./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-invgen/nested9.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_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/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_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-invgen/nested9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/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_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/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 f3ca1fd1ad8fdbcd9efe7b99bc6e3715231417d253ce4ee9bba3d5969472333a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:47:29,691 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:47:29,767 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-19 07:47:29,771 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:47:29,772 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:47:29,799 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:47:29,800 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:47:29,801 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:47:29,802 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:47:29,802 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:47:29,803 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:47:29,803 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:47:29,804 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:47:29,805 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:47:29,805 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:47:29,806 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:47:29,806 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:47:29,806 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:47:29,807 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:47:29,807 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:47:29,808 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:47:29,816 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:47:29,816 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 07:47:29,816 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:47:29,817 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:47:29,817 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:47:29,817 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:47:29,818 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:47:29,818 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:47:29,819 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:47:29,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:29,819 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:47:29,820 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:47:29,820 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:47:29,820 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:47:29,821 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:47:29,821 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:47:29,821 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:47:29,822 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:47:29,822 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:47:29,823 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:47:29,824 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_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3ca1fd1ad8fdbcd9efe7b99bc6e3715231417d253ce4ee9bba3d5969472333a [2023-11-19 07:47:30,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:47:30,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:47:30,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:47:30,186 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:47:30,187 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:47:30,189 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/loop-invgen/nested9.i [2023-11-19 07:47:33,271 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:47:33,473 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:47:33,477 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/sv-benchmarks/c/loop-invgen/nested9.i [2023-11-19 07:47:33,490 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/data/522661df1/ad2c9189672a4574946920f921decbd5/FLAG3673a6f5d [2023-11-19 07:47:33,506 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/data/522661df1/ad2c9189672a4574946920f921decbd5 [2023-11-19 07:47:33,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:47:33,516 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:47:33,520 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:33,521 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:47:33,526 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:47:33,529 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:33" (1/1) ... [2023-11-19 07:47:33,530 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e9b99c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:33, skipping insertion in model container [2023-11-19 07:47:33,531 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:33" (1/1) ... [2023-11-19 07:47:33,559 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:47:33,761 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:33,775 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:47:33,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:33,816 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:47:33,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:33 WrapperNode [2023-11-19 07:47:33,817 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:33,818 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:33,818 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:47:33,818 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:47:33,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:33" (1/1) ... [2023-11-19 07:47:33,834 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:33" (1/1) ... [2023-11-19 07:47:33,856 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 93 [2023-11-19 07:47:33,857 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:33,857 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:47:33,858 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:47:33,858 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:47:33,868 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:33" (1/1) ... [2023-11-19 07:47:33,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:33" (1/1) ... [2023-11-19 07:47:33,870 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:33" (1/1) ... [2023-11-19 07:47:33,871 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:33" (1/1) ... [2023-11-19 07:47:33,874 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:33" (1/1) ... [2023-11-19 07:47:33,879 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:33" (1/1) ... [2023-11-19 07:47:33,880 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:33" (1/1) ... [2023-11-19 07:47:33,881 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:33" (1/1) ... [2023-11-19 07:47:33,883 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:47:33,885 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:47:33,885 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:47:33,885 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:47:33,886 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:33" (1/1) ... [2023-11-19 07:47:33,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:33,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:33,921 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:47:33,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:47:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:47:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:47:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:47:33,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:47:34,040 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:47:34,043 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:47:34,251 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:47:34,260 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:47:34,260 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 07:47:34,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:34 BoogieIcfgContainer [2023-11-19 07:47:34,265 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:47:34,268 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:47:34,268 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:47:34,272 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:47:34,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:47:33" (1/3) ... [2023-11-19 07:47:34,273 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68ae2ed4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:34, skipping insertion in model container [2023-11-19 07:47:34,273 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:33" (2/3) ... [2023-11-19 07:47:34,274 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68ae2ed4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:34, skipping insertion in model container [2023-11-19 07:47:34,274 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:34" (3/3) ... [2023-11-19 07:47:34,275 INFO L112 eAbstractionObserver]: Analyzing ICFG nested9.i [2023-11-19 07:47:34,296 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:47:34,296 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2023-11-19 07:47:34,349 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:47:34,355 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;@25dce758, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:47:34,355 INFO L358 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2023-11-19 07:47:34,361 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 39 states have (on average 1.7692307692307692) internal successors, (69), 57 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 07:47:34,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 07:47:34,367 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:34,368 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:47:34,369 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-19 07:47:34,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:34,375 INFO L85 PathProgramCache]: Analyzing trace with hash 889571337, now seen corresponding path program 1 times [2023-11-19 07:47:34,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:34,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908497000] [2023-11-19 07:47:34,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:34,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:34,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:34,577 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 07:47:34,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:34,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908497000] [2023-11-19 07:47:34,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908497000] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:34,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:34,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:47:34,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211512117] [2023-11-19 07:47:34,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:34,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:47:34,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:34,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:47:34,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:47:34,620 INFO L87 Difference]: Start difference. First operand has 58 states, 39 states have (on average 1.7692307692307692) internal successors, (69), 57 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) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 07:47:34,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:34,673 INFO L93 Difference]: Finished difference Result 100 states and 119 transitions. [2023-11-19 07:47:34,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:47:34,678 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2023-11-19 07:47:34,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:34,686 INFO L225 Difference]: With dead ends: 100 [2023-11-19 07:47:34,687 INFO L226 Difference]: Without dead ends: 49 [2023-11-19 07:47:34,690 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 07:47:34,697 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 53 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:34,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 54 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:47:34,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-19 07:47:34,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-11-19 07:47:34,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 33 states have (on average 1.5454545454545454) internal successors, (51), 48 states have internal predecessors, (51), 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 07:47:34,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 51 transitions. [2023-11-19 07:47:34,750 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 51 transitions. Word has length 6 [2023-11-19 07:47:34,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:34,751 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 51 transitions. [2023-11-19 07:47:34,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 07:47:34,751 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 51 transitions. [2023-11-19 07:47:34,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 07:47:34,752 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:34,752 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:34,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:47:34,752 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-19 07:47:34,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:34,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1806907722, now seen corresponding path program 1 times [2023-11-19 07:47:34,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:34,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337988402] [2023-11-19 07:47:34,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:34,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:34,835 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 07:47:34,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:34,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337988402] [2023-11-19 07:47:34,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337988402] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:34,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:34,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:47:34,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844986239] [2023-11-19 07:47:34,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:34,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:47:34,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:34,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:47:34,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:47:34,846 INFO L87 Difference]: Start difference. First operand 49 states and 51 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 07:47:34,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:34,886 INFO L93 Difference]: Finished difference Result 49 states and 51 transitions. [2023-11-19 07:47:34,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:47:34,887 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-19 07:47:34,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:34,890 INFO L225 Difference]: With dead ends: 49 [2023-11-19 07:47:34,891 INFO L226 Difference]: Without dead ends: 47 [2023-11-19 07:47:34,892 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 07:47:34,894 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 43 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:34,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 44 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:47:34,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-11-19 07:47:34,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2023-11-19 07:47:34,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 33 states have (on average 1.4848484848484849) internal successors, (49), 46 states have internal predecessors, (49), 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 07:47:34,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 49 transitions. [2023-11-19 07:47:34,911 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 49 transitions. Word has length 7 [2023-11-19 07:47:34,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:34,913 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 49 transitions. [2023-11-19 07:47:34,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 07:47:34,913 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2023-11-19 07:47:34,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 07:47:34,916 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:34,916 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:34,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:47:34,917 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-19 07:47:34,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:34,921 INFO L85 PathProgramCache]: Analyzing trace with hash 179564587, now seen corresponding path program 1 times [2023-11-19 07:47:34,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:34,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539213537] [2023-11-19 07:47:34,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:34,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:34,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:35,070 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 07:47:35,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:35,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539213537] [2023-11-19 07:47:35,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539213537] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:35,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:35,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:47:35,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942672126] [2023-11-19 07:47:35,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:35,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:47:35,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:35,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:47:35,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:47:35,074 INFO L87 Difference]: Start difference. First operand 47 states and 49 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:35,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:35,111 INFO L93 Difference]: Finished difference Result 47 states and 49 transitions. [2023-11-19 07:47:35,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:47:35,112 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-19 07:47:35,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:35,113 INFO L225 Difference]: With dead ends: 47 [2023-11-19 07:47:35,113 INFO L226 Difference]: Without dead ends: 46 [2023-11-19 07:47:35,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:47:35,116 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 85 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:35,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 48 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:47:35,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-19 07:47:35,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-19 07:47:35,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 33 states have (on average 1.4545454545454546) internal successors, (48), 45 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 07:47:35,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 48 transitions. [2023-11-19 07:47:35,125 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 48 transitions. Word has length 8 [2023-11-19 07:47:35,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:35,125 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 48 transitions. [2023-11-19 07:47:35,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:35,126 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2023-11-19 07:47:35,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 07:47:35,126 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:35,127 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:35,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:47:35,127 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-19 07:47:35,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:35,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1271534956, now seen corresponding path program 1 times [2023-11-19 07:47:35,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:35,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988671361] [2023-11-19 07:47:35,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:35,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:35,188 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 07:47:35,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:35,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988671361] [2023-11-19 07:47:35,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988671361] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:35,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:35,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:47:35,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382555119] [2023-11-19 07:47:35,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:35,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:47:35,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:35,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:47:35,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:47:35,192 INFO L87 Difference]: Start difference. First operand 46 states and 48 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:35,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:35,218 INFO L93 Difference]: Finished difference Result 46 states and 48 transitions. [2023-11-19 07:47:35,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:47:35,219 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-11-19 07:47:35,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:35,220 INFO L225 Difference]: With dead ends: 46 [2023-11-19 07:47:35,220 INFO L226 Difference]: Without dead ends: 45 [2023-11-19 07:47:35,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:47:35,223 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 82 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:35,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 48 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:47:35,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2023-11-19 07:47:35,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2023-11-19 07:47:35,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 44 states have internal predecessors, (47), 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 07:47:35,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 47 transitions. [2023-11-19 07:47:35,233 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 47 transitions. Word has length 9 [2023-11-19 07:47:35,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:35,234 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 47 transitions. [2023-11-19 07:47:35,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:35,234 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2023-11-19 07:47:35,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 07:47:35,235 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:35,235 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:35,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:47:35,236 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-19 07:47:35,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:35,236 INFO L85 PathProgramCache]: Analyzing trace with hash -2067476878, now seen corresponding path program 1 times [2023-11-19 07:47:35,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:35,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53466488] [2023-11-19 07:47:35,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:35,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:35,284 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 07:47:35,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:35,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53466488] [2023-11-19 07:47:35,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53466488] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:35,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:35,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:47:35,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748279689] [2023-11-19 07:47:35,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:35,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:47:35,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:35,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:47:35,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:47:35,288 INFO L87 Difference]: Start difference. First operand 45 states and 47 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:35,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:35,351 INFO L93 Difference]: Finished difference Result 79 states and 83 transitions. [2023-11-19 07:47:35,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:47:35,351 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-11-19 07:47:35,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:35,353 INFO L225 Difference]: With dead ends: 79 [2023-11-19 07:47:35,353 INFO L226 Difference]: Without dead ends: 75 [2023-11-19 07:47:35,354 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 07:47:35,355 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 30 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:35,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 61 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:47:35,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-19 07:47:35,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 64. [2023-11-19 07:47:35,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 52 states have (on average 1.4230769230769231) internal successors, (74), 63 states have internal predecessors, (74), 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 07:47:35,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 74 transitions. [2023-11-19 07:47:35,370 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 74 transitions. Word has length 13 [2023-11-19 07:47:35,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:35,371 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 74 transitions. [2023-11-19 07:47:35,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:35,371 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 74 transitions. [2023-11-19 07:47:35,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 07:47:35,372 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:35,372 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 07:47:35,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:47:35,373 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-19 07:47:35,373 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:35,374 INFO L85 PathProgramCache]: Analyzing trace with hash 918466108, now seen corresponding path program 1 times [2023-11-19 07:47:35,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:35,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914756420] [2023-11-19 07:47:35,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:35,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:35,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:35,492 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 07:47:35,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:35,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914756420] [2023-11-19 07:47:35,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914756420] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:35,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:35,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:47:35,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938959551] [2023-11-19 07:47:35,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:35,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:47:35,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:35,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:47:35,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:47:35,500 INFO L87 Difference]: Start difference. First operand 64 states and 74 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 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 07:47:35,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:35,626 INFO L93 Difference]: Finished difference Result 75 states and 79 transitions. [2023-11-19 07:47:35,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:47:35,627 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 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 07:47:35,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:35,628 INFO L225 Difference]: With dead ends: 75 [2023-11-19 07:47:35,628 INFO L226 Difference]: Without dead ends: 73 [2023-11-19 07:47:35,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:47:35,631 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 24 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:35,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 88 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:47:35,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-19 07:47:35,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 67. [2023-11-19 07:47:35,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 55 states have (on average 1.4) internal successors, (77), 66 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 07:47:35,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 77 transitions. [2023-11-19 07:47:35,657 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 77 transitions. Word has length 19 [2023-11-19 07:47:35,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:35,657 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 77 transitions. [2023-11-19 07:47:35,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 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 07:47:35,658 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 77 transitions. [2023-11-19 07:47:35,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 07:47:35,662 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:35,662 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 07:47:35,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 07:47:35,663 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-19 07:47:35,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:35,664 INFO L85 PathProgramCache]: Analyzing trace with hash 918466654, now seen corresponding path program 1 times [2023-11-19 07:47:35,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:35,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062136869] [2023-11-19 07:47:35,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:35,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:35,791 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 07:47:35,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:35,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062136869] [2023-11-19 07:47:35,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062136869] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:35,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:35,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:47:35,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532995219] [2023-11-19 07:47:35,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:35,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:47:35,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:35,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:47:35,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:47:35,795 INFO L87 Difference]: Start difference. First operand 67 states and 77 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 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 07:47:35,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:35,906 INFO L93 Difference]: Finished difference Result 98 states and 104 transitions. [2023-11-19 07:47:35,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:47:35,907 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 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 07:47:35,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:35,912 INFO L225 Difference]: With dead ends: 98 [2023-11-19 07:47:35,912 INFO L226 Difference]: Without dead ends: 96 [2023-11-19 07:47:35,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:47:35,919 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 45 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:35,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 96 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:47:35,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-11-19 07:47:35,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 70. [2023-11-19 07:47:35,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 58 states have (on average 1.396551724137931) internal successors, (81), 69 states have internal predecessors, (81), 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 07:47:35,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 81 transitions. [2023-11-19 07:47:35,948 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 81 transitions. Word has length 19 [2023-11-19 07:47:35,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:35,949 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 81 transitions. [2023-11-19 07:47:35,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 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 07:47:35,949 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 81 transitions. [2023-11-19 07:47:35,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 07:47:35,950 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:35,951 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] [2023-11-19 07:47:35,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 07:47:35,951 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-19 07:47:35,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:35,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1592305566, now seen corresponding path program 1 times [2023-11-19 07:47:35,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:35,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122456978] [2023-11-19 07:47:35,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:35,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:35,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,052 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 07:47:36,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:36,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122456978] [2023-11-19 07:47:36,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122456978] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:36,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:36,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:47:36,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321032853] [2023-11-19 07:47:36,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:36,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:47:36,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:36,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:47:36,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:47:36,061 INFO L87 Difference]: Start difference. First operand 70 states and 81 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:36,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:36,112 INFO L93 Difference]: Finished difference Result 110 states and 124 transitions. [2023-11-19 07:47:36,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:47:36,113 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2023-11-19 07:47:36,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:36,113 INFO L225 Difference]: With dead ends: 110 [2023-11-19 07:47:36,113 INFO L226 Difference]: Without dead ends: 54 [2023-11-19 07:47:36,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:47:36,115 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 6 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:36,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 67 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:47:36,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-19 07:47:36,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2023-11-19 07:47:36,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 53 states have internal predecessors, (56), 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 07:47:36,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions. [2023-11-19 07:47:36,123 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 56 transitions. Word has length 20 [2023-11-19 07:47:36,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:36,123 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 56 transitions. [2023-11-19 07:47:36,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:36,124 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions. [2023-11-19 07:47:36,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 07:47:36,124 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:36,124 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:36,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-19 07:47:36,125 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-19 07:47:36,125 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:36,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1212681645, now seen corresponding path program 1 times [2023-11-19 07:47:36,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:36,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055110340] [2023-11-19 07:47:36,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:36,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:36,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:36,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:36,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055110340] [2023-11-19 07:47:36,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055110340] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:47:36,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [973662486] [2023-11-19 07:47:36,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:36,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:36,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:36,188 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:47:36,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:47:36,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:47:36,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:36,329 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:36,329 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:47:36,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [973662486] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:36,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:47:36,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2023-11-19 07:47:36,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385545906] [2023-11-19 07:47:36,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:36,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:47:36,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:36,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:47:36,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:47:36,337 INFO L87 Difference]: Start difference. First operand 54 states and 56 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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 07:47:36,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:36,413 INFO L93 Difference]: Finished difference Result 54 states and 56 transitions. [2023-11-19 07:47:36,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:47:36,414 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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 22 [2023-11-19 07:47:36,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:36,417 INFO L225 Difference]: With dead ends: 54 [2023-11-19 07:47:36,417 INFO L226 Difference]: Without dead ends: 51 [2023-11-19 07:47:36,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:47:36,421 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 34 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:36,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 69 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:47:36,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-11-19 07:47:36,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2023-11-19 07:47:36,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 42 states have (on average 1.2619047619047619) internal successors, (53), 50 states have internal predecessors, (53), 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 07:47:36,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 53 transitions. [2023-11-19 07:47:36,439 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 53 transitions. Word has length 22 [2023-11-19 07:47:36,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:36,439 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 53 transitions. [2023-11-19 07:47:36,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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 07:47:36,440 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 53 transitions. [2023-11-19 07:47:36,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 07:47:36,441 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:36,441 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:36,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-19 07:47:36,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:36,656 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-19 07:47:36,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:36,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1061574743, now seen corresponding path program 1 times [2023-11-19 07:47:36,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:36,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348200870] [2023-11-19 07:47:36,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:36,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:36,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,721 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:36,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:36,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348200870] [2023-11-19 07:47:36,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348200870] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:47:36,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881879179] [2023-11-19 07:47:36,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:36,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:36,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:36,723 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:47:36,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 07:47:36,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:47:36,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:36,824 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:36,824 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:47:36,887 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:36,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881879179] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:47:36,888 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:47:36,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2023-11-19 07:47:36,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7495950] [2023-11-19 07:47:36,888 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:47:36,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-19 07:47:36,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:36,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-19 07:47:36,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-19 07:47:36,890 INFO L87 Difference]: Start difference. First operand 51 states and 53 transitions. Second operand has 10 states, 9 states have (on average 5.111111111111111) internal successors, (46), 10 states have internal predecessors, (46), 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 07:47:37,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:37,048 INFO L93 Difference]: Finished difference Result 83 states and 89 transitions. [2023-11-19 07:47:37,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-19 07:47:37,049 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.111111111111111) internal successors, (46), 10 states have internal predecessors, (46), 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 23 [2023-11-19 07:47:37,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:37,051 INFO L225 Difference]: With dead ends: 83 [2023-11-19 07:47:37,051 INFO L226 Difference]: Without dead ends: 80 [2023-11-19 07:47:37,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2023-11-19 07:47:37,052 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 79 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:37,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 148 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:47:37,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-19 07:47:37,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 68. [2023-11-19 07:47:37,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 61 states have (on average 1.278688524590164) internal successors, (78), 67 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 07:47:37,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 78 transitions. [2023-11-19 07:47:37,064 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 78 transitions. Word has length 23 [2023-11-19 07:47:37,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:37,064 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 78 transitions. [2023-11-19 07:47:37,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.111111111111111) internal successors, (46), 10 states have internal predecessors, (46), 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 07:47:37,065 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 78 transitions. [2023-11-19 07:47:37,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 07:47:37,066 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:37,066 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] [2023-11-19 07:47:37,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:47:37,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:37,287 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-19 07:47:37,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:37,287 INFO L85 PathProgramCache]: Analyzing trace with hash 535144319, now seen corresponding path program 1 times [2023-11-19 07:47:37,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:37,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978508259] [2023-11-19 07:47:37,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:37,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:37,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:37,320 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 07:47:37,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:37,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978508259] [2023-11-19 07:47:37,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978508259] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:37,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:37,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:47:37,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764121830] [2023-11-19 07:47:37,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:37,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:47:37,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:37,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:47:37,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:47:37,322 INFO L87 Difference]: Start difference. First operand 68 states and 78 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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 07:47:37,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:37,368 INFO L93 Difference]: Finished difference Result 109 states and 130 transitions. [2023-11-19 07:47:37,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:47:37,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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 28 [2023-11-19 07:47:37,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:37,370 INFO L225 Difference]: With dead ends: 109 [2023-11-19 07:47:37,370 INFO L226 Difference]: Without dead ends: 108 [2023-11-19 07:47:37,371 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 07:47:37,372 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 23 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:37,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 58 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:47:37,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2023-11-19 07:47:37,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 72. [2023-11-19 07:47:37,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 65 states have (on average 1.2923076923076924) internal successors, (84), 71 states have internal predecessors, (84), 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 07:47:37,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 84 transitions. [2023-11-19 07:47:37,382 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 84 transitions. Word has length 28 [2023-11-19 07:47:37,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:37,382 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 84 transitions. [2023-11-19 07:47:37,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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 07:47:37,383 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 84 transitions. [2023-11-19 07:47:37,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 07:47:37,384 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:37,384 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] [2023-11-19 07:47:37,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-19 07:47:37,384 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-19 07:47:37,384 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:37,385 INFO L85 PathProgramCache]: Analyzing trace with hash -590395197, now seen corresponding path program 1 times [2023-11-19 07:47:37,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:37,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465042974] [2023-11-19 07:47:37,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:37,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:37,429 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 07:47:37,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:37,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465042974] [2023-11-19 07:47:37,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465042974] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:37,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:37,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:47:37,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474200024] [2023-11-19 07:47:37,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:37,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:47:37,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:37,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:47:37,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:47:37,431 INFO L87 Difference]: Start difference. First operand 72 states and 84 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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 07:47:37,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:37,476 INFO L93 Difference]: Finished difference Result 109 states and 128 transitions. [2023-11-19 07:47:37,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:47:37,477 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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 29 [2023-11-19 07:47:37,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:37,478 INFO L225 Difference]: With dead ends: 109 [2023-11-19 07:47:37,478 INFO L226 Difference]: Without dead ends: 108 [2023-11-19 07:47:37,478 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 07:47:37,479 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 21 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:37,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 59 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:47:37,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2023-11-19 07:47:37,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 74. [2023-11-19 07:47:37,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 67 states have (on average 1.2835820895522387) internal successors, (86), 73 states have internal predecessors, (86), 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 07:47:37,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 86 transitions. [2023-11-19 07:47:37,488 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 86 transitions. Word has length 29 [2023-11-19 07:47:37,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:37,489 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 86 transitions. [2023-11-19 07:47:37,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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 07:47:37,489 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 86 transitions. [2023-11-19 07:47:37,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 07:47:37,490 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:37,490 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] [2023-11-19 07:47:37,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-19 07:47:37,490 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-19 07:47:37,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:37,491 INFO L85 PathProgramCache]: Analyzing trace with hash -590396063, now seen corresponding path program 1 times [2023-11-19 07:47:37,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:37,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759719680] [2023-11-19 07:47:37,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:37,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:37,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:37,541 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 07:47:37,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:37,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759719680] [2023-11-19 07:47:37,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759719680] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:37,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:37,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:47:37,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338208456] [2023-11-19 07:47:37,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:37,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:47:37,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:37,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:47:37,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:47:37,543 INFO L87 Difference]: Start difference. First operand 74 states and 86 transitions. Second operand has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 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 07:47:37,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:37,644 INFO L93 Difference]: Finished difference Result 121 states and 146 transitions. [2023-11-19 07:47:37,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:47:37,645 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 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 29 [2023-11-19 07:47:37,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:37,646 INFO L225 Difference]: With dead ends: 121 [2023-11-19 07:47:37,646 INFO L226 Difference]: Without dead ends: 120 [2023-11-19 07:47:37,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:47:37,648 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 76 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:37,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 85 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:47:37,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-11-19 07:47:37,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 73. [2023-11-19 07:47:37,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 67 states have (on average 1.2537313432835822) internal successors, (84), 72 states have internal predecessors, (84), 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 07:47:37,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 84 transitions. [2023-11-19 07:47:37,659 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 84 transitions. Word has length 29 [2023-11-19 07:47:37,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:37,659 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 84 transitions. [2023-11-19 07:47:37,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 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 07:47:37,660 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 84 transitions. [2023-11-19 07:47:37,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 07:47:37,661 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:37,661 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] [2023-11-19 07:47:37,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-19 07:47:37,661 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-19 07:47:37,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:37,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1122408636, now seen corresponding path program 1 times [2023-11-19 07:47:37,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:37,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573763491] [2023-11-19 07:47:37,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:37,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:37,741 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:37,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:37,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573763491] [2023-11-19 07:47:37,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573763491] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:47:37,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [582107276] [2023-11-19 07:47:37,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:37,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:37,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:37,743 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:47:37,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 07:47:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:37,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 07:47:37,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:37,918 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:37,918 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:47:37,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [582107276] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:37,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:47:37,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 12 [2023-11-19 07:47:37,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907059858] [2023-11-19 07:47:37,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:37,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:47:37,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:37,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:47:37,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-11-19 07:47:37,923 INFO L87 Difference]: Start difference. First operand 73 states and 84 transitions. Second operand has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 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 07:47:38,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:38,079 INFO L93 Difference]: Finished difference Result 183 states and 218 transitions. [2023-11-19 07:47:38,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 07:47:38,079 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 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 30 [2023-11-19 07:47:38,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:38,081 INFO L225 Difference]: With dead ends: 183 [2023-11-19 07:47:38,082 INFO L226 Difference]: Without dead ends: 133 [2023-11-19 07:47:38,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2023-11-19 07:47:38,083 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 108 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:38,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 87 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:47:38,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2023-11-19 07:47:38,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 81. [2023-11-19 07:47:38,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 75 states have (on average 1.2666666666666666) internal successors, (95), 80 states have internal predecessors, (95), 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 07:47:38,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 95 transitions. [2023-11-19 07:47:38,102 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 95 transitions. Word has length 30 [2023-11-19 07:47:38,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:38,103 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 95 transitions. [2023-11-19 07:47:38,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 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 07:47:38,104 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 95 transitions. [2023-11-19 07:47:38,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 07:47:38,105 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:38,105 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:38,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:47:38,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:38,326 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-19 07:47:38,327 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:38,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1888551642, now seen corresponding path program 1 times [2023-11-19 07:47:38,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:38,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128317206] [2023-11-19 07:47:38,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:38,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:38,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:38,380 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 07:47:38,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:38,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128317206] [2023-11-19 07:47:38,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128317206] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:47:38,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432439940] [2023-11-19 07:47:38,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:38,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:38,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:38,383 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:47:38,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 07:47:38,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:38,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 07:47:38,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:38,521 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:38,521 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:47:38,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [432439940] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:38,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:47:38,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [3] total 8 [2023-11-19 07:47:38,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840982244] [2023-11-19 07:47:38,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:38,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:47:38,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:38,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:47:38,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:47:38,524 INFO L87 Difference]: Start difference. First operand 81 states and 95 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 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 07:47:38,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:38,647 INFO L93 Difference]: Finished difference Result 152 states and 177 transitions. [2023-11-19 07:47:38,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:47:38,648 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 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 34 [2023-11-19 07:47:38,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:38,649 INFO L225 Difference]: With dead ends: 152 [2023-11-19 07:47:38,649 INFO L226 Difference]: Without dead ends: 117 [2023-11-19 07:47:38,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-11-19 07:47:38,650 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 49 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:38,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 80 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:47:38,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-11-19 07:47:38,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 81. [2023-11-19 07:47:38,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 75 states have (on average 1.24) internal successors, (93), 80 states have internal predecessors, (93), 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 07:47:38,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 93 transitions. [2023-11-19 07:47:38,667 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 93 transitions. Word has length 34 [2023-11-19 07:47:38,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:38,667 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 93 transitions. [2023-11-19 07:47:38,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 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 07:47:38,667 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 93 transitions. [2023-11-19 07:47:38,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 07:47:38,668 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:38,668 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] [2023-11-19 07:47:38,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:47:38,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:38,889 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-19 07:47:38,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:38,890 INFO L85 PathProgramCache]: Analyzing trace with hash -2112819478, now seen corresponding path program 1 times [2023-11-19 07:47:38,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:38,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420572612] [2023-11-19 07:47:38,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:38,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:39,006 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:39,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:39,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420572612] [2023-11-19 07:47:39,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420572612] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:47:39,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33192682] [2023-11-19 07:47:39,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:39,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:39,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:39,012 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:47:39,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 07:47:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:39,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 07:47:39,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:39,128 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:39,128 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:47:39,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [33192682] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:39,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:47:39,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2023-11-19 07:47:39,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594735656] [2023-11-19 07:47:39,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:39,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:47:39,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:39,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:47:39,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:47:39,131 INFO L87 Difference]: Start difference. First operand 81 states and 93 transitions. Second operand has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 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 07:47:39,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:39,271 INFO L93 Difference]: Finished difference Result 81 states and 93 transitions. [2023-11-19 07:47:39,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 07:47:39,272 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2023-11-19 07:47:39,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:39,273 INFO L225 Difference]: With dead ends: 81 [2023-11-19 07:47:39,273 INFO L226 Difference]: Without dead ends: 80 [2023-11-19 07:47:39,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2023-11-19 07:47:39,274 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 67 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:39,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 71 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:47:39,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-19 07:47:39,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-11-19 07:47:39,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 75 states have (on average 1.2133333333333334) internal successors, (91), 79 states have internal predecessors, (91), 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 07:47:39,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 91 transitions. [2023-11-19 07:47:39,290 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 91 transitions. Word has length 35 [2023-11-19 07:47:39,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:39,290 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 91 transitions. [2023-11-19 07:47:39,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 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 07:47:39,290 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 91 transitions. [2023-11-19 07:47:39,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 07:47:39,291 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:39,291 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 07:47:39,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:47:39,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-19 07:47:39,512 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-19 07:47:39,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:39,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1072894253, now seen corresponding path program 1 times [2023-11-19 07:47:39,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:39,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020767275] [2023-11-19 07:47:39,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:39,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:39,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:39,649 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:39,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:39,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020767275] [2023-11-19 07:47:39,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020767275] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:47:39,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742020636] [2023-11-19 07:47:39,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:39,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:39,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:39,652 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:47:39,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-19 07:47:39,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:39,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 07:47:39,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:39,792 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:39,792 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:47:39,894 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:39,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742020636] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:47:39,894 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:47:39,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2023-11-19 07:47:39,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598071540] [2023-11-19 07:47:39,895 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:47:39,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-19 07:47:39,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:39,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-19 07:47:39,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2023-11-19 07:47:39,897 INFO L87 Difference]: Start difference. First operand 80 states and 91 transitions. Second operand has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 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 07:47:40,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:40,297 INFO L93 Difference]: Finished difference Result 157 states and 172 transitions. [2023-11-19 07:47:40,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-19 07:47:40,297 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 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 07:47:40,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:40,298 INFO L225 Difference]: With dead ends: 157 [2023-11-19 07:47:40,298 INFO L226 Difference]: Without dead ends: 156 [2023-11-19 07:47:40,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=195, Invalid=675, Unknown=0, NotChecked=0, Total=870 [2023-11-19 07:47:40,300 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 179 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:40,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 156 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:47:40,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2023-11-19 07:47:40,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 104. [2023-11-19 07:47:40,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 99 states have (on average 1.1919191919191918) internal successors, (118), 103 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:40,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 118 transitions. [2023-11-19 07:47:40,315 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 118 transitions. Word has length 36 [2023-11-19 07:47:40,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:40,316 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 118 transitions. [2023-11-19 07:47:40,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 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 07:47:40,316 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 118 transitions. [2023-11-19 07:47:40,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 07:47:40,317 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:40,317 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-19 07:47:40,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-19 07:47:40,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-19 07:47:40,538 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-19 07:47:40,539 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:40,539 INFO L85 PathProgramCache]: Analyzing trace with hash -259223083, now seen corresponding path program 1 times [2023-11-19 07:47:40,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:40,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596315103] [2023-11-19 07:47:40,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:40,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:40,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:40,658 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:40,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:40,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596315103] [2023-11-19 07:47:40,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596315103] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:47:40,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111476669] [2023-11-19 07:47:40,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:40,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:40,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:40,660 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:47:40,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-19 07:47:40,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:40,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 07:47:40,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:40,866 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:40,883 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:47:40,978 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:40,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2111476669] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:47:40,979 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:47:40,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 15 [2023-11-19 07:47:40,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932339183] [2023-11-19 07:47:40,980 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:47:40,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-19 07:47:40,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:40,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-19 07:47:40,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2023-11-19 07:47:40,981 INFO L87 Difference]: Start difference. First operand 104 states and 118 transitions. Second operand has 15 states, 15 states have (on average 4.2) internal successors, (63), 15 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 07:47:41,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:41,225 INFO L93 Difference]: Finished difference Result 170 states and 191 transitions. [2023-11-19 07:47:41,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-19 07:47:41,225 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.2) internal successors, (63), 15 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 38 [2023-11-19 07:47:41,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:41,226 INFO L225 Difference]: With dead ends: 170 [2023-11-19 07:47:41,226 INFO L226 Difference]: Without dead ends: 93 [2023-11-19 07:47:41,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 64 SyntacticMatches, 6 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=327, Unknown=0, NotChecked=0, Total=420 [2023-11-19 07:47:41,230 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 51 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:41,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 203 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:47:41,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-11-19 07:47:41,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 85. [2023-11-19 07:47:41,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 80 states have (on average 1.15) internal successors, (92), 84 states have internal predecessors, (92), 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 07:47:41,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 92 transitions. [2023-11-19 07:47:41,243 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 92 transitions. Word has length 38 [2023-11-19 07:47:41,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:41,244 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 92 transitions. [2023-11-19 07:47:41,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.2) internal successors, (63), 15 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 07:47:41,244 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 92 transitions. [2023-11-19 07:47:41,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 07:47:41,245 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:41,245 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] [2023-11-19 07:47:41,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-19 07:47:41,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-19 07:47:41,466 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-19 07:47:41,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:41,466 INFO L85 PathProgramCache]: Analyzing trace with hash -5303270, now seen corresponding path program 1 times [2023-11-19 07:47:41,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:41,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642275625] [2023-11-19 07:47:41,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:41,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:41,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:41,555 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:47:41,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:41,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642275625] [2023-11-19 07:47:41,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642275625] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:47:41,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [916412233] [2023-11-19 07:47:41,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:41,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:41,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:41,557 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:47:41,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-19 07:47:41,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:41,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 07:47:41,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:41,680 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:47:41,680 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:47:41,775 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:47:41,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [916412233] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:47:41,775 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:47:41,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2023-11-19 07:47:41,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375105437] [2023-11-19 07:47:41,776 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:47:41,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-19 07:47:41,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:41,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-19 07:47:41,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2023-11-19 07:47:41,780 INFO L87 Difference]: Start difference. First operand 85 states and 92 transitions. Second operand has 14 states, 13 states have (on average 6.461538461538462) internal successors, (84), 14 states have internal predecessors, (84), 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 07:47:42,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:42,017 INFO L93 Difference]: Finished difference Result 118 states and 125 transitions. [2023-11-19 07:47:42,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-19 07:47:42,018 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.461538461538462) internal successors, (84), 14 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2023-11-19 07:47:42,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:42,019 INFO L225 Difference]: With dead ends: 118 [2023-11-19 07:47:42,019 INFO L226 Difference]: Without dead ends: 117 [2023-11-19 07:47:42,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552 [2023-11-19 07:47:42,020 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 138 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:42,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 130 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:47:42,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-11-19 07:47:42,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 107. [2023-11-19 07:47:42,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 102 states have (on average 1.1470588235294117) internal successors, (117), 106 states have internal predecessors, (117), 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 07:47:42,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 117 transitions. [2023-11-19 07:47:42,034 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 117 transitions. Word has length 40 [2023-11-19 07:47:42,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:42,035 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 117 transitions. [2023-11-19 07:47:42,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.461538461538462) internal successors, (84), 14 states have internal predecessors, (84), 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 07:47:42,035 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 117 transitions. [2023-11-19 07:47:42,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 07:47:42,036 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:42,036 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 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] [2023-11-19 07:47:42,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-19 07:47:42,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:42,256 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-19 07:47:42,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:42,257 INFO L85 PathProgramCache]: Analyzing trace with hash 2135318327, now seen corresponding path program 1 times [2023-11-19 07:47:42,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:42,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162438041] [2023-11-19 07:47:42,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:42,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:42,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:42,309 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 07:47:42,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:42,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162438041] [2023-11-19 07:47:42,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162438041] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:47:42,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221290791] [2023-11-19 07:47:42,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:42,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:42,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:42,311 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:47:42,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-19 07:47:42,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:42,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 07:47:42,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:42,448 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 07:47:42,448 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:47:42,544 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 07:47:42,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221290791] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:47:42,545 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:47:42,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 6, 6] total 13 [2023-11-19 07:47:42,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426182984] [2023-11-19 07:47:42,545 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:47:42,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-19 07:47:42,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:42,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-19 07:47:42,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-11-19 07:47:42,547 INFO L87 Difference]: Start difference. First operand 107 states and 117 transitions. Second operand has 14 states, 13 states have (on average 9.692307692307692) internal successors, (126), 14 states have internal predecessors, (126), 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 07:47:42,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:42,744 INFO L93 Difference]: Finished difference Result 172 states and 191 transitions. [2023-11-19 07:47:42,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-19 07:47:42,745 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 9.692307692307692) internal successors, (126), 14 states have internal predecessors, (126), 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 51 [2023-11-19 07:47:42,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:42,747 INFO L225 Difference]: With dead ends: 172 [2023-11-19 07:47:42,747 INFO L226 Difference]: Without dead ends: 171 [2023-11-19 07:47:42,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=166, Invalid=340, Unknown=0, NotChecked=0, Total=506 [2023-11-19 07:47:42,748 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 89 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:42,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 94 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:47:42,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2023-11-19 07:47:42,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 106. [2023-11-19 07:47:42,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 102 states have (on average 1.1274509803921569) internal successors, (115), 105 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 07:47:42,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 115 transitions. [2023-11-19 07:47:42,763 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 115 transitions. Word has length 51 [2023-11-19 07:47:42,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:42,764 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 115 transitions. [2023-11-19 07:47:42,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 9.692307692307692) internal successors, (126), 14 states have internal predecessors, (126), 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 07:47:42,764 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 115 transitions. [2023-11-19 07:47:42,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 07:47:42,765 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:42,765 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:42,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-19 07:47:42,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:42,986 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-19 07:47:42,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:42,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1019953111, now seen corresponding path program 1 times [2023-11-19 07:47:42,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:42,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338652250] [2023-11-19 07:47:42,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:42,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:43,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:43,090 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-19 07:47:43,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:43,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338652250] [2023-11-19 07:47:43,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338652250] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:43,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:43,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:47:43,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685532477] [2023-11-19 07:47:43,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:43,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:47:43,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:43,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:47:43,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:47:43,093 INFO L87 Difference]: Start difference. First operand 106 states and 115 transitions. Second operand has 5 states, 4 states have (on average 12.0) 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 07:47:43,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:43,198 INFO L93 Difference]: Finished difference Result 122 states and 133 transitions. [2023-11-19 07:47:43,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:47:43,199 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.0) 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 64 [2023-11-19 07:47:43,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:43,200 INFO L225 Difference]: With dead ends: 122 [2023-11-19 07:47:43,201 INFO L226 Difference]: Without dead ends: 121 [2023-11-19 07:47:43,201 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 07:47:43,202 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 44 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:43,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 74 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:47:43,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-11-19 07:47:43,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 105. [2023-11-19 07:47:43,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 102 states have (on average 1.107843137254902) internal successors, (113), 104 states have internal predecessors, (113), 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 07:47:43,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 113 transitions. [2023-11-19 07:47:43,216 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 113 transitions. Word has length 64 [2023-11-19 07:47:43,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:43,217 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 113 transitions. [2023-11-19 07:47:43,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.0) 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 07:47:43,217 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 113 transitions. [2023-11-19 07:47:43,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 07:47:43,218 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:43,218 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:43,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-19 07:47:43,218 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-19 07:47:43,219 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:43,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1553775467, now seen corresponding path program 1 times [2023-11-19 07:47:43,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:43,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470731407] [2023-11-19 07:47:43,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:43,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:43,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:43,383 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 07:47:43,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:43,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470731407] [2023-11-19 07:47:43,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470731407] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:47:43,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1241569699] [2023-11-19 07:47:43,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:43,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:43,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:43,385 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:47:43,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-19 07:47:43,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:43,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:47:43,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:43,481 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-19 07:47:43,481 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:47:43,543 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-19 07:47:43,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1241569699] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:47:43,543 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:47:43,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 13 [2023-11-19 07:47:43,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963151307] [2023-11-19 07:47:43,544 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:47:43,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-19 07:47:43,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:43,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-19 07:47:43,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2023-11-19 07:47:43,546 INFO L87 Difference]: Start difference. First operand 105 states and 113 transitions. Second operand has 14 states, 13 states have (on average 8.76923076923077) internal successors, (114), 14 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:44,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:44,185 INFO L93 Difference]: Finished difference Result 291 states and 324 transitions. [2023-11-19 07:47:44,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-19 07:47:44,185 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 8.76923076923077) internal successors, (114), 14 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2023-11-19 07:47:44,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:44,187 INFO L225 Difference]: With dead ends: 291 [2023-11-19 07:47:44,188 INFO L226 Difference]: Without dead ends: 290 [2023-11-19 07:47:44,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 353 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=330, Invalid=1152, Unknown=0, NotChecked=0, Total=1482 [2023-11-19 07:47:44,190 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 272 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:44,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 196 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 07:47:44,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2023-11-19 07:47:44,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 160. [2023-11-19 07:47:44,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 157 states have (on average 1.1210191082802548) internal successors, (176), 159 states have internal predecessors, (176), 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 07:47:44,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 176 transitions. [2023-11-19 07:47:44,214 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 176 transitions. Word has length 65 [2023-11-19 07:47:44,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:44,214 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 176 transitions. [2023-11-19 07:47:44,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 8.76923076923077) internal successors, (114), 14 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:44,215 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 176 transitions. [2023-11-19 07:47:44,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-19 07:47:44,215 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:44,216 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-11-19 07:47:44,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-19 07:47:44,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2023-11-19 07:47:44,437 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-19 07:47:44,437 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:44,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1050628309, now seen corresponding path program 1 times [2023-11-19 07:47:44,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:44,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415172723] [2023-11-19 07:47:44,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:44,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:44,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:44,607 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 07:47:44,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:44,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415172723] [2023-11-19 07:47:44,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415172723] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:47:44,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1673503121] [2023-11-19 07:47:44,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:44,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:44,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:44,610 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:47:44,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-19 07:47:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:44,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 07:47:44,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:44,809 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 07:47:44,810 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:47:45,033 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 07:47:45,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1673503121] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:47:45,034 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:47:45,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 22 [2023-11-19 07:47:45,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027257649] [2023-11-19 07:47:45,034 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:47:45,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-19 07:47:45,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:45,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-19 07:47:45,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2023-11-19 07:47:45,037 INFO L87 Difference]: Start difference. First operand 160 states and 176 transitions. Second operand has 23 states, 22 states have (on average 7.045454545454546) internal successors, (155), 23 states have internal predecessors, (155), 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 07:47:45,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:45,894 INFO L93 Difference]: Finished difference Result 333 states and 365 transitions. [2023-11-19 07:47:45,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-11-19 07:47:45,895 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 7.045454545454546) internal successors, (155), 23 states have internal predecessors, (155), 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 72 [2023-11-19 07:47:45,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:45,897 INFO L225 Difference]: With dead ends: 333 [2023-11-19 07:47:45,897 INFO L226 Difference]: Without dead ends: 332 [2023-11-19 07:47:45,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1309 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=854, Invalid=3306, Unknown=0, NotChecked=0, Total=4160 [2023-11-19 07:47:45,901 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 407 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:45,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 241 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 07:47:45,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2023-11-19 07:47:45,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 210. [2023-11-19 07:47:45,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 207 states have (on average 1.1256038647342994) internal successors, (233), 209 states have internal predecessors, (233), 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 07:47:45,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 233 transitions. [2023-11-19 07:47:45,928 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 233 transitions. Word has length 72 [2023-11-19 07:47:45,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:45,929 INFO L495 AbstractCegarLoop]: Abstraction has 210 states and 233 transitions. [2023-11-19 07:47:45,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 7.045454545454546) internal successors, (155), 23 states have internal predecessors, (155), 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 07:47:45,929 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 233 transitions. [2023-11-19 07:47:45,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 07:47:45,930 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:45,930 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:45,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-19 07:47:46,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2023-11-19 07:47:46,144 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-19 07:47:46,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:46,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1089826399, now seen corresponding path program 1 times [2023-11-19 07:47:46,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:46,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593782176] [2023-11-19 07:47:46,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:46,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:46,247 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 42 proven. 5 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-19 07:47:46,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:46,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593782176] [2023-11-19 07:47:46,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593782176] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:47:46,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436922777] [2023-11-19 07:47:46,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:46,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:46,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:46,249 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:47:46,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-19 07:47:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:46,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 07:47:46,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:46,520 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 49 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 07:47:46,521 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:47:46,691 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 40 proven. 23 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 07:47:46,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [436922777] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:47:46,692 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:47:46,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 11, 11] total 18 [2023-11-19 07:47:46,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228768666] [2023-11-19 07:47:46,692 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:47:46,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-19 07:47:46,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:46,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-19 07:47:46,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2023-11-19 07:47:46,694 INFO L87 Difference]: Start difference. First operand 210 states and 233 transitions. Second operand has 18 states, 18 states have (on average 7.111111111111111) internal successors, (128), 18 states have internal predecessors, (128), 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 07:47:47,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:47,396 INFO L93 Difference]: Finished difference Result 424 states and 469 transitions. [2023-11-19 07:47:47,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-19 07:47:47,397 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 7.111111111111111) internal successors, (128), 18 states have internal predecessors, (128), 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 73 [2023-11-19 07:47:47,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:47,398 INFO L225 Difference]: With dead ends: 424 [2023-11-19 07:47:47,399 INFO L226 Difference]: Without dead ends: 230 [2023-11-19 07:47:47,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 131 SyntacticMatches, 7 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=295, Invalid=1037, Unknown=0, NotChecked=0, Total=1332 [2023-11-19 07:47:47,401 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 166 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:47,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 248 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 07:47:47,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2023-11-19 07:47:47,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 219. [2023-11-19 07:47:47,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 216 states have (on average 1.087962962962963) internal successors, (235), 218 states have internal predecessors, (235), 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 07:47:47,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 235 transitions. [2023-11-19 07:47:47,427 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 235 transitions. Word has length 73 [2023-11-19 07:47:47,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:47,427 INFO L495 AbstractCegarLoop]: Abstraction has 219 states and 235 transitions. [2023-11-19 07:47:47,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 7.111111111111111) internal successors, (128), 18 states have internal predecessors, (128), 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 07:47:47,428 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 235 transitions. [2023-11-19 07:47:47,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-19 07:47:47,428 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:47,429 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:47,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-19 07:47:47,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2023-11-19 07:47:47,647 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-19 07:47:47,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:47,647 INFO L85 PathProgramCache]: Analyzing trace with hash -565681035, now seen corresponding path program 2 times [2023-11-19 07:47:47,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:47,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38368556] [2023-11-19 07:47:47,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:47,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:47,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:47,817 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-19 07:47:47,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:47,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38368556] [2023-11-19 07:47:47,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38368556] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:47:47,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404264148] [2023-11-19 07:47:47,818 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-19 07:47:47,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:47,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:47,819 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:47:47,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-19 07:47:47,871 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-19 07:47:47,871 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 07:47:47,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 07:47:47,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:48,079 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-19 07:47:48,080 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:47:48,315 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-19 07:47:48,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [404264148] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:47:48,316 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:47:48,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 20 [2023-11-19 07:47:48,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839605010] [2023-11-19 07:47:48,317 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:47:48,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-19 07:47:48,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:48,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-19 07:47:48,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=359, Unknown=0, NotChecked=0, Total=420 [2023-11-19 07:47:48,319 INFO L87 Difference]: Start difference. First operand 219 states and 235 transitions. Second operand has 21 states, 20 states have (on average 10.65) internal successors, (213), 21 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 07:47:48,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:48,866 INFO L93 Difference]: Finished difference Result 227 states and 241 transitions. [2023-11-19 07:47:48,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-19 07:47:48,867 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 10.65) internal successors, (213), 21 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 103 [2023-11-19 07:47:48,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:48,869 INFO L225 Difference]: With dead ends: 227 [2023-11-19 07:47:48,869 INFO L226 Difference]: Without dead ends: 226 [2023-11-19 07:47:48,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=411, Invalid=1071, Unknown=0, NotChecked=0, Total=1482 [2023-11-19 07:47:48,871 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 280 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:48,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 134 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:47:48,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2023-11-19 07:47:48,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 179. [2023-11-19 07:47:48,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 177 states have (on average 1.073446327683616) internal successors, (190), 178 states have internal predecessors, (190), 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 07:47:48,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 190 transitions. [2023-11-19 07:47:48,907 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 190 transitions. Word has length 103 [2023-11-19 07:47:48,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:48,908 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 190 transitions. [2023-11-19 07:47:48,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 10.65) internal successors, (213), 21 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 07:47:48,914 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 190 transitions. [2023-11-19 07:47:48,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-19 07:47:48,915 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:48,916 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:48,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-19 07:47:49,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2023-11-19 07:47:49,137 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-19 07:47:49,137 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:49,138 INFO L85 PathProgramCache]: Analyzing trace with hash -898501860, now seen corresponding path program 2 times [2023-11-19 07:47:49,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:49,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586385328] [2023-11-19 07:47:49,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:49,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:49,607 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 45 proven. 167 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 07:47:49,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:49,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586385328] [2023-11-19 07:47:49,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586385328] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:47:49,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2031634830] [2023-11-19 07:47:49,608 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-19 07:47:49,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:49,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:49,610 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:47:49,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-19 07:47:49,657 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-19 07:47:49,658 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 07:47:49,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 07:47:49,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:49,990 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 70 proven. 92 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-19 07:47:49,991 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:47:50,275 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-19 07:47:50,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2031634830] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:47:50,275 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:47:50,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 7, 7] total 29 [2023-11-19 07:47:50,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947401888] [2023-11-19 07:47:50,276 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:47:50,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-11-19 07:47:50,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:50,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-11-19 07:47:50,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=723, Unknown=0, NotChecked=0, Total=812 [2023-11-19 07:47:50,279 INFO L87 Difference]: Start difference. First operand 179 states and 190 transitions. Second operand has 29 states, 29 states have (on average 8.0) internal successors, (232), 29 states have internal predecessors, (232), 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 07:47:51,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:51,891 INFO L93 Difference]: Finished difference Result 358 states and 383 transitions. [2023-11-19 07:47:51,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-11-19 07:47:51,891 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 8.0) internal successors, (232), 29 states have internal predecessors, (232), 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 112 [2023-11-19 07:47:51,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:51,893 INFO L225 Difference]: With dead ends: 358 [2023-11-19 07:47:51,893 INFO L226 Difference]: Without dead ends: 242 [2023-11-19 07:47:51,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1198 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1330, Invalid=3926, Unknown=0, NotChecked=0, Total=5256 [2023-11-19 07:47:51,897 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 668 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 668 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:51,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [668 Valid, 97 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 453 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 07:47:51,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2023-11-19 07:47:51,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 235. [2023-11-19 07:47:51,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 234 states have (on average 1.0427350427350428) internal successors, (244), 234 states have internal predecessors, (244), 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 07:47:51,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 244 transitions. [2023-11-19 07:47:51,933 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 244 transitions. Word has length 112 [2023-11-19 07:47:51,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:51,934 INFO L495 AbstractCegarLoop]: Abstraction has 235 states and 244 transitions. [2023-11-19 07:47:51,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 8.0) internal successors, (232), 29 states have internal predecessors, (232), 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 07:47:51,934 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 244 transitions. [2023-11-19 07:47:51,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-19 07:47:51,936 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:51,936 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:51,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-11-19 07:47:52,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2023-11-19 07:47:52,156 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-19 07:47:52,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:52,157 INFO L85 PathProgramCache]: Analyzing trace with hash 622159340, now seen corresponding path program 2 times [2023-11-19 07:47:52,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:52,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051955785] [2023-11-19 07:47:52,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:52,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:52,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:52,384 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 219 proven. 63 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-11-19 07:47:52,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:52,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051955785] [2023-11-19 07:47:52,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051955785] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:47:52,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [434117823] [2023-11-19 07:47:52,385 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-19 07:47:52,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:52,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:52,387 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:47:52,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-19 07:47:52,443 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-19 07:47:52,443 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 07:47:52,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 07:47:52,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:52,721 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2023-11-19 07:47:52,721 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:47:53,066 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2023-11-19 07:47:53,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [434117823] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:47:53,066 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:47:53,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 24 [2023-11-19 07:47:53,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000035997] [2023-11-19 07:47:53,067 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:47:53,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-19 07:47:53,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:53,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-19 07:47:53,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=494, Unknown=0, NotChecked=0, Total=552 [2023-11-19 07:47:53,069 INFO L87 Difference]: Start difference. First operand 235 states and 244 transitions. Second operand has 24 states, 24 states have (on average 9.875) internal successors, (237), 24 states have internal predecessors, (237), 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 07:47:53,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:53,965 INFO L93 Difference]: Finished difference Result 316 states and 331 transitions. [2023-11-19 07:47:53,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-19 07:47:53,966 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 9.875) internal successors, (237), 24 states have internal predecessors, (237), 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 145 [2023-11-19 07:47:53,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:53,966 INFO L225 Difference]: With dead ends: 316 [2023-11-19 07:47:53,966 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 07:47:53,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=533, Invalid=1629, Unknown=0, NotChecked=0, Total=2162 [2023-11-19 07:47:53,968 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 240 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 593 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:53,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 125 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 593 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 07:47:53,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 07:47:53,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 07:47:53,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:53,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 07:47:53,970 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 145 [2023-11-19 07:47:53,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:53,970 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:47:53,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 9.875) internal successors, (237), 24 states have internal predecessors, (237), 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 07:47:53,971 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:47:53,971 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 07:47:53,973 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 18 remaining) [2023-11-19 07:47:53,974 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 18 remaining) [2023-11-19 07:47:53,974 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 18 remaining) [2023-11-19 07:47:53,974 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 18 remaining) [2023-11-19 07:47:53,975 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 18 remaining) [2023-11-19 07:47:53,975 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 18 remaining) [2023-11-19 07:47:53,975 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 18 remaining) [2023-11-19 07:47:53,975 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 18 remaining) [2023-11-19 07:47:53,975 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 18 remaining) [2023-11-19 07:47:53,975 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 18 remaining) [2023-11-19 07:47:53,976 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 18 remaining) [2023-11-19 07:47:53,976 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 18 remaining) [2023-11-19 07:47:53,976 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 18 remaining) [2023-11-19 07:47:53,976 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 18 remaining) [2023-11-19 07:47:53,976 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 18 remaining) [2023-11-19 07:47:53,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 18 remaining) [2023-11-19 07:47:53,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 18 remaining) [2023-11-19 07:47:53,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 18 remaining) [2023-11-19 07:47:53,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-19 07:47:54,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2023-11-19 07:47:54,199 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 07:48:21,108 WARN L293 SmtUtils]: Spent 23.97s on a formula simplification. DAG size of input: 179 DAG size of output: 189 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-19 07:48:22,821 INFO L899 garLoopResultBuilder]: For program point L35-3(line 35) no Hoare annotation was computed. [2023-11-19 07:48:22,821 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-19 07:48:22,821 INFO L899 garLoopResultBuilder]: For program point L35-4(lines 35 37) no Hoare annotation was computed. [2023-11-19 07:48:22,821 INFO L899 garLoopResultBuilder]: For program point L35-6(lines 35 37) no Hoare annotation was computed. [2023-11-19 07:48:22,821 INFO L899 garLoopResultBuilder]: For program point L35-7(line 35) no Hoare annotation was computed. [2023-11-19 07:48:22,822 INFO L899 garLoopResultBuilder]: For program point L35-8(line 35) no Hoare annotation was computed. [2023-11-19 07:48:22,822 INFO L895 garLoopResultBuilder]: At program point L35-9(lines 35 37) the Hoare annotation is: (let ((.cse10 (= |ULTIMATE.start_main_~i~0#1| 1)) (.cse0 (<= (+ |ULTIMATE.start_main_~l~0#1| |ULTIMATE.start_main_~m~0#1|) 1999998)) (.cse1 (<= 0 (+ 999999 |ULTIMATE.start_main_~n~0#1|))) (.cse2 (<= |ULTIMATE.start_main_~n~0#1| 666666)) (.cse3 (<= |ULTIMATE.start_main_~m~0#1| 999999)) (.cse4 (<= |ULTIMATE.start_main_~l~0#1| 999999)) (.cse5 (<= 0 (+ 1999998 |ULTIMATE.start_main_~l~0#1| |ULTIMATE.start_main_~m~0#1|))) (.cse7 (<= 2 |ULTIMATE.start_main_~i~0#1|)) (.cse6 (<= 0 (+ 999999 |ULTIMATE.start_main_~m~0#1|))) (.cse8 (<= |ULTIMATE.start_main_~k~0#1| 2147483646)) (.cse9 (<= |ULTIMATE.start_main_~i~0#1| 666665))) (or (and .cse0 (= |ULTIMATE.start_main_~i~0#1| 0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= |ULTIMATE.start_main_~j~0#1| 0)) (and .cse0 (<= (+ 2 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~j~0#1|) .cse1 .cse2 .cse3 (<= |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~k~0#1|) .cse4 .cse5 .cse7 .cse6 .cse8 (<= |ULTIMATE.start_main_~j~0#1| 2147483646) .cse9) (and (<= 3 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 4) .cse10 .cse2 .cse3 .cse4 (or (and (= |ULTIMATE.start_main_~k~0#1| 1) .cse1 .cse5 .cse6) (and .cse1 .cse5 .cse6 (= 2 |ULTIMATE.start_main_~k~0#1|)))) (and (= 2 |ULTIMATE.start_main_~j~0#1|) .cse0 .cse10 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_main_~j~0#1| (* 2 |ULTIMATE.start_main_~i~0#1|)) .cse4 .cse5 .cse7 .cse6 .cse8 .cse9 (<= 1 |ULTIMATE.start_main_~k~0#1|)))) [2023-11-19 07:48:22,823 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-19 07:48:22,823 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-19 07:48:22,823 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 25 40) no Hoare annotation was computed. [2023-11-19 07:48:22,823 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-19 07:48:22,823 INFO L899 garLoopResultBuilder]: For program point L36-2(lines 36 37) no Hoare annotation was computed. [2023-11-19 07:48:22,824 INFO L899 garLoopResultBuilder]: For program point L36-3(line 36) no Hoare annotation was computed. [2023-11-19 07:48:22,824 INFO L899 garLoopResultBuilder]: For program point L36-4(line 36) no Hoare annotation was computed. [2023-11-19 07:48:22,824 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-19 07:48:22,824 INFO L895 garLoopResultBuilder]: At program point L36-5(lines 36 37) the Hoare annotation is: (let ((.cse9 (= 2 |ULTIMATE.start_main_~j~0#1|)) (.cse10 (= |ULTIMATE.start_main_~i~0#1| 1)) (.cse0 (<= (+ |ULTIMATE.start_main_~j~0#1| 1) (* 3 |ULTIMATE.start_main_~i~0#1|))) (.cse1 (<= 0 (+ 999999 |ULTIMATE.start_main_~n~0#1|))) (.cse2 (<= |ULTIMATE.start_main_~n~0#1| 666666)) (.cse3 (<= |ULTIMATE.start_main_~m~0#1| 999999)) (.cse4 (<= |ULTIMATE.start_main_~l~0#1| 999999)) (.cse5 (<= 0 (+ 1999998 |ULTIMATE.start_main_~l~0#1| |ULTIMATE.start_main_~m~0#1|))) (.cse6 (<= 0 (+ 999999 |ULTIMATE.start_main_~m~0#1|))) (.cse7 (<= |ULTIMATE.start_main_~i~0#1| 666665)) (.cse8 (<= 0 (+ |ULTIMATE.start_main_~j~0#1| 1431655764)))) (or (and (= |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~k~0#1|) .cse0 (<= (+ 2 |ULTIMATE.start_main_~k~0#1|) |ULTIMATE.start_main_~j~0#1|) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse10 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= 2 |ULTIMATE.start_main_~k~0#1|)) (and (= |ULTIMATE.start_main_~k~0#1| 1) .cse9 .cse10 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (<= (+ 2 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~j~0#1|) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= (+ |ULTIMATE.start_main_~i~0#1| 1) |ULTIMATE.start_main_~k~0#1|) .cse7 .cse8))) [2023-11-19 07:48:22,824 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 07:48:22,825 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2023-11-19 07:48:22,825 INFO L899 garLoopResultBuilder]: For program point L12(line 12) no Hoare annotation was computed. [2023-11-19 07:48:22,825 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-19 07:48:22,825 INFO L899 garLoopResultBuilder]: For program point L12-2(line 12) no Hoare annotation was computed. [2023-11-19 07:48:22,825 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2023-11-19 07:48:22,825 INFO L899 garLoopResultBuilder]: For program point L37-1(line 37) no Hoare annotation was computed. [2023-11-19 07:48:22,826 INFO L899 garLoopResultBuilder]: For program point L37-2(line 37) no Hoare annotation was computed. [2023-11-19 07:48:22,826 INFO L899 garLoopResultBuilder]: For program point L37-3(line 37) no Hoare annotation was computed. [2023-11-19 07:48:22,826 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-19 07:48:22,826 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2023-11-19 07:48:22,826 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-19 07:48:22,826 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 07:48:22,827 INFO L899 garLoopResultBuilder]: For program point L38(lines 25 40) no Hoare annotation was computed. [2023-11-19 07:48:22,827 INFO L899 garLoopResultBuilder]: For program point L30(line 30) no Hoare annotation was computed. [2023-11-19 07:48:22,827 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-19 07:48:22,827 INFO L899 garLoopResultBuilder]: For program point L31(line 31) no Hoare annotation was computed. [2023-11-19 07:48:22,827 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-19 07:48:22,827 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2023-11-19 07:48:22,827 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 07:48:22,828 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-19 07:48:22,828 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2023-11-19 07:48:22,828 INFO L899 garLoopResultBuilder]: For program point L33(line 33) no Hoare annotation was computed. [2023-11-19 07:48:22,828 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 07:48:22,828 INFO L899 garLoopResultBuilder]: For program point L33-1(line 33) no Hoare annotation was computed. [2023-11-19 07:48:22,828 INFO L899 garLoopResultBuilder]: For program point L33-2(line 33) no Hoare annotation was computed. [2023-11-19 07:48:22,829 INFO L899 garLoopResultBuilder]: For program point L33-3(line 33) no Hoare annotation was computed. [2023-11-19 07:48:22,829 INFO L899 garLoopResultBuilder]: For program point L33-4(line 33) no Hoare annotation was computed. [2023-11-19 07:48:22,829 INFO L899 garLoopResultBuilder]: For program point L33-5(line 33) no Hoare annotation was computed. [2023-11-19 07:48:22,829 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-19 07:48:22,829 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2023-11-19 07:48:22,829 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 34 37) no Hoare annotation was computed. [2023-11-19 07:48:22,829 INFO L899 garLoopResultBuilder]: For program point L34-3(line 34) no Hoare annotation was computed. [2023-11-19 07:48:22,830 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-19 07:48:22,830 INFO L899 garLoopResultBuilder]: For program point L34-4(line 34) no Hoare annotation was computed. [2023-11-19 07:48:22,830 INFO L895 garLoopResultBuilder]: At program point L34-5(lines 34 37) the Hoare annotation is: (let ((.cse6 (<= 0 (+ |ULTIMATE.start_main_~j~0#1| 1431655764))) (.cse0 (<= 0 (+ 999999 |ULTIMATE.start_main_~n~0#1|))) (.cse1 (<= |ULTIMATE.start_main_~n~0#1| 666666)) (.cse2 (<= |ULTIMATE.start_main_~m~0#1| 999999)) (.cse3 (<= |ULTIMATE.start_main_~l~0#1| 999999)) (.cse4 (<= 0 (+ 1999998 |ULTIMATE.start_main_~l~0#1| |ULTIMATE.start_main_~m~0#1|))) (.cse5 (<= 0 (+ 999999 |ULTIMATE.start_main_~m~0#1|)))) (or (and (= |ULTIMATE.start_main_~i~0#1| 1) .cse0 .cse1 .cse2 .cse3 .cse4 (<= |ULTIMATE.start_main_~j~0#1| 2) .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse5 (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= |ULTIMATE.start_main_~j~0#1| 2147483646) (<= |ULTIMATE.start_main_~i~0#1| 715827881) (<= 1 |ULTIMATE.start_main_~k~0#1|) .cse6) (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2023-11-19 07:48:22,830 INFO L899 garLoopResultBuilder]: For program point L18(lines 18 20) no Hoare annotation was computed. [2023-11-19 07:48:22,830 INFO L899 garLoopResultBuilder]: For program point L18-2(lines 17 22) no Hoare annotation was computed. [2023-11-19 07:48:22,831 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-19 07:48:22,831 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-19 07:48:22,831 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2023-11-19 07:48:22,831 INFO L899 garLoopResultBuilder]: For program point L35-1(line 35) no Hoare annotation was computed. [2023-11-19 07:48:22,835 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:22,837 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:48:22,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:48:22 BoogieIcfgContainer [2023-11-19 07:48:22,861 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:48:22,861 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:48:22,861 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:48:22,862 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:48:22,862 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:34" (3/4) ... [2023-11-19 07:48:22,865 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:48:22,875 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-19 07:48:22,875 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 07:48:22,875 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 07:48:22,876 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:48:22,990 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:48:22,990 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:48:22,991 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:48:22,991 INFO L158 Benchmark]: Toolchain (without parser) took 49475.79ms. Allocated memory was 213.9MB in the beginning and 497.0MB in the end (delta: 283.1MB). Free memory was 167.1MB in the beginning and 275.9MB in the end (delta: -108.8MB). Peak memory consumption was 176.9MB. Max. memory is 16.1GB. [2023-11-19 07:48:22,992 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 213.9MB. Free memory is still 189.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:48:22,992 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.69ms. Allocated memory is still 213.9MB. Free memory was 166.8MB in the beginning and 156.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 07:48:22,993 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.02ms. Allocated memory is still 213.9MB. Free memory was 156.3MB in the beginning and 154.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:48:22,993 INFO L158 Benchmark]: Boogie Preprocessor took 26.45ms. Allocated memory is still 213.9MB. Free memory was 154.5MB in the beginning and 153.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:48:22,994 INFO L158 Benchmark]: RCFGBuilder took 380.64ms. Allocated memory is still 213.9MB. Free memory was 153.3MB in the beginning and 140.1MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:48:22,994 INFO L158 Benchmark]: TraceAbstraction took 48592.64ms. Allocated memory was 213.9MB in the beginning and 497.0MB in the end (delta: 283.1MB). Free memory was 139.5MB in the beginning and 281.1MB in the end (delta: -141.6MB). Peak memory consumption was 265.0MB. Max. memory is 16.1GB. [2023-11-19 07:48:22,994 INFO L158 Benchmark]: Witness Printer took 129.62ms. Allocated memory is still 497.0MB. Free memory was 281.1MB in the beginning and 275.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 07:48:22,996 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 213.9MB. Free memory is still 189.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.69ms. Allocated memory is still 213.9MB. Free memory was 166.8MB in the beginning and 156.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.02ms. Allocated memory is still 213.9MB. Free memory was 156.3MB in the beginning and 154.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.45ms. Allocated memory is still 213.9MB. Free memory was 154.5MB in the beginning and 153.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 380.64ms. Allocated memory is still 213.9MB. Free memory was 153.3MB in the beginning and 140.1MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 48592.64ms. Allocated memory was 213.9MB in the beginning and 497.0MB in the end (delta: 283.1MB). Free memory was 139.5MB in the beginning and 281.1MB in the end (delta: -141.6MB). Peak memory consumption was 265.0MB. Max. memory is 16.1GB. * Witness Printer took 129.62ms. Allocated memory is still 497.0MB. Free memory was 281.1MB in the beginning and 275.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 58 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 48.5s, OverallIterations: 27, TraceHistogramMax: 8, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 8.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 28.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3359 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3359 mSDsluCounter, 2861 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2109 mSDsCounter, 107 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4732 IncrementalHoareTripleChecker+Invalid, 4839 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 107 mSolverCounterUnsat, 752 mSDtfsCounter, 4732 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1999 GetRequests, 1529 SyntacticMatches, 13 SemanticMatches, 457 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4002 ImplicationChecksByTransitivity, 5.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=235occurred in iteration=26, InterpolantAutomatonStates: 346, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 27 MinimizatonAttempts, 728 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 33 NumberOfFragments, 521 HoareAnnotationTreeSize, 3 FomulaSimplifications, 680197 FormulaSimplificationTreeSizeReduction, 26.9s HoareSimplificationTime, 3 FomulaSimplificationsInter, 15098 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 2009 NumberOfCodeBlocks, 1717 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 2714 ConstructedInterpolants, 0 QuantifiedInterpolants, 7755 SizeOfPredicates, 66 NumberOfNonLiveVariables, 1237 ConjunctsInSsa, 97 ConjunctsInUnsatCore, 53 InterpolantComputations, 16 PerfectInterpolantSequences, 1385/3242 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 18 specifications checked. All of them hold - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((((((((((i == 1) && (0 <= (999999 + n))) && (n <= 666666)) && (m <= 999999)) && (l <= 999999)) && (0 <= ((1999998 + l) + m))) && (j <= 2)) && (0 <= (999999 + m))) && (0 <= (j + 1431655764))) || ((((((((((((0 <= (999999 + n)) && (n <= 666666)) && (m <= 999999)) && (l <= 999999)) && (0 <= ((1999998 + l) + m))) && (2 <= i)) && (0 <= (999999 + m))) && (k <= 2147483646)) && (j <= 2147483646)) && (i <= 715827881)) && (1 <= k)) && (0 <= (j + 1431655764)))) || (((((((i == 0) && (0 <= (999999 + n))) && (n <= 666666)) && (m <= 999999)) && (l <= 999999)) && (0 <= ((1999998 + l) + m))) && (0 <= (999999 + m)))) - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: ((((((((((((((i == k) && ((j + 1) <= (3 * i))) && ((2 + k) <= j)) && (0 <= (999999 + n))) && (n <= 666666)) && (m <= 999999)) && (l <= 999999)) && (0 <= ((1999998 + l) + m))) && (0 <= (999999 + m))) && (i <= 666665)) && (0 <= (j + 1431655764))) || (((((((((2 == j) && (i == 1)) && (0 <= (999999 + n))) && (n <= 666666)) && (m <= 999999)) && (l <= 999999)) && (0 <= ((1999998 + l) + m))) && (0 <= (999999 + m))) && (2 == k))) || (((((((((k == 1) && (2 == j)) && (i == 1)) && (0 <= (999999 + n))) && (n <= 666666)) && (m <= 999999)) && (l <= 999999)) && (0 <= ((1999998 + l) + m))) && (0 <= (999999 + m)))) || (((((((((((((2 + i) <= j) && ((j + 1) <= (3 * i))) && (0 <= (999999 + n))) && (n <= 666666)) && (m <= 999999)) && (l <= 999999)) && (0 <= ((1999998 + l) + m))) && (0 <= (999999 + m))) && (k <= 2147483646)) && ((i + 1) <= k)) && (i <= 666665)) && (0 <= (j + 1431655764)))) - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: ((((((((((((((l + m) <= 1999998) && (i == 0)) && (0 <= (999999 + n))) && (n <= 666666)) && (m <= 999999)) && (l <= 999999)) && (0 <= ((1999998 + l) + m))) && (0 <= (999999 + m))) && (j == 0)) || ((((((((((((((l + m) <= 1999998) && ((2 + i) <= j)) && (0 <= (999999 + n))) && (n <= 666666)) && (m <= 999999)) && (i <= k)) && (l <= 999999)) && (0 <= ((1999998 + l) + m))) && (2 <= i)) && (0 <= (999999 + m))) && (k <= 2147483646)) && (j <= 2147483646)) && (i <= 666665))) || (((((((3 <= j) && (j <= 4)) && (i == 1)) && (n <= 666666)) && (m <= 999999)) && (l <= 999999)) && (((((k == 1) && (0 <= (999999 + n))) && (0 <= ((1999998 + l) + m))) && (0 <= (999999 + m))) || ((((0 <= (999999 + n)) && (0 <= ((1999998 + l) + m))) && (0 <= (999999 + m))) && (2 == k))))) || (((((((((2 == j) && ((l + m) <= 1999998)) && (i == 1)) && (0 <= (999999 + n))) && (n <= 666666)) && (m <= 999999)) && (l <= 999999)) && (0 <= ((1999998 + l) + m))) && (0 <= (999999 + m)))) || (((((((((((((l + m) <= 1999998) && (0 <= (999999 + n))) && (n <= 666666)) && (m <= 999999)) && (j == (2 * i))) && (l <= 999999)) && (0 <= ((1999998 + l) + m))) && (2 <= i)) && (0 <= (999999 + m))) && (k <= 2147483646)) && (i <= 666665)) && (1 <= k))) RESULT: Ultimate proved your program to be correct! [2023-11-19 07:48:23,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003ba2e2-57f2-4e07-b8ce-b469ed562d0a/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 Result: TRUE