./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-multidimensional/rev-3-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-multidimensional/rev-3-u.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 fe3cf414f0e241a9a4e73e59647cf6619ea50b905df4a1c2a404b3413992b780 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 03:49:52,867 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 03:49:52,953 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 03:49:52,961 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 03:49:52,961 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 03:49:52,995 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 03:49:52,997 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 03:49:52,998 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 03:49:52,998 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 03:49:53,000 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 03:49:53,000 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 03:49:53,000 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 03:49:53,001 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 03:49:53,004 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 03:49:53,004 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 03:49:53,004 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 03:49:53,005 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 03:49:53,005 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 03:49:53,005 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 03:49:53,006 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 03:49:53,006 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 03:49:53,011 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 03:49:53,012 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 03:49:53,012 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 03:49:53,012 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 03:49:53,012 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 03:49:53,013 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 03:49:53,013 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 03:49:53,013 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 03:49:53,013 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 03:49:53,014 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 03:49:53,014 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 03:49:53,014 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 03:49:53,014 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 03:49:53,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:49:53,015 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 03:49:53,015 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 03:49:53,016 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 03:49:53,016 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 03:49:53,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 03:49:53,016 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 03:49:53,017 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 03:49:53,017 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 03:49:53,017 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 03:49:53,018 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe3cf414f0e241a9a4e73e59647cf6619ea50b905df4a1c2a404b3413992b780 [2024-11-17 03:49:53,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 03:49:53,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 03:49:53,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 03:49:53,299 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 03:49:53,299 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 03:49:53,300 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-multidimensional/rev-3-u.c [2024-11-17 03:49:54,785 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 03:49:54,967 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 03:49:54,971 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/rev-3-u.c [2024-11-17 03:49:54,978 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cad82ade9/7e740dffea8444bfa18b09a8069e8a12/FLAGbc13e19cf [2024-11-17 03:49:55,361 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cad82ade9/7e740dffea8444bfa18b09a8069e8a12 [2024-11-17 03:49:55,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 03:49:55,365 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 03:49:55,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 03:49:55,366 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 03:49:55,371 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 03:49:55,372 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:49:55" (1/1) ... [2024-11-17 03:49:55,373 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2052965b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:49:55, skipping insertion in model container [2024-11-17 03:49:55,373 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:49:55" (1/1) ... [2024-11-17 03:49:55,394 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 03:49:55,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:49:55,620 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 03:49:55,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:49:55,675 INFO L204 MainTranslator]: Completed translation [2024-11-17 03:49:55,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:49:55 WrapperNode [2024-11-17 03:49:55,676 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 03:49:55,678 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 03:49:55,678 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 03:49:55,678 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 03:49:55,685 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:49:55" (1/1) ... [2024-11-17 03:49:55,697 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:49:55" (1/1) ... [2024-11-17 03:49:55,725 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 140 [2024-11-17 03:49:55,725 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 03:49:55,726 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 03:49:55,726 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 03:49:55,726 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 03:49:55,736 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:49:55" (1/1) ... [2024-11-17 03:49:55,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:49:55" (1/1) ... [2024-11-17 03:49:55,745 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:49:55" (1/1) ... [2024-11-17 03:49:55,765 INFO L175 MemorySlicer]: Split 7 memory accesses to 3 slices as follows [2, 3, 2]. 43 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-11-17 03:49:55,765 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:49:55" (1/1) ... [2024-11-17 03:49:55,765 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:49:55" (1/1) ... [2024-11-17 03:49:55,770 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:49:55" (1/1) ... [2024-11-17 03:49:55,774 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:49:55" (1/1) ... [2024-11-17 03:49:55,776 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:49:55" (1/1) ... [2024-11-17 03:49:55,777 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:49:55" (1/1) ... [2024-11-17 03:49:55,783 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 03:49:55,784 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 03:49:55,787 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 03:49:55,787 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 03:49:55,788 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:49:55" (1/1) ... [2024-11-17 03:49:55,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:49:55,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:49:55,819 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 03:49:55,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 03:49:55,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 03:49:55,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 03:49:55,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-17 03:49:55,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-17 03:49:55,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-17 03:49:55,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 03:49:55,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 03:49:55,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-17 03:49:55,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 03:49:55,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 03:49:55,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 03:49:55,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-17 03:49:55,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-17 03:49:55,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 03:49:55,939 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 03:49:55,941 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 03:49:56,248 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L18: call ULTIMATE.dealloc(main_~#A~0#1.base, main_~#A~0#1.offset);havoc main_~#A~0#1.base, main_~#A~0#1.offset;call ULTIMATE.dealloc(main_~#B~0#1.base, main_~#B~0#1.offset);havoc main_~#B~0#1.base, main_~#B~0#1.offset; [2024-11-17 03:49:56,270 INFO L? ?]: Removed 92 outVars from TransFormulas that were not future-live. [2024-11-17 03:49:56,270 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 03:49:56,285 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 03:49:56,285 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 03:49:56,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:49:56 BoogieIcfgContainer [2024-11-17 03:49:56,286 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 03:49:56,288 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 03:49:56,288 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 03:49:56,291 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 03:49:56,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:49:55" (1/3) ... [2024-11-17 03:49:56,296 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60724cd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:49:56, skipping insertion in model container [2024-11-17 03:49:56,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:49:55" (2/3) ... [2024-11-17 03:49:56,297 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60724cd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:49:56, skipping insertion in model container [2024-11-17 03:49:56,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:49:56" (3/3) ... [2024-11-17 03:49:56,298 INFO L112 eAbstractionObserver]: Analyzing ICFG rev-3-u.c [2024-11-17 03:49:56,317 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 03:49:56,317 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2024-11-17 03:49:56,380 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 03:49:56,388 INFO L333 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, 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;@2b572807, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 03:49:56,389 INFO L334 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2024-11-17 03:49:56,394 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 82 states have (on average 1.7439024390243902) internal successors, (143), 124 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:56,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-17 03:49:56,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:49:56,402 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-17 03:49:56,402 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 03:49:56,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:49:56,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1324872329, now seen corresponding path program 1 times [2024-11-17 03:49:56,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:49:56,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059751286] [2024-11-17 03:49:56,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:49:56,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:49:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:49:56,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:49:56,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:49:56,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059751286] [2024-11-17 03:49:56,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059751286] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:49:56,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:49:56,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:49:56,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818526819] [2024-11-17 03:49:56,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:49:56,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 03:49:56,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:49:56,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 03:49:56,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 03:49:56,648 INFO L87 Difference]: Start difference. First operand has 125 states, 82 states have (on average 1.7439024390243902) internal successors, (143), 124 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2024-11-17 03:49:56,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:49:56,681 INFO L93 Difference]: Finished difference Result 247 states and 283 transitions. [2024-11-17 03:49:56,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 03:49:56,683 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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 [2024-11-17 03:49:56,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:49:56,692 INFO L225 Difference]: With dead ends: 247 [2024-11-17 03:49:56,692 INFO L226 Difference]: Without dead ends: 119 [2024-11-17 03:49:56,696 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 03:49:56,701 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:49:56,702 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:49:56,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-17 03:49:56,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-11-17 03:49:56,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 77 states have (on average 1.6493506493506493) internal successors, (127), 118 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:56,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 127 transitions. [2024-11-17 03:49:56,746 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 127 transitions. Word has length 6 [2024-11-17 03:49:56,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:49:56,750 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 127 transitions. [2024-11-17 03:49:56,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2024-11-17 03:49:56,750 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 127 transitions. [2024-11-17 03:49:56,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-17 03:49:56,751 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:49:56,751 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:49:56,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 03:49:56,751 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 03:49:56,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:49:56,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1878631034, now seen corresponding path program 1 times [2024-11-17 03:49:56,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:49:56,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528236870] [2024-11-17 03:49:56,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:49:56,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:49:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:49:56,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:49:56,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:49:56,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528236870] [2024-11-17 03:49:56,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528236870] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:49:56,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:49:56,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 03:49:56,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708182561] [2024-11-17 03:49:56,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:49:56,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:49:56,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:49:56,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:49:56,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:49:56,931 INFO L87 Difference]: Start difference. First operand 119 states and 127 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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) [2024-11-17 03:49:57,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:49:57,238 INFO L93 Difference]: Finished difference Result 300 states and 352 transitions. [2024-11-17 03:49:57,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:49:57,239 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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 [2024-11-17 03:49:57,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:49:57,240 INFO L225 Difference]: With dead ends: 300 [2024-11-17 03:49:57,241 INFO L226 Difference]: Without dead ends: 183 [2024-11-17 03:49:57,241 INFO L431 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 [2024-11-17 03:49:57,242 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 163 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 03:49:57,243 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 96 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 03:49:57,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-17 03:49:57,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 174. [2024-11-17 03:49:57,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 132 states have (on average 1.5984848484848484) internal successors, (211), 173 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:57,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 211 transitions. [2024-11-17 03:49:57,257 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 211 transitions. Word has length 7 [2024-11-17 03:49:57,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:49:57,257 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 211 transitions. [2024-11-17 03:49:57,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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) [2024-11-17 03:49:57,257 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 211 transitions. [2024-11-17 03:49:57,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-17 03:49:57,258 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:49:57,258 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:49:57,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 03:49:57,258 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 03:49:57,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:49:57,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1478080753, now seen corresponding path program 1 times [2024-11-17 03:49:57,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:49:57,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119893159] [2024-11-17 03:49:57,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:49:57,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:49:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:49:57,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:49:57,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:49:57,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119893159] [2024-11-17 03:49:57,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119893159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:49:57,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:49:57,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:49:57,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812544751] [2024-11-17 03:49:57,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:49:57,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:49:57,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:49:57,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:49:57,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:49:57,318 INFO L87 Difference]: Start difference. First operand 174 states and 211 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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) [2024-11-17 03:49:57,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:49:57,416 INFO L93 Difference]: Finished difference Result 282 states and 359 transitions. [2024-11-17 03:49:57,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:49:57,417 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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 [2024-11-17 03:49:57,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:49:57,420 INFO L225 Difference]: With dead ends: 282 [2024-11-17 03:49:57,420 INFO L226 Difference]: Without dead ends: 276 [2024-11-17 03:49:57,421 INFO L431 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 [2024-11-17 03:49:57,422 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 54 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:49:57,422 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 179 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:49:57,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-11-17 03:49:57,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 254. [2024-11-17 03:49:57,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 212 states have (on average 1.6084905660377358) internal successors, (341), 253 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:57,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 341 transitions. [2024-11-17 03:49:57,445 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 341 transitions. Word has length 9 [2024-11-17 03:49:57,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:49:57,446 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 341 transitions. [2024-11-17 03:49:57,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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) [2024-11-17 03:49:57,446 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 341 transitions. [2024-11-17 03:49:57,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-17 03:49:57,447 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:49:57,447 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:49:57,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 03:49:57,447 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 03:49:57,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:49:57,448 INFO L85 PathProgramCache]: Analyzing trace with hash 875713199, now seen corresponding path program 1 times [2024-11-17 03:49:57,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:49:57,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126324645] [2024-11-17 03:49:57,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:49:57,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:49:57,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:49:57,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:49:57,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:49:57,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126324645] [2024-11-17 03:49:57,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126324645] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:49:57,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:49:57,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:49:57,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391264984] [2024-11-17 03:49:57,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:49:57,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:49:57,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:49:57,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:49:57,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:49:57,548 INFO L87 Difference]: Start difference. First operand 254 states and 341 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:57,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:49:57,677 INFO L93 Difference]: Finished difference Result 506 states and 680 transitions. [2024-11-17 03:49:57,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:49:57,678 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-17 03:49:57,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:49:57,680 INFO L225 Difference]: With dead ends: 506 [2024-11-17 03:49:57,680 INFO L226 Difference]: Without dead ends: 290 [2024-11-17 03:49:57,682 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:49:57,683 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 19 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:49:57,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 161 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:49:57,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-11-17 03:49:57,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 285. [2024-11-17 03:49:57,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 243 states have (on average 1.5761316872427984) internal successors, (383), 284 states have internal predecessors, (383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:57,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 383 transitions. [2024-11-17 03:49:57,702 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 383 transitions. Word has length 12 [2024-11-17 03:49:57,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:49:57,702 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 383 transitions. [2024-11-17 03:49:57,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:57,702 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 383 transitions. [2024-11-17 03:49:57,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-17 03:49:57,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:49:57,703 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:49:57,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 03:49:57,704 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 03:49:57,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:49:57,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1617130880, now seen corresponding path program 1 times [2024-11-17 03:49:57,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:49:57,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132097088] [2024-11-17 03:49:57,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:49:57,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:49:57,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:49:57,806 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:49:57,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:49:57,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132097088] [2024-11-17 03:49:57,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132097088] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:49:57,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274534972] [2024-11-17 03:49:57,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:49:57,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:49:57,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:49:57,810 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:49:57,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 03:49:57,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:49:57,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 03:49:57,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:49:57,946 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:49:57,947 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:49:57,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274534972] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:49:57,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 03:49:57,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-17 03:49:57,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629458104] [2024-11-17 03:49:57,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:49:57,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:49:57,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:49:57,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:49:57,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 03:49:57,950 INFO L87 Difference]: Start difference. First operand 285 states and 383 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:58,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:49:58,077 INFO L93 Difference]: Finished difference Result 309 states and 391 transitions. [2024-11-17 03:49:58,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:49:58,078 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-17 03:49:58,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:49:58,079 INFO L225 Difference]: With dead ends: 309 [2024-11-17 03:49:58,079 INFO L226 Difference]: Without dead ends: 306 [2024-11-17 03:49:58,080 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 03:49:58,081 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 106 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:49:58,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 210 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:49:58,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-11-17 03:49:58,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 282. [2024-11-17 03:49:58,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 243 states have (on average 1.5432098765432098) internal successors, (375), 281 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:58,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 375 transitions. [2024-11-17 03:49:58,103 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 375 transitions. Word has length 14 [2024-11-17 03:49:58,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:49:58,107 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 375 transitions. [2024-11-17 03:49:58,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:58,107 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 375 transitions. [2024-11-17 03:49:58,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-17 03:49:58,108 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:49:58,108 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:49:58,130 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 03:49:58,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:49:58,312 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 03:49:58,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:49:58,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1408550379, now seen corresponding path program 1 times [2024-11-17 03:49:58,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:49:58,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697357352] [2024-11-17 03:49:58,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:49:58,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:49:58,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:49:58,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:49:58,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:49:58,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697357352] [2024-11-17 03:49:58,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697357352] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:49:58,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929401845] [2024-11-17 03:49:58,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:49:58,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:49:58,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:49:58,392 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:49:58,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 03:49:58,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:49:58,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 03:49:58,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:49:58,489 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:49:58,489 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:49:58,526 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:49:58,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929401845] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:49:58,526 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:49:58,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-17 03:49:58,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750927546] [2024-11-17 03:49:58,526 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:49:58,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 03:49:58,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:49:58,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 03:49:58,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-17 03:49:58,529 INFO L87 Difference]: Start difference. First operand 282 states and 375 transitions. Second operand has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:58,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:49:58,752 INFO L93 Difference]: Finished difference Result 637 states and 843 transitions. [2024-11-17 03:49:58,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 03:49:58,753 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-17 03:49:58,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:49:58,756 INFO L225 Difference]: With dead ends: 637 [2024-11-17 03:49:58,756 INFO L226 Difference]: Without dead ends: 634 [2024-11-17 03:49:58,757 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-17 03:49:58,758 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 262 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 03:49:58,758 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 420 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 03:49:58,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2024-11-17 03:49:58,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 570. [2024-11-17 03:49:58,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 531 states have (on average 1.5423728813559323) internal successors, (819), 569 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:58,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 819 transitions. [2024-11-17 03:49:58,791 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 819 transitions. Word has length 15 [2024-11-17 03:49:58,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:49:58,791 INFO L471 AbstractCegarLoop]: Abstraction has 570 states and 819 transitions. [2024-11-17 03:49:58,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:58,791 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 819 transitions. [2024-11-17 03:49:58,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-17 03:49:58,792 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:49:58,792 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:49:58,813 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-17 03:49:58,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-17 03:49:58,997 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 03:49:58,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:49:58,997 INFO L85 PathProgramCache]: Analyzing trace with hash -368757631, now seen corresponding path program 1 times [2024-11-17 03:49:58,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:49:58,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295790912] [2024-11-17 03:49:58,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:49:58,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:49:59,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:49:59,039 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 03:49:59,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:49:59,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295790912] [2024-11-17 03:49:59,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295790912] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:49:59,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:49:59,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 03:49:59,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892681730] [2024-11-17 03:49:59,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:49:59,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:49:59,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:49:59,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:49:59,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:49:59,041 INFO L87 Difference]: Start difference. First operand 570 states and 819 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:59,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:49:59,204 INFO L93 Difference]: Finished difference Result 1110 states and 1602 transitions. [2024-11-17 03:49:59,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:49:59,205 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2024-11-17 03:49:59,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:49:59,208 INFO L225 Difference]: With dead ends: 1110 [2024-11-17 03:49:59,209 INFO L226 Difference]: Without dead ends: 570 [2024-11-17 03:49:59,210 INFO L431 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 [2024-11-17 03:49:59,211 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 175 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:49:59,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 92 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:49:59,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2024-11-17 03:49:59,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 570. [2024-11-17 03:49:59,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 531 states have (on average 1.512241054613936) internal successors, (803), 569 states have internal predecessors, (803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:59,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 803 transitions. [2024-11-17 03:49:59,243 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 803 transitions. Word has length 16 [2024-11-17 03:49:59,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:49:59,244 INFO L471 AbstractCegarLoop]: Abstraction has 570 states and 803 transitions. [2024-11-17 03:49:59,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:59,244 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 803 transitions. [2024-11-17 03:49:59,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-17 03:49:59,245 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:49:59,245 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:49:59,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 03:49:59,245 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 03:49:59,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:49:59,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1256621977, now seen corresponding path program 1 times [2024-11-17 03:49:59,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:49:59,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533884151] [2024-11-17 03:49:59,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:49:59,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:49:59,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:49:59,303 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 03:49:59,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:49:59,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533884151] [2024-11-17 03:49:59,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533884151] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:49:59,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1514294323] [2024-11-17 03:49:59,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:49:59,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:49:59,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:49:59,305 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:49:59,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 03:49:59,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:49:59,370 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 03:49:59,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:49:59,441 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 03:49:59,442 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:49:59,488 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 03:49:59,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1514294323] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:49:59,489 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:49:59,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5, 5] total 10 [2024-11-17 03:49:59,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266878196] [2024-11-17 03:49:59,490 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:49:59,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 03:49:59,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:49:59,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 03:49:59,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-17 03:49:59,491 INFO L87 Difference]: Start difference. First operand 570 states and 803 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:00,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:50:00,292 INFO L93 Difference]: Finished difference Result 1122 states and 1575 transitions. [2024-11-17 03:50:00,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-17 03:50:00,295 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2024-11-17 03:50:00,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:50:00,297 INFO L225 Difference]: With dead ends: 1122 [2024-11-17 03:50:00,297 INFO L226 Difference]: Without dead ends: 582 [2024-11-17 03:50:00,299 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-11-17 03:50:00,300 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 1314 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 842 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1314 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 03:50:00,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1314 Valid, 216 Invalid, 915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 842 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 03:50:00,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2024-11-17 03:50:00,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 563. [2024-11-17 03:50:00,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 563 states, 531 states have (on average 1.39924670433145) internal successors, (743), 562 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:00,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 743 transitions. [2024-11-17 03:50:00,319 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 743 transitions. Word has length 26 [2024-11-17 03:50:00,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:50:00,319 INFO L471 AbstractCegarLoop]: Abstraction has 563 states and 743 transitions. [2024-11-17 03:50:00,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:00,320 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 743 transitions. [2024-11-17 03:50:00,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-17 03:50:00,321 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:50:00,322 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:50:00,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-17 03:50:00,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:50:00,523 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 03:50:00,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:50:00,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1068233220, now seen corresponding path program 2 times [2024-11-17 03:50:00,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:50:00,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469731609] [2024-11-17 03:50:00,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:00,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:50:00,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:50:00,608 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-17 03:50:00,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:50:00,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469731609] [2024-11-17 03:50:00,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469731609] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:50:00,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956995560] [2024-11-17 03:50:00,608 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 03:50:00,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:50:00,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:50:00,610 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:50:00,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 03:50:00,670 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-17 03:50:00,670 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:50:00,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 03:50:00,672 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:50:00,715 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-17 03:50:00,716 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:50:00,761 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-17 03:50:00,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956995560] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:50:00,762 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:50:00,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-17 03:50:00,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261190042] [2024-11-17 03:50:00,763 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:50:00,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:50:00,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:50:00,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:50:00,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:50:00,764 INFO L87 Difference]: Start difference. First operand 563 states and 743 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 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) [2024-11-17 03:50:00,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:50:00,896 INFO L93 Difference]: Finished difference Result 563 states and 743 transitions. [2024-11-17 03:50:00,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 03:50:00,898 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 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 30 [2024-11-17 03:50:00,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:50:00,900 INFO L225 Difference]: With dead ends: 563 [2024-11-17 03:50:00,900 INFO L226 Difference]: Without dead ends: 560 [2024-11-17 03:50:00,900 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-17 03:50:00,901 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 231 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:50:00,901 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 120 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:50:00,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2024-11-17 03:50:00,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 488. [2024-11-17 03:50:00,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 459 states have (on average 1.3660130718954249) internal successors, (627), 487 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:00,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 627 transitions. [2024-11-17 03:50:00,918 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 627 transitions. Word has length 30 [2024-11-17 03:50:00,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:50:00,918 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 627 transitions. [2024-11-17 03:50:00,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 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) [2024-11-17 03:50:00,918 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 627 transitions. [2024-11-17 03:50:00,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-17 03:50:00,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:50:00,922 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:50:00,939 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 03:50:01,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:50:01,123 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 03:50:01,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:50:01,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1841024952, now seen corresponding path program 1 times [2024-11-17 03:50:01,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:50:01,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378256570] [2024-11-17 03:50:01,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:01,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:50:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:50:01,190 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-17 03:50:01,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:50:01,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378256570] [2024-11-17 03:50:01,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378256570] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:50:01,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:50:01,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:50:01,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622906093] [2024-11-17 03:50:01,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:50:01,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:50:01,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:50:01,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:50:01,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:50:01,192 INFO L87 Difference]: Start difference. First operand 488 states and 627 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:01,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:50:01,368 INFO L93 Difference]: Finished difference Result 1028 states and 1382 transitions. [2024-11-17 03:50:01,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:50:01,369 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2024-11-17 03:50:01,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:50:01,372 INFO L225 Difference]: With dead ends: 1028 [2024-11-17 03:50:01,372 INFO L226 Difference]: Without dead ends: 832 [2024-11-17 03:50:01,373 INFO L431 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 [2024-11-17 03:50:01,374 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 147 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 03:50:01,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 76 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 03:50:01,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2024-11-17 03:50:01,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 826. [2024-11-17 03:50:01,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 826 states, 797 states have (on average 1.3613550815558344) internal successors, (1085), 825 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:01,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 1085 transitions. [2024-11-17 03:50:01,397 INFO L78 Accepts]: Start accepts. Automaton has 826 states and 1085 transitions. Word has length 46 [2024-11-17 03:50:01,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:50:01,398 INFO L471 AbstractCegarLoop]: Abstraction has 826 states and 1085 transitions. [2024-11-17 03:50:01,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:01,398 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1085 transitions. [2024-11-17 03:50:01,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-17 03:50:01,399 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:50:01,399 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:50:01,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-17 03:50:01,399 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 03:50:01,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:50:01,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1237198589, now seen corresponding path program 1 times [2024-11-17 03:50:01,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:50:01,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334928230] [2024-11-17 03:50:01,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:01,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:50:01,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:50:01,477 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-17 03:50:01,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:50:01,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334928230] [2024-11-17 03:50:01,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334928230] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:50:01,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:50:01,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:50:01,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168693003] [2024-11-17 03:50:01,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:50:01,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:50:01,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:50:01,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:50:01,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:50:01,479 INFO L87 Difference]: Start difference. First operand 826 states and 1085 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:01,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:50:01,660 INFO L93 Difference]: Finished difference Result 836 states and 1088 transitions. [2024-11-17 03:50:01,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:50:01,661 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 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 47 [2024-11-17 03:50:01,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:50:01,664 INFO L225 Difference]: With dead ends: 836 [2024-11-17 03:50:01,664 INFO L226 Difference]: Without dead ends: 832 [2024-11-17 03:50:01,664 INFO L431 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 [2024-11-17 03:50:01,665 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 203 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:50:01,666 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 75 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:50:01,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2024-11-17 03:50:01,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 826. [2024-11-17 03:50:01,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 826 states, 797 states have (on average 1.3212045169385194) internal successors, (1053), 825 states have internal predecessors, (1053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:01,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 1053 transitions. [2024-11-17 03:50:01,691 INFO L78 Accepts]: Start accepts. Automaton has 826 states and 1053 transitions. Word has length 47 [2024-11-17 03:50:01,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:50:01,692 INFO L471 AbstractCegarLoop]: Abstraction has 826 states and 1053 transitions. [2024-11-17 03:50:01,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:01,693 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1053 transitions. [2024-11-17 03:50:01,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-17 03:50:01,694 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:50:01,694 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 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] [2024-11-17 03:50:01,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-17 03:50:01,695 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 03:50:01,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:50:01,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1611013697, now seen corresponding path program 1 times [2024-11-17 03:50:01,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:50:01,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896447769] [2024-11-17 03:50:01,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:01,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:50:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:50:01,776 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-17 03:50:01,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:50:01,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896447769] [2024-11-17 03:50:01,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896447769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:50:01,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:50:01,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:50:01,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947169973] [2024-11-17 03:50:01,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:50:01,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:50:01,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:50:01,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:50:01,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:50:01,778 INFO L87 Difference]: Start difference. First operand 826 states and 1053 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:01,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:50:01,936 INFO L93 Difference]: Finished difference Result 836 states and 1059 transitions. [2024-11-17 03:50:01,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:50:01,936 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 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 [2024-11-17 03:50:01,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:50:01,939 INFO L225 Difference]: With dead ends: 836 [2024-11-17 03:50:01,940 INFO L226 Difference]: Without dead ends: 832 [2024-11-17 03:50:01,941 INFO L431 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 [2024-11-17 03:50:01,942 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 121 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:50:01,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 81 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:50:01,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2024-11-17 03:50:01,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 826. [2024-11-17 03:50:01,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 826 states, 797 states have (on average 1.2810539523212046) internal successors, (1021), 825 states have internal predecessors, (1021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:01,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 1021 transitions. [2024-11-17 03:50:01,963 INFO L78 Accepts]: Start accepts. Automaton has 826 states and 1021 transitions. Word has length 51 [2024-11-17 03:50:01,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:50:01,963 INFO L471 AbstractCegarLoop]: Abstraction has 826 states and 1021 transitions. [2024-11-17 03:50:01,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:01,963 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1021 transitions. [2024-11-17 03:50:01,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-17 03:50:01,965 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:50:01,965 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 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] [2024-11-17 03:50:01,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-17 03:50:01,965 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 03:50:01,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:50:01,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1757637243, now seen corresponding path program 1 times [2024-11-17 03:50:01,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:50:01,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867178888] [2024-11-17 03:50:01,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:01,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:50:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:50:02,069 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-17 03:50:02,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:50:02,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867178888] [2024-11-17 03:50:02,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867178888] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:50:02,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:50:02,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:50:02,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715059102] [2024-11-17 03:50:02,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:50:02,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:50:02,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:50:02,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:50:02,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:50:02,071 INFO L87 Difference]: Start difference. First operand 826 states and 1021 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:02,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:50:02,215 INFO L93 Difference]: Finished difference Result 830 states and 1021 transitions. [2024-11-17 03:50:02,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:50:02,215 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 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 55 [2024-11-17 03:50:02,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:50:02,218 INFO L225 Difference]: With dead ends: 830 [2024-11-17 03:50:02,218 INFO L226 Difference]: Without dead ends: 826 [2024-11-17 03:50:02,218 INFO L431 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 [2024-11-17 03:50:02,219 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 125 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:50:02,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 83 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:50:02,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2024-11-17 03:50:02,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 826. [2024-11-17 03:50:02,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 826 states, 797 states have (on average 1.2609786700125472) internal successors, (1005), 825 states have internal predecessors, (1005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:02,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 1005 transitions. [2024-11-17 03:50:02,252 INFO L78 Accepts]: Start accepts. Automaton has 826 states and 1005 transitions. Word has length 55 [2024-11-17 03:50:02,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:50:02,252 INFO L471 AbstractCegarLoop]: Abstraction has 826 states and 1005 transitions. [2024-11-17 03:50:02,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:02,252 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1005 transitions. [2024-11-17 03:50:02,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-17 03:50:02,253 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:50:02,253 INFO L215 NwaCegarLoop]: trace histogram [10, 8, 8, 8, 8, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:50:02,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-17 03:50:02,254 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 03:50:02,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:50:02,254 INFO L85 PathProgramCache]: Analyzing trace with hash 793051269, now seen corresponding path program 1 times [2024-11-17 03:50:02,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:50:02,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084644153] [2024-11-17 03:50:02,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:02,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:50:02,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:50:02,324 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-17 03:50:02,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:50:02,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084644153] [2024-11-17 03:50:02,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084644153] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:50:02,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733757282] [2024-11-17 03:50:02,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:02,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:50:02,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:50:02,327 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:50:02,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 03:50:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:50:02,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 03:50:02,420 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:50:02,569 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 100 proven. 38 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 03:50:02,569 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:50:02,685 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 100 proven. 38 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 03:50:02,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [733757282] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:50:02,686 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:50:02,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 8, 8] total 16 [2024-11-17 03:50:02,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626509292] [2024-11-17 03:50:02,686 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:50:02,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-17 03:50:02,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:50:02,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-17 03:50:02,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2024-11-17 03:50:02,688 INFO L87 Difference]: Start difference. First operand 826 states and 1005 transitions. Second operand has 16 states, 16 states have (on average 5.6875) internal successors, (91), 16 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) [2024-11-17 03:50:03,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:50:03,988 INFO L93 Difference]: Finished difference Result 3588 states and 4647 transitions. [2024-11-17 03:50:03,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-17 03:50:03,989 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.6875) internal successors, (91), 16 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) Word has length 57 [2024-11-17 03:50:03,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:50:03,998 INFO L225 Difference]: With dead ends: 3588 [2024-11-17 03:50:03,998 INFO L226 Difference]: Without dead ends: 2790 [2024-11-17 03:50:04,000 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=643, Invalid=1163, Unknown=0, NotChecked=0, Total=1806 [2024-11-17 03:50:04,001 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 4575 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 735 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4575 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 03:50:04,001 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4575 Valid, 202 Invalid, 954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 735 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 03:50:04,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2790 states. [2024-11-17 03:50:04,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2790 to 2760. [2024-11-17 03:50:04,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2760 states, 2731 states have (on average 1.2687660197729769) internal successors, (3465), 2759 states have internal predecessors, (3465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:04,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2760 states to 2760 states and 3465 transitions. [2024-11-17 03:50:04,058 INFO L78 Accepts]: Start accepts. Automaton has 2760 states and 3465 transitions. Word has length 57 [2024-11-17 03:50:04,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:50:04,059 INFO L471 AbstractCegarLoop]: Abstraction has 2760 states and 3465 transitions. [2024-11-17 03:50:04,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.6875) internal successors, (91), 16 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) [2024-11-17 03:50:04,059 INFO L276 IsEmpty]: Start isEmpty. Operand 2760 states and 3465 transitions. [2024-11-17 03:50:04,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-17 03:50:04,060 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:50:04,060 INFO L215 NwaCegarLoop]: trace histogram [22, 20, 20, 20, 20, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:50:04,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-17 03:50:04,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-17 03:50:04,261 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 03:50:04,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:50:04,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1440073728, now seen corresponding path program 1 times [2024-11-17 03:50:04,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:50:04,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965321637] [2024-11-17 03:50:04,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:04,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:50:04,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:50:04,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1055 backedges. 548 proven. 245 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2024-11-17 03:50:04,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:50:04,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965321637] [2024-11-17 03:50:04,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965321637] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:50:04,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309189529] [2024-11-17 03:50:04,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:04,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:50:04,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:50:04,662 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:50:04,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 03:50:04,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:50:04,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 03:50:04,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:50:05,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1055 backedges. 548 proven. 245 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2024-11-17 03:50:05,083 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:50:05,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1055 backedges. 548 proven. 245 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2024-11-17 03:50:05,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1309189529] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:50:05,363 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:50:05,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 37 [2024-11-17 03:50:05,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083079239] [2024-11-17 03:50:05,364 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:50:05,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-17 03:50:05,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:50:05,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-17 03:50:05,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=579, Invalid=753, Unknown=0, NotChecked=0, Total=1332 [2024-11-17 03:50:05,366 INFO L87 Difference]: Start difference. First operand 2760 states and 3465 transitions. Second operand has 37 states, 37 states have (on average 5.648648648648648) internal successors, (209), 37 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:06,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:50:06,850 INFO L93 Difference]: Finished difference Result 8558 states and 11047 transitions. [2024-11-17 03:50:06,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-17 03:50:06,850 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 5.648648648648648) internal successors, (209), 37 states have internal predecessors, (209), 0 states have call successors, (0), 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 160 [2024-11-17 03:50:06,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:50:06,869 INFO L225 Difference]: With dead ends: 8558 [2024-11-17 03:50:06,870 INFO L226 Difference]: Without dead ends: 5856 [2024-11-17 03:50:06,874 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 745 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=876, Invalid=1380, Unknown=0, NotChecked=0, Total=2256 [2024-11-17 03:50:06,875 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 4649 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 1071 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4649 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 1277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 1071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:50:06,875 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4649 Valid, 238 Invalid, 1277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 1071 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-17 03:50:06,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5856 states. [2024-11-17 03:50:06,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5856 to 5856. [2024-11-17 03:50:06,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5856 states, 5827 states have (on average 1.2742406040844345) internal successors, (7425), 5855 states have internal predecessors, (7425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:06,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5856 states to 5856 states and 7425 transitions. [2024-11-17 03:50:06,994 INFO L78 Accepts]: Start accepts. Automaton has 5856 states and 7425 transitions. Word has length 160 [2024-11-17 03:50:06,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:50:06,994 INFO L471 AbstractCegarLoop]: Abstraction has 5856 states and 7425 transitions. [2024-11-17 03:50:06,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 5.648648648648648) internal successors, (209), 37 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:06,995 INFO L276 IsEmpty]: Start isEmpty. Operand 5856 states and 7425 transitions. [2024-11-17 03:50:06,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-11-17 03:50:06,997 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:50:06,997 INFO L215 NwaCegarLoop]: trace histogram [46, 44, 44, 44, 44, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:50:07,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-17 03:50:07,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-17 03:50:07,202 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 03:50:07,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:50:07,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1007183232, now seen corresponding path program 2 times [2024-11-17 03:50:07,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:50:07,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345270817] [2024-11-17 03:50:07,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:07,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:50:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:50:08,446 INFO L134 CoverageAnalysis]: Checked inductivity of 4931 backedges. 2516 proven. 1199 refuted. 0 times theorem prover too weak. 1216 trivial. 0 not checked. [2024-11-17 03:50:08,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:50:08,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345270817] [2024-11-17 03:50:08,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345270817] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:50:08,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454535495] [2024-11-17 03:50:08,447 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 03:50:08,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:50:08,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:50:08,449 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:50:08,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 03:50:08,624 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 03:50:08,625 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:50:08,627 INFO L255 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-17 03:50:08,633 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:50:09,266 INFO L134 CoverageAnalysis]: Checked inductivity of 4931 backedges. 2516 proven. 1199 refuted. 0 times theorem prover too weak. 1216 trivial. 0 not checked. [2024-11-17 03:50:09,266 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:50:10,066 INFO L134 CoverageAnalysis]: Checked inductivity of 4931 backedges. 2516 proven. 1199 refuted. 0 times theorem prover too weak. 1216 trivial. 0 not checked. [2024-11-17 03:50:10,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454535495] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:50:10,066 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:50:10,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 73 [2024-11-17 03:50:10,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993817917] [2024-11-17 03:50:10,067 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:50:10,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-11-17 03:50:10,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:50:10,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-11-17 03:50:10,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2307, Invalid=2949, Unknown=0, NotChecked=0, Total=5256 [2024-11-17 03:50:10,072 INFO L87 Difference]: Start difference. First operand 5856 states and 7425 transitions. Second operand has 73 states, 73 states have (on average 5.328767123287672) internal successors, (389), 73 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:13,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:50:13,912 INFO L93 Difference]: Finished difference Result 17786 states and 23083 transitions. [2024-11-17 03:50:13,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-17 03:50:13,913 INFO L78 Accepts]: Start accepts. Automaton has has 73 states, 73 states have (on average 5.328767123287672) internal successors, (389), 73 states have internal predecessors, (389), 0 states have call successors, (0), 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 280 [2024-11-17 03:50:13,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:50:13,951 INFO L225 Difference]: With dead ends: 17786 [2024-11-17 03:50:13,951 INFO L226 Difference]: Without dead ends: 12048 [2024-11-17 03:50:13,963 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 607 GetRequests, 513 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3217 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=3480, Invalid=5640, Unknown=0, NotChecked=0, Total=9120 [2024-11-17 03:50:13,964 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 8617 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 2345 mSolverCounterSat, 468 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8617 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 2813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 468 IncrementalHoareTripleChecker+Valid, 2345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-17 03:50:13,965 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8617 Valid, 404 Invalid, 2813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [468 Valid, 2345 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-17 03:50:13,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12048 states. [2024-11-17 03:50:14,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12048 to 12048. [2024-11-17 03:50:14,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12048 states, 12019 states have (on average 1.2767285131874533) internal successors, (15345), 12047 states have internal predecessors, (15345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:14,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12048 states to 12048 states and 15345 transitions. [2024-11-17 03:50:14,276 INFO L78 Accepts]: Start accepts. Automaton has 12048 states and 15345 transitions. Word has length 280 [2024-11-17 03:50:14,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:50:14,277 INFO L471 AbstractCegarLoop]: Abstraction has 12048 states and 15345 transitions. [2024-11-17 03:50:14,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 5.328767123287672) internal successors, (389), 73 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:14,277 INFO L276 IsEmpty]: Start isEmpty. Operand 12048 states and 15345 transitions. [2024-11-17 03:50:14,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2024-11-17 03:50:14,285 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:50:14,285 INFO L215 NwaCegarLoop]: trace histogram [94, 92, 92, 92, 92, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:50:14,305 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-17 03:50:14,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:50:14,486 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 03:50:14,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:50:14,487 INFO L85 PathProgramCache]: Analyzing trace with hash 703520640, now seen corresponding path program 3 times [2024-11-17 03:50:14,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:50:14,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075055174] [2024-11-17 03:50:14,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:14,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:50:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:50:18,245 INFO L134 CoverageAnalysis]: Checked inductivity of 21323 backedges. 10772 proven. 5267 refuted. 0 times theorem prover too weak. 5284 trivial. 0 not checked. [2024-11-17 03:50:18,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:50:18,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075055174] [2024-11-17 03:50:18,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075055174] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:50:18,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043944545] [2024-11-17 03:50:18,247 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 03:50:18,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:50:18,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:50:18,250 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:50:18,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 03:50:18,419 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-17 03:50:18,419 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:50:18,421 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 03:50:18,430 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:50:19,609 INFO L134 CoverageAnalysis]: Checked inductivity of 21323 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 21321 trivial. 0 not checked. [2024-11-17 03:50:19,609 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:50:20,167 INFO L134 CoverageAnalysis]: Checked inductivity of 21323 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 21321 trivial. 0 not checked. [2024-11-17 03:50:20,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1043944545] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:50:20,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:50:20,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 4, 4] total 54 [2024-11-17 03:50:20,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543084075] [2024-11-17 03:50:20,169 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:50:20,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-11-17 03:50:20,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:50:20,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-11-17 03:50:20,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1195, Invalid=1667, Unknown=0, NotChecked=0, Total=2862 [2024-11-17 03:50:20,172 INFO L87 Difference]: Start difference. First operand 12048 states and 15345 transitions. Second operand has 54 states, 54 states have (on average 5.907407407407407) internal successors, (319), 54 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:37,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:50:37,246 INFO L93 Difference]: Finished difference Result 36850 states and 48250 transitions. [2024-11-17 03:50:37,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2024-11-17 03:50:37,247 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 54 states have (on average 5.907407407407407) internal successors, (319), 54 states have internal predecessors, (319), 0 states have call successors, (0), 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 520 [2024-11-17 03:50:37,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:50:37,373 INFO L225 Difference]: With dead ends: 36850 [2024-11-17 03:50:37,374 INFO L226 Difference]: Without dead ends: 25040 [2024-11-17 03:50:37,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1278 GetRequests, 1036 SyntacticMatches, 0 SemanticMatches, 242 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18332 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=18176, Invalid=41116, Unknown=0, NotChecked=0, Total=59292 [2024-11-17 03:50:37,401 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 39603 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 2309 mSolverCounterSat, 2028 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39603 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 4337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2028 IncrementalHoareTripleChecker+Valid, 2309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-17 03:50:37,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39603 Valid, 422 Invalid, 4337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2028 Valid, 2309 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-17 03:50:37,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25040 states. [2024-11-17 03:50:37,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25040 to 21739. [2024-11-17 03:50:37,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21739 states, 21714 states have (on average 1.2480427374044396) internal successors, (27100), 21738 states have internal predecessors, (27100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:37,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21739 states to 21739 states and 27100 transitions. [2024-11-17 03:50:37,839 INFO L78 Accepts]: Start accepts. Automaton has 21739 states and 27100 transitions. Word has length 520 [2024-11-17 03:50:37,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:50:37,840 INFO L471 AbstractCegarLoop]: Abstraction has 21739 states and 27100 transitions. [2024-11-17 03:50:37,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 5.907407407407407) internal successors, (319), 54 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:37,842 INFO L276 IsEmpty]: Start isEmpty. Operand 21739 states and 27100 transitions. [2024-11-17 03:50:37,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 730 [2024-11-17 03:50:37,857 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:50:37,857 INFO L215 NwaCegarLoop]: trace histogram [144, 141, 141, 141, 141, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1] [2024-11-17 03:50:37,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-17 03:50:38,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-17 03:50:38,059 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 03:50:38,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:50:38,060 INFO L85 PathProgramCache]: Analyzing trace with hash 751320113, now seen corresponding path program 2 times [2024-11-17 03:50:38,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:50:38,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806309529] [2024-11-17 03:50:38,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:38,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:50:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:50:38,566 INFO L134 CoverageAnalysis]: Checked inductivity of 50215 backedges. 0 proven. 22474 refuted. 0 times theorem prover too weak. 27741 trivial. 0 not checked. [2024-11-17 03:50:38,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:50:38,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806309529] [2024-11-17 03:50:38,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806309529] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:50:38,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [756324417] [2024-11-17 03:50:38,567 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 03:50:38,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:50:38,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:50:38,569 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:50:38,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-17 03:50:38,790 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-17 03:50:38,790 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:50:38,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 03:50:38,798 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:50:39,402 INFO L134 CoverageAnalysis]: Checked inductivity of 50215 backedges. 0 proven. 22474 refuted. 0 times theorem prover too weak. 27741 trivial. 0 not checked. [2024-11-17 03:50:39,403 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:50:40,042 INFO L134 CoverageAnalysis]: Checked inductivity of 50215 backedges. 0 proven. 22474 refuted. 0 times theorem prover too weak. 27741 trivial. 0 not checked. [2024-11-17 03:50:40,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [756324417] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:50:40,043 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:50:40,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-17 03:50:40,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711834603] [2024-11-17 03:50:40,043 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:50:40,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:50:40,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:50:40,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:50:40,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:50:40,046 INFO L87 Difference]: Start difference. First operand 21739 states and 27100 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 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) [2024-11-17 03:50:40,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:50:40,386 INFO L93 Difference]: Finished difference Result 21739 states and 27100 transitions. [2024-11-17 03:50:40,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 03:50:40,387 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 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) Word has length 729 [2024-11-17 03:50:40,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:50:40,435 INFO L225 Difference]: With dead ends: 21739 [2024-11-17 03:50:40,436 INFO L226 Difference]: Without dead ends: 21736 [2024-11-17 03:50:40,445 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1461 GetRequests, 1455 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-17 03:50:40,445 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 201 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:50:40,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 66 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:50:40,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21736 states. [2024-11-17 03:50:40,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21736 to 20766. [2024-11-17 03:50:40,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20766 states, 20744 states have (on average 1.2589182414192055) internal successors, (26115), 20765 states have internal predecessors, (26115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:40,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20766 states to 20766 states and 26115 transitions. [2024-11-17 03:50:40,857 INFO L78 Accepts]: Start accepts. Automaton has 20766 states and 26115 transitions. Word has length 729 [2024-11-17 03:50:40,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:50:40,858 INFO L471 AbstractCegarLoop]: Abstraction has 20766 states and 26115 transitions. [2024-11-17 03:50:40,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 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) [2024-11-17 03:50:40,859 INFO L276 IsEmpty]: Start isEmpty. Operand 20766 states and 26115 transitions. [2024-11-17 03:50:40,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 983 [2024-11-17 03:50:40,878 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:50:40,878 INFO L215 NwaCegarLoop]: trace histogram [192, 188, 188, 188, 188, 6, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-17 03:50:40,897 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-17 03:50:41,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-17 03:50:41,079 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 03:50:41,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:50:41,080 INFO L85 PathProgramCache]: Analyzing trace with hash -339050334, now seen corresponding path program 1 times [2024-11-17 03:50:41,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:50:41,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352882674] [2024-11-17 03:50:41,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:41,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:50:41,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:50:41,921 INFO L134 CoverageAnalysis]: Checked inductivity of 89457 backedges. 0 proven. 44973 refuted. 0 times theorem prover too weak. 44484 trivial. 0 not checked. [2024-11-17 03:50:41,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:50:41,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352882674] [2024-11-17 03:50:41,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352882674] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:50:41,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420609582] [2024-11-17 03:50:41,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:41,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:50:41,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:50:41,924 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:50:41,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-17 03:50:42,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:50:42,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 2368 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-17 03:50:42,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:50:44,217 INFO L134 CoverageAnalysis]: Checked inductivity of 89457 backedges. 33717 proven. 5499 refuted. 0 times theorem prover too weak. 50241 trivial. 0 not checked. [2024-11-17 03:50:44,217 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:50:46,487 INFO L134 CoverageAnalysis]: Checked inductivity of 89457 backedges. 33717 proven. 5499 refuted. 0 times theorem prover too weak. 50241 trivial. 0 not checked. [2024-11-17 03:50:46,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1420609582] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:50:46,488 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:50:46,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 51, 51] total 102 [2024-11-17 03:50:46,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377877706] [2024-11-17 03:50:46,488 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:50:46,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2024-11-17 03:50:46,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:50:46,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2024-11-17 03:50:46,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4858, Invalid=5444, Unknown=0, NotChecked=0, Total=10302 [2024-11-17 03:50:46,495 INFO L87 Difference]: Start difference. First operand 20766 states and 26115 transitions. Second operand has 102 states, 102 states have (on average 5.254901960784314) internal successors, (536), 102 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:51:18,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:51:18,496 INFO L93 Difference]: Finished difference Result 62662 states and 80357 transitions. [2024-11-17 03:51:18,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2024-11-17 03:51:18,497 INFO L78 Accepts]: Start accepts. Automaton has has 102 states, 102 states have (on average 5.254901960784314) internal successors, (536), 102 states have internal predecessors, (536), 0 states have call successors, (0), 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 982 [2024-11-17 03:51:18,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:51:18,554 INFO L225 Difference]: With dead ends: 62662 [2024-11-17 03:51:18,555 INFO L226 Difference]: Without dead ends: 42139 [2024-11-17 03:51:18,587 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2159 GetRequests, 1865 SyntacticMatches, 0 SemanticMatches, 294 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23232 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=24452, Invalid=62868, Unknown=0, NotChecked=0, Total=87320 [2024-11-17 03:51:18,588 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 48540 mSDsluCounter, 1131 mSDsCounter, 0 mSdLazyCounter, 7848 mSolverCounterSat, 1905 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48540 SdHoareTripleChecker+Valid, 1175 SdHoareTripleChecker+Invalid, 9753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1905 IncrementalHoareTripleChecker+Valid, 7848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:51:18,588 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48540 Valid, 1175 Invalid, 9753 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1905 Valid, 7848 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2024-11-17 03:51:18,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42139 states. [2024-11-17 03:51:19,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42139 to 42127. [2024-11-17 03:51:19,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42127 states, 42108 states have (on average 1.2600218485798422) internal successors, (53057), 42126 states have internal predecessors, (53057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:51:19,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42127 states to 42127 states and 53057 transitions. [2024-11-17 03:51:19,497 INFO L78 Accepts]: Start accepts. Automaton has 42127 states and 53057 transitions. Word has length 982 [2024-11-17 03:51:19,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:51:19,498 INFO L471 AbstractCegarLoop]: Abstraction has 42127 states and 53057 transitions. [2024-11-17 03:51:19,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 102 states, 102 states have (on average 5.254901960784314) internal successors, (536), 102 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:51:19,498 INFO L276 IsEmpty]: Start isEmpty. Operand 42127 states and 53057 transitions. [2024-11-17 03:51:19,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2945 [2024-11-17 03:51:19,591 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:51:19,592 INFO L215 NwaCegarLoop]: trace histogram [582, 576, 576, 576, 576, 9, 6, 6, 6, 6, 6, 3, 3, 3, 3, 2, 2, 1, 1, 1] [2024-11-17 03:51:19,608 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-17 03:51:19,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:51:19,793 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 03:51:19,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:51:19,794 INFO L85 PathProgramCache]: Analyzing trace with hash -312360005, now seen corresponding path program 1 times [2024-11-17 03:51:19,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:51:19,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004253580] [2024-11-17 03:51:19,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:51:19,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms