = var_28; [L227] SORT_5 var_87_arg_2 = var_86; [L228] SORT_5 var_87 = var_87_arg_0 ? var_87_arg_1 : var_87_arg_2; [L229] SORT_5 next_88_arg_1 = var_87; [L230] SORT_1 var_89_arg_0 = input_4; [L231] SORT_5 var_89_arg_1 = input_7; [L232] SORT_5 var_89_arg_2 = state_44; [L233] SORT_5 var_89 = var_89_arg_0 ? var_89_arg_1 : var_89_arg_2; [L234] SORT_1 var_90_arg_0 = var_33; [L235] SORT_5 var_90_arg_1 = var_28; [L236] SORT_5 var_90_arg_2 = var_89; [L237] SORT_5 var_90 = var_90_arg_0 ? var_90_arg_1 : var_90_arg_2; [L238] SORT_5 next_91_arg_1 = var_90; [L240] state_11 = next_51_arg_1 [L241] state_16 = next_56_arg_1 [L242] state_18 = next_73_arg_1 [L243] state_29 = next_76_arg_1 [L244] state_31 = next_79_arg_1 [L245] state_36 = next_81_arg_1 [L246] state_38 = next_83_arg_1 [L247] state_40 = next_85_arg_1 [L248] state_42 = next_88_arg_1 [L249] state_44 = next_91_arg_1 VAL [bad_27_arg_0=0, init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, input_4=0, input_6=0, input_7=0, input_9=1008, mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, next_51_arg_1=1, next_56_arg_1=0, next_73_arg_1=0, next_76_arg_1=0, next_79_arg_1=0, next_81_arg_1=1008, next_83_arg_1=1, next_85_arg_1=1, next_88_arg_1=0, next_91_arg_1=0, state_11=1, state_16=0, state_18=0, state_29=0, state_31=0, state_36=1008, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_13=255, var_13_arg_0=0, var_15=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_21=255, var_21_arg_0=255, var_21_arg_1=1, var_24=1, var_25=0, var_25_arg_0=255, var_26=0, var_26_arg_0=1, var_26_arg_1=0, var_28=0, var_33=1, var_33_arg_0=0, var_35=0, var_46=0, var_46_arg_0=0, var_47=0, var_47_arg_0=0, var_48=0, var_48_arg_0=0, var_48_arg_1=0, var_52=0, var_52_arg_0=0, var_53=0, var_53_arg_0=0, var_54=0, var_54_arg_0=0, var_54_arg_1=0, var_55=0, var_55_arg_0=1, var_55_arg_1=0, var_55_arg_2=0, var_57=1, var_58=1, var_58_arg_0=1, var_59=1, var_59_arg_0=0, var_59_arg_1=1, var_60=0, var_60_arg_0=0, var_61=1000, var_62=0, var_62_arg_0=0, var_62_arg_1=1000, var_63=3735928559, var_64=0, var_64_arg_0=0, var_64_arg_1=3735928559, var_65=0, var_65_arg_0=0, var_65_arg_1=0, var_66=12245771, var_67=0, var_67_arg_0=0, var_67_arg_1=12245771, var_68=0, var_68_arg_0=0, var_68_arg_1=0, var_69=0, var_69_arg_0=0, var_69_arg_1=1, var_69_arg_2=0, var_70=1, var_70_arg_0=1, var_70_arg_1=1, var_71=0, var_71_arg_0=1, var_71_arg_1=0, var_71_arg_2=0, var_72=0, var_72_arg_0=1, var_72_arg_1=0, var_72_arg_2=0, var_74=0, var_74_arg_0=0, var_74_arg_1=0, var_74_arg_2=0, var_75=0, var_75_arg_0=1, var_75_arg_1=0, var_75_arg_2=0, var_77=0, var_77_arg_0=0, var_77_arg_1=0, var_77_arg_2=0, var_78=0, var_78_arg_0=1, var_78_arg_1=0, var_78_arg_2=0, var_80=1008, var_80_arg_0=1, var_80_arg_1=1008, var_80_arg_2=0, var_82=1, var_82_arg_0=1, var_82_arg_1=1, var_82_arg_2=0, var_84=1, var_84_arg_0=1, var_84_arg_1=1, var_84_arg_2=0, var_86=0, var_86_arg_0=0, var_86_arg_1=0, var_86_arg_2=0, var_87=0, var_87_arg_0=1, var_87_arg_1=0, var_87_arg_2=0, var_89=0, var_89_arg_0=0, var_89_arg_1=0, var_89_arg_2=0, var_90=0, var_90_arg_0=1, var_90_arg_1=0, var_90_arg_2=0] [L88] input_2 = __VERIFIER_nondet_uchar() [L89] input_3 = __VERIFIER_nondet_uchar() [L90] input_3 = input_3 & mask_SORT_1 [L91] input_4 = __VERIFIER_nondet_uchar() [L92] input_4 = input_4 & mask_SORT_1 [L93] input_6 = __VERIFIER_nondet_uint() [L94] input_6 = input_6 & mask_SORT_5 [L95] input_7 = __VERIFIER_nondet_uint() [L96] input_7 = input_7 & mask_SORT_5 [L97] input_9 = __VERIFIER_nondet_ushort() [L100] SORT_1 var_13_arg_0 = state_11; [L101] SORT_1 var_13 = ~var_13_arg_0; [L102] SORT_14 var_20_arg_0 = state_16; [L103] SORT_14 var_20_arg_1 = state_18; [L104] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L105] SORT_1 var_21_arg_0 = var_13; [L106] SORT_1 var_21_arg_1 = var_20; [L107] SORT_1 var_21 = var_21_arg_0 | var_21_arg_1; [L108] SORT_1 var_25_arg_0 = var_21; [L109] SORT_1 var_25 = ~var_25_arg_0; [L110] SORT_1 var_26_arg_0 = var_24; [L111] SORT_1 var_26_arg_1 = var_25; [L112] SORT_1 var_26 = var_26_arg_0 & var_26_arg_1; [L113] var_26 = var_26 & mask_SORT_1 [L114] SORT_1 bad_27_arg_0 = var_26; [L115] CALL __VERIFIER_assert(!(bad_27_arg_0)) [L21] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L115] RET __VERIFIER_assert(!(bad_27_arg_0)) [L117] SORT_1 next_51_arg_1 = var_24; [L118] SORT_1 var_33_arg_0 = state_11; [L119] SORT_1 var_33 = ~var_33_arg_0; [L120] var_33 = var_33 & mask_SORT_1 [L121] SORT_5 var_52_arg_0 = state_29; [L122] var_52_arg_0 = var_52_arg_0 & mask_SORT_5 [L123] SORT_14 var_52 = var_52_arg_0; [L124] SORT_5 var_53_arg_0 = state_31; [L125] var_53_arg_0 = var_53_arg_0 & mask_SORT_5 [L126] SORT_14 var_53 = var_53_arg_0; [L127] SORT_14 var_54_arg_0 = var_52; [L128] SORT_14 var_54_arg_1 = var_53; [L129] SORT_14 var_54 = var_54_arg_0 * var_54_arg_1; [L130] SORT_1 var_55_arg_0 = var_33; [L131] SORT_14 var_55_arg_1 = var_15; [L132] SORT_14 var_55_arg_2 = var_54; [L133] SORT_14 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L134] var_55 = var_55 & mask_SORT_14 [L135] SORT_14 next_56_arg_1 = var_55; [L136] SORT_1 var_70_arg_0 = state_38; [L137] SORT_1 var_70_arg_1 = state_40; [L138] SORT_1 var_70 = var_70_arg_0 | var_70_arg_1; [L139] var_70 = var_70 & mask_SORT_1 [L140] SORT_8 var_60_arg_0 = state_36; [L141] var_60_arg_0 = var_60_arg_0 & mask_SORT_8 [L142] SORT_5 var_60 = var_60_arg_0; [L143] SORT_5 var_62_arg_0 = var_60; [L144] SORT_5 var_62_arg_1 = var_61; [L145] SORT_1 var_62 = var_62_arg_0 > var_62_arg_1; [L146] SORT_5 var_64_arg_0 = input_6; [L147] SORT_5 var_64_arg_1 = var_63; [L148] SORT_1 var_64 = var_64_arg_0 == var_64_arg_1; [L149] SORT_1 var_65_arg_0 = var_62; [L150] SORT_1 var_65_arg_1 = var_64; [L151] SORT_1 var_65 = var_65_arg_0 & var_65_arg_1; [L152] SORT_5 var_67_arg_0 = input_7; [L153] SORT_5 var_67_arg_1 = var_66; [L154] SORT_1 var_67 = var_67_arg_0 == var_67_arg_1; [L155] SORT_1 var_68_arg_0 = var_65; [L156] SORT_1 var_68_arg_1 = var_67; [L157] SORT_1 var_68 = var_68_arg_0 & var_68_arg_1; [L158] var_68 = var_68 & mask_SORT_1 [L159] SORT_5 var_46_arg_0 = state_42; [L160] var_46_arg_0 = var_46_arg_0 & mask_SORT_5 [L161] SORT_14 var_46 = var_46_arg_0; [L162] SORT_5 var_47_arg_0 = state_44; [L163] var_47_arg_0 = var_47_arg_0 & mask_SORT_5 [L164] SORT_14 var_47 = var_47_arg_0; [L165] SORT_14 var_48_arg_0 = var_46; [L166] SORT_14 var_48_arg_1 = var_47; [L167] SORT_14 var_48 = var_48_arg_0 * var_48_arg_1; [L168] SORT_5 var_58_arg_0 = var_57; [L169] var_58_arg_0 = var_58_arg_0 & mask_SORT_5 [L170] SORT_14 var_58 = var_58_arg_0; [L171] SORT_14 var_59_arg_0 = var_48; [L172] SORT_14 var_59_arg_1 = var_58; [L173] SORT_14 var_59 = var_59_arg_0 + var_59_arg_1; [L174] SORT_1 var_69_arg_0 = var_68; [L175] SORT_14 var_69_arg_1 = var_59; [L176] SORT_14 var_69_arg_2 = var_48; [L177] SORT_14 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L178] SORT_1 var_71_arg_0 = var_70; [L179] SORT_14 var_71_arg_1 = var_69; [L180] SORT_14 var_71_arg_2 = state_18; [L181] SORT_14 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L182] SORT_1 var_72_arg_0 = var_33; [L183] SORT_14 var_72_arg_1 = var_15; [L184] SORT_14 var_72_arg_2 = var_71; [L185] SORT_14 var_72 = var_72_arg_0 ? var_72_arg_1 : var_72_arg_2; [L186] var_72 = var_72 & mask_SORT_14 [L187] SORT_14 next_73_arg_1 = var_72; [L188] SORT_1 var_74_arg_0 = input_3; [L189] SORT_5 var_74_arg_1 = input_6; [L190] SORT_5 var_74_arg_2 = state_29; [L191] SORT_5 var_74 = var_74_arg_0 ? var_74_arg_1 : var_74_arg_2; [L192] SORT_1 var_75_arg_0 = var_33; [L193] SORT_5 var_75_arg_1 = var_28; [L194] SORT_5 var_75_arg_2 = var_74; [L195] SORT_5 var_75 = var_75_arg_0 ? var_75_arg_1 : var_75_arg_2; [L196] SORT_5 next_76_arg_1 = var_75; [L197] SORT_1 var_77_arg_0 = input_4; [L198] SORT_5 var_77_arg_1 = input_7; [L199] SORT_5 var_77_arg_2 = state_31; [L200] SORT_5 var_77 = var_77_arg_0 ? var_77_arg_1 : var_77_arg_2; [L201] SORT_1 var_78_arg_0 = var_33; [L202] SORT_5 var_78_arg_1 = var_28; [L203] SORT_5 var_78_arg_2 = var_77; [L204] SORT_5 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L205] SORT_5 next_79_arg_1 = var_78; [L206] SORT_1 var_80_arg_0 = var_33; [L207] SORT_8 var_80_arg_1 = input_9; [L208] SORT_8 var_80_arg_2 = state_36; [L209] SORT_8 var_80 = var_80_arg_0 ? var_80_arg_1 : var_80_arg_2; [L210] SORT_8 next_81_arg_1 = var_80; [L211] SORT_1 var_82_arg_0 = var_33; [L212] SORT_1 var_82_arg_1 = var_24; [L213] SORT_1 var_82_arg_2 = input_3; [L214] SORT_1 var_82 = var_82_arg_0 ? var_82_arg_1 : var_82_arg_2; [L215] SORT_1 next_83_arg_1 = var_82; [L216] SORT_1 var_84_arg_0 = var_33; [L217] SORT_1 var_84_arg_1 = var_24; [L218] SORT_1 var_84_arg_2 = input_4; [L219] SORT_1 var_84 = var_84_arg_0 ? var_84_arg_1 : var_84_arg_2; [L220] SORT_1 next_85_arg_1 = var_84; [L221] SORT_1 var_86_arg_0 = input_3; [L222] SORT_5 var_86_arg_1 = input_6; [L223] SORT_5 var_86_arg_2 = state_42; [L224] SORT_5 var_86 = var_86_arg_0 ? var_86_arg_1 : var_86_arg_2; [L225] SORT_1 var_87_arg_0 = var_33; [L226] SORT_5 var_87_arg_1 = var_28; [L227] SORT_5 var_87_arg_2 = var_86; [L228] SORT_5 var_87 = var_87_arg_0 ? var_87_arg_1 : var_87_arg_2; [L229] SORT_5 next_88_arg_1 = var_87; [L230] SORT_1 var_89_arg_0 = input_4; [L231] SORT_5 var_89_arg_1 = input_7; [L232] SORT_5 var_89_arg_2 = state_44; [L233] SORT_5 var_89 = var_89_arg_0 ? var_89_arg_1 : var_89_arg_2; [L234] SORT_1 var_90_arg_0 = var_33; [L235] SORT_5 var_90_arg_1 = var_28; [L236] SORT_5 var_90_arg_2 = var_89; [L237] SORT_5 var_90 = var_90_arg_0 ? var_90_arg_1 : var_90_arg_2; [L238] SORT_5 next_91_arg_1 = var_90; [L240] state_11 = next_51_arg_1 [L241] state_16 = next_56_arg_1 [L242] state_18 = next_73_arg_1 [L243] state_29 = next_76_arg_1 [L244] state_31 = next_79_arg_1 [L245] state_36 = next_81_arg_1 [L246] state_38 = next_83_arg_1 [L247] state_40 = next_85_arg_1 [L248] state_42 = next_88_arg_1 [L249] state_44 = next_91_arg_1 VAL [bad_27_arg_0=0, init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, input_4=0, input_6=3735928559, input_7=12245771, input_9=0, mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, next_51_arg_1=1, next_56_arg_1=0, next_73_arg_1=1, next_76_arg_1=0, next_79_arg_1=0, next_81_arg_1=1008, next_83_arg_1=0, next_85_arg_1=0, next_88_arg_1=0, next_91_arg_1=0, state_11=1, state_16=0, state_18=1, state_29=0, state_31=0, state_36=1008, state_38=0, state_40=0, state_42=0, state_44=0, var_10=0, var_13=254, var_13_arg_0=1, var_15=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_21=255, var_21_arg_0=254, var_21_arg_1=1, var_24=1, var_25=0, var_25_arg_0=255, var_26=0, var_26_arg_0=1, var_26_arg_1=0, var_28=0, var_33=0, var_33_arg_0=1, var_35=0, var_46=0, var_46_arg_0=0, var_47=0, var_47_arg_0=0, var_48=0, var_48_arg_0=0, var_48_arg_1=0, var_52=0, var_52_arg_0=0, var_53=0, var_53_arg_0=0, var_54=0, var_54_arg_0=0, var_54_arg_1=0, var_55=0, var_55_arg_0=0, var_55_arg_1=0, var_55_arg_2=0, var_57=1, var_58=1, var_58_arg_0=1, var_59=1, var_59_arg_0=0, var_59_arg_1=1, var_60=1008, var_60_arg_0=1008, var_61=1000, var_62=1, var_62_arg_0=1008, var_62_arg_1=1000, var_63=3735928559, var_64=1, var_64_arg_0=3735928559, var_64_arg_1=3735928559, var_65=1, var_65_arg_0=1, var_65_arg_1=1, var_66=12245771, var_67=1, var_67_arg_0=12245771, var_67_arg_1=12245771, var_68=1, var_68_arg_0=1, var_68_arg_1=1, var_69=1, var_69_arg_0=1, var_69_arg_1=1, var_69_arg_2=0, var_70=1, var_70_arg_0=1, var_70_arg_1=1, var_71=1, var_71_arg_0=1, var_71_arg_1=1, var_71_arg_2=0, var_72=1, var_72_arg_0=0, var_72_arg_1=0, var_72_arg_2=1, var_74=0, var_74_arg_0=0, var_74_arg_1=3735928559, var_74_arg_2=0, var_75=0, var_75_arg_0=0, var_75_arg_1=0, var_75_arg_2=0, var_77=0, var_77_arg_0=0, var_77_arg_1=12245771, var_77_arg_2=0, var_78=0, var_78_arg_0=0, var_78_arg_1=0, var_78_arg_2=0, var_80=1008, var_80_arg_0=0, var_80_arg_1=0, var_80_arg_2=1008, var_82=0, var_82_arg_0=0, var_82_arg_1=1, var_82_arg_2=0, var_84=0, var_84_arg_0=0, var_84_arg_1=1, var_84_arg_2=0, var_86=0, var_86_arg_0=0, var_86_arg_1=3735928559, var_86_arg_2=0, var_87=0, var_87_arg_0=0, var_87_arg_1=0, var_87_arg_2=0, var_89=0, var_89_arg_0=0, var_89_arg_1=12245771, var_89_arg_2=0, var_90=0, var_90_arg_0=0, var_90_arg_1=0, var_90_arg_2=0] [L88] input_2 = __VERIFIER_nondet_uchar() [L89] input_3 = __VERIFIER_nondet_uchar() [L90] input_3 = input_3 & mask_SORT_1 [L91] input_4 = __VERIFIER_nondet_uchar() [L92] input_4 = input_4 & mask_SORT_1 [L93] input_6 = __VERIFIER_nondet_uint() [L94] input_6 = input_6 & mask_SORT_5 [L95] input_7 = __VERIFIER_nondet_uint() [L96] input_7 = input_7 & mask_SORT_5 [L97] input_9 = __VERIFIER_nondet_ushort() [L100] SORT_1 var_13_arg_0 = state_11; [L101] SORT_1 var_13 = ~var_13_arg_0; [L102] SORT_14 var_20_arg_0 = state_16; [L103] SORT_14 var_20_arg_1 = state_18; [L104] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L105] SORT_1 var_21_arg_0 = var_13; [L106] SORT_1 var_21_arg_1 = var_20; [L107] SORT_1 var_21 = var_21_arg_0 | var_21_arg_1; [L108] SORT_1 var_25_arg_0 = var_21; [L109] SORT_1 var_25 = ~var_25_arg_0; [L110] SORT_1 var_26_arg_0 = var_24; [L111] SORT_1 var_26_arg_1 = var_25; [L112] SORT_1 var_26 = var_26_arg_0 & var_26_arg_1; [L113] var_26 = var_26 & mask_SORT_1 [L114] SORT_1 bad_27_arg_0 = var_26; [L115] CALL __VERIFIER_assert(!(bad_27_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.9s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 8 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=2, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 18 ConstructedInterpolants, 4 QuantifiedInterpolants, 388 SizeOfPredicates, 49 NumberOfNonLiveVariables, 298 ConjunctsInSsa, 49 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-11-06 23:01:20,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba5795a-3842-4bc1-815b-ef68083dcc89/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE