./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 23:17:04,592 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 23:17:04,676 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-24 23:17:04,680 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 23:17:04,681 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 23:17:04,707 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 23:17:04,708 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 23:17:04,708 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 23:17:04,708 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 23:17:04,708 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 23:17:04,708 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 23:17:04,709 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 23:17:04,709 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 23:17:04,709 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 23:17:04,709 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 23:17:04,710 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 23:17:04,710 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 23:17:04,712 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 23:17:04,712 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 23:17:04,713 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 23:17:04,713 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 23:17:04,716 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 23:17:04,716 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 23:17:04,717 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 23:17:04,717 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 23:17:04,717 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 23:17:04,717 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 23:17:04,717 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 23:17:04,717 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 23:17:04,718 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 23:17:04,718 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 23:17:04,718 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 23:17:04,718 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 23:17:04,718 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 23:17:04,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 23:17:04,718 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 23:17:04,718 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 23:17:04,719 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 23:17:04,719 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 23:17:04,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 23:17:04,719 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 23:17:04,719 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 23:17:04,720 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 23:17:04,720 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 23:17:04,720 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f [2024-10-24 23:17:04,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 23:17:04,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 23:17:04,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 23:17:04,951 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 23:17:04,951 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 23:17:04,952 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-1.i [2024-10-24 23:17:06,181 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 23:17:06,433 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 23:17:06,433 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-1.i [2024-10-24 23:17:06,451 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aca0cf3b6/ad87640d37504c0eb7dce63008076b33/FLAG3eaa757eb [2024-10-24 23:17:06,742 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aca0cf3b6/ad87640d37504c0eb7dce63008076b33 [2024-10-24 23:17:06,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 23:17:06,745 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 23:17:06,746 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 23:17:06,747 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 23:17:06,751 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 23:17:06,751 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:17:06" (1/1) ... [2024-10-24 23:17:06,752 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a03db09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:17:06, skipping insertion in model container [2024-10-24 23:17:06,752 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:17:06" (1/1) ... [2024-10-24 23:17:06,788 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 23:17:07,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 23:17:07,144 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 23:17:07,244 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 23:17:07,285 INFO L204 MainTranslator]: Completed translation [2024-10-24 23:17:07,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:17:07 WrapperNode [2024-10-24 23:17:07,286 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 23:17:07,287 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 23:17:07,289 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 23:17:07,289 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 23:17:07,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:17:07" (1/1) ... [2024-10-24 23:17:07,320 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:17:07" (1/1) ... [2024-10-24 23:17:07,406 INFO L138 Inliner]: procedures = 176, calls = 326, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1555 [2024-10-24 23:17:07,410 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 23:17:07,411 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 23:17:07,411 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 23:17:07,411 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 23:17:07,436 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:17:07" (1/1) ... [2024-10-24 23:17:07,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:17:07" (1/1) ... [2024-10-24 23:17:07,450 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:17:07" (1/1) ... [2024-10-24 23:17:07,522 INFO L175 MemorySlicer]: Split 309 memory accesses to 2 slices as follows [2, 307]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 82 writes are split as follows [0, 82]. [2024-10-24 23:17:07,523 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:17:07" (1/1) ... [2024-10-24 23:17:07,523 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:17:07" (1/1) ... [2024-10-24 23:17:07,558 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:17:07" (1/1) ... [2024-10-24 23:17:07,569 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:17:07" (1/1) ... [2024-10-24 23:17:07,576 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:17:07" (1/1) ... [2024-10-24 23:17:07,584 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:17:07" (1/1) ... [2024-10-24 23:17:07,595 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 23:17:07,596 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 23:17:07,596 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 23:17:07,596 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 23:17:07,597 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:17:07" (1/1) ... [2024-10-24 23:17:07,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 23:17:07,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:17:07,619 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 23:17:07,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 23:17:07,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 23:17:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 23:17:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 23:17:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 23:17:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-24 23:17:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-24 23:17:07,652 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-24 23:17:07,652 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-24 23:17:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 23:17:07,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 23:17:07,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 23:17:07,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 23:17:07,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 23:17:07,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 23:17:07,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 23:17:07,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 23:17:07,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 23:17:07,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 23:17:07,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 23:17:07,829 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 23:17:07,831 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 23:17:08,978 INFO L? ?]: Removed 381 outVars from TransFormulas that were not future-live. [2024-10-24 23:17:08,979 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 23:17:09,018 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 23:17:09,021 INFO L314 CfgBuilder]: Removed 60 assume(true) statements. [2024-10-24 23:17:09,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:17:09 BoogieIcfgContainer [2024-10-24 23:17:09,022 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 23:17:09,023 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 23:17:09,024 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 23:17:09,026 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 23:17:09,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:17:06" (1/3) ... [2024-10-24 23:17:09,028 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@441b5fca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:17:09, skipping insertion in model container [2024-10-24 23:17:09,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:17:07" (2/3) ... [2024-10-24 23:17:09,028 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@441b5fca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:17:09, skipping insertion in model container [2024-10-24 23:17:09,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:17:09" (3/3) ... [2024-10-24 23:17:09,031 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_nondet_test4-1.i [2024-10-24 23:17:09,088 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 23:17:09,088 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-24 23:17:09,150 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 23:17:09,156 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;@47f42a0e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 23:17:09,156 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-24 23:17:09,162 INFO L276 IsEmpty]: Start isEmpty. Operand has 408 states, 396 states have (on average 1.621212121212121) internal successors, (642), 400 states have internal predecessors, (642), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-24 23:17:09,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-24 23:17:09,166 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:17:09,167 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-24 23:17:09,167 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-24 23:17:09,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:17:09,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1988383281, now seen corresponding path program 1 times [2024-10-24 23:17:09,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:17:09,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270165452] [2024-10-24 23:17:09,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:17:09,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:17:09,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:09,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:17:09,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:17:09,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270165452] [2024-10-24 23:17:09,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270165452] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:17:09,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:17:09,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:17:09,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555217967] [2024-10-24 23:17:09,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:17:09,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 23:17:09,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:17:09,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 23:17:09,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 23:17:09,333 INFO L87 Difference]: Start difference. First operand has 408 states, 396 states have (on average 1.621212121212121) internal successors, (642), 400 states have internal predecessors, (642), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:17:09,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:17:09,395 INFO L93 Difference]: Finished difference Result 812 states and 1304 transitions. [2024-10-24 23:17:09,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 23:17:09,397 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-24 23:17:09,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:17:09,405 INFO L225 Difference]: With dead ends: 812 [2024-10-24 23:17:09,405 INFO L226 Difference]: Without dead ends: 396 [2024-10-24 23:17:09,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 23:17:09,411 INFO L432 NwaCegarLoop]: 579 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 23:17:09,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 579 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 23:17:09,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-10-24 23:17:09,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 396. [2024-10-24 23:17:09,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 386 states have (on average 1.4455958549222798) internal successors, (558), 388 states have internal predecessors, (558), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-24 23:17:09,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 570 transitions. [2024-10-24 23:17:09,457 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 570 transitions. Word has length 6 [2024-10-24 23:17:09,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:17:09,457 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 570 transitions. [2024-10-24 23:17:09,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:17:09,457 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 570 transitions. [2024-10-24 23:17:09,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-24 23:17:09,458 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:17:09,458 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:17:09,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 23:17:09,458 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-24 23:17:09,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:17:09,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1510279913, now seen corresponding path program 1 times [2024-10-24 23:17:09,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:17:09,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373169014] [2024-10-24 23:17:09,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:17:09,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:17:09,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 23:17:09,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1195439744] [2024-10-24 23:17:09,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:17:09,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:17:09,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:17:09,488 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 23:17:09,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 23:17:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:09,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 23:17:09,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:17:09,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:17:09,641 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:17:09,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:17:09,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373169014] [2024-10-24 23:17:09,642 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 23:17:09,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195439744] [2024-10-24 23:17:09,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195439744] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:17:09,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:17:09,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:17:09,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54329998] [2024-10-24 23:17:09,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:17:09,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 23:17:09,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:17:09,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 23:17:09,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 23:17:09,646 INFO L87 Difference]: Start difference. First operand 396 states and 570 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:17:09,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:17:09,712 INFO L93 Difference]: Finished difference Result 783 states and 1131 transitions. [2024-10-24 23:17:09,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 23:17:09,712 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-24 23:17:09,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:17:09,716 INFO L225 Difference]: With dead ends: 783 [2024-10-24 23:17:09,716 INFO L226 Difference]: Without dead ends: 782 [2024-10-24 23:17:09,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 23:17:09,720 INFO L432 NwaCegarLoop]: 610 mSDtfsCounter, 543 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 1170 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 23:17:09,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 1170 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 23:17:09,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2024-10-24 23:17:09,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 401. [2024-10-24 23:17:09,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 391 states have (on average 1.4398976982097187) internal successors, (563), 393 states have internal predecessors, (563), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-24 23:17:09,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 575 transitions. [2024-10-24 23:17:09,754 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 575 transitions. Word has length 7 [2024-10-24 23:17:09,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:17:09,754 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 575 transitions. [2024-10-24 23:17:09,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:17:09,755 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 575 transitions. [2024-10-24 23:17:09,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-10-24 23:17:09,765 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:17:09,765 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:17:09,777 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 23:17:09,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:17:09,971 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-24 23:17:09,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:17:09,972 INFO L85 PathProgramCache]: Analyzing trace with hash -524469715, now seen corresponding path program 1 times [2024-10-24 23:17:09,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:17:09,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195359918] [2024-10-24 23:17:09,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:17:09,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:17:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:10,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:17:10,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:17:10,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195359918] [2024-10-24 23:17:10,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195359918] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:17:10,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:17:10,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 23:17:10,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136060108] [2024-10-24 23:17:10,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:17:10,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:17:10,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:17:10,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:17:10,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:17:10,445 INFO L87 Difference]: Start difference. First operand 401 states and 575 transitions. Second operand has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:17:10,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:17:10,533 INFO L93 Difference]: Finished difference Result 798 states and 1146 transitions. [2024-10-24 23:17:10,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:17:10,534 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 0 states have call successors, (0), 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 151 [2024-10-24 23:17:10,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:17:10,536 INFO L225 Difference]: With dead ends: 798 [2024-10-24 23:17:10,536 INFO L226 Difference]: Without dead ends: 404 [2024-10-24 23:17:10,537 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:17:10,539 INFO L432 NwaCegarLoop]: 540 mSDtfsCounter, 105 mSDsluCounter, 989 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1529 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 23:17:10,540 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1529 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 23:17:10,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-10-24 23:17:10,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 401. [2024-10-24 23:17:10,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 391 states have (on average 1.421994884910486) internal successors, (556), 393 states have internal predecessors, (556), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-24 23:17:10,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 568 transitions. [2024-10-24 23:17:10,549 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 568 transitions. Word has length 151 [2024-10-24 23:17:10,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:17:10,550 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 568 transitions. [2024-10-24 23:17:10,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:17:10,550 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 568 transitions. [2024-10-24 23:17:10,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-10-24 23:17:10,552 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:17:10,552 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:17:10,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 23:17:10,553 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-24 23:17:10,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:17:10,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1973196103, now seen corresponding path program 1 times [2024-10-24 23:17:10,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:17:10,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239026038] [2024-10-24 23:17:10,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:17:10,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:17:10,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:10,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:17:10,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:17:10,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239026038] [2024-10-24 23:17:10,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239026038] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:17:10,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:17:10,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:17:10,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635600981] [2024-10-24 23:17:10,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:17:10,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 23:17:10,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:17:10,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 23:17:10,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 23:17:10,783 INFO L87 Difference]: Start difference. First operand 401 states and 568 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 2 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:17:10,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:17:10,820 INFO L93 Difference]: Finished difference Result 922 states and 1316 transitions. [2024-10-24 23:17:10,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 23:17:10,822 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 2 states have internal predecessors, (151), 0 states have call successors, (0), 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 151 [2024-10-24 23:17:10,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:17:10,824 INFO L225 Difference]: With dead ends: 922 [2024-10-24 23:17:10,824 INFO L226 Difference]: Without dead ends: 528 [2024-10-24 23:17:10,825 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 [2024-10-24 23:17:10,826 INFO L432 NwaCegarLoop]: 560 mSDtfsCounter, 134 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1113 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 23:17:10,826 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1113 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 23:17:10,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2024-10-24 23:17:10,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2024-10-24 23:17:10,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 518 states have (on average 1.4324324324324325) internal successors, (742), 520 states have internal predecessors, (742), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-24 23:17:10,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 754 transitions. [2024-10-24 23:17:10,838 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 754 transitions. Word has length 151 [2024-10-24 23:17:10,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:17:10,839 INFO L471 AbstractCegarLoop]: Abstraction has 528 states and 754 transitions. [2024-10-24 23:17:10,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 2 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:17:10,839 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 754 transitions. [2024-10-24 23:17:10,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-10-24 23:17:10,843 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:17:10,843 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:17:10,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 23:17:10,843 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-24 23:17:10,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:17:10,843 INFO L85 PathProgramCache]: Analyzing trace with hash 944160931, now seen corresponding path program 1 times [2024-10-24 23:17:10,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:17:10,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426788561] [2024-10-24 23:17:10,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:17:10,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:17:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:11,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 23:17:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:11,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 23:17:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:11,155 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:17:11,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:17:11,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426788561] [2024-10-24 23:17:11,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426788561] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:17:11,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:17:11,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 23:17:11,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888861907] [2024-10-24 23:17:11,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:17:11,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 23:17:11,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:17:11,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 23:17:11,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:17:11,162 INFO L87 Difference]: Start difference. First operand 528 states and 754 transitions. Second operand has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 23:17:11,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:17:11,444 INFO L93 Difference]: Finished difference Result 882 states and 1257 transitions. [2024-10-24 23:17:11,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 23:17:11,444 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 164 [2024-10-24 23:17:11,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:17:11,447 INFO L225 Difference]: With dead ends: 882 [2024-10-24 23:17:11,449 INFO L226 Difference]: Without dead ends: 488 [2024-10-24 23:17:11,449 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 23:17:11,451 INFO L432 NwaCegarLoop]: 456 mSDtfsCounter, 35 mSDsluCounter, 1264 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 1720 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 23:17:11,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 1720 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 23:17:11,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2024-10-24 23:17:11,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 486. [2024-10-24 23:17:11,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 476 states have (on average 1.3970588235294117) internal successors, (665), 478 states have internal predecessors, (665), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-24 23:17:11,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 677 transitions. [2024-10-24 23:17:11,461 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 677 transitions. Word has length 164 [2024-10-24 23:17:11,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:17:11,462 INFO L471 AbstractCegarLoop]: Abstraction has 486 states and 677 transitions. [2024-10-24 23:17:11,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 23:17:11,464 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 677 transitions. [2024-10-24 23:17:11,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-10-24 23:17:11,466 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:17:11,466 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:17:11,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 23:17:11,467 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-24 23:17:11,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:17:11,467 INFO L85 PathProgramCache]: Analyzing trace with hash -369644719, now seen corresponding path program 1 times [2024-10-24 23:17:11,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:17:11,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629948643] [2024-10-24 23:17:11,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:17:11,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:17:11,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:11,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 23:17:11,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:11,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 23:17:11,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:11,694 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:17:11,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:17:11,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629948643] [2024-10-24 23:17:11,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629948643] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:17:11,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:17:11,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 23:17:11,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734531534] [2024-10-24 23:17:11,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:17:11,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:17:11,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:17:11,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:17:11,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:17:11,700 INFO L87 Difference]: Start difference. First operand 486 states and 677 transitions. Second operand has 4 states, 4 states have (on average 39.5) internal successors, (158), 3 states have internal predecessors, (158), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 23:17:11,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:17:11,920 INFO L93 Difference]: Finished difference Result 840 states and 1169 transitions. [2024-10-24 23:17:11,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:17:11,921 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.5) internal successors, (158), 3 states have internal predecessors, (158), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 164 [2024-10-24 23:17:11,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:17:11,923 INFO L225 Difference]: With dead ends: 840 [2024-10-24 23:17:11,923 INFO L226 Difference]: Without dead ends: 488 [2024-10-24 23:17:11,923 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:17:11,924 INFO L432 NwaCegarLoop]: 471 mSDtfsCounter, 4 mSDsluCounter, 834 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1305 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 23:17:11,924 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1305 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 23:17:11,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2024-10-24 23:17:11,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 486. [2024-10-24 23:17:11,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 476 states have (on average 1.3907563025210083) internal successors, (662), 478 states have internal predecessors, (662), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-24 23:17:11,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 674 transitions. [2024-10-24 23:17:11,932 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 674 transitions. Word has length 164 [2024-10-24 23:17:11,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:17:11,932 INFO L471 AbstractCegarLoop]: Abstraction has 486 states and 674 transitions. [2024-10-24 23:17:11,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.5) internal successors, (158), 3 states have internal predecessors, (158), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 23:17:11,933 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 674 transitions. [2024-10-24 23:17:11,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-10-24 23:17:11,934 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:17:11,934 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:17:11,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 23:17:11,934 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-24 23:17:11,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:17:11,935 INFO L85 PathProgramCache]: Analyzing trace with hash 928900759, now seen corresponding path program 1 times [2024-10-24 23:17:11,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:17:11,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899275473] [2024-10-24 23:17:11,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:17:11,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:17:11,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:12,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 23:17:12,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:12,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 23:17:12,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:12,107 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:17:12,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:17:12,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899275473] [2024-10-24 23:17:12,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899275473] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:17:12,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:17:12,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 23:17:12,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694058516] [2024-10-24 23:17:12,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:17:12,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:17:12,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:17:12,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:17:12,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:17:12,110 INFO L87 Difference]: Start difference. First operand 486 states and 674 transitions. Second operand has 4 states, 4 states have (on average 39.5) internal successors, (158), 3 states have internal predecessors, (158), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 23:17:12,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:17:12,332 INFO L93 Difference]: Finished difference Result 986 states and 1361 transitions. [2024-10-24 23:17:12,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:17:12,332 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.5) internal successors, (158), 3 states have internal predecessors, (158), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 164 [2024-10-24 23:17:12,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:17:12,335 INFO L225 Difference]: With dead ends: 986 [2024-10-24 23:17:12,335 INFO L226 Difference]: Without dead ends: 634 [2024-10-24 23:17:12,335 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:17:12,336 INFO L432 NwaCegarLoop]: 476 mSDtfsCounter, 245 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 1332 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 23:17:12,336 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 1332 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 23:17:12,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2024-10-24 23:17:12,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 632. [2024-10-24 23:17:12,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 632 states, 619 states have (on average 1.3731825525040389) internal successors, (850), 621 states have internal predecessors, (850), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-24 23:17:12,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 868 transitions. [2024-10-24 23:17:12,376 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 868 transitions. Word has length 164 [2024-10-24 23:17:12,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:17:12,377 INFO L471 AbstractCegarLoop]: Abstraction has 632 states and 868 transitions. [2024-10-24 23:17:12,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.5) internal successors, (158), 3 states have internal predecessors, (158), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 23:17:12,377 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 868 transitions. [2024-10-24 23:17:12,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-10-24 23:17:12,379 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:17:12,379 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:17:12,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 23:17:12,379 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-24 23:17:12,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:17:12,380 INFO L85 PathProgramCache]: Analyzing trace with hash -2047643625, now seen corresponding path program 1 times [2024-10-24 23:17:12,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:17:12,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738099063] [2024-10-24 23:17:12,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:17:12,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:17:12,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:12,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 23:17:12,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:12,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 23:17:12,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:12,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 23:17:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:12,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 23:17:12,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:12,711 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-24 23:17:12,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:17:12,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738099063] [2024-10-24 23:17:12,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738099063] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:17:12,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:17:12,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 23:17:12,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841542801] [2024-10-24 23:17:12,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:17:12,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 23:17:12,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:17:12,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 23:17:12,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:17:12,714 INFO L87 Difference]: Start difference. First operand 632 states and 868 transitions. Second operand has 5 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 23:17:12,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:17:12,944 INFO L93 Difference]: Finished difference Result 700 states and 968 transitions. [2024-10-24 23:17:12,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 23:17:12,944 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 177 [2024-10-24 23:17:12,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:17:12,947 INFO L225 Difference]: With dead ends: 700 [2024-10-24 23:17:12,947 INFO L226 Difference]: Without dead ends: 698 [2024-10-24 23:17:12,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:17:12,947 INFO L432 NwaCegarLoop]: 470 mSDtfsCounter, 297 mSDsluCounter, 1318 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 1788 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 23:17:12,948 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 1788 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 23:17:12,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2024-10-24 23:17:12,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 696. [2024-10-24 23:17:12,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 696 states, 680 states have (on average 1.3647058823529412) internal successors, (928), 682 states have internal predecessors, (928), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-24 23:17:12,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 952 transitions. [2024-10-24 23:17:12,960 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 952 transitions. Word has length 177 [2024-10-24 23:17:12,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:17:12,960 INFO L471 AbstractCegarLoop]: Abstraction has 696 states and 952 transitions. [2024-10-24 23:17:12,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 23:17:12,961 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 952 transitions. [2024-10-24 23:17:12,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-10-24 23:17:12,962 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:17:12,962 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:17:12,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 23:17:12,962 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-24 23:17:12,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:17:12,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1493612954, now seen corresponding path program 1 times [2024-10-24 23:17:12,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:17:12,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001856904] [2024-10-24 23:17:12,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:17:12,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:17:13,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:13,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 23:17:13,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:13,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 23:17:13,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:13,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 23:17:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:13,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 23:17:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:13,641 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 23:17:13,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:17:13,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001856904] [2024-10-24 23:17:13,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001856904] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:17:13,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1357799066] [2024-10-24 23:17:13,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:17:13,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:17:13,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:17:13,644 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 23:17:13,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 23:17:14,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:14,037 INFO L255 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-24 23:17:14,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:17:14,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-24 23:17:14,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-10-24 23:17:14,474 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-24 23:17:14,475 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 38 [2024-10-24 23:17:14,747 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-24 23:17:14,748 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:17:14,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1357799066] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:17:14,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 23:17:14,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-10-24 23:17:14,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699616555] [2024-10-24 23:17:14,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:17:14,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 23:17:14,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:17:14,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 23:17:14,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-10-24 23:17:14,751 INFO L87 Difference]: Start difference. First operand 696 states and 952 transitions. Second operand has 11 states, 11 states have (on average 15.363636363636363) internal successors, (169), 11 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 23:17:18,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-10-24 23:17:23,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-10-24 23:17:25,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:17:25,479 INFO L93 Difference]: Finished difference Result 1358 states and 1851 transitions. [2024-10-24 23:17:25,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 23:17:25,480 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 15.363636363636363) internal successors, (169), 11 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 183 [2024-10-24 23:17:25,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:17:25,482 INFO L225 Difference]: With dead ends: 1358 [2024-10-24 23:17:25,482 INFO L226 Difference]: Without dead ends: 749 [2024-10-24 23:17:25,483 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=92, Invalid=370, Unknown=0, NotChecked=0, Total=462 [2024-10-24 23:17:25,484 INFO L432 NwaCegarLoop]: 515 mSDtfsCounter, 743 mSDsluCounter, 3088 mSDsCounter, 0 mSdLazyCounter, 1730 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 748 SdHoareTripleChecker+Valid, 3603 SdHoareTripleChecker+Invalid, 1739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1730 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2024-10-24 23:17:25,484 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [748 Valid, 3603 Invalid, 1739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1730 Invalid, 2 Unknown, 0 Unchecked, 10.4s Time] [2024-10-24 23:17:25,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2024-10-24 23:17:25,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 730. [2024-10-24 23:17:25,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 730 states, 714 states have (on average 1.3599439775910365) internal successors, (971), 716 states have internal predecessors, (971), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-24 23:17:25,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 995 transitions. [2024-10-24 23:17:25,501 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 995 transitions. Word has length 183 [2024-10-24 23:17:25,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:17:25,501 INFO L471 AbstractCegarLoop]: Abstraction has 730 states and 995 transitions. [2024-10-24 23:17:25,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.363636363636363) internal successors, (169), 11 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 23:17:25,502 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 995 transitions. [2024-10-24 23:17:25,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-10-24 23:17:25,503 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:17:25,504 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:17:25,519 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 23:17:25,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-10-24 23:17:25,705 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-24 23:17:25,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:17:25,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1148784792, now seen corresponding path program 1 times [2024-10-24 23:17:25,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:17:25,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091440465] [2024-10-24 23:17:25,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:17:25,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:17:25,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:25,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 23:17:25,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:25,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 23:17:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:25,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 23:17:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:25,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 23:17:25,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:25,942 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-24 23:17:25,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:17:25,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091440465] [2024-10-24 23:17:25,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091440465] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:17:25,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:17:25,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 23:17:25,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575585456] [2024-10-24 23:17:25,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:17:25,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 23:17:25,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:17:25,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 23:17:25,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:17:25,945 INFO L87 Difference]: Start difference. First operand 730 states and 995 transitions. Second operand has 5 states, 5 states have (on average 33.8) internal successors, (169), 4 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 23:17:26,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:17:26,286 INFO L93 Difference]: Finished difference Result 1303 states and 1778 transitions. [2024-10-24 23:17:26,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 23:17:26,287 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.8) internal successors, (169), 4 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 183 [2024-10-24 23:17:26,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:17:26,289 INFO L225 Difference]: With dead ends: 1303 [2024-10-24 23:17:26,290 INFO L226 Difference]: Without dead ends: 602 [2024-10-24 23:17:26,291 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 23:17:26,291 INFO L432 NwaCegarLoop]: 381 mSDtfsCounter, 11 mSDsluCounter, 1041 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 1422 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 23:17:26,292 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 1422 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 23:17:26,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2024-10-24 23:17:26,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 600. [2024-10-24 23:17:26,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 584 states have (on average 1.3133561643835616) internal successors, (767), 586 states have internal predecessors, (767), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-24 23:17:26,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 791 transitions. [2024-10-24 23:17:26,306 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 791 transitions. Word has length 183 [2024-10-24 23:17:26,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:17:26,307 INFO L471 AbstractCegarLoop]: Abstraction has 600 states and 791 transitions. [2024-10-24 23:17:26,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.8) internal successors, (169), 4 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 23:17:26,307 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 791 transitions. [2024-10-24 23:17:26,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-10-24 23:17:26,308 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:17:26,308 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:17:26,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 23:17:26,309 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-24 23:17:26,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:17:26,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1816344540, now seen corresponding path program 1 times [2024-10-24 23:17:26,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:17:26,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085673124] [2024-10-24 23:17:26,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:17:26,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:17:26,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:27,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 23:17:27,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:27,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 23:17:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:27,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 23:17:27,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:27,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 23:17:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:27,035 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 23:17:27,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:17:27,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085673124] [2024-10-24 23:17:27,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085673124] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:17:27,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254584456] [2024-10-24 23:17:27,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:17:27,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:17:27,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:17:27,037 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 23:17:27,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 23:17:27,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:27,433 INFO L255 TraceCheckSpWp]: Trace formula consists of 1030 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-24 23:17:27,437 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:17:27,492 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-24 23:17:27,493 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:17:27,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [254584456] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:17:27,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 23:17:27,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2024-10-24 23:17:27,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298485823] [2024-10-24 23:17:27,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:17:27,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:17:27,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:17:27,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:17:27,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 23:17:27,494 INFO L87 Difference]: Start difference. First operand 600 states and 791 transitions. Second operand has 4 states, 4 states have (on average 42.5) internal successors, (170), 4 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 23:17:27,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:17:27,596 INFO L93 Difference]: Finished difference Result 1161 states and 1541 transitions. [2024-10-24 23:17:27,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:17:27,600 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.5) internal successors, (170), 4 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 184 [2024-10-24 23:17:27,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:17:27,602 INFO L225 Difference]: With dead ends: 1161 [2024-10-24 23:17:27,602 INFO L226 Difference]: Without dead ends: 600 [2024-10-24 23:17:27,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 23:17:27,603 INFO L432 NwaCegarLoop]: 388 mSDtfsCounter, 13 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 1041 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 23:17:27,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 1041 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 23:17:27,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2024-10-24 23:17:27,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2024-10-24 23:17:27,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 584 states have (on average 1.3099315068493151) internal successors, (765), 586 states have internal predecessors, (765), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-24 23:17:27,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 789 transitions. [2024-10-24 23:17:27,618 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 789 transitions. Word has length 184 [2024-10-24 23:17:27,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:17:27,618 INFO L471 AbstractCegarLoop]: Abstraction has 600 states and 789 transitions. [2024-10-24 23:17:27,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.5) internal successors, (170), 4 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 23:17:27,618 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 789 transitions. [2024-10-24 23:17:27,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-24 23:17:27,619 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:17:27,620 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:17:27,637 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-24 23:17:27,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:17:27,824 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-24 23:17:27,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:17:27,824 INFO L85 PathProgramCache]: Analyzing trace with hash 684193025, now seen corresponding path program 1 times [2024-10-24 23:17:27,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:17:27,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224613062] [2024-10-24 23:17:27,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:17:27,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:17:27,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:28,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 23:17:28,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:28,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 23:17:28,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:28,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 23:17:28,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:28,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 23:17:28,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:28,202 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-24 23:17:28,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:17:28,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224613062] [2024-10-24 23:17:28,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224613062] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:17:28,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:17:28,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 23:17:28,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363147323] [2024-10-24 23:17:28,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:17:28,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 23:17:28,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:17:28,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 23:17:28,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 23:17:28,204 INFO L87 Difference]: Start difference. First operand 600 states and 789 transitions. Second operand has 7 states, 7 states have (on average 24.428571428571427) internal successors, (171), 6 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 23:17:28,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:17:28,672 INFO L93 Difference]: Finished difference Result 1166 states and 1557 transitions. [2024-10-24 23:17:28,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 23:17:28,672 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.428571428571427) internal successors, (171), 6 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 185 [2024-10-24 23:17:28,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:17:28,674 INFO L225 Difference]: With dead ends: 1166 [2024-10-24 23:17:28,674 INFO L226 Difference]: Without dead ends: 608 [2024-10-24 23:17:28,675 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 23:17:28,675 INFO L432 NwaCegarLoop]: 386 mSDtfsCounter, 6 mSDsluCounter, 1553 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1939 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 23:17:28,675 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1939 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 23:17:28,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2024-10-24 23:17:28,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 