./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/revcpyswp2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/revcpyswp2.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 e5d836305a9654c4a87b407d535438bc329bb78fc0805b3b823600303a7df507 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 20:07:43,900 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 20:07:43,983 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 20:07:43,991 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 20:07:43,992 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 20:07:44,026 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 20:07:44,027 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 20:07:44,027 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 20:07:44,028 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 20:07:44,029 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 20:07:44,030 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 20:07:44,030 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 20:07:44,031 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 20:07:44,031 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 20:07:44,033 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 20:07:44,034 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 20:07:44,034 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 20:07:44,034 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 20:07:44,035 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 20:07:44,035 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 20:07:44,038 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 20:07:44,039 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 20:07:44,039 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 20:07:44,039 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 20:07:44,039 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 20:07:44,040 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 20:07:44,040 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 20:07:44,040 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 20:07:44,041 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 20:07:44,041 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 20:07:44,041 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 20:07:44,041 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 20:07:44,042 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 20:07:44,042 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 20:07:44,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:07:44,043 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 20:07:44,043 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 20:07:44,043 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 20:07:44,043 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 20:07:44,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 20:07:44,044 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 20:07:44,046 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 20:07:44,046 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 20:07:44,046 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 20:07:44,046 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5d836305a9654c4a87b407d535438bc329bb78fc0805b3b823600303a7df507 [2024-10-11 20:07:44,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 20:07:44,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 20:07:44,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 20:07:44,344 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 20:07:44,345 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 20:07:44,346 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/revcpyswp2.c [2024-10-11 20:07:45,787 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 20:07:45,995 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 20:07:45,996 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/revcpyswp2.c [2024-10-11 20:07:46,011 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/5a07f6d68/84fcfcc7bc084e39a0ae9e5be5a001de/FLAG73e1ac3bc [2024-10-11 20:07:46,367 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/5a07f6d68/84fcfcc7bc084e39a0ae9e5be5a001de [2024-10-11 20:07:46,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 20:07:46,371 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 20:07:46,374 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 20:07:46,374 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 20:07:46,381 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 20:07:46,382 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:07:46" (1/1) ... [2024-10-11 20:07:46,385 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b072c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:07:46, skipping insertion in model container [2024-10-11 20:07:46,385 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:07:46" (1/1) ... [2024-10-11 20:07:46,404 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 20:07:46,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:07:46,599 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 20:07:46,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:07:46,638 INFO L204 MainTranslator]: Completed translation [2024-10-11 20:07:46,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:07:46 WrapperNode [2024-10-11 20:07:46,639 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 20:07:46,640 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 20:07:46,640 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 20:07:46,640 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 20:07:46,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:07:46" (1/1) ... [2024-10-11 20:07:46,655 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:07:46" (1/1) ... [2024-10-11 20:07:46,678 INFO L138 Inliner]: procedures = 16, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 134 [2024-10-11 20:07:46,679 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 20:07:46,679 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 20:07:46,680 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 20:07:46,680 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 20:07:46,690 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:07:46" (1/1) ... [2024-10-11 20:07:46,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:07:46" (1/1) ... [2024-10-11 20:07:46,693 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:07:46" (1/1) ... [2024-10-11 20:07:46,711 INFO L175 MemorySlicer]: Split 18 memory accesses to 5 slices as follows [2, 6, 5, 3, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 8 writes are split as follows [0, 3, 3, 1, 1]. [2024-10-11 20:07:46,711 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:07:46" (1/1) ... [2024-10-11 20:07:46,712 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:07:46" (1/1) ... [2024-10-11 20:07:46,718 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:07:46" (1/1) ... [2024-10-11 20:07:46,725 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:07:46" (1/1) ... [2024-10-11 20:07:46,727 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:07:46" (1/1) ... [2024-10-11 20:07:46,728 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:07:46" (1/1) ... [2024-10-11 20:07:46,730 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 20:07:46,732 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 20:07:46,733 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 20:07:46,733 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 20:07:46,734 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:07:46" (1/1) ... [2024-10-11 20:07:46,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:07:46,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:07:46,763 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 20:07:46,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 20:07:46,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 20:07:46,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 20:07:46,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 20:07:46,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 20:07:46,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 20:07:46,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 20:07:46,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 20:07:46,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 20:07:46,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 20:07:46,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 20:07:46,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 20:07:46,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 20:07:46,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 20:07:46,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 20:07:46,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 20:07:46,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 20:07:46,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 20:07:46,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 20:07:46,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 20:07:46,883 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 20:07:46,884 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 20:07:47,132 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-10-11 20:07:47,132 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 20:07:47,204 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 20:07:47,204 INFO L314 CfgBuilder]: Removed 5 assume(true) statements. [2024-10-11 20:07:47,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:07:47 BoogieIcfgContainer [2024-10-11 20:07:47,205 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 20:07:47,208 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 20:07:47,209 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 20:07:47,223 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 20:07:47,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 08:07:46" (1/3) ... [2024-10-11 20:07:47,224 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e9cbde7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:07:47, skipping insertion in model container [2024-10-11 20:07:47,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:07:46" (2/3) ... [2024-10-11 20:07:47,225 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e9cbde7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:07:47, skipping insertion in model container [2024-10-11 20:07:47,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:07:47" (3/3) ... [2024-10-11 20:07:47,230 INFO L112 eAbstractionObserver]: Analyzing ICFG revcpyswp2.c [2024-10-11 20:07:47,248 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 20:07:47,249 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-10-11 20:07:47,309 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 20:07:47,315 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;@567f7e4a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 20:07:47,315 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-10-11 20:07:47,319 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 37 states have (on average 1.9189189189189189) internal successors, (71), 59 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:47,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-11 20:07:47,324 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:47,324 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-11 20:07:47,325 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:07:47,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:47,330 INFO L85 PathProgramCache]: Analyzing trace with hash 5192857, now seen corresponding path program 1 times [2024-10-11 20:07:47,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:47,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819654997] [2024-10-11 20:07:47,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:47,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:47,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:07:47,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:47,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819654997] [2024-10-11 20:07:47,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819654997] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:07:47,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:07:47,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:07:47,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954623150] [2024-10-11 20:07:47,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:07:47,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:07:47,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:07:47,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:07:47,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:07:47,705 INFO L87 Difference]: Start difference. First operand has 60 states, 37 states have (on average 1.9189189189189189) internal successors, (71), 59 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:47,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:07:47,906 INFO L93 Difference]: Finished difference Result 136 states and 178 transitions. [2024-10-11 20:07:47,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:07:47,909 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-10-11 20:07:47,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:07:47,917 INFO L225 Difference]: With dead ends: 136 [2024-10-11 20:07:47,918 INFO L226 Difference]: Without dead ends: 78 [2024-10-11 20:07:47,921 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:07:47,926 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 15 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:07:47,929 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 66 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:07:47,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-10-11 20:07:47,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 60. [2024-10-11 20:07:47,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 38 states have (on average 1.7105263157894737) internal successors, (65), 59 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:47,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 65 transitions. [2024-10-11 20:07:47,964 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 65 transitions. Word has length 4 [2024-10-11 20:07:47,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:07:47,964 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 65 transitions. [2024-10-11 20:07:47,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:47,965 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2024-10-11 20:07:47,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-11 20:07:47,965 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:47,966 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-11 20:07:47,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 20:07:47,966 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:07:47,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:47,967 INFO L85 PathProgramCache]: Analyzing trace with hash 691473380, now seen corresponding path program 1 times [2024-10-11 20:07:47,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:47,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629727787] [2024-10-11 20:07:47,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:47,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:47,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:48,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:07:48,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:48,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629727787] [2024-10-11 20:07:48,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629727787] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:07:48,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:07:48,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:07:48,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142083358] [2024-10-11 20:07:48,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:07:48,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:07:48,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:07:48,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:07:48,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:07:48,076 INFO L87 Difference]: Start difference. First operand 60 states and 65 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:48,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:07:48,144 INFO L93 Difference]: Finished difference Result 110 states and 118 transitions. [2024-10-11 20:07:48,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:07:48,144 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-11 20:07:48,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:07:48,145 INFO L225 Difference]: With dead ends: 110 [2024-10-11 20:07:48,145 INFO L226 Difference]: Without dead ends: 60 [2024-10-11 20:07:48,146 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 [2024-10-11 20:07:48,147 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 0 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:07:48,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:07:48,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-10-11 20:07:48,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-10-11 20:07:48,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 38 states have (on average 1.6842105263157894) internal successors, (64), 59 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:48,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 64 transitions. [2024-10-11 20:07:48,155 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 64 transitions. Word has length 6 [2024-10-11 20:07:48,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:07:48,156 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 64 transitions. [2024-10-11 20:07:48,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:48,156 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2024-10-11 20:07:48,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-11 20:07:48,157 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:48,157 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-10-11 20:07:48,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 20:07:48,158 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:07:48,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:48,160 INFO L85 PathProgramCache]: Analyzing trace with hash 81632699, now seen corresponding path program 1 times [2024-10-11 20:07:48,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:48,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496821913] [2024-10-11 20:07:48,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:48,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:48,337 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:07:48,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:48,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496821913] [2024-10-11 20:07:48,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496821913] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:07:48,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1820665926] [2024-10-11 20:07:48,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:48,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:07:48,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:07:48,341 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:07:48,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 20:07:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:48,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:07:48,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:07:48,501 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:07:48,502 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:07:48,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1820665926] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:07:48,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:07:48,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-10-11 20:07:48,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246268796] [2024-10-11 20:07:48,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:07:48,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:07:48,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:07:48,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:07:48,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:07:48,507 INFO L87 Difference]: Start difference. First operand 60 states and 64 transitions. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 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) [2024-10-11 20:07:48,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:07:48,657 INFO L93 Difference]: Finished difference Result 78 states and 97 transitions. [2024-10-11 20:07:48,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:07:48,657 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 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 [2024-10-11 20:07:48,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:07:48,658 INFO L225 Difference]: With dead ends: 78 [2024-10-11 20:07:48,658 INFO L226 Difference]: Without dead ends: 77 [2024-10-11 20:07:48,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:07:48,660 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 15 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:07:48,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 80 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:07:48,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-10-11 20:07:48,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 59. [2024-10-11 20:07:48,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 38 states have (on average 1.6578947368421053) internal successors, (63), 58 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:48,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 63 transitions. [2024-10-11 20:07:48,674 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 63 transitions. Word has length 7 [2024-10-11 20:07:48,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:07:48,674 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 63 transitions. [2024-10-11 20:07:48,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 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) [2024-10-11 20:07:48,675 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2024-10-11 20:07:48,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-11 20:07:48,675 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:48,675 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2024-10-11 20:07:48,692 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-11 20:07:48,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:07:48,876 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:07:48,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:48,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1764353578, now seen corresponding path program 1 times [2024-10-11 20:07:48,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:48,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174863808] [2024-10-11 20:07:48,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:48,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:49,003 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:07:49,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:49,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174863808] [2024-10-11 20:07:49,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174863808] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:07:49,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1330156648] [2024-10-11 20:07:49,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:49,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:07:49,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:07:49,010 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:07:49,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 20:07:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:49,107 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:07:49,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:07:49,143 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:07:49,144 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:07:49,190 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:07:49,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1330156648] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:07:49,191 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:07:49,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-11 20:07:49,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089564044] [2024-10-11 20:07:49,191 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:07:49,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:07:49,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:07:49,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:07:49,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:07:49,193 INFO L87 Difference]: Start difference. First operand 59 states and 63 transitions. Second operand has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:49,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:07:49,355 INFO L93 Difference]: Finished difference Result 87 states and 111 transitions. [2024-10-11 20:07:49,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:07:49,357 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-10-11 20:07:49,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:07:49,359 INFO L225 Difference]: With dead ends: 87 [2024-10-11 20:07:49,359 INFO L226 Difference]: Without dead ends: 86 [2024-10-11 20:07:49,360 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:07:49,363 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 28 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:07:49,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 95 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:07:49,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-10-11 20:07:49,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 68. [2024-10-11 20:07:49,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 47 states have (on average 1.5957446808510638) internal successors, (75), 67 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:49,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 75 transitions. [2024-10-11 20:07:49,371 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 75 transitions. Word has length 8 [2024-10-11 20:07:49,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:07:49,372 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 75 transitions. [2024-10-11 20:07:49,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:49,372 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2024-10-11 20:07:49,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-11 20:07:49,373 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:49,373 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:07:49,392 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-11 20:07:49,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:07:49,577 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:07:49,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:49,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1135717510, now seen corresponding path program 1 times [2024-10-11 20:07:49,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:49,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769281968] [2024-10-11 20:07:49,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:49,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:49,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:49,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:07:49,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:49,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769281968] [2024-10-11 20:07:49,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769281968] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:07:49,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:07:49,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:07:49,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581198540] [2024-10-11 20:07:49,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:07:49,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:07:49,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:07:49,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:07:49,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:07:49,620 INFO L87 Difference]: Start difference. First operand 68 states and 75 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) [2024-10-11 20:07:49,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:07:49,680 INFO L93 Difference]: Finished difference Result 68 states and 75 transitions. [2024-10-11 20:07:49,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:07:49,680 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 [2024-10-11 20:07:49,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:07:49,681 INFO L225 Difference]: With dead ends: 68 [2024-10-11 20:07:49,681 INFO L226 Difference]: Without dead ends: 62 [2024-10-11 20:07:49,682 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 [2024-10-11 20:07:49,682 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 12 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:07:49,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 45 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:07:49,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-10-11 20:07:49,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-10-11 20:07:49,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 47 states have (on average 1.4680851063829787) internal successors, (69), 61 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:49,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 69 transitions. [2024-10-11 20:07:49,688 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 69 transitions. Word has length 9 [2024-10-11 20:07:49,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:07:49,689 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 69 transitions. [2024-10-11 20:07:49,689 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) [2024-10-11 20:07:49,689 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 69 transitions. [2024-10-11 20:07:49,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-11 20:07:49,689 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:49,690 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:07:49,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 20:07:49,690 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:07:49,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:49,691 INFO L85 PathProgramCache]: Analyzing trace with hash 847504507, now seen corresponding path program 1 times [2024-10-11 20:07:49,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:49,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219918198] [2024-10-11 20:07:49,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:49,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:49,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:49,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:07:49,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:49,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219918198] [2024-10-11 20:07:49,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219918198] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:07:49,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:07:49,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:07:49,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240446629] [2024-10-11 20:07:49,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:07:49,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:07:49,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:07:49,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:07:49,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:07:49,759 INFO L87 Difference]: Start difference. First operand 62 states and 69 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:49,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:07:49,839 INFO L93 Difference]: Finished difference Result 86 states and 96 transitions. [2024-10-11 20:07:49,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:07:49,840 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2024-10-11 20:07:49,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:07:49,840 INFO L225 Difference]: With dead ends: 86 [2024-10-11 20:07:49,841 INFO L226 Difference]: Without dead ends: 80 [2024-10-11 20:07:49,841 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:07:49,842 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 78 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:07:49,842 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 39 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:07:49,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-10-11 20:07:49,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 76. [2024-10-11 20:07:49,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 75 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:49,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 84 transitions. [2024-10-11 20:07:49,851 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 84 transitions. Word has length 10 [2024-10-11 20:07:49,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:07:49,855 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 84 transitions. [2024-10-11 20:07:49,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:49,855 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2024-10-11 20:07:49,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-11 20:07:49,856 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:49,856 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:07:49,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 20:07:49,856 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:07:49,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:49,857 INFO L85 PathProgramCache]: Analyzing trace with hash 502802994, now seen corresponding path program 1 times [2024-10-11 20:07:49,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:49,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87085324] [2024-10-11 20:07:49,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:49,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:49,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:49,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:07:49,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:49,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87085324] [2024-10-11 20:07:49,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87085324] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:07:49,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:07:49,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:07:49,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089705200] [2024-10-11 20:07:49,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:07:49,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:07:49,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:07:49,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:07:49,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:07:49,919 INFO L87 Difference]: Start difference. First operand 76 states and 84 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:49,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:07:49,992 INFO L93 Difference]: Finished difference Result 111 states and 123 transitions. [2024-10-11 20:07:49,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:07:49,993 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-10-11 20:07:49,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:07:49,994 INFO L225 Difference]: With dead ends: 111 [2024-10-11 20:07:49,994 INFO L226 Difference]: Without dead ends: 80 [2024-10-11 20:07:49,994 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 [2024-10-11 20:07:49,995 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 62 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:07:49,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 40 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:07:49,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-10-11 20:07:50,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2024-10-11 20:07:50,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 63 states have (on average 1.3492063492063493) internal successors, (85), 77 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:50,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 85 transitions. [2024-10-11 20:07:50,003 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 85 transitions. Word has length 11 [2024-10-11 20:07:50,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:07:50,003 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 85 transitions. [2024-10-11 20:07:50,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:50,004 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 85 transitions. [2024-10-11 20:07:50,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-11 20:07:50,004 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:50,004 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:07:50,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 20:07:50,005 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:07:50,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:50,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1263465012, now seen corresponding path program 1 times [2024-10-11 20:07:50,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:50,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588470866] [2024-10-11 20:07:50,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:50,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:50,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:07:50,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:50,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588470866] [2024-10-11 20:07:50,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588470866] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:07:50,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:07:50,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:07:50,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449851464] [2024-10-11 20:07:50,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:07:50,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:07:50,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:07:50,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:07:50,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:07:50,064 INFO L87 Difference]: Start difference. First operand 78 states and 85 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:50,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:07:50,144 INFO L93 Difference]: Finished difference Result 84 states and 91 transitions. [2024-10-11 20:07:50,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:07:50,145 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2024-10-11 20:07:50,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:07:50,146 INFO L225 Difference]: With dead ends: 84 [2024-10-11 20:07:50,146 INFO L226 Difference]: Without dead ends: 82 [2024-10-11 20:07:50,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:07:50,147 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 7 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:07:50,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 78 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:07:50,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-10-11 20:07:50,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 80. [2024-10-11 20:07:50,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 65 states have (on average 1.3384615384615384) internal successors, (87), 79 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:50,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 87 transitions. [2024-10-11 20:07:50,152 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 87 transitions. Word has length 17 [2024-10-11 20:07:50,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:07:50,153 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 87 transitions. [2024-10-11 20:07:50,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:50,153 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 87 transitions. [2024-10-11 20:07:50,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-11 20:07:50,154 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:50,154 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1] [2024-10-11 20:07:50,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 20:07:50,154 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:07:50,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:50,155 INFO L85 PathProgramCache]: Analyzing trace with hash 334392632, now seen corresponding path program 2 times [2024-10-11 20:07:50,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:50,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644224106] [2024-10-11 20:07:50,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:50,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:50,318 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:07:50,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:50,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644224106] [2024-10-11 20:07:50,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644224106] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:07:50,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699491608] [2024-10-11 20:07:50,319 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:07:50,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:07:50,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:07:50,322 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:07:50,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 20:07:50,400 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-11 20:07:50,401 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:07:50,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:07:50,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:07:50,451 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-11 20:07:50,451 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:07:50,491 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-11 20:07:50,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699491608] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:07:50,491 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:07:50,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 2, 2] total 13 [2024-10-11 20:07:50,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935488092] [2024-10-11 20:07:50,491 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:07:50,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 20:07:50,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:07:50,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 20:07:50,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:07:50,493 INFO L87 Difference]: Start difference. First operand 80 states and 87 transitions. Second operand has 14 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:50,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:07:50,754 INFO L93 Difference]: Finished difference Result 85 states and 94 transitions. [2024-10-11 20:07:50,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 20:07:50,755 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 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 17 [2024-10-11 20:07:50,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:07:50,755 INFO L225 Difference]: With dead ends: 85 [2024-10-11 20:07:50,755 INFO L226 Difference]: Without dead ends: 84 [2024-10-11 20:07:50,756 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=144, Invalid=456, Unknown=0, NotChecked=0, Total=600 [2024-10-11 20:07:50,756 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 98 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:07:50,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 118 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:07:50,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-10-11 20:07:50,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 68. [2024-10-11 20:07:50,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 54 states have (on average 1.3333333333333333) internal successors, (72), 67 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:50,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 72 transitions. [2024-10-11 20:07:50,763 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 72 transitions. Word has length 17 [2024-10-11 20:07:50,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:07:50,763 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 72 transitions. [2024-10-11 20:07:50,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:50,763 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 72 transitions. [2024-10-11 20:07:50,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-11 20:07:50,764 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:50,764 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:07:50,781 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 20:07:50,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:07:50,965 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:07:50,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:50,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1233739744, now seen corresponding path program 1 times [2024-10-11 20:07:50,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:50,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407909198] [2024-10-11 20:07:50,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:50,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:50,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:51,063 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 20:07:51,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:51,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407909198] [2024-10-11 20:07:51,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407909198] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:07:51,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [891333189] [2024-10-11 20:07:51,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:51,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:07:51,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:07:51,067 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:07:51,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 20:07:51,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:51,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:07:51,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:07:51,196 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 20:07:51,200 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:07:51,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 20:07:51,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [891333189] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:07:51,243 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:07:51,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-11 20:07:51,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236290160] [2024-10-11 20:07:51,243 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:07:51,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 20:07:51,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:07:51,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 20:07:51,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:07:51,245 INFO L87 Difference]: Start difference. First operand 68 states and 72 transitions. Second operand has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 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) [2024-10-11 20:07:51,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:07:51,371 INFO L93 Difference]: Finished difference Result 133 states and 141 transitions. [2024-10-11 20:07:51,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:07:51,372 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 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 21 [2024-10-11 20:07:51,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:07:51,372 INFO L225 Difference]: With dead ends: 133 [2024-10-11 20:07:51,373 INFO L226 Difference]: Without dead ends: 71 [2024-10-11 20:07:51,373 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:07:51,374 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 12 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:07:51,376 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 117 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:07:51,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-10-11 20:07:51,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-10-11 20:07:51,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 70 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:51,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 75 transitions. [2024-10-11 20:07:51,386 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 75 transitions. Word has length 21 [2024-10-11 20:07:51,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:07:51,386 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 75 transitions. [2024-10-11 20:07:51,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 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) [2024-10-11 20:07:51,387 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 75 transitions. [2024-10-11 20:07:51,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-11 20:07:51,387 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:51,387 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:07:51,405 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-11 20:07:51,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-11 20:07:51,588 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:07:51,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:51,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1798756610, now seen corresponding path program 2 times [2024-10-11 20:07:51,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:51,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164769203] [2024-10-11 20:07:51,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:51,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:51,743 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:07:51,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:51,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164769203] [2024-10-11 20:07:51,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164769203] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:07:51,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515228225] [2024-10-11 20:07:51,744 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:07:51,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:07:51,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:07:51,746 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:07:51,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 20:07:51,830 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:07:51,830 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:07:51,831 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:07:51,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:07:51,943 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-11 20:07:51,944 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:07:51,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1515228225] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:07:51,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:07:51,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 14 [2024-10-11 20:07:51,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182541568] [2024-10-11 20:07:51,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:07:51,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:07:51,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:07:51,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:07:51,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-10-11 20:07:51,946 INFO L87 Difference]: Start difference. First operand 71 states and 75 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:52,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:07:52,039 INFO L93 Difference]: Finished difference Result 73 states and 77 transitions. [2024-10-11 20:07:52,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:07:52,039 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 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 24 [2024-10-11 20:07:52,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:07:52,040 INFO L225 Difference]: With dead ends: 73 [2024-10-11 20:07:52,040 INFO L226 Difference]: Without dead ends: 68 [2024-10-11 20:07:52,040 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-10-11 20:07:52,041 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 42 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:07:52,041 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 50 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:07:52,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-10-11 20:07:52,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2024-10-11 20:07:52,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 57 states have (on average 1.2280701754385965) internal successors, (70), 65 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:52,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 70 transitions. [2024-10-11 20:07:52,046 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 70 transitions. Word has length 24 [2024-10-11 20:07:52,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:07:52,046 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 70 transitions. [2024-10-11 20:07:52,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:52,047 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2024-10-11 20:07:52,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-11 20:07:52,047 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:52,047 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:07:52,065 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 20:07:52,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-11 20:07:52,252 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:07:52,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:52,253 INFO L85 PathProgramCache]: Analyzing trace with hash 73086991, now seen corresponding path program 1 times [2024-10-11 20:07:52,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:52,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963969954] [2024-10-11 20:07:52,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:52,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:52,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:52,308 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 20:07:52,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:52,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963969954] [2024-10-11 20:07:52,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963969954] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:07:52,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:07:52,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:07:52,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228673867] [2024-10-11 20:07:52,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:07:52,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:07:52,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:07:52,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:07:52,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:07:52,311 INFO L87 Difference]: Start difference. First operand 66 states and 70 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:52,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:07:52,381 INFO L93 Difference]: Finished difference Result 72 states and 76 transitions. [2024-10-11 20:07:52,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:07:52,382 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2024-10-11 20:07:52,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:07:52,383 INFO L225 Difference]: With dead ends: 72 [2024-10-11 20:07:52,383 INFO L226 Difference]: Without dead ends: 70 [2024-10-11 20:07:52,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:07:52,384 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 15 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:07:52,384 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 64 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:07:52,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-10-11 20:07:52,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 68. [2024-10-11 20:07:52,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 59 states have (on average 1.2203389830508475) internal successors, (72), 67 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:52,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 72 transitions. [2024-10-11 20:07:52,388 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 72 transitions. Word has length 25 [2024-10-11 20:07:52,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:07:52,388 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 72 transitions. [2024-10-11 20:07:52,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:52,389 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 72 transitions. [2024-10-11 20:07:52,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-11 20:07:52,390 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:52,390 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:07:52,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 20:07:52,390 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:07:52,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:52,391 INFO L85 PathProgramCache]: Analyzing trace with hash -213767544, now seen corresponding path program 1 times [2024-10-11 20:07:52,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:52,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244510958] [2024-10-11 20:07:52,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:52,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:52,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:52,503 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-11 20:07:52,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:52,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244510958] [2024-10-11 20:07:52,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244510958] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:07:52,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447505548] [2024-10-11 20:07:52,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:52,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:07:52,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:07:52,506 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:07:52,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 20:07:52,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:52,596 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:07:52,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:07:52,684 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-11 20:07:52,685 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:07:52,733 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-11 20:07:52,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [447505548] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:07:52,733 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:07:52,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-10-11 20:07:52,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126125999] [2024-10-11 20:07:52,733 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:07:52,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:07:52,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:07:52,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:07:52,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:07:52,734 INFO L87 Difference]: Start difference. First operand 68 states and 72 transitions. Second operand has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:52,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:07:52,865 INFO L93 Difference]: Finished difference Result 114 states and 121 transitions. [2024-10-11 20:07:52,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:07:52,866 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2024-10-11 20:07:52,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:07:52,866 INFO L225 Difference]: With dead ends: 114 [2024-10-11 20:07:52,866 INFO L226 Difference]: Without dead ends: 79 [2024-10-11 20:07:52,867 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 48 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:07:52,867 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 105 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:07:52,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 83 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:07:52,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-10-11 20:07:52,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 69. [2024-10-11 20:07:52,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 60 states have (on average 1.2166666666666666) internal successors, (73), 68 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:52,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 73 transitions. [2024-10-11 20:07:52,871 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 73 transitions. Word has length 28 [2024-10-11 20:07:52,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:07:52,871 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 73 transitions. [2024-10-11 20:07:52,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:52,872 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 73 transitions. [2024-10-11 20:07:52,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-11 20:07:52,872 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:52,872 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-11 20:07:52,890 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-11 20:07:53,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-11 20:07:53,074 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:07:53,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:53,074 INFO L85 PathProgramCache]: Analyzing trace with hash -277388254, now seen corresponding path program 1 times [2024-10-11 20:07:53,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:53,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906214929] [2024-10-11 20:07:53,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:53,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:53,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:53,157 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-11 20:07:53,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:53,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906214929] [2024-10-11 20:07:53,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906214929] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:07:53,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254019532] [2024-10-11 20:07:53,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:53,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:07:53,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:07:53,160 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:07:53,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 20:07:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:53,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:07:53,254 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:07:53,294 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-11 20:07:53,294 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:07:53,349 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-11 20:07:53,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [254019532] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:07:53,350 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:07:53,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-11 20:07:53,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278169744] [2024-10-11 20:07:53,350 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:07:53,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:07:53,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:07:53,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:07:53,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:07:53,352 INFO L87 Difference]: Start difference. First operand 69 states and 73 transitions. Second operand has 12 states, 11 states have (on average 5.818181818181818) internal successors, (64), 12 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:53,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:07:53,497 INFO L93 Difference]: Finished difference Result 104 states and 112 transitions. [2024-10-11 20:07:53,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:07:53,497 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.818181818181818) internal successors, (64), 12 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2024-10-11 20:07:53,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:07:53,498 INFO L225 Difference]: With dead ends: 104 [2024-10-11 20:07:53,498 INFO L226 Difference]: Without dead ends: 103 [2024-10-11 20:07:53,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:07:53,499 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 18 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:07:53,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 125 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:07:53,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-10-11 20:07:53,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 101. [2024-10-11 20:07:53,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 92 states have (on average 1.1630434782608696) internal successors, (107), 100 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:53,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 107 transitions. [2024-10-11 20:07:53,504 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 107 transitions. Word has length 32 [2024-10-11 20:07:53,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:07:53,504 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 107 transitions. [2024-10-11 20:07:53,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.818181818181818) internal successors, (64), 12 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:53,504 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 107 transitions. [2024-10-11 20:07:53,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-11 20:07:53,505 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:53,505 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:07:53,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-11 20:07:53,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:07:53,706 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:07:53,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:53,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1651889785, now seen corresponding path program 2 times [2024-10-11 20:07:53,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:53,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632239543] [2024-10-11 20:07:53,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:53,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:53,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:53,813 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 20:07:53,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:53,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632239543] [2024-10-11 20:07:53,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632239543] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:07:53,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616875354] [2024-10-11 20:07:53,814 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:07:53,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:07:53,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:07:53,819 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:07:53,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-11 20:07:53,930 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:07:53,930 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:07:53,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:07:53,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:07:53,959 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 20:07:53,960 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:07:53,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616875354] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:07:53,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:07:53,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-10-11 20:07:53,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734640970] [2024-10-11 20:07:53,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:07:53,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:07:53,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:07:53,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:07:53,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:07:53,961 INFO L87 Difference]: Start difference. First operand 101 states and 107 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:54,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:07:54,051 INFO L93 Difference]: Finished difference Result 103 states and 109 transitions. [2024-10-11 20:07:54,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:07:54,051 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2024-10-11 20:07:54,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:07:54,052 INFO L225 Difference]: With dead ends: 103 [2024-10-11 20:07:54,052 INFO L226 Difference]: Without dead ends: 102 [2024-10-11 20:07:54,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:07:54,053 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 15 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:07:54,053 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 82 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:07:54,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-10-11 20:07:54,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 100. [2024-10-11 20:07:54,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 92 states have (on average 1.1521739130434783) internal successors, (106), 99 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:54,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 106 transitions. [2024-10-11 20:07:54,061 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 106 transitions. Word has length 39 [2024-10-11 20:07:54,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:07:54,061 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 106 transitions. [2024-10-11 20:07:54,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:54,061 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 106 transitions. [2024-10-11 20:07:54,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-11 20:07:54,062 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:54,062 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:07:54,081 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-11 20:07:54,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-11 20:07:54,264 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:07:54,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:54,265 INFO L85 PathProgramCache]: Analyzing trace with hash 331024318, now seen corresponding path program 1 times [2024-10-11 20:07:54,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:54,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694970407] [2024-10-11 20:07:54,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:54,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:54,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:54,349 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 20:07:54,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:54,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694970407] [2024-10-11 20:07:54,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694970407] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:07:54,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417981985] [2024-10-11 20:07:54,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:54,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:07:54,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:07:54,352 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:07:54,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-11 20:07:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:54,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:07:54,457 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:07:54,477 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 20:07:54,477 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:07:54,512 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 20:07:54,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417981985] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:07:54,512 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:07:54,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-11 20:07:54,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831190627] [2024-10-11 20:07:54,513 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:07:54,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:07:54,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:07:54,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:07:54,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:07:54,514 INFO L87 Difference]: Start difference. First operand 100 states and 106 transitions. Second operand has 12 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 12 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) [2024-10-11 20:07:54,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:07:54,622 INFO L93 Difference]: Finished difference Result 112 states and 123 transitions. [2024-10-11 20:07:54,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:07:54,623 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 12 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 40 [2024-10-11 20:07:54,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:07:54,624 INFO L225 Difference]: With dead ends: 112 [2024-10-11 20:07:54,624 INFO L226 Difference]: Without dead ends: 111 [2024-10-11 20:07:54,624 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:07:54,625 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 42 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:07:54,625 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 95 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:07:54,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-10-11 20:07:54,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 109. [2024-10-11 20:07:54,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 101 states have (on average 1.1683168316831682) internal successors, (118), 108 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:54,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 118 transitions. [2024-10-11 20:07:54,630 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 118 transitions. Word has length 40 [2024-10-11 20:07:54,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:07:54,630 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 118 transitions. [2024-10-11 20:07:54,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 12 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) [2024-10-11 20:07:54,631 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 118 transitions. [2024-10-11 20:07:54,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-11 20:07:54,631 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:54,632 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:07:54,649 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-11 20:07:54,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:07:54,832 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:07:54,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:54,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1669325030, now seen corresponding path program 1 times [2024-10-11 20:07:54,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:54,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585861497] [2024-10-11 20:07:54,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:54,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:54,895 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-11 20:07:54,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:54,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585861497] [2024-10-11 20:07:54,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585861497] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:07:54,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:07:54,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:07:54,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646741725] [2024-10-11 20:07:54,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:07:54,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:07:54,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:07:54,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:07:54,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:07:54,897 INFO L87 Difference]: Start difference. First operand 109 states and 118 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 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) [2024-10-11 20:07:54,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:07:54,965 INFO L93 Difference]: Finished difference Result 115 states and 124 transitions. [2024-10-11 20:07:54,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:07:54,966 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 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 41 [2024-10-11 20:07:54,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:07:54,967 INFO L225 Difference]: With dead ends: 115 [2024-10-11 20:07:54,967 INFO L226 Difference]: Without dead ends: 113 [2024-10-11 20:07:54,967 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:07:54,967 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 15 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:07:54,968 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 61 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:07:54,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-10-11 20:07:54,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 111. [2024-10-11 20:07:54,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 103 states have (on average 1.1650485436893203) internal successors, (120), 110 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:54,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 120 transitions. [2024-10-11 20:07:54,972 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 120 transitions. Word has length 41 [2024-10-11 20:07:54,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:07:54,972 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 120 transitions. [2024-10-11 20:07:54,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 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) [2024-10-11 20:07:54,972 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 120 transitions. [2024-10-11 20:07:54,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-11 20:07:54,973 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:54,973 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:07:54,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-11 20:07:54,973 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:07:54,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:54,973 INFO L85 PathProgramCache]: Analyzing trace with hash -564231722, now seen corresponding path program 1 times [2024-10-11 20:07:54,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:54,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390448077] [2024-10-11 20:07:54,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:54,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:54,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:55,084 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-11 20:07:55,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:55,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390448077] [2024-10-11 20:07:55,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390448077] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:07:55,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [698080275] [2024-10-11 20:07:55,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:55,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:07:55,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:07:55,087 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:07:55,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-11 20:07:55,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:55,200 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:07:55,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:07:55,290 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-11 20:07:55,291 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:07:55,366 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-11 20:07:55,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [698080275] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:07:55,367 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:07:55,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-10-11 20:07:55,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127546906] [2024-10-11 20:07:55,367 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:07:55,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:07:55,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:07:55,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:07:55,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:07:55,368 INFO L87 Difference]: Start difference. First operand 111 states and 120 transitions. Second operand has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:55,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:07:55,503 INFO L93 Difference]: Finished difference Result 141 states and 151 transitions. [2024-10-11 20:07:55,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:07:55,503 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2024-10-11 20:07:55,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:07:55,504 INFO L225 Difference]: With dead ends: 141 [2024-10-11 20:07:55,504 INFO L226 Difference]: Without dead ends: 113 [2024-10-11 20:07:55,505 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 80 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:07:55,505 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 54 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:07:55,505 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 89 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:07:55,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-10-11 20:07:55,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 111. [2024-10-11 20:07:55,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 103 states have (on average 1.1553398058252426) internal successors, (119), 110 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:55,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 119 transitions. [2024-10-11 20:07:55,510 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 119 transitions. Word has length 44 [2024-10-11 20:07:55,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:07:55,510 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 119 transitions. [2024-10-11 20:07:55,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:55,511 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 119 transitions. [2024-10-11 20:07:55,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-11 20:07:55,511 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:55,511 INFO L215 NwaCegarLoop]: trace histogram [2, 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] [2024-10-11 20:07:55,529 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-11 20:07:55,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-11 20:07:55,716 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:07:55,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:55,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1980370195, now seen corresponding path program 2 times [2024-10-11 20:07:55,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:55,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992387264] [2024-10-11 20:07:55,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:55,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:55,818 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-11 20:07:55,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:55,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992387264] [2024-10-11 20:07:55,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992387264] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:07:55,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1940859001] [2024-10-11 20:07:55,818 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:07:55,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:07:55,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:07:55,820 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:07:55,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-11 20:07:55,938 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:07:55,938 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:07:55,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:07:55,941 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:07:55,971 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-11 20:07:55,972 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:07:55,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1940859001] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:07:55,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:07:55,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-10-11 20:07:55,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576754160] [2024-10-11 20:07:55,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:07:55,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:07:55,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:07:55,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:07:55,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:07:55,973 INFO L87 Difference]: Start difference. First operand 111 states and 119 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:56,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:07:56,042 INFO L93 Difference]: Finished difference Result 113 states and 121 transitions. [2024-10-11 20:07:56,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:07:56,043 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2024-10-11 20:07:56,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:07:56,043 INFO L225 Difference]: With dead ends: 113 [2024-10-11 20:07:56,044 INFO L226 Difference]: Without dead ends: 112 [2024-10-11 20:07:56,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:07:56,044 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 15 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:07:56,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 55 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:07:56,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-10-11 20:07:56,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 110. [2024-10-11 20:07:56,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 103 states have (on average 1.145631067961165) internal successors, (118), 109 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:56,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 118 transitions. [2024-10-11 20:07:56,048 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 118 transitions. Word has length 47 [2024-10-11 20:07:56,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:07:56,048 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 118 transitions. [2024-10-11 20:07:56,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:56,049 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 118 transitions. [2024-10-11 20:07:56,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-11 20:07:56,049 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:56,049 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 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] [2024-10-11 20:07:56,067 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-11 20:07:56,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:07:56,250 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:07:56,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:56,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1261933782, now seen corresponding path program 1 times [2024-10-11 20:07:56,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:56,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300906040] [2024-10-11 20:07:56,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:56,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:56,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:56,365 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-11 20:07:56,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:56,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300906040] [2024-10-11 20:07:56,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300906040] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:07:56,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500581955] [2024-10-11 20:07:56,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:56,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:07:56,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:07:56,368 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:07:56,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-11 20:07:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:56,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:07:56,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:07:56,508 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-11 20:07:56,509 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:07:56,544 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-11 20:07:56,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1500581955] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:07:56,545 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:07:56,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-11 20:07:56,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983895154] [2024-10-11 20:07:56,545 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:07:56,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:07:56,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:07:56,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:07:56,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:07:56,547 INFO L87 Difference]: Start difference. First operand 110 states and 118 transitions. Second operand has 12 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 12 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:56,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:07:56,662 INFO L93 Difference]: Finished difference Result 122 states and 135 transitions. [2024-10-11 20:07:56,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:07:56,662 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 12 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2024-10-11 20:07:56,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:07:56,663 INFO L225 Difference]: With dead ends: 122 [2024-10-11 20:07:56,663 INFO L226 Difference]: Without dead ends: 121 [2024-10-11 20:07:56,664 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:07:56,664 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 28 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:07:56,665 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 113 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:07:56,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-10-11 20:07:56,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 119. [2024-10-11 20:07:56,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 112 states have (on average 1.1607142857142858) internal successors, (130), 118 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:56,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 130 transitions. [2024-10-11 20:07:56,669 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 130 transitions. Word has length 48 [2024-10-11 20:07:56,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:07:56,669 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 130 transitions. [2024-10-11 20:07:56,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 12 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:56,670 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 130 transitions. [2024-10-11 20:07:56,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-10-11 20:07:56,670 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:56,670 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:07:56,689 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-11 20:07:56,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:07:56,871 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:07:56,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:56,872 INFO L85 PathProgramCache]: Analyzing trace with hash 19313589, now seen corresponding path program 2 times [2024-10-11 20:07:56,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:56,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019109925] [2024-10-11 20:07:56,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:56,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:56,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:57,026 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-10-11 20:07:57,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:57,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019109925] [2024-10-11 20:07:57,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019109925] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:07:57,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1656388658] [2024-10-11 20:07:57,027 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:07:57,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:07:57,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:07:57,029 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:07:57,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-11 20:07:57,141 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-11 20:07:57,141 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:07:57,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:07:57,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:07:57,217 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:07:57,217 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:07:57,280 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:07:57,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1656388658] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:07:57,280 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:07:57,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 2, 2] total 10 [2024-10-11 20:07:57,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663203275] [2024-10-11 20:07:57,281 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:07:57,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:07:57,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:07:57,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:07:57,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:07:57,282 INFO L87 Difference]: Start difference. First operand 119 states and 130 transitions. Second operand has 11 states, 10 states have (on average 5.5) internal successors, (55), 11 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:57,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:07:57,557 INFO L93 Difference]: Finished difference Result 235 states and 258 transitions. [2024-10-11 20:07:57,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 20:07:57,558 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.5) internal successors, (55), 11 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2024-10-11 20:07:57,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:07:57,559 INFO L225 Difference]: With dead ends: 235 [2024-10-11 20:07:57,559 INFO L226 Difference]: Without dead ends: 234 [2024-10-11 20:07:57,559 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 94 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=98, Invalid=364, Unknown=0, NotChecked=0, Total=462 [2024-10-11 20:07:57,560 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 142 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:07:57,560 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 106 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:07:57,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-10-11 20:07:57,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 110. [2024-10-11 20:07:57,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 104 states have (on average 1.1442307692307692) internal successors, (119), 109 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:57,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 119 transitions. [2024-10-11 20:07:57,574 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 119 transitions. Word has length 49 [2024-10-11 20:07:57,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:07:57,575 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 119 transitions. [2024-10-11 20:07:57,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.5) internal successors, (55), 11 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:57,575 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 119 transitions. [2024-10-11 20:07:57,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-11 20:07:57,580 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:57,580 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 20:07:57,598 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-11 20:07:57,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,14 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:07:57,785 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:07:57,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:57,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1103849780, now seen corresponding path program 1 times [2024-10-11 20:07:57,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:57,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296445772] [2024-10-11 20:07:57,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:57,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:57,898 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 20:07:57,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:57,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296445772] [2024-10-11 20:07:57,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296445772] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:07:57,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:07:57,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:07:57,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725148750] [2024-10-11 20:07:57,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:07:57,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:07:57,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:07:57,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:07:57,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:07:57,900 INFO L87 Difference]: Start difference. First operand 110 states and 119 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:57,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:07:57,968 INFO L93 Difference]: Finished difference Result 116 states and 125 transitions. [2024-10-11 20:07:57,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:07:57,970 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-10-11 20:07:57,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:07:57,970 INFO L225 Difference]: With dead ends: 116 [2024-10-11 20:07:57,970 INFO L226 Difference]: Without dead ends: 114 [2024-10-11 20:07:57,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:07:57,971 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 9 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:07:57,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 55 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:07:57,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-10-11 20:07:57,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-10-11 20:07:57,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 108 states have (on average 1.1388888888888888) internal successors, (123), 113 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:57,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 123 transitions. [2024-10-11 20:07:57,976 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 123 transitions. Word has length 55 [2024-10-11 20:07:57,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:07:57,977 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 123 transitions. [2024-10-11 20:07:57,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:57,977 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 123 transitions. [2024-10-11 20:07:57,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-10-11 20:07:57,977 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:57,978 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 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] [2024-10-11 20:07:57,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-11 20:07:57,978 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:07:57,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:57,979 INFO L85 PathProgramCache]: Analyzing trace with hash 629557416, now seen corresponding path program 2 times [2024-10-11 20:07:57,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:57,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143793142] [2024-10-11 20:07:57,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:57,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:58,133 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:07:58,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:58,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143793142] [2024-10-11 20:07:58,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143793142] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:07:58,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407759603] [2024-10-11 20:07:58,134 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:07:58,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:07:58,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:07:58,136 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:07:58,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-11 20:07:58,253 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-11 20:07:58,254 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:07:58,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:07:58,256 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:07:58,334 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-11 20:07:58,334 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:07:58,402 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-11 20:07:58,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [407759603] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:07:58,402 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:07:58,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 2, 2] total 10 [2024-10-11 20:07:58,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720159676] [2024-10-11 20:07:58,402 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:07:58,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:07:58,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:07:58,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:07:58,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:07:58,403 INFO L87 Difference]: Start difference. First operand 114 states and 123 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:58,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:07:58,657 INFO L93 Difference]: Finished difference Result 221 states and 240 transitions. [2024-10-11 20:07:58,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 20:07:58,657 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 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 [2024-10-11 20:07:58,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:07:58,658 INFO L225 Difference]: With dead ends: 221 [2024-10-11 20:07:58,658 INFO L226 Difference]: Without dead ends: 220 [2024-10-11 20:07:58,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 110 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=98, Invalid=364, Unknown=0, NotChecked=0, Total=462 [2024-10-11 20:07:58,659 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 114 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:07:58,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 85 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:07:58,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-10-11 20:07:58,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 102. [2024-10-11 20:07:58,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 97 states have (on average 1.1134020618556701) internal successors, (108), 101 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:58,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 108 transitions. [2024-10-11 20:07:58,664 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 108 transitions. Word has length 57 [2024-10-11 20:07:58,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:07:58,665 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 108 transitions. [2024-10-11 20:07:58,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:58,665 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 108 transitions. [2024-10-11 20:07:58,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-11 20:07:58,665 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:58,665 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 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] [2024-10-11 20:07:58,682 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-11 20:07:58,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-10-11 20:07:58,870 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:07:58,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:58,870 INFO L85 PathProgramCache]: Analyzing trace with hash -780323051, now seen corresponding path program 1 times [2024-10-11 20:07:58,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:58,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717085846] [2024-10-11 20:07:58,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:58,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:58,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:58,978 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-11 20:07:58,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:58,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717085846] [2024-10-11 20:07:58,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717085846] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:07:58,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1343306366] [2024-10-11 20:07:58,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:58,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:07:58,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:07:58,981 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:07:58,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-11 20:07:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:59,110 INFO L255 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:07:59,111 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:07:59,191 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-11 20:07:59,191 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:07:59,266 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-11 20:07:59,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1343306366] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:07:59,267 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:07:59,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-10-11 20:07:59,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539522806] [2024-10-11 20:07:59,267 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:07:59,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:07:59,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:07:59,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:07:59,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:07:59,268 INFO L87 Difference]: Start difference. First operand 102 states and 108 transitions. Second operand has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:59,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:07:59,378 INFO L93 Difference]: Finished difference Result 128 states and 135 transitions. [2024-10-11 20:07:59,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:07:59,379 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2024-10-11 20:07:59,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:07:59,379 INFO L225 Difference]: With dead ends: 128 [2024-10-11 20:07:59,379 INFO L226 Difference]: Without dead ends: 105 [2024-10-11 20:07:59,380 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 110 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:07:59,380 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 60 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:07:59,380 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 65 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:07:59,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-10-11 20:07:59,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2024-10-11 20:07:59,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 100 states have (on average 1.11) internal successors, (111), 104 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:59,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 111 transitions. [2024-10-11 20:07:59,385 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 111 transitions. Word has length 59 [2024-10-11 20:07:59,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:07:59,386 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 111 transitions. [2024-10-11 20:07:59,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:59,386 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 111 transitions. [2024-10-11 20:07:59,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-11 20:07:59,386 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:59,386 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2024-10-11 20:07:59,403 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-10-11 20:07:59,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-10-11 20:07:59,587 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:07:59,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:59,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1478651799, now seen corresponding path program 2 times [2024-10-11 20:07:59,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:59,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930845024] [2024-10-11 20:07:59,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:59,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:59,773 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-11 20:07:59,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:59,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930845024] [2024-10-11 20:07:59,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930845024] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:07:59,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624954222] [2024-10-11 20:07:59,774 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:07:59,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:07:59,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:07:59,776 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:07:59,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-11 20:07:59,918 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:07:59,918 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:07:59,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:07:59,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:08:00,028 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-11 20:08:00,028 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:08:00,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1624954222] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:08:00,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:08:00,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 14 [2024-10-11 20:08:00,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762454495] [2024-10-11 20:08:00,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:08:00,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:08:00,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:00,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:08:00,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-10-11 20:08:00,029 INFO L87 Difference]: Start difference. First operand 105 states and 111 transitions. Second operand has 6 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:00,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:00,111 INFO L93 Difference]: Finished difference Result 105 states and 111 transitions. [2024-10-11 20:08:00,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:08:00,111 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2024-10-11 20:08:00,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:00,112 INFO L225 Difference]: With dead ends: 105 [2024-10-11 20:08:00,112 INFO L226 Difference]: Without dead ends: 102 [2024-10-11 20:08:00,113 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-10-11 20:08:00,113 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 14 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:00,113 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 36 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:08:00,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-10-11 20:08:00,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2024-10-11 20:08:00,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 100 states have (on average 1.08) internal successors, (108), 101 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:00,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 108 transitions. [2024-10-11 20:08:00,123 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 108 transitions. Word has length 62 [2024-10-11 20:08:00,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:00,123 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 108 transitions. [2024-10-11 20:08:00,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:00,123 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 108 transitions. [2024-10-11 20:08:00,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-10-11 20:08:00,124 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:00,124 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-11 20:08:00,144 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-11 20:08:00,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-10-11 20:08:00,325 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:08:00,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:00,325 INFO L85 PathProgramCache]: Analyzing trace with hash -2033697535, now seen corresponding path program 2 times [2024-10-11 20:08:00,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:00,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547741588] [2024-10-11 20:08:00,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:00,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:00,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:00,599 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 76 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:08:00,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:00,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547741588] [2024-10-11 20:08:00,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547741588] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:08:00,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840567941] [2024-10-11 20:08:00,600 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:08:00,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:00,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:08:00,602 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:08:00,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-11 20:08:00,720 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-11 20:08:00,721 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:08:00,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:08:00,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:08:00,825 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-10-11 20:08:00,825 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:08:00,913 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-10-11 20:08:00,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840567941] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:08:00,913 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:08:00,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 3, 3] total 20 [2024-10-11 20:08:00,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442813038] [2024-10-11 20:08:00,914 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:08:00,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-11 20:08:00,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:00,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-11 20:08:00,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2024-10-11 20:08:00,915 INFO L87 Difference]: Start difference. First operand 102 states and 108 transitions. Second operand has 20 states, 20 states have (on average 4.7) internal successors, (94), 20 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:01,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:01,181 INFO L93 Difference]: Finished difference Result 233 states and 248 transitions. [2024-10-11 20:08:01,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-11 20:08:01,182 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 4.7) internal successors, (94), 20 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-10-11 20:08:01,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:01,183 INFO L225 Difference]: With dead ends: 233 [2024-10-11 20:08:01,183 INFO L226 Difference]: Without dead ends: 164 [2024-10-11 20:08:01,184 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 125 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=146, Invalid=784, Unknown=0, NotChecked=0, Total=930 [2024-10-11 20:08:01,184 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 163 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:01,184 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 94 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:08:01,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-10-11 20:08:01,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 96. [2024-10-11 20:08:01,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 95 states have (on average 1.063157894736842) internal successors, (101), 95 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:01,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 101 transitions. [2024-10-11 20:08:01,191 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 101 transitions. Word has length 65 [2024-10-11 20:08:01,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:01,191 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 101 transitions. [2024-10-11 20:08:01,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 4.7) internal successors, (94), 20 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:01,192 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 101 transitions. [2024-10-11 20:08:01,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-11 20:08:01,192 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:01,192 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-11 20:08:01,210 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-10-11 20:08:01,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,18 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:01,393 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:08:01,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:01,394 INFO L85 PathProgramCache]: Analyzing trace with hash 802471318, now seen corresponding path program 1 times [2024-10-11 20:08:01,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:01,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002845168] [2024-10-11 20:08:01,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:01,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:01,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:01,488 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-11 20:08:01,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:01,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002845168] [2024-10-11 20:08:01,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002845168] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:08:01,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759472754] [2024-10-11 20:08:01,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:01,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:01,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:08:01,491 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:08:01,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-11 20:08:01,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:01,662 INFO L255 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:08:01,663 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:08:01,695 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-11 20:08:01,695 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:08:01,744 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-11 20:08:01,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [759472754] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:08:01,745 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:08:01,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-11 20:08:01,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840691611] [2024-10-11 20:08:01,745 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:08:01,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:08:01,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:01,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:08:01,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:08:01,747 INFO L87 Difference]: Start difference. First operand 96 states and 101 transitions. Second operand has 12 states, 11 states have (on average 7.0) internal successors, (77), 12 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:01,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:01,873 INFO L93 Difference]: Finished difference Result 124 states and 131 transitions. [2024-10-11 20:08:01,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:08:01,873 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 12 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-10-11 20:08:01,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:01,874 INFO L225 Difference]: With dead ends: 124 [2024-10-11 20:08:01,874 INFO L226 Difference]: Without dead ends: 123 [2024-10-11 20:08:01,875 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:08:01,875 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 16 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:01,875 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 79 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:08:01,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-10-11 20:08:01,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-10-11 20:08:01,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 122 states have (on average 1.0491803278688525) internal successors, (128), 122 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:01,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 128 transitions. [2024-10-11 20:08:01,882 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 128 transitions. Word has length 68 [2024-10-11 20:08:01,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:01,883 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 128 transitions. [2024-10-11 20:08:01,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 12 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:01,883 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 128 transitions. [2024-10-11 20:08:01,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-11 20:08:01,884 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:01,884 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 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] [2024-10-11 20:08:01,905 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-11 20:08:02,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-11 20:08:02,085 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-11 20:08:02,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:02,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1701553138, now seen corresponding path program 2 times [2024-10-11 20:08:02,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:02,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936909643] [2024-10-11 20:08:02,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:02,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:02,244 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-10-11 20:08:02,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:02,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936909643] [2024-10-11 20:08:02,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936909643] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:08:02,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1368669011] [2024-10-11 20:08:02,244 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:08:02,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:02,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:08:02,246 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:08:02,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-11 20:08:02,387 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-11 20:08:02,387 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:08:02,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:08:02,389 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:08:02,511 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-10-11 20:08:02,511 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:08:02,613 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-10-11 20:08:02,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1368669011] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:08:02,613 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:08:02,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 3, 3] total 11 [2024-10-11 20:08:02,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168195160] [2024-10-11 20:08:02,614 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:08:02,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:08:02,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:02,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:08:02,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:08:02,615 INFO L87 Difference]: Start difference. First operand 123 states and 128 transitions. Second operand has 12 states, 11 states have (on average 9.0) internal successors, (99), 12 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:02,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:02,843 INFO L93 Difference]: Finished difference Result 185 states and 193 transitions. [2024-10-11 20:08:02,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-11 20:08:02,844 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.0) internal successors, (99), 12 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2024-10-11 20:08:02,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:02,845 INFO L225 Difference]: With dead ends: 185 [2024-10-11 20:08:02,845 INFO L226 Difference]: Without dead ends: 0 [2024-10-11 20:08:02,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 185 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=119, Invalid=433, Unknown=0, NotChecked=0, Total=552 [2024-10-11 20:08:02,846 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 55 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:02,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 56 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:08:02,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-11 20:08:02,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-11 20:08:02,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:02,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-11 20:08:02,847 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 95 [2024-10-11 20:08:02,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:02,847 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-11 20:08:02,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.0) internal successors, (99), 12 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:02,847 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-11 20:08:02,847 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-11 20:08:02,850 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 22 remaining) [2024-10-11 20:08:02,851 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 22 remaining) [2024-10-11 20:08:02,851 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 22 remaining) [2024-10-11 20:08:02,851 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 22 remaining) [2024-10-11 20:08:02,851 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 22 remaining) [2024-10-11 20:08:02,851 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 22 remaining) [2024-10-11 20:08:02,852 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 22 remaining) [2024-10-11 20:08:02,852 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 22 remaining) [2024-10-11 20:08:02,852 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 22 remaining) [2024-10-11 20:08:02,852 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 22 remaining) [2024-10-11 20:08:02,852 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 22 remaining) [2024-10-11 20:08:02,852 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 22 remaining) [2024-10-11 20:08:02,852 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 22 remaining) [2024-10-11 20:08:02,852 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 22 remaining) [2024-10-11 20:08:02,852 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 22 remaining) [2024-10-11 20:08:02,852 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 22 remaining) [2024-10-11 20:08:02,852 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 22 remaining) [2024-10-11 20:08:02,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 22 remaining) [2024-10-11 20:08:02,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 22 remaining) [2024-10-11 20:08:02,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 22 remaining) [2024-10-11 20:08:02,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 22 remaining) [2024-10-11 20:08:02,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 22 remaining) [2024-10-11 20:08:02,867 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-10-11 20:08:03,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,20 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:03,056 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:08:03,058 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-11 20:08:03,469 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 20:08:03,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 08:08:03 BoogieIcfgContainer [2024-10-11 20:08:03,488 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 20:08:03,489 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 20:08:03,489 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 20:08:03,490 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 20:08:03,490 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:07:47" (3/4) ... [2024-10-11 20:08:03,492 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 20:08:03,502 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-10-11 20:08:03,503 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-11 20:08:03,503 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 20:08:03,503 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 20:08:03,626 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 20:08:03,627 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 20:08:03,627 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 20:08:03,628 INFO L158 Benchmark]: Toolchain (without parser) took 17256.75ms. Allocated memory was 151.0MB in the beginning and 213.9MB in the end (delta: 62.9MB). Free memory was 99.0MB in the beginning and 148.2MB in the end (delta: -49.2MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2024-10-11 20:08:03,628 INFO L158 Benchmark]: CDTParser took 0.96ms. Allocated memory is still 151.0MB. Free memory is still 110.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 20:08:03,628 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.55ms. Allocated memory is still 151.0MB. Free memory was 98.7MB in the beginning and 85.8MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-11 20:08:03,628 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.48ms. Allocated memory is still 151.0MB. Free memory was 85.8MB in the beginning and 84.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 20:08:03,628 INFO L158 Benchmark]: Boogie Preprocessor took 51.21ms. Allocated memory is still 151.0MB. Free memory was 84.1MB in the beginning and 81.6MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 20:08:03,629 INFO L158 Benchmark]: RCFGBuilder took 472.33ms. Allocated memory is still 151.0MB. Free memory was 81.6MB in the beginning and 120.1MB in the end (delta: -38.5MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2024-10-11 20:08:03,629 INFO L158 Benchmark]: TraceAbstraction took 16280.30ms. Allocated memory was 151.0MB in the beginning and 213.9MB in the end (delta: 62.9MB). Free memory was 119.4MB in the beginning and 153.5MB in the end (delta: -34.1MB). Peak memory consumption was 124.1MB. Max. memory is 16.1GB. [2024-10-11 20:08:03,629 INFO L158 Benchmark]: Witness Printer took 137.77ms. Allocated memory is still 213.9MB. Free memory was 153.5MB in the beginning and 148.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 20:08:03,633 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.96ms. Allocated memory is still 151.0MB. Free memory is still 110.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.55ms. Allocated memory is still 151.0MB. Free memory was 98.7MB in the beginning and 85.8MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.48ms. Allocated memory is still 151.0MB. Free memory was 85.8MB in the beginning and 84.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.21ms. Allocated memory is still 151.0MB. Free memory was 84.1MB in the beginning and 81.6MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 472.33ms. Allocated memory is still 151.0MB. Free memory was 81.6MB in the beginning and 120.1MB in the end (delta: -38.5MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * TraceAbstraction took 16280.30ms. Allocated memory was 151.0MB in the beginning and 213.9MB in the end (delta: 62.9MB). Free memory was 119.4MB in the beginning and 153.5MB in the end (delta: -34.1MB). Peak memory consumption was 124.1MB. Max. memory is 16.1GB. * Witness Printer took 137.77ms. Allocated memory is still 213.9MB. Free memory was 153.5MB in the beginning and 148.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 15.8s, OverallIterations: 28, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1249 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1249 mSDsluCounter, 2142 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1492 mSDsCounter, 236 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4027 IncrementalHoareTripleChecker+Invalid, 4263 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 236 mSolverCounterUnsat, 650 mSDtfsCounter, 4027 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1629 GetRequests, 1348 SyntacticMatches, 17 SemanticMatches, 264 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 931 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=123occurred in iteration=27, InterpolantAutomatonStates: 214, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 28 MinimizatonAttempts, 416 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 1798 NumberOfCodeBlocks, 1574 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 2368 ConstructedInterpolants, 0 QuantifiedInterpolants, 5996 SizeOfPredicates, 10 NumberOfNonLiveVariables, 3038 ConjunctsInSsa, 88 ConjunctsInUnsatCore, 61 InterpolantComputations, 14 PerfectInterpolantSequences, 1361/1806 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 22 specifications checked. All of them hold - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: (((2 <= SIZE) && (0 <= (i + 2147483648))) && (SIZE <= 2147483647)) - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: ((((i == 0) && (2 <= SIZE)) && (SIZE <= 2147483647)) || (((1 <= i) && (2 <= SIZE)) && (SIZE <= 2147483647))) - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: ((((i == 0) && (2 <= SIZE)) && (SIZE <= 2147483647)) || (((1 <= i) && (2 <= SIZE)) && (SIZE <= 2147483647))) - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: (((2 <= SIZE) && (0 <= (i + 2147483648))) && (SIZE <= 2147483647)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((i == 0) && (2 <= SIZE)) && (SIZE <= 2147483647)) || (((1 <= i) && (2 <= SIZE)) && (SIZE <= 2147483647))) RESULT: Ultimate proved your program to be correct! [2024-10-11 20:08:03,671 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE