./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/byte_add_2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/byte_add_2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8b7afe619831a9e012e7620d6e0b03d3495f1fd3efb2bdea6bfa4bb1568774e6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:34:42,302 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:34:42,418 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-19 07:34:42,425 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:34:42,426 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:34:42,465 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:34:42,466 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:34:42,466 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:34:42,467 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:34:42,472 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:34:42,474 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:34:42,474 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:34:42,475 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:34:42,476 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:34:42,477 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:34:42,477 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:34:42,478 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:34:42,478 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:34:42,478 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:34:42,479 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:34:42,479 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:34:42,480 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:34:42,480 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 07:34:42,481 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:34:42,481 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:34:42,481 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:34:42,482 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:34:42,483 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:34:42,483 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:34:42,484 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:34:42,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:34:42,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:34:42,485 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:34:42,486 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:34:42,486 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:34:42,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:34:42,486 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:34:42,487 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:34:42,487 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:34:42,487 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:34:42,487 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:34:42,488 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_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b7afe619831a9e012e7620d6e0b03d3495f1fd3efb2bdea6bfa4bb1568774e6 [2023-11-19 07:34:42,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:34:42,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:34:42,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:34:42,826 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:34:42,827 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:34:42,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/bitvector/byte_add_2-1.i [2023-11-19 07:34:45,848 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:34:46,129 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:34:46,129 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/sv-benchmarks/c/bitvector/byte_add_2-1.i [2023-11-19 07:34:46,139 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/data/91306afc6/ed4b1ea6c1f14b93a8cd7125a4a061e7/FLAGe49009fab [2023-11-19 07:34:46,154 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/data/91306afc6/ed4b1ea6c1f14b93a8cd7125a4a061e7 [2023-11-19 07:34:46,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:34:46,158 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:34:46,159 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:34:46,159 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:34:46,165 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:34:46,166 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:34:46" (1/1) ... [2023-11-19 07:34:46,167 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f95ba5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:46, skipping insertion in model container [2023-11-19 07:34:46,167 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:34:46" (1/1) ... [2023-11-19 07:34:46,193 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:34:46,383 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:34:46,393 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:34:46,435 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:34:46,450 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:34:46,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:46 WrapperNode [2023-11-19 07:34:46,451 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:34:46,452 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:34:46,453 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:34:46,453 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:34:46,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:46" (1/1) ... [2023-11-19 07:34:46,471 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:46" (1/1) ... [2023-11-19 07:34:46,543 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 197 [2023-11-19 07:34:46,543 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:34:46,544 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:34:46,544 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:34:46,545 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:34:46,553 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:46" (1/1) ... [2023-11-19 07:34:46,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:46" (1/1) ... [2023-11-19 07:34:46,563 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:46" (1/1) ... [2023-11-19 07:34:46,563 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:46" (1/1) ... [2023-11-19 07:34:46,578 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:46" (1/1) ... [2023-11-19 07:34:46,585 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:46" (1/1) ... [2023-11-19 07:34:46,591 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:46" (1/1) ... [2023-11-19 07:34:46,594 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:46" (1/1) ... [2023-11-19 07:34:46,599 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:34:46,600 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:34:46,601 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:34:46,601 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:34:46,602 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:46" (1/1) ... [2023-11-19 07:34:46,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:34:46,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:34:46,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:34:46,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:34:46,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:34:46,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:34:46,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:34:46,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:34:46,806 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:34:46,809 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:34:47,351 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:34:47,364 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:34:47,365 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:34:47,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:34:47 BoogieIcfgContainer [2023-11-19 07:34:47,374 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:34:47,378 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:34:47,378 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:34:47,382 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:34:47,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:34:46" (1/3) ... [2023-11-19 07:34:47,383 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3085b6fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:34:47, skipping insertion in model container [2023-11-19 07:34:47,384 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:46" (2/3) ... [2023-11-19 07:34:47,386 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3085b6fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:34:47, skipping insertion in model container [2023-11-19 07:34:47,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:34:47" (3/3) ... [2023-11-19 07:34:47,388 INFO L112 eAbstractionObserver]: Analyzing ICFG byte_add_2-1.i [2023-11-19 07:34:47,410 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:34:47,411 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2023-11-19 07:34:47,490 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:34:47,497 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@40b73c5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:34:47,498 INFO L358 AbstractCegarLoop]: Starting to check reachability of 41 error locations. [2023-11-19 07:34:47,502 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 87 states have (on average 1.896551724137931) internal successors, (165), 128 states have internal predecessors, (165), 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) [2023-11-19 07:34:47,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 07:34:47,507 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:34:47,508 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-19 07:34:47,509 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 07:34:47,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:34:47,518 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2023-11-19 07:34:47,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:34:47,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153856762] [2023-11-19 07:34:47,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:47,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:34:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:47,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:34:47,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:34:47,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153856762] [2023-11-19 07:34:47,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153856762] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:34:47,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:34:47,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-19 07:34:47,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006468828] [2023-11-19 07:34:47,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:34:47,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:34:47,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:34:47,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:34:47,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:34:47,820 INFO L87 Difference]: Start difference. First operand has 129 states, 87 states have (on average 1.896551724137931) internal successors, (165), 128 states have internal predecessors, (165), 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 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:34:47,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:34:47,862 INFO L93 Difference]: Finished difference Result 161 states and 220 transitions. [2023-11-19 07:34:47,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:34:47,864 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-11-19 07:34:47,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:34:47,872 INFO L225 Difference]: With dead ends: 161 [2023-11-19 07:34:47,873 INFO L226 Difference]: Without dead ends: 77 [2023-11-19 07:34:47,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:34:47,880 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:34:47,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:34:47,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-19 07:34:47,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-19 07:34:47,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 76 states have (on average 1.4078947368421053) internal successors, (107), 76 states have internal predecessors, (107), 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) [2023-11-19 07:34:47,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 107 transitions. [2023-11-19 07:34:47,920 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 107 transitions. Word has length 4 [2023-11-19 07:34:47,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:34:47,921 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 107 transitions. [2023-11-19 07:34:47,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:34:47,921 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2023-11-19 07:34:47,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 07:34:47,923 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:34:47,923 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:34:47,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:34:47,923 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 07:34:47,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:34:47,924 INFO L85 PathProgramCache]: Analyzing trace with hash 295956508, now seen corresponding path program 1 times [2023-11-19 07:34:47,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:34:47,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742902533] [2023-11-19 07:34:47,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:47,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:34:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:48,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:34:48,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:34:48,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742902533] [2023-11-19 07:34:48,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742902533] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:34:48,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:34:48,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:34:48,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355612045] [2023-11-19 07:34:48,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:34:48,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:34:48,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:34:48,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:34:48,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:34:48,200 INFO L87 Difference]: Start difference. First operand 77 states and 107 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2023-11-19 07:34:48,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:34:48,357 INFO L93 Difference]: Finished difference Result 161 states and 236 transitions. [2023-11-19 07:34:48,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:34:48,358 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 19 [2023-11-19 07:34:48,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:34:48,359 INFO L225 Difference]: With dead ends: 161 [2023-11-19 07:34:48,360 INFO L226 Difference]: Without dead ends: 106 [2023-11-19 07:34:48,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:34:48,362 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 30 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:34:48,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 145 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:34:48,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2023-11-19 07:34:48,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 102. [2023-11-19 07:34:48,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 101 states have (on average 1.3465346534653466) internal successors, (136), 101 states have internal predecessors, (136), 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) [2023-11-19 07:34:48,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 136 transitions. [2023-11-19 07:34:48,376 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 136 transitions. Word has length 19 [2023-11-19 07:34:48,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:34:48,377 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 136 transitions. [2023-11-19 07:34:48,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2023-11-19 07:34:48,377 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 136 transitions. [2023-11-19 07:34:48,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 07:34:48,380 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:34:48,380 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] [2023-11-19 07:34:48,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:34:48,381 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 07:34:48,382 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:34:48,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1601634302, now seen corresponding path program 1 times [2023-11-19 07:34:48,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:34:48,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961328745] [2023-11-19 07:34:48,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:48,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:34:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:48,530 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:34:48,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:34:48,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961328745] [2023-11-19 07:34:48,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961328745] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:34:48,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:34:48,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:34:48,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295723795] [2023-11-19 07:34:48,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:34:48,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:34:48,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:34:48,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:34:48,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:34:48,534 INFO L87 Difference]: Start difference. First operand 102 states and 136 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:34:48,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:34:48,802 INFO L93 Difference]: Finished difference Result 230 states and 341 transitions. [2023-11-19 07:34:48,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:34:48,803 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2023-11-19 07:34:48,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:34:48,809 INFO L225 Difference]: With dead ends: 230 [2023-11-19 07:34:48,809 INFO L226 Difference]: Without dead ends: 175 [2023-11-19 07:34:48,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:34:48,812 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 114 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:34:48,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 199 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:34:48,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2023-11-19 07:34:48,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 127. [2023-11-19 07:34:48,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 126 states have (on average 1.373015873015873) internal successors, (173), 126 states have internal predecessors, (173), 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) [2023-11-19 07:34:48,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 173 transitions. [2023-11-19 07:34:48,837 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 173 transitions. Word has length 26 [2023-11-19 07:34:48,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:34:48,837 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 173 transitions. [2023-11-19 07:34:48,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:34:48,838 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 173 transitions. [2023-11-19 07:34:48,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 07:34:48,849 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:34:48,850 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:34:48,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:34:48,851 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 07:34:48,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:34:48,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1014937112, now seen corresponding path program 1 times [2023-11-19 07:34:48,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:34:48,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023514059] [2023-11-19 07:34:48,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:48,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:34:48,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:49,169 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 07:34:49,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:34:49,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023514059] [2023-11-19 07:34:49,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023514059] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:34:49,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:34:49,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:34:49,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003799553] [2023-11-19 07:34:49,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:34:49,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:34:49,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:34:49,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:34:49,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:34:49,175 INFO L87 Difference]: Start difference. First operand 127 states and 173 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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) [2023-11-19 07:34:49,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:34:49,355 INFO L93 Difference]: Finished difference Result 362 states and 491 transitions. [2023-11-19 07:34:49,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:34:49,356 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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 33 [2023-11-19 07:34:49,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:34:49,358 INFO L225 Difference]: With dead ends: 362 [2023-11-19 07:34:49,359 INFO L226 Difference]: Without dead ends: 260 [2023-11-19 07:34:49,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:34:49,369 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 140 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:34:49,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 351 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:34:49,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2023-11-19 07:34:49,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 140. [2023-11-19 07:34:49,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 139 states have (on average 1.3597122302158273) internal successors, (189), 139 states have internal predecessors, (189), 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) [2023-11-19 07:34:49,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 189 transitions. [2023-11-19 07:34:49,398 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 189 transitions. Word has length 33 [2023-11-19 07:34:49,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:34:49,399 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 189 transitions. [2023-11-19 07:34:49,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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) [2023-11-19 07:34:49,399 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 189 transitions. [2023-11-19 07:34:49,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 07:34:49,401 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:34:49,401 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2023-11-19 07:34:49,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:34:49,402 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 07:34:49,402 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:34:49,406 INFO L85 PathProgramCache]: Analyzing trace with hash -36396044, now seen corresponding path program 1 times [2023-11-19 07:34:49,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:34:49,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311691027] [2023-11-19 07:34:49,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:49,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:34:49,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:49,583 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 07:34:49,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:34:49,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311691027] [2023-11-19 07:34:49,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311691027] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:34:49,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:34:49,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:34:49,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645874016] [2023-11-19 07:34:49,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:34:49,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:34:49,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:34:49,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:34:49,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:34:49,587 INFO L87 Difference]: Start difference. First operand 140 states and 189 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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) [2023-11-19 07:34:49,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:34:49,793 INFO L93 Difference]: Finished difference Result 368 states and 497 transitions. [2023-11-19 07:34:49,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:34:49,794 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2023-11-19 07:34:49,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:34:49,795 INFO L225 Difference]: With dead ends: 368 [2023-11-19 07:34:49,796 INFO L226 Difference]: Without dead ends: 266 [2023-11-19 07:34:49,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:34:49,805 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 129 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:34:49,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 341 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:34:49,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2023-11-19 07:34:49,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 153. [2023-11-19 07:34:49,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 152 states have (on average 1.3355263157894737) internal successors, (203), 152 states have internal predecessors, (203), 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) [2023-11-19 07:34:49,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 203 transitions. [2023-11-19 07:34:49,827 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 203 transitions. Word has length 36 [2023-11-19 07:34:49,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:34:49,827 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 203 transitions. [2023-11-19 07:34:49,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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) [2023-11-19 07:34:49,837 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 203 transitions. [2023-11-19 07:34:49,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 07:34:49,838 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:34:49,838 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2023-11-19 07:34:49,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:34:49,839 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 07:34:49,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:34:49,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1620717245, now seen corresponding path program 1 times [2023-11-19 07:34:49,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:34:49,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371213030] [2023-11-19 07:34:49,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:49,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:34:49,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:50,010 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:34:50,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:34:50,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371213030] [2023-11-19 07:34:50,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371213030] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:34:50,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580948573] [2023-11-19 07:34:50,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:50,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:34:50,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:34:50,013 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:34:50,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:34:50,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:50,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 07:34:50,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:34:50,186 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 07:34:50,187 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:34:50,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [580948573] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:34:50,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:34:50,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2023-11-19 07:34:50,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241271649] [2023-11-19 07:34:50,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:34:50,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:34:50,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:34:50,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:34:50,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:34:50,195 INFO L87 Difference]: Start difference. First operand 153 states and 203 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:34:50,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:34:50,558 INFO L93 Difference]: Finished difference Result 584 states and 813 transitions. [2023-11-19 07:34:50,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:34:50,559 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2023-11-19 07:34:50,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:34:50,562 INFO L225 Difference]: With dead ends: 584 [2023-11-19 07:34:50,562 INFO L226 Difference]: Without dead ends: 467 [2023-11-19 07:34:50,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-19 07:34:50,563 INFO L413 NwaCegarLoop]: 236 mSDtfsCounter, 280 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:34:50,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 626 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 07:34:50,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2023-11-19 07:34:50,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 257. [2023-11-19 07:34:50,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 256 states have (on average 1.33984375) internal successors, (343), 256 states have internal predecessors, (343), 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) [2023-11-19 07:34:50,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 343 transitions. [2023-11-19 07:34:50,581 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 343 transitions. Word has length 39 [2023-11-19 07:34:50,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:34:50,581 INFO L495 AbstractCegarLoop]: Abstraction has 257 states and 343 transitions. [2023-11-19 07:34:50,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:34:50,582 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 343 transitions. [2023-11-19 07:34:50,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 07:34:50,583 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:34:50,583 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2023-11-19 07:34:50,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:34:50,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:34:50,808 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 07:34:50,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:34:50,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1279523034, now seen corresponding path program 1 times [2023-11-19 07:34:50,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:34:50,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089102384] [2023-11-19 07:34:50,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:50,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:34:50,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:50,982 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:34:50,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:34:50,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089102384] [2023-11-19 07:34:50,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089102384] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:34:50,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125277033] [2023-11-19 07:34:50,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:50,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:34:50,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:34:50,986 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:34:51,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 07:34:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:51,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 07:34:51,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:34:51,140 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 07:34:51,140 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:34:51,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1125277033] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:34:51,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:34:51,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2023-11-19 07:34:51,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066897162] [2023-11-19 07:34:51,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:34:51,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:34:51,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:34:51,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:34:51,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:34:51,143 INFO L87 Difference]: Start difference. First operand 257 states and 343 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 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) [2023-11-19 07:34:51,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:34:51,469 INFO L93 Difference]: Finished difference Result 978 states and 1347 transitions. [2023-11-19 07:34:51,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:34:51,469 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 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 [2023-11-19 07:34:51,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:34:51,474 INFO L225 Difference]: With dead ends: 978 [2023-11-19 07:34:51,474 INFO L226 Difference]: Without dead ends: 772 [2023-11-19 07:34:51,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-19 07:34:51,477 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 241 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:34:51,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 588 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 07:34:51,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2023-11-19 07:34:51,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 572. [2023-11-19 07:34:51,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 572 states, 571 states have (on average 1.3677758318739055) internal successors, (781), 571 states have internal predecessors, (781), 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) [2023-11-19 07:34:51,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 572 states and 781 transitions. [2023-11-19 07:34:51,507 INFO L78 Accepts]: Start accepts. Automaton has 572 states and 781 transitions. Word has length 42 [2023-11-19 07:34:51,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:34:51,507 INFO L495 AbstractCegarLoop]: Abstraction has 572 states and 781 transitions. [2023-11-19 07:34:51,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 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) [2023-11-19 07:34:51,507 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 781 transitions. [2023-11-19 07:34:51,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 07:34:51,509 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:34:51,509 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2023-11-19 07:34:51,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:34:51,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-19 07:34:51,730 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 07:34:51,731 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:34:51,731 INFO L85 PathProgramCache]: Analyzing trace with hash 661889694, now seen corresponding path program 1 times [2023-11-19 07:34:51,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:34:51,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563654073] [2023-11-19 07:34:51,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:51,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:34:51,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:51,845 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:34:51,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:34:51,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563654073] [2023-11-19 07:34:51,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563654073] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:34:51,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1855385343] [2023-11-19 07:34:51,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:51,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:34:51,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:34:51,847 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:34:51,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 07:34:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:51,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 07:34:51,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:34:51,977 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 07:34:51,977 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:34:51,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1855385343] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:34:51,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:34:51,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2023-11-19 07:34:51,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489627003] [2023-11-19 07:34:51,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:34:51,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:34:51,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:34:51,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:34:51,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:34:51,979 INFO L87 Difference]: Start difference. First operand 572 states and 781 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2023-11-19 07:34:52,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:34:52,187 INFO L93 Difference]: Finished difference Result 1386 states and 1995 transitions. [2023-11-19 07:34:52,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:34:52,187 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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 45 [2023-11-19 07:34:52,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:34:52,193 INFO L225 Difference]: With dead ends: 1386 [2023-11-19 07:34:52,193 INFO L226 Difference]: Without dead ends: 811 [2023-11-19 07:34:52,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:34:52,195 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 48 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:34:52,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 241 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:34:52,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2023-11-19 07:34:52,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 699. [2023-11-19 07:34:52,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 698 states have (on average 1.2951289398280803) internal successors, (904), 698 states have internal predecessors, (904), 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) [2023-11-19 07:34:52,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 904 transitions. [2023-11-19 07:34:52,242 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 904 transitions. Word has length 45 [2023-11-19 07:34:52,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:34:52,242 INFO L495 AbstractCegarLoop]: Abstraction has 699 states and 904 transitions. [2023-11-19 07:34:52,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2023-11-19 07:34:52,243 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 904 transitions. [2023-11-19 07:34:52,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 07:34:52,245 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:34:52,245 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 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] [2023-11-19 07:34:52,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-19 07:34:52,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-19 07:34:52,465 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 07:34:52,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:34:52,466 INFO L85 PathProgramCache]: Analyzing trace with hash 173268924, now seen corresponding path program 1 times [2023-11-19 07:34:52,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:34:52,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132482801] [2023-11-19 07:34:52,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:52,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:34:52,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:52,638 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:34:52,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:34:52,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132482801] [2023-11-19 07:34:52,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132482801] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:34:52,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [347882526] [2023-11-19 07:34:52,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:52,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:34:52,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:34:52,640 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:34:52,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 07:34:52,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:52,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 07:34:52,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:34:52,746 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 07:34:52,747 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:34:52,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [347882526] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:34:52,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:34:52,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2023-11-19 07:34:52,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047643199] [2023-11-19 07:34:52,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:34:52,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:34:52,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:34:52,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:34:52,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:34:52,754 INFO L87 Difference]: Start difference. First operand 699 states and 904 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2023-11-19 07:34:52,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:34:52,944 INFO L93 Difference]: Finished difference Result 1613 states and 2166 transitions. [2023-11-19 07:34:52,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:34:52,945 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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 52 [2023-11-19 07:34:52,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:34:52,950 INFO L225 Difference]: With dead ends: 1613 [2023-11-19 07:34:52,950 INFO L226 Difference]: Without dead ends: 955 [2023-11-19 07:34:52,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:34:52,954 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 47 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:34:52,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 241 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:34:52,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2023-11-19 07:34:52,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 816. [2023-11-19 07:34:52,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 816 states, 815 states have (on average 1.2822085889570551) internal successors, (1045), 815 states have internal predecessors, (1045), 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) [2023-11-19 07:34:52,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 1045 transitions. [2023-11-19 07:34:52,986 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 1045 transitions. Word has length 52 [2023-11-19 07:34:52,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:34:52,988 INFO L495 AbstractCegarLoop]: Abstraction has 816 states and 1045 transitions. [2023-11-19 07:34:52,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2023-11-19 07:34:52,989 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1045 transitions. [2023-11-19 07:34:52,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 07:34:52,991 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:34:52,991 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 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] [2023-11-19 07:34:53,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-19 07:34:53,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-19 07:34:53,215 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 07:34:53,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:34:53,216 INFO L85 PathProgramCache]: Analyzing trace with hash 250948634, now seen corresponding path program 1 times [2023-11-19 07:34:53,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:34:53,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721321822] [2023-11-19 07:34:53,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:53,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:34:53,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:53,296 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 07:34:53,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:34:53,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721321822] [2023-11-19 07:34:53,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721321822] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:34:53,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:34:53,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:34:53,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276065895] [2023-11-19 07:34:53,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:34:53,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:34:53,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:34:53,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:34:53,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:34:53,298 INFO L87 Difference]: Start difference. First operand 816 states and 1045 transitions. Second operand has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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) [2023-11-19 07:34:53,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:34:53,321 INFO L93 Difference]: Finished difference Result 861 states and 1100 transitions. [2023-11-19 07:34:53,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:34:53,321 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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 59 [2023-11-19 07:34:53,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:34:53,326 INFO L225 Difference]: With dead ends: 861 [2023-11-19 07:34:53,326 INFO L226 Difference]: Without dead ends: 788 [2023-11-19 07:34:53,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:34:53,327 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 14 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:34:53,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 221 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:34:53,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2023-11-19 07:34:53,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 784. [2023-11-19 07:34:53,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 784 states, 783 states have (on average 1.2669220945083015) internal successors, (992), 783 states have internal predecessors, (992), 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) [2023-11-19 07:34:53,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 992 transitions. [2023-11-19 07:34:53,356 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 992 transitions. Word has length 59 [2023-11-19 07:34:53,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:34:53,356 INFO L495 AbstractCegarLoop]: Abstraction has 784 states and 992 transitions. [2023-11-19 07:34:53,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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) [2023-11-19 07:34:53,356 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 992 transitions. [2023-11-19 07:34:53,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-19 07:34:53,358 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:34:53,358 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2023-11-19 07:34:53,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-19 07:34:53,359 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 07:34:53,359 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:34:53,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1927264858, now seen corresponding path program 1 times [2023-11-19 07:34:53,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:34:53,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109112690] [2023-11-19 07:34:53,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:53,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:34:53,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:53,596 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-19 07:34:53,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:34:53,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109112690] [2023-11-19 07:34:53,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109112690] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:34:53,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:34:53,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:34:53,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338106561] [2023-11-19 07:34:53,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:34:53,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:34:53,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:34:53,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:34:53,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:34:53,598 INFO L87 Difference]: Start difference. First operand 784 states and 992 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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) [2023-11-19 07:34:53,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:34:53,807 INFO L93 Difference]: Finished difference Result 2248 states and 2811 transitions. [2023-11-19 07:34:53,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:34:53,807 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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 71 [2023-11-19 07:34:53,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:34:53,815 INFO L225 Difference]: With dead ends: 2248 [2023-11-19 07:34:53,815 INFO L226 Difference]: Without dead ends: 1516 [2023-11-19 07:34:53,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:34:53,817 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 178 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:34:53,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 234 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:34:53,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1516 states. [2023-11-19 07:34:53,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1516 to 1002. [2023-11-19 07:34:53,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1002 states, 1001 states have (on average 1.2567432567432568) internal successors, (1258), 1001 states have internal predecessors, (1258), 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) [2023-11-19 07:34:53,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 1002 states and 1258 transitions. [2023-11-19 07:34:53,865 INFO L78 Accepts]: Start accepts. Automaton has 1002 states and 1258 transitions. Word has length 71 [2023-11-19 07:34:53,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:34:53,866 INFO L495 AbstractCegarLoop]: Abstraction has 1002 states and 1258 transitions. [2023-11-19 07:34:53,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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) [2023-11-19 07:34:53,866 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1258 transitions. [2023-11-19 07:34:53,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-19 07:34:53,868 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:34:53,868 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2023-11-19 07:34:53,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-19 07:34:53,869 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 07:34:53,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:34:53,869 INFO L85 PathProgramCache]: Analyzing trace with hash 452535220, now seen corresponding path program 1 times [2023-11-19 07:34:53,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:34:53,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633513774] [2023-11-19 07:34:53,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:53,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:34:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:54,000 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 07:34:54,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:34:54,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633513774] [2023-11-19 07:34:54,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633513774] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:34:54,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:34:54,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:34:54,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234064825] [2023-11-19 07:34:54,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:34:54,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:34:54,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:34:54,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:34:54,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:34:54,003 INFO L87 Difference]: Start difference. First operand 1002 states and 1258 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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) [2023-11-19 07:34:54,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:34:54,091 INFO L93 Difference]: Finished difference Result 2520 states and 3160 transitions. [2023-11-19 07:34:54,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:34:54,092 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 77 [2023-11-19 07:34:54,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:34:54,100 INFO L225 Difference]: With dead ends: 2520 [2023-11-19 07:34:54,100 INFO L226 Difference]: Without dead ends: 1574 [2023-11-19 07:34:54,102 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 [2023-11-19 07:34:54,102 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 67 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:34:54,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 326 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:34:54,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1574 states. [2023-11-19 07:34:54,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1574 to 1112. [2023-11-19 07:34:54,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 1111 states have (on average 1.2871287128712872) internal successors, (1430), 1111 states have internal predecessors, (1430), 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) [2023-11-19 07:34:54,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1430 transitions. [2023-11-19 07:34:54,179 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1430 transitions. Word has length 77 [2023-11-19 07:34:54,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:34:54,180 INFO L495 AbstractCegarLoop]: Abstraction has 1112 states and 1430 transitions. [2023-11-19 07:34:54,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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) [2023-11-19 07:34:54,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1430 transitions. [2023-11-19 07:34:54,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-19 07:34:54,183 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:34:54,183 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1] [2023-11-19 07:34:54,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-19 07:34:54,183 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 07:34:54,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:34:54,184 INFO L85 PathProgramCache]: Analyzing trace with hash 711686590, now seen corresponding path program 1 times [2023-11-19 07:34:54,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:34:54,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441809402] [2023-11-19 07:34:54,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:54,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:34:54,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:54,358 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 07:34:54,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:34:54,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441809402] [2023-11-19 07:34:54,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441809402] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:34:54,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:34:54,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:34:54,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763708000] [2023-11-19 07:34:54,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:34:54,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:34:54,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:34:54,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:34:54,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:34:54,360 INFO L87 Difference]: Start difference. First operand 1112 states and 1430 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 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) [2023-11-19 07:34:54,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:34:54,692 INFO L93 Difference]: Finished difference Result 2160 states and 2758 transitions. [2023-11-19 07:34:54,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 07:34:54,692 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 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 83 [2023-11-19 07:34:54,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:34:54,702 INFO L225 Difference]: With dead ends: 2160 [2023-11-19 07:34:54,702 INFO L226 Difference]: Without dead ends: 1768 [2023-11-19 07:34:54,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:34:54,703 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 194 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:34:54,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 338 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:34:54,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1768 states. [2023-11-19 07:34:54,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1768 to 1433. [2023-11-19 07:34:54,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1433 states, 1432 states have (on average 1.2786312849162011) internal successors, (1831), 1432 states have internal predecessors, (1831), 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) [2023-11-19 07:34:54,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 1433 states and 1831 transitions. [2023-11-19 07:34:54,767 INFO L78 Accepts]: Start accepts. Automaton has 1433 states and 1831 transitions. Word has length 83 [2023-11-19 07:34:54,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:34:54,768 INFO L495 AbstractCegarLoop]: Abstraction has 1433 states and 1831 transitions. [2023-11-19 07:34:54,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 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) [2023-11-19 07:34:54,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 1831 transitions. [2023-11-19 07:34:54,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-19 07:34:54,771 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:34:54,771 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:34:54,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-19 07:34:54,772 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 07:34:54,772 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:34:54,772 INFO L85 PathProgramCache]: Analyzing trace with hash 686860962, now seen corresponding path program 1 times [2023-11-19 07:34:54,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:34:54,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709510264] [2023-11-19 07:34:54,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:54,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:34:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:54,901 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 46 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 07:34:54,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:34:54,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709510264] [2023-11-19 07:34:54,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709510264] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:34:54,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1042716333] [2023-11-19 07:34:54,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:54,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:34:54,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:34:54,903 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:34:54,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 07:34:54,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:54,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:34:54,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:34:55,078 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 07:34:55,079 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:34:55,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1042716333] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:34:55,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:34:55,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 4 [2023-11-19 07:34:55,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793260567] [2023-11-19 07:34:55,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:34:55,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:34:55,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:34:55,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:34:55,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:34:55,081 INFO L87 Difference]: Start difference. First operand 1433 states and 1831 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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) [2023-11-19 07:34:55,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:34:55,242 INFO L93 Difference]: Finished difference Result 3031 states and 3856 transitions. [2023-11-19 07:34:55,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:34:55,243 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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 83 [2023-11-19 07:34:55,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:34:55,255 INFO L225 Difference]: With dead ends: 3031 [2023-11-19 07:34:55,255 INFO L226 Difference]: Without dead ends: 2277 [2023-11-19 07:34:55,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:34:55,258 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 100 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:34:55,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 209 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:34:55,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2277 states. [2023-11-19 07:34:55,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2277 to 1733. [2023-11-19 07:34:55,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1733 states, 1732 states have (on average 1.283487297921478) internal successors, (2223), 1732 states have internal predecessors, (2223), 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) [2023-11-19 07:34:55,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1733 states to 1733 states and 2223 transitions. [2023-11-19 07:34:55,344 INFO L78 Accepts]: Start accepts. Automaton has 1733 states and 2223 transitions. Word has length 83 [2023-11-19 07:34:55,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:34:55,344 INFO L495 AbstractCegarLoop]: Abstraction has 1733 states and 2223 transitions. [2023-11-19 07:34:55,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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) [2023-11-19 07:34:55,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1733 states and 2223 transitions. [2023-11-19 07:34:55,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-19 07:34:55,348 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:34:55,348 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1] [2023-11-19 07:34:55,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:34:55,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-19 07:34:55,569 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 07:34:55,569 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:34:55,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1984632966, now seen corresponding path program 1 times [2023-11-19 07:34:55,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:34:55,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969402426] [2023-11-19 07:34:55,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:55,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:34:55,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:55,782 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 07:34:55,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:34:55,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969402426] [2023-11-19 07:34:55,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969402426] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:34:55,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:34:55,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:34:55,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068514105] [2023-11-19 07:34:55,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:34:55,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:34:55,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:34:55,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:34:55,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:34:55,784 INFO L87 Difference]: Start difference. First operand 1733 states and 2223 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 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) [2023-11-19 07:34:56,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:34:56,136 INFO L93 Difference]: Finished difference Result 3653 states and 4638 transitions. [2023-11-19 07:34:56,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 07:34:56,137 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 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 83 [2023-11-19 07:34:56,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:34:56,149 INFO L225 Difference]: With dead ends: 3653 [2023-11-19 07:34:56,150 INFO L226 Difference]: Without dead ends: 2591 [2023-11-19 07:34:56,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:34:56,152 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 284 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:34:56,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 262 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:34:56,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2591 states. [2023-11-19 07:34:56,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2591 to 2013. [2023-11-19 07:34:56,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2013 states, 2012 states have (on average 1.2733598409542743) internal successors, (2562), 2012 states have internal predecessors, (2562), 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) [2023-11-19 07:34:56,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2013 states to 2013 states and 2562 transitions. [2023-11-19 07:34:56,252 INFO L78 Accepts]: Start accepts. Automaton has 2013 states and 2562 transitions. Word has length 83 [2023-11-19 07:34:56,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:34:56,253 INFO L495 AbstractCegarLoop]: Abstraction has 2013 states and 2562 transitions. [2023-11-19 07:34:56,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 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) [2023-11-19 07:34:56,253 INFO L276 IsEmpty]: Start isEmpty. Operand 2013 states and 2562 transitions. [2023-11-19 07:34:56,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-19 07:34:56,257 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:34:56,257 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2023-11-19 07:34:56,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-19 07:34:56,257 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 07:34:56,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:34:56,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1743507731, now seen corresponding path program 1 times [2023-11-19 07:34:56,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:34:56,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673163254] [2023-11-19 07:34:56,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:56,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:34:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:56,437 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 39 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 07:34:56,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:34:56,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673163254] [2023-11-19 07:34:56,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673163254] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:34:56,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257004280] [2023-11-19 07:34:56,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:56,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:34:56,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:34:56,443 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:34:56,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-19 07:34:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:56,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 07:34:56,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:34:56,622 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 26 proven. 43 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 07:34:56,622 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:34:56,708 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 39 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 07:34:56,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257004280] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:34:56,709 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:34:56,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 4] total 9 [2023-11-19 07:34:56,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857922580] [2023-11-19 07:34:56,710 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:34:56,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-19 07:34:56,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:34:56,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-19 07:34:56,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-11-19 07:34:56,712 INFO L87 Difference]: Start difference. First operand 2013 states and 2562 transitions. Second operand has 10 states, 9 states have (on average 12.777777777777779) internal successors, (115), 10 states have internal predecessors, (115), 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) [2023-11-19 07:34:58,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:34:58,492 INFO L93 Difference]: Finished difference Result 12486 states and 15069 transitions. [2023-11-19 07:34:58,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-11-19 07:34:58,493 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 12.777777777777779) internal successors, (115), 10 states have internal predecessors, (115), 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 83 [2023-11-19 07:34:58,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:34:58,543 INFO L225 Difference]: With dead ends: 12486 [2023-11-19 07:34:58,544 INFO L226 Difference]: Without dead ends: 10289 [2023-11-19 07:34:58,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 842 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=531, Invalid=2225, Unknown=0, NotChecked=0, Total=2756 [2023-11-19 07:34:58,550 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 887 mSDsluCounter, 886 mSDsCounter, 0 mSdLazyCounter, 1016 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 887 SdHoareTripleChecker+Valid, 1069 SdHoareTripleChecker+Invalid, 1042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1016 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-19 07:34:58,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [887 Valid, 1069 Invalid, 1042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1016 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-19 07:34:58,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10289 states. [2023-11-19 07:34:58,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10289 to 2635. [2023-11-19 07:34:58,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2635 states, 2634 states have (on average 1.3477600607441154) internal successors, (3550), 2634 states have internal predecessors, (3550), 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) [2023-11-19 07:34:58,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2635 states to 2635 states and 3550 transitions. [2023-11-19 07:34:58,790 INFO L78 Accepts]: Start accepts. Automaton has 2635 states and 3550 transitions. Word has length 83 [2023-11-19 07:34:58,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:34:58,790 INFO L495 AbstractCegarLoop]: Abstraction has 2635 states and 3550 transitions. [2023-11-19 07:34:58,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 12.777777777777779) internal successors, (115), 10 states have internal predecessors, (115), 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) [2023-11-19 07:34:58,791 INFO L276 IsEmpty]: Start isEmpty. Operand 2635 states and 3550 transitions. [2023-11-19 07:34:58,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-19 07:34:58,795 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:34:58,795 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2023-11-19 07:34:58,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-19 07:34:59,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-19 07:34:59,014 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 07:34:59,015 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:34:59,015 INFO L85 PathProgramCache]: Analyzing trace with hash 731405116, now seen corresponding path program 1 times [2023-11-19 07:34:59,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:34:59,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896312274] [2023-11-19 07:34:59,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:59,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:34:59,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:59,266 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 07:34:59,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:34:59,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896312274] [2023-11-19 07:34:59,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896312274] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:34:59,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:34:59,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 07:34:59,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846878395] [2023-11-19 07:34:59,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:34:59,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:34:59,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:34:59,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:34:59,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:34:59,269 INFO L87 Difference]: Start difference. First operand 2635 states and 3550 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 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) [2023-11-19 07:34:59,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:34:59,813 INFO L93 Difference]: Finished difference Result 4797 states and 6401 transitions. [2023-11-19 07:34:59,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-19 07:34:59,814 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 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 89 [2023-11-19 07:34:59,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:34:59,835 INFO L225 Difference]: With dead ends: 4797 [2023-11-19 07:34:59,835 INFO L226 Difference]: Without dead ends: 3420 [2023-11-19 07:34:59,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2023-11-19 07:34:59,839 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 310 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 07:34:59,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 323 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 07:34:59,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3420 states. [2023-11-19 07:34:59,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3420 to 2660. [2023-11-19 07:34:59,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2660 states, 2659 states have (on average 1.3508837908988343) internal successors, (3592), 2659 states have internal predecessors, (3592), 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) [2023-11-19 07:34:59,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2660 states to 2660 states and 3592 transitions. [2023-11-19 07:34:59,975 INFO L78 Accepts]: Start accepts. Automaton has 2660 states and 3592 transitions. Word has length 89 [2023-11-19 07:34:59,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:34:59,975 INFO L495 AbstractCegarLoop]: Abstraction has 2660 states and 3592 transitions. [2023-11-19 07:34:59,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 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) [2023-11-19 07:34:59,975 INFO L276 IsEmpty]: Start isEmpty. Operand 2660 states and 3592 transitions. [2023-11-19 07:34:59,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-19 07:34:59,981 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:34:59,982 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2023-11-19 07:34:59,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-19 07:34:59,982 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 07:34:59,982 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:34:59,983 INFO L85 PathProgramCache]: Analyzing trace with hash 128280584, now seen corresponding path program 1 times [2023-11-19 07:34:59,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:34:59,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135568003] [2023-11-19 07:34:59,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:59,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:00,214 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 07:35:00,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:35:00,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135568003] [2023-11-19 07:35:00,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135568003] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:35:00,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:35:00,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 07:35:00,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996221183] [2023-11-19 07:35:00,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:35:00,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:35:00,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:35:00,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:35:00,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:35:00,217 INFO L87 Difference]: Start difference. First operand 2660 states and 3592 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 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) [2023-11-19 07:35:00,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:00,719 INFO L93 Difference]: Finished difference Result 5227 states and 7014 transitions. [2023-11-19 07:35:00,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-19 07:35:00,720 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 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 89 [2023-11-19 07:35:00,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:35:00,743 INFO L225 Difference]: With dead ends: 5227 [2023-11-19 07:35:00,743 INFO L226 Difference]: Without dead ends: 3651 [2023-11-19 07:35:00,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2023-11-19 07:35:00,747 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 369 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:35:00,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 309 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 07:35:00,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3651 states. [2023-11-19 07:35:00,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3651 to 2471. [2023-11-19 07:35:00,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2471 states, 2470 states have (on average 1.3607287449392713) internal successors, (3361), 2470 states have internal predecessors, (3361), 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) [2023-11-19 07:35:00,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2471 states to 2471 states and 3361 transitions. [2023-11-19 07:35:00,872 INFO L78 Accepts]: Start accepts. Automaton has 2471 states and 3361 transitions. Word has length 89 [2023-11-19 07:35:00,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:35:00,872 INFO L495 AbstractCegarLoop]: Abstraction has 2471 states and 3361 transitions. [2023-11-19 07:35:00,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 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) [2023-11-19 07:35:00,873 INFO L276 IsEmpty]: Start isEmpty. Operand 2471 states and 3361 transitions. [2023-11-19 07:35:00,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-19 07:35:00,876 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:00,876 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-11-19 07:35:00,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-19 07:35:00,877 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 07:35:00,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:00,877 INFO L85 PathProgramCache]: Analyzing trace with hash -2065857063, now seen corresponding path program 1 times [2023-11-19 07:35:00,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:00,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554619862] [2023-11-19 07:35:00,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:00,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:01,171 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-19 07:35:01,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:35:01,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554619862] [2023-11-19 07:35:01,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554619862] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:35:01,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:35:01,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:35:01,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270833112] [2023-11-19 07:35:01,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:35:01,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:35:01,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:35:01,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:35:01,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:35:01,174 INFO L87 Difference]: Start difference. First operand 2471 states and 3361 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 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) [2023-11-19 07:35:01,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:01,424 INFO L93 Difference]: Finished difference Result 6204 states and 8018 transitions. [2023-11-19 07:35:01,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:35:01,425 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 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 89 [2023-11-19 07:35:01,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:35:01,434 INFO L225 Difference]: With dead ends: 6204 [2023-11-19 07:35:01,434 INFO L226 Difference]: Without dead ends: 3790 [2023-11-19 07:35:01,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:35:01,438 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 289 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:35:01,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 292 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:35:01,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3790 states. [2023-11-19 07:35:01,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3790 to 2756. [2023-11-19 07:35:01,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2756 states, 2755 states have (on average 1.2537205081669691) internal successors, (3454), 2755 states have internal predecessors, (3454), 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) [2023-11-19 07:35:01,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2756 states to 2756 states and 3454 transitions. [2023-11-19 07:35:01,579 INFO L78 Accepts]: Start accepts. Automaton has 2756 states and 3454 transitions. Word has length 89 [2023-11-19 07:35:01,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:35:01,580 INFO L495 AbstractCegarLoop]: Abstraction has 2756 states and 3454 transitions. [2023-11-19 07:35:01,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 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) [2023-11-19 07:35:01,580 INFO L276 IsEmpty]: Start isEmpty. Operand 2756 states and 3454 transitions. [2023-11-19 07:35:01,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-19 07:35:01,584 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:01,584 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-11-19 07:35:01,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-19 07:35:01,584 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 07:35:01,585 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:01,585 INFO L85 PathProgramCache]: Analyzing trace with hash 32056339, now seen corresponding path program 1 times [2023-11-19 07:35:01,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:01,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681595394] [2023-11-19 07:35:01,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:01,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:01,845 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-11-19 07:35:01,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:35:01,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681595394] [2023-11-19 07:35:01,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681595394] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:35:01,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:35:01,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:35:01,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028948328] [2023-11-19 07:35:01,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:35:01,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:35:01,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:35:01,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:35:01,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:35:01,848 INFO L87 Difference]: Start difference. First operand 2756 states and 3454 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 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) [2023-11-19 07:35:02,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:02,466 INFO L93 Difference]: Finished difference Result 6704 states and 8286 transitions. [2023-11-19 07:35:02,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 07:35:02,467 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 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 89 [2023-11-19 07:35:02,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:35:02,481 INFO L225 Difference]: With dead ends: 6704 [2023-11-19 07:35:02,481 INFO L226 Difference]: Without dead ends: 6581 [2023-11-19 07:35:02,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:35:02,485 INFO L413 NwaCegarLoop]: 232 mSDtfsCounter, 407 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 918 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:35:02,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 918 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 07:35:02,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6581 states. [2023-11-19 07:35:02,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6581 to 2775. [2023-11-19 07:35:02,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2775 states, 2774 states have (on average 1.2530641672674838) internal successors, (3476), 2774 states have internal predecessors, (3476), 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) [2023-11-19 07:35:02,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2775 states to 2775 states and 3476 transitions. [2023-11-19 07:35:02,714 INFO L78 Accepts]: Start accepts. Automaton has 2775 states and 3476 transitions. Word has length 89 [2023-11-19 07:35:02,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:35:02,714 INFO L495 AbstractCegarLoop]: Abstraction has 2775 states and 3476 transitions. [2023-11-19 07:35:02,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 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) [2023-11-19 07:35:02,715 INFO L276 IsEmpty]: Start isEmpty. Operand 2775 states and 3476 transitions. [2023-11-19 07:35:02,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-19 07:35:02,720 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:02,720 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-11-19 07:35:02,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-19 07:35:02,720 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 07:35:02,721 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:02,721 INFO L85 PathProgramCache]: Analyzing trace with hash 27653987, now seen corresponding path program 1 times [2023-11-19 07:35:02,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:02,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150996137] [2023-11-19 07:35:02,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:02,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:02,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:02,936 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-11-19 07:35:02,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:35:02,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150996137] [2023-11-19 07:35:02,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150996137] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:35:02,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:35:02,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:35:02,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191016226] [2023-11-19 07:35:02,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:35:02,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:35:02,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:35:02,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:35:02,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:35:02,939 INFO L87 Difference]: Start difference. First operand 2775 states and 3476 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2023-11-19 07:35:03,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:03,007 INFO L93 Difference]: Finished difference Result 3349 states and 4156 transitions. [2023-11-19 07:35:03,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:35:03,007 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 89 [2023-11-19 07:35:03,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:35:03,010 INFO L225 Difference]: With dead ends: 3349 [2023-11-19 07:35:03,010 INFO L226 Difference]: Without dead ends: 1180 [2023-11-19 07:35:03,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:35:03,014 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 88 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:35:03,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 91 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:35:03,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1180 states. [2023-11-19 07:35:03,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1180 to 1180. [2023-11-19 07:35:03,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1180 states, 1179 states have (on average 1.2451229855810009) internal successors, (1468), 1179 states have internal predecessors, (1468), 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) [2023-11-19 07:35:03,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 1180 states and 1468 transitions. [2023-11-19 07:35:03,089 INFO L78 Accepts]: Start accepts. Automaton has 1180 states and 1468 transitions. Word has length 89 [2023-11-19 07:35:03,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:35:03,089 INFO L495 AbstractCegarLoop]: Abstraction has 1180 states and 1468 transitions. [2023-11-19 07:35:03,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2023-11-19 07:35:03,089 INFO L276 IsEmpty]: Start isEmpty. Operand 1180 states and 1468 transitions. [2023-11-19 07:35:03,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-19 07:35:03,091 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:03,092 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1] [2023-11-19 07:35:03,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-19 07:35:03,092 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 07:35:03,093 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:03,093 INFO L85 PathProgramCache]: Analyzing trace with hash -306401169, now seen corresponding path program 1 times [2023-11-19 07:35:03,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:03,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776503483] [2023-11-19 07:35:03,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:03,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:03,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:03,532 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 41 proven. 31 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 07:35:03,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:35:03,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776503483] [2023-11-19 07:35:03,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776503483] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:35:03,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675091894] [2023-11-19 07:35:03,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:03,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:35:03,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:03,539 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:35:03,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-19 07:35:03,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:03,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 07:35:03,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:03,834 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 07:35:03,834 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:35:04,155 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 07:35:04,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1675091894] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:35:04,155 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:35:04,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 8] total 18 [2023-11-19 07:35:04,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360631660] [2023-11-19 07:35:04,156 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:35:04,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-19 07:35:04,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:35:04,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-19 07:35:04,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2023-11-19 07:35:04,157 INFO L87 Difference]: Start difference. First operand 1180 states and 1468 transitions. Second operand has 18 states, 18 states have (on average 11.333333333333334) internal successors, (204), 18 states have internal predecessors, (204), 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) [2023-11-19 07:35:08,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:08,350 INFO L93 Difference]: Finished difference Result 8556 states and 10466 transitions. [2023-11-19 07:35:08,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-11-19 07:35:08,351 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 11.333333333333334) internal successors, (204), 18 states have internal predecessors, (204), 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 91 [2023-11-19 07:35:08,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:35:08,367 INFO L225 Difference]: With dead ends: 8556 [2023-11-19 07:35:08,367 INFO L226 Difference]: Without dead ends: 7717 [2023-11-19 07:35:08,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1905 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1568, Invalid=5238, Unknown=0, NotChecked=0, Total=6806 [2023-11-19 07:35:08,374 INFO L413 NwaCegarLoop]: 258 mSDtfsCounter, 1458 mSDsluCounter, 2716 mSDsCounter, 0 mSdLazyCounter, 1017 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1458 SdHoareTripleChecker+Valid, 2974 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:35:08,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1458 Valid, 2974 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1017 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-19 07:35:08,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7717 states. [2023-11-19 07:35:08,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7717 to 1887. [2023-11-19 07:35:08,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1887 states, 1886 states have (on average 1.2539766702014847) internal successors, (2365), 1886 states have internal predecessors, (2365), 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) [2023-11-19 07:35:08,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1887 states and 2365 transitions. [2023-11-19 07:35:08,603 INFO L78 Accepts]: Start accepts. Automaton has 1887 states and 2365 transitions. Word has length 91 [2023-11-19 07:35:08,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:35:08,604 INFO L495 AbstractCegarLoop]: Abstraction has 1887 states and 2365 transitions. [2023-11-19 07:35:08,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 11.333333333333334) internal successors, (204), 18 states have internal predecessors, (204), 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) [2023-11-19 07:35:08,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 2365 transitions. [2023-11-19 07:35:08,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-19 07:35:08,607 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:08,607 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:35:08,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:08,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:35:08,814 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 07:35:08,814 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:08,814 INFO L85 PathProgramCache]: Analyzing trace with hash -709908213, now seen corresponding path program 1 times [2023-11-19 07:35:08,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:08,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633908740] [2023-11-19 07:35:08,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:08,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:08,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:09,092 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 49 proven. 5 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-19 07:35:09,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:35:09,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633908740] [2023-11-19 07:35:09,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633908740] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:35:09,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748980128] [2023-11-19 07:35:09,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:09,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:35:09,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:09,094 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:35:09,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-19 07:35:09,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:09,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 07:35:09,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:09,476 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 49 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 07:35:09,477 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:35:09,792 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 42 proven. 28 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 07:35:09,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748980128] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:35:09,793 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:35:09,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 10] total 17 [2023-11-19 07:35:09,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678933114] [2023-11-19 07:35:09,793 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:35:09,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-19 07:35:09,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:35:09,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-19 07:35:09,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2023-11-19 07:35:09,795 INFO L87 Difference]: Start difference. First operand 1887 states and 2365 transitions. Second operand has 17 states, 17 states have (on average 9.058823529411764) internal successors, (154), 17 states have internal predecessors, (154), 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) [2023-11-19 07:35:12,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:12,283 INFO L93 Difference]: Finished difference Result 4734 states and 6027 transitions. [2023-11-19 07:35:12,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-11-19 07:35:12,284 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 9.058823529411764) internal successors, (154), 17 states have internal predecessors, (154), 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 95 [2023-11-19 07:35:12,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:35:12,290 INFO L225 Difference]: With dead ends: 4734 [2023-11-19 07:35:12,290 INFO L226 Difference]: Without dead ends: 2623 [2023-11-19 07:35:12,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 180 SyntacticMatches, 3 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 627 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=497, Invalid=1855, Unknown=0, NotChecked=0, Total=2352 [2023-11-19 07:35:12,294 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 1941 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 1198 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1941 SdHoareTripleChecker+Valid, 906 SdHoareTripleChecker+Invalid, 1346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 1198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:35:12,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1941 Valid, 906 Invalid, 1346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 1198 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-19 07:35:12,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2623 states. [2023-11-19 07:35:12,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2623 to 1899. [2023-11-19 07:35:12,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1899 states, 1898 states have (on average 1.19072708113804) internal successors, (2260), 1898 states have internal predecessors, (2260), 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) [2023-11-19 07:35:12,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1899 states to 1899 states and 2260 transitions. [2023-11-19 07:35:12,551 INFO L78 Accepts]: Start accepts. Automaton has 1899 states and 2260 transitions. Word has length 95 [2023-11-19 07:35:12,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:35:12,551 INFO L495 AbstractCegarLoop]: Abstraction has 1899 states and 2260 transitions. [2023-11-19 07:35:12,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 9.058823529411764) internal successors, (154), 17 states have internal predecessors, (154), 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) [2023-11-19 07:35:12,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1899 states and 2260 transitions. [2023-11-19 07:35:12,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-19 07:35:12,554 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:12,554 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:35:12,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-19 07:35:12,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2023-11-19 07:35:12,762 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 07:35:12,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:12,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1114079335, now seen corresponding path program 1 times [2023-11-19 07:35:12,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:12,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563645426] [2023-11-19 07:35:12,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:12,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:12,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:13,313 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 57 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 07:35:13,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:35:13,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563645426] [2023-11-19 07:35:13,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563645426] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:35:13,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309062413] [2023-11-19 07:35:13,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:13,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:35:13,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:13,316 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:35:13,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-19 07:35:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:13,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 07:35:13,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:14,010 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 69 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 07:35:14,010 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:35:14,454 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 22 proven. 58 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 07:35:14,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1309062413] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:35:14,454 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:35:14,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 10] total 19 [2023-11-19 07:35:14,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114793290] [2023-11-19 07:35:14,455 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:35:14,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-19 07:35:14,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:35:14,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-19 07:35:14,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2023-11-19 07:35:14,458 INFO L87 Difference]: Start difference. First operand 1899 states and 2260 transitions. Second operand has 19 states, 19 states have (on average 11.210526315789474) internal successors, (213), 19 states have internal predecessors, (213), 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) [2023-11-19 07:35:15,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:15,773 INFO L93 Difference]: Finished difference Result 5043 states and 5952 transitions. [2023-11-19 07:35:15,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-19 07:35:15,774 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 11.210526315789474) internal successors, (213), 19 states have internal predecessors, (213), 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 97 [2023-11-19 07:35:15,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:35:15,780 INFO L225 Difference]: With dead ends: 5043 [2023-11-19 07:35:15,780 INFO L226 Difference]: Without dead ends: 2903 [2023-11-19 07:35:15,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=283, Invalid=839, Unknown=0, NotChecked=0, Total=1122 [2023-11-19 07:35:15,784 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 698 mSDsluCounter, 1343 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 698 SdHoareTripleChecker+Valid, 1540 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 07:35:15,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [698 Valid, 1540 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 456 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 07:35:15,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2903 states. [2023-11-19 07:35:15,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2903 to 1802. [2023-11-19 07:35:15,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1802 states, 1801 states have (on average 1.1915602443087174) internal successors, (2146), 1801 states have internal predecessors, (2146), 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) [2023-11-19 07:35:15,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1802 states to 1802 states and 2146 transitions. [2023-11-19 07:35:15,987 INFO L78 Accepts]: Start accepts. Automaton has 1802 states and 2146 transitions. Word has length 97 [2023-11-19 07:35:15,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:35:15,987 INFO L495 AbstractCegarLoop]: Abstraction has 1802 states and 2146 transitions. [2023-11-19 07:35:15,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 11.210526315789474) internal successors, (213), 19 states have internal predecessors, (213), 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) [2023-11-19 07:35:15,988 INFO L276 IsEmpty]: Start isEmpty. Operand 1802 states and 2146 transitions. [2023-11-19 07:35:15,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-19 07:35:15,990 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:15,990 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1] [2023-11-19 07:35:15,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:16,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:35:16,196 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 07:35:16,196 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:16,196 INFO L85 PathProgramCache]: Analyzing trace with hash 964748632, now seen corresponding path program 1 times [2023-11-19 07:35:16,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:16,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978973353] [2023-11-19 07:35:16,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:16,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:16,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:16,624 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 25 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:35:16,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:35:16,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978973353] [2023-11-19 07:35:16,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978973353] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:35:16,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274747480] [2023-11-19 07:35:16,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:16,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:35:16,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:16,627 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:35:16,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-19 07:35:16,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:16,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 07:35:16,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:16,829 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 07:35:16,829 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:35:16,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274747480] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:35:16,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:35:16,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [11] total 12 [2023-11-19 07:35:16,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776735342] [2023-11-19 07:35:16,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:35:16,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:35:16,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:35:16,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:35:16,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2023-11-19 07:35:16,831 INFO L87 Difference]: Start difference. First operand 1802 states and 2146 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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) [2023-11-19 07:35:17,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:17,035 INFO L93 Difference]: Finished difference Result 3467 states and 4131 transitions. [2023-11-19 07:35:17,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:35:17,036 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 101 [2023-11-19 07:35:17,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:35:17,040 INFO L225 Difference]: With dead ends: 3467 [2023-11-19 07:35:17,040 INFO L226 Difference]: Without dead ends: 1694 [2023-11-19 07:35:17,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2023-11-19 07:35:17,043 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 34 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:35:17,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 140 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:35:17,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2023-11-19 07:35:17,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1438. [2023-11-19 07:35:17,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1438 states, 1437 states have (on average 1.1885873347251217) internal successors, (1708), 1437 states have internal predecessors, (1708), 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) [2023-11-19 07:35:17,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1438 states and 1708 transitions. [2023-11-19 07:35:17,197 INFO L78 Accepts]: Start accepts. Automaton has 1438 states and 1708 transitions. Word has length 101 [2023-11-19 07:35:17,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:35:17,197 INFO L495 AbstractCegarLoop]: Abstraction has 1438 states and 1708 transitions. [2023-11-19 07:35:17,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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) [2023-11-19 07:35:17,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 1708 transitions. [2023-11-19 07:35:17,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-19 07:35:17,200 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:17,201 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:35:17,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:17,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2023-11-19 07:35:17,414 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 07:35:17,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:17,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1586767168, now seen corresponding path program 1 times [2023-11-19 07:35:17,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:17,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047236230] [2023-11-19 07:35:17,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:17,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:17,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:17,889 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 33 proven. 25 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 07:35:17,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:35:17,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047236230] [2023-11-19 07:35:17,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047236230] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:35:17,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959416807] [2023-11-19 07:35:17,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:17,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:35:17,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:17,892 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:35:17,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-19 07:35:18,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:18,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 07:35:18,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:18,439 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 33 proven. 25 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 07:35:18,439 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:35:18,723 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 07:35:18,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1959416807] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:35:18,723 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:35:18,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2023-11-19 07:35:18,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509236603] [2023-11-19 07:35:18,724 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:35:18,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-19 07:35:18,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:35:18,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-19 07:35:18,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2023-11-19 07:35:18,725 INFO L87 Difference]: Start difference. First operand 1438 states and 1708 transitions. Second operand has 17 states, 16 states have (on average 15.4375) internal successors, (247), 17 states have internal predecessors, (247), 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) [2023-11-19 07:35:20,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:20,223 INFO L93 Difference]: Finished difference Result 6300 states and 7213 transitions. [2023-11-19 07:35:20,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-11-19 07:35:20,224 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 15.4375) internal successors, (247), 17 states have internal predecessors, (247), 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 104 [2023-11-19 07:35:20,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:35:20,230 INFO L225 Difference]: With dead ends: 6300 [2023-11-19 07:35:20,231 INFO L226 Difference]: Without dead ends: 3411 [2023-11-19 07:35:20,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 335 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=401, Invalid=1159, Unknown=0, NotChecked=0, Total=1560 [2023-11-19 07:35:20,236 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 862 mSDsluCounter, 1050 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 862 SdHoareTripleChecker+Valid, 1314 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 07:35:20,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [862 Valid, 1314 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 07:35:20,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3411 states. [2023-11-19 07:35:20,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3411 to 769. [2023-11-19 07:35:20,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 769 states, 768 states have (on average 1.2096354166666667) internal successors, (929), 768 states have internal predecessors, (929), 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) [2023-11-19 07:35:20,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 929 transitions. [2023-11-19 07:35:20,353 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 929 transitions. Word has length 104 [2023-11-19 07:35:20,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:35:20,353 INFO L495 AbstractCegarLoop]: Abstraction has 769 states and 929 transitions. [2023-11-19 07:35:20,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 15.4375) internal successors, (247), 17 states have internal predecessors, (247), 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) [2023-11-19 07:35:20,354 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 929 transitions. [2023-11-19 07:35:20,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-19 07:35:20,355 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:20,356 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1] [2023-11-19 07:35:20,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:20,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2023-11-19 07:35:20,562 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-19 07:35:20,563 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:20,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1365348958, now seen corresponding path program 1 times [2023-11-19 07:35:20,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:20,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845211811] [2023-11-19 07:35:20,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:20,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:20,641 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:20,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:20,737 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:20,737 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:35:20,739 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 41 remaining) [2023-11-19 07:35:20,741 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 41 remaining) [2023-11-19 07:35:20,741 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 41 remaining) [2023-11-19 07:35:20,742 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 41 remaining) [2023-11-19 07:35:20,742 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 41 remaining) [2023-11-19 07:35:20,742 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 41 remaining) [2023-11-19 07:35:20,742 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 41 remaining) [2023-11-19 07:35:20,742 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 41 remaining) [2023-11-19 07:35:20,743 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 41 remaining) [2023-11-19 07:35:20,743 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 41 remaining) [2023-11-19 07:35:20,743 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 41 remaining) [2023-11-19 07:35:20,743 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 41 remaining) [2023-11-19 07:35:20,744 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 41 remaining) [2023-11-19 07:35:20,744 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 41 remaining) [2023-11-19 07:35:20,745 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 41 remaining) [2023-11-19 07:35:20,745 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 41 remaining) [2023-11-19 07:35:20,745 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 41 remaining) [2023-11-19 07:35:20,745 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 41 remaining) [2023-11-19 07:35:20,745 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 41 remaining) [2023-11-19 07:35:20,746 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 41 remaining) [2023-11-19 07:35:20,746 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 41 remaining) [2023-11-19 07:35:20,746 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 41 remaining) [2023-11-19 07:35:20,746 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 41 remaining) [2023-11-19 07:35:20,746 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 41 remaining) [2023-11-19 07:35:20,747 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 41 remaining) [2023-11-19 07:35:20,747 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 41 remaining) [2023-11-19 07:35:20,747 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 41 remaining) [2023-11-19 07:35:20,747 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 41 remaining) [2023-11-19 07:35:20,748 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 41 remaining) [2023-11-19 07:35:20,748 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 41 remaining) [2023-11-19 07:35:20,748 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 41 remaining) [2023-11-19 07:35:20,748 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 41 remaining) [2023-11-19 07:35:20,748 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 41 remaining) [2023-11-19 07:35:20,749 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 41 remaining) [2023-11-19 07:35:20,749 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 41 remaining) [2023-11-19 07:35:20,749 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 41 remaining) [2023-11-19 07:35:20,749 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 41 remaining) [2023-11-19 07:35:20,749 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 41 remaining) [2023-11-19 07:35:20,749 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 41 remaining) [2023-11-19 07:35:20,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 41 remaining) [2023-11-19 07:35:20,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 41 remaining) [2023-11-19 07:35:20,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-19 07:35:20,753 INFO L445 BasicCegarLoop]: Path program 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] [2023-11-19 07:35:20,758 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:35:20,848 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated [2023-11-19 07:35:20,852 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated [2023-11-19 07:35:20,853 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated [2023-11-19 07:35:20,853 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-19 07:35:20,853 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated [2023-11-19 07:35:20,853 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-19 07:35:20,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:35:20 BoogieIcfgContainer [2023-11-19 07:35:20,884 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:35:20,884 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:35:20,884 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:35:20,885 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:35:20,885 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:34:47" (3/4) ... [2023-11-19 07:35:20,886 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 07:35:20,922 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated [2023-11-19 07:35:20,922 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated [2023-11-19 07:35:20,923 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated [2023-11-19 07:35:20,923 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-19 07:35:20,923 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-19 07:35:20,925 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated [2023-11-19 07:35:20,987 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:35:20,988 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:35:20,988 INFO L158 Benchmark]: Toolchain (without parser) took 34830.62ms. Allocated memory was 148.9MB in the beginning and 488.6MB in the end (delta: 339.7MB). Free memory was 118.2MB in the beginning and 199.1MB in the end (delta: -81.0MB). Peak memory consumption was 259.7MB. Max. memory is 16.1GB. [2023-11-19 07:35:20,989 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 121.6MB. Free memory was 80.4MB in the beginning and 80.2MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:35:20,989 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.44ms. Allocated memory is still 148.9MB. Free memory was 118.2MB in the beginning and 105.1MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:35:20,990 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.25ms. Allocated memory is still 148.9MB. Free memory was 105.1MB in the beginning and 100.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:35:20,990 INFO L158 Benchmark]: Boogie Preprocessor took 55.40ms. Allocated memory is still 148.9MB. Free memory was 100.8MB in the beginning and 98.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:35:20,990 INFO L158 Benchmark]: RCFGBuilder took 773.92ms. Allocated memory is still 148.9MB. Free memory was 98.8MB in the beginning and 72.6MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 07:35:20,991 INFO L158 Benchmark]: TraceAbstraction took 33506.16ms. Allocated memory was 148.9MB in the beginning and 488.6MB in the end (delta: 339.7MB). Free memory was 72.2MB in the beginning and 206.5MB in the end (delta: -134.3MB). Peak memory consumption was 207.3MB. Max. memory is 16.1GB. [2023-11-19 07:35:20,991 INFO L158 Benchmark]: Witness Printer took 103.52ms. Allocated memory is still 488.6MB. Free memory was 206.5MB in the beginning and 199.1MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 07:35:20,993 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 121.6MB. Free memory was 80.4MB in the beginning and 80.2MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.44ms. Allocated memory is still 148.9MB. Free memory was 118.2MB in the beginning and 105.1MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.25ms. Allocated memory is still 148.9MB. Free memory was 105.1MB in the beginning and 100.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.40ms. Allocated memory is still 148.9MB. Free memory was 100.8MB in the beginning and 98.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 773.92ms. Allocated memory is still 148.9MB. Free memory was 98.8MB in the beginning and 72.6MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 33506.16ms. Allocated memory was 148.9MB in the beginning and 488.6MB in the end (delta: 339.7MB). Free memory was 72.2MB in the beginning and 206.5MB in the end (delta: -134.3MB). Peak memory consumption was 207.3MB. Max. memory is 16.1GB. * Witness Printer took 103.52ms. Allocated memory is still 488.6MB. Free memory was 206.5MB in the beginning and 199.1MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 116]: integer overflow possible integer overflow possible We found a FailurePath: [L124] unsigned int a, b, r; [L125] a = __VERIFIER_nondet_uint() [L127] b = 234770789 [L129] CALL mp_add(a, b) [L42] unsigned char a0, a1, a2, a3; [L43] unsigned char b0, b1, b2, b3; [L44] unsigned char r0, r1, r2, r3; [L45] unsigned short carry; [L46] unsigned short partial_sum; [L47] unsigned int r; [L48] unsigned char i; [L49] unsigned char na, nb; [L50] a0 = a [L51] a1 = a >> 8 [L52] a2 = a >> 16U [L53] a3 = a >> 24U [L54] b0 = b [L55] b1 = b >> 8U [L56] b2 = b >> 16U [L57] b3 = b >> 24U [L58] na = (unsigned char)4 VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, na=4] [L59] COND FALSE !(a3 == (unsigned char)0) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, na=4] [L68] nb = (unsigned char)4 VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, na=4, nb=4] [L69] COND FALSE !(b3 == (unsigned char)0) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, na=4, nb=4] [L78] carry = (unsigned short)0 [L79] i = (unsigned char)0 VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=0, na=4, nb=4] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=0, na=4, nb=4, partial_sum=0] [L83] COND TRUE i < na VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=0, na=4, nb=4, partial_sum=0] [L84] COND TRUE i == (unsigned char)0 VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=0, na=4, nb=4, partial_sum=0] [L84] EXPR partial_sum + a0 [L84] partial_sum = partial_sum + a0 VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=0, na=4, nb=4, partial_sum=155] [L85] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=0, na=4, nb=4, partial_sum=155] [L86] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=0, na=4, nb=4, partial_sum=155] [L87] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=0, na=4, nb=4, partial_sum=155] [L89] COND TRUE i < nb VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=0, na=4, nb=4, partial_sum=155] [L90] COND TRUE i == (unsigned char)0 VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=0, na=4, nb=4, partial_sum=155] [L90] EXPR partial_sum + b0 [L90] partial_sum = partial_sum + b0 VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=0, na=4, nb=4, partial_sum=256] [L91] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=0, na=4, nb=4, partial_sum=256] [L92] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=0, na=4, nb=4, partial_sum=256] [L93] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=0, na=4, nb=4, partial_sum=256] [L95] COND TRUE partial_sum > ((unsigned char)255) [L96] partial_sum = partial_sum & ((unsigned char)255) [L97] carry = (unsigned short)1 VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=1, i=0, na=4, nb=4, partial_sum=0] [L99] COND TRUE i == (unsigned char)0 [L99] r0 = (unsigned char)partial_sum VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=1, i=0, na=4, nb=4, partial_sum=0, r0=0] [L100] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=1, i=0, na=4, nb=4, partial_sum=0, r0=0] [L101] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=1, i=0, na=4, nb=4, partial_sum=0, r0=0] [L102] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=1, i=0, na=4, nb=4, partial_sum=0, r0=0] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=1, i=1, na=4, nb=4, partial_sum=0, r0=0] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=0] [L83] COND TRUE i < na VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=0] [L84] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=0] [L85] COND TRUE i == (unsigned char)1 VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=0] [L85] EXPR partial_sum + a1 [L85] partial_sum = partial_sum + a1 VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=1, na=4, nb=4, partial_sum=175, r0=0] [L86] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=1, na=4, nb=4, partial_sum=175, r0=0] [L87] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=1, na=4, nb=4, partial_sum=175, r0=0] [L89] COND TRUE i < nb VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=1, na=4, nb=4, partial_sum=175, r0=0] [L90] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=1, na=4, nb=4, partial_sum=175, r0=0] [L91] COND TRUE i == (unsigned char)1 VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=1, na=4, nb=4, partial_sum=175, r0=0] [L91] EXPR partial_sum + b1 [L91] partial_sum = partial_sum + b1 VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=1, na=4, nb=4, partial_sum=256, r0=0] [L92] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=1, na=4, nb=4, partial_sum=256, r0=0] [L93] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=1, na=4, nb=4, partial_sum=256, r0=0] [L95] COND TRUE partial_sum > ((unsigned char)255) [L96] partial_sum = partial_sum & ((unsigned char)255) [L97] carry = (unsigned short)1 VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=1, i=1, na=4, nb=4, partial_sum=0, r0=0] [L99] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=1, i=1, na=4, nb=4, partial_sum=0, r0=0] [L100] COND TRUE i == (unsigned char)1 [L100] r1 = (unsigned char)partial_sum VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=1, i=1, na=4, nb=4, partial_sum=0, r0=0, r1=0] [L101] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=1, i=1, na=4, nb=4, partial_sum=0, r0=0, r1=0] [L102] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=1, i=1, na=4, nb=4, partial_sum=0, r0=0, r1=0] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=1, i=2, na=4, nb=4, partial_sum=0, r0=0, r1=0] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=0, r1=0] [L83] COND TRUE i < na VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=0, r1=0] [L84] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=0, r1=0] [L85] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=0, r1=0] [L86] COND TRUE i == (unsigned char)2 VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=0, r1=0] [L86] EXPR partial_sum + a2 [L86] partial_sum = partial_sum + a2 VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=2, na=4, nb=4, partial_sum=2, r0=0, r1=0] [L87] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=2, na=4, nb=4, partial_sum=2, r0=0, r1=0] [L89] COND TRUE i < nb VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=2, na=4, nb=4, partial_sum=2, r0=0, r1=0] [L90] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=2, na=4, nb=4, partial_sum=2, r0=0, r1=0] [L91] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=2, na=4, nb=4, partial_sum=2, r0=0, r1=0] [L92] COND TRUE i == (unsigned char)2 VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=2, na=4, nb=4, partial_sum=2, r0=0, r1=0] [L92] EXPR partial_sum + b2 [L92] partial_sum = partial_sum + b2 VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=2, na=4, nb=4, partial_sum=256, r0=0, r1=0] [L93] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=2, na=4, nb=4, partial_sum=256, r0=0, r1=0] [L95] COND TRUE partial_sum > ((unsigned char)255) [L96] partial_sum = partial_sum & ((unsigned char)255) [L97] carry = (unsigned short)1 VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=1, i=2, na=4, nb=4, partial_sum=0, r0=0, r1=0] [L99] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=1, i=2, na=4, nb=4, partial_sum=0, r0=0, r1=0] [L100] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=1, i=2, na=4, nb=4, partial_sum=0, r0=0, r1=0] [L101] COND TRUE i == (unsigned char)2 [L101] r2 = (unsigned char)partial_sum VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=1, i=2, na=4, nb=4, partial_sum=0, r0=0, r1=0, r2=0] [L102] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=1, i=2, na=4, nb=4, partial_sum=0, r0=0, r1=0, r2=0] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=1, i=3, na=4, nb=4, partial_sum=0, r0=0, r1=0, r2=0] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=0, r1=0, r2=0] [L83] COND TRUE i < na VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=0, r1=0, r2=0] [L84] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=0, r1=0, r2=0] [L85] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=0, r1=0, r2=0] [L86] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=0, r1=0, r2=0] [L87] COND TRUE i == (unsigned char)3 VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=0, r1=0, r2=0] [L87] EXPR partial_sum + a3 [L87] partial_sum = partial_sum + a3 VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=3, na=4, nb=4, partial_sum=242, r0=0, r1=0, r2=0] [L89] COND TRUE i < nb VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=3, na=4, nb=4, partial_sum=242, r0=0, r1=0, r2=0] [L90] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=3, na=4, nb=4, partial_sum=242, r0=0, r1=0, r2=0] [L91] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=3, na=4, nb=4, partial_sum=242, r0=0, r1=0, r2=0] [L92] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=3, na=4, nb=4, partial_sum=242, r0=0, r1=0, r2=0] [L93] COND TRUE i == (unsigned char)3 VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=3, na=4, nb=4, partial_sum=242, r0=0, r1=0, r2=0] [L93] EXPR partial_sum + b3 [L93] partial_sum = partial_sum + b3 VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=3, na=4, nb=4, partial_sum=255, r0=0, r1=0, r2=0] [L95] COND FALSE !(partial_sum > ((unsigned char)255)) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=3, na=4, nb=4, partial_sum=255, r0=0, r1=0, r2=0] [L99] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=3, na=4, nb=4, partial_sum=255, r0=0, r1=0, r2=0] [L100] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=3, na=4, nb=4, partial_sum=255, r0=0, r1=0, r2=0] [L101] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=3, na=4, nb=4, partial_sum=255, r0=0, r1=0, r2=0] [L102] COND TRUE i == (unsigned char)3 [L102] r3 = (unsigned char)partial_sum VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=3, na=4, nb=4, partial_sum=255, r0=0, r1=0, r2=0, r3=255] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=4, na=4, nb=4, partial_sum=255, r0=0, r1=0, r2=0, r3=255] [L80] COND FALSE !((i < na) || (i < nb) || (carry != (unsigned short)0)) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=4, na=4, nb=4, partial_sum=255, r0=0, r1=0, r2=0, r3=255] [L107] COND FALSE !(i < (unsigned char)4) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=4, na=4, nb=4, partial_sum=255, r0=0, r1=0, r2=0, r3=255] [L116] EXPR r1 << 8U VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=4, na=4, nb=4, partial_sum=255, r0=0, r1=0, r2=0, r3=255] [L116] EXPR r0 | (r1 << 8U) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=4, na=4, nb=4, partial_sum=255, r0=0, r1=0, r2=0, r3=255] [L116] EXPR r2 << 16U VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=4, na=4, nb=4, partial_sum=255, r0=0, r1=0, r2=0, r3=255] [L116] r0 | (r1 << 8U) | (r2 << 16U) VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=4, na=4, nb=4, partial_sum=255, r0=0, r1=0, r2=0, r3=255] [L116] r3 << 24U VAL [\old(a)=4043419291, \old(b)=234770789, a0=4043419291, a1=15794606, a2=61697, a3=241, a=4043419291, b0=234770789, b1=917073, b2=3582, b3=13, b=234770789, carry=0, i=4, na=4, nb=4, partial_sum=255, r0=0, r1=0, r2=0, r3=255] - UnprovableResult [Line: 60]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 60]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 104]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 104]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 113]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 113]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 129 locations, 41 error locations. Started 1 CEGAR loops. OverallTime: 33.3s, OverallIterations: 27, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 17.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9209 SdHoareTripleChecker+Valid, 7.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9209 mSDsluCounter, 14318 SdHoareTripleChecker+Invalid, 6.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10677 mSDsCounter, 502 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7042 IncrementalHoareTripleChecker+Invalid, 7544 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 502 mSolverCounterUnsat, 3641 mSDtfsCounter, 7042 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1696 GetRequests, 1337 SyntacticMatches, 8 SemanticMatches, 351 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3933 ImplicationChecksByTransitivity, 6.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2775occurred in iteration=20, InterpolantAutomatonStates: 313, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.5s AutomataMinimizationTime, 26 MinimizatonAttempts, 28370 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 8.3s InterpolantComputationTime, 2707 NumberOfCodeBlocks, 2707 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 3028 ConstructedInterpolants, 0 QuantifiedInterpolants, 13127 SizeOfPredicates, 32 NumberOfNonLiveVariables, 1876 ConjunctsInSsa, 127 ConjunctsInUnsatCore, 42 InterpolantComputations, 21 PerfectInterpolantSequences, 2015/2495 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! [2023-11-19 07:35:21,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7784ccb0-51ba-45b1-83f8-7a510ada49af/bin/uautomizer-verify-uCwYo4JHxu/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(OVERFLOW)