606. [2024-10-24 23:17:28,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 606 states, 590 states have (on average 1.306779661016949) internal successors, (771), 592 states have internal predecessors, (771), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-24 23:17:28,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 795 transitions. [2024-10-24 23:17:28,686 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 795 transitions. Word has length 185 [2024-10-24 23:17:28,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:17:28,686 INFO L471 AbstractCegarLoop]: Abstraction has 606 states and 795 transitions. [2024-10-24 23:17:28,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.428571428571427) internal successors, (171), 6 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 23:17:28,687 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 795 transitions. [2024-10-24 23:17:28,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-24 23:17:28,688 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:17:28,688 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:17:28,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 23:17:28,688 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-24 23:17:28,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:17:28,688 INFO L85 PathProgramCache]: Analyzing trace with hash -449736807, now seen corresponding path program 1 times [2024-10-24 23:17:28,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:17:28,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619601286] [2024-10-24 23:17:28,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:17:28,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:17:28,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:29,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 23:17:29,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:29,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 23:17:29,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:29,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 23:17:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:29,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 23:17:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:29,166 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 23:17:29,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:17:29,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619601286] [2024-10-24 23:17:29,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619601286] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:17:29,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1700272801] [2024-10-24 23:17:29,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:17:29,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:17:29,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:17:29,168 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 23:17:29,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 23:17:29,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:29,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-24 23:17:29,644 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:17:29,757 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-24 23:17:29,758 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:17:29,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1700272801] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:17:29,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 23:17:29,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2024-10-24 23:17:29,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860570085] [2024-10-24 23:17:29,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:17:29,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 23:17:29,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:17:29,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 23:17:29,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-10-24 23:17:29,759 INFO L87 Difference]: Start difference. First operand 606 states and 795 transitions. Second operand has 9 states, 9 states have (on average 19.333333333333332) internal successors, (174), 9 states have internal predecessors, (174), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 23:17:30,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:17:30,024 INFO L93 Difference]: Finished difference Result 1046 states and 1387 transitions. [2024-10-24 23:17:30,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 23:17:30,025 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 19.333333333333332) internal successors, (174), 9 states have internal predecessors, (174), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 186 [2024-10-24 23:17:30,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:17:30,027 INFO L225 Difference]: With dead ends: 1046 [2024-10-24 23:17:30,027 INFO L226 Difference]: Without dead ends: 628 [2024-10-24 23:17:30,028 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-10-24 23:17:30,028 INFO L432 NwaCegarLoop]: 377 mSDtfsCounter, 30 mSDsluCounter, 1372 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1749 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 23:17:30,028 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1749 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 23:17:30,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2024-10-24 23:17:30,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 620. [2024-10-24 23:17:30,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 620 states, 604 states have (on average 1.3029801324503312) internal successors, (787), 606 states have internal predecessors, (787), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-24 23:17:30,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 811 transitions. [2024-10-24 23:17:30,038 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 811 transitions. Word has length 186 [2024-10-24 23:17:30,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:17:30,039 INFO L471 AbstractCegarLoop]: Abstraction has 620 states and 811 transitions. [2024-10-24 23:17:30,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.333333333333332) internal successors, (174), 9 states have internal predecessors, (174), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 23:17:30,039 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 811 transitions. [2024-10-24 23:17:30,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-10-24 23:17:30,040 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:17:30,040 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:17:30,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-24 23:17:30,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:17:30,241 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-24 23:17:30,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:17:30,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1217384249, now seen corresponding path program 1 times [2024-10-24 23:17:30,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:17:30,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466793378] [2024-10-24 23:17:30,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:17:30,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:17:30,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:30,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 23:17:30,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:30,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 23:17:30,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:30,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-24 23:17:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:30,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 23:17:30,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:30,751 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-24 23:17:30,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:17:30,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466793378] [2024-10-24 23:17:30,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466793378] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:17:30,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:17:30,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 23:17:30,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547425795] [2024-10-24 23:17:30,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:17:30,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 23:17:30,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:17:30,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 23:17:30,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 23:17:30,753 INFO L87 Difference]: Start difference. First operand 620 states and 811 transitions. Second operand has 8 states, 8 states have (on average 21.625) internal successors, (173), 7 states have internal predecessors, (173), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 23:17:31,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:17:31,325 INFO L93 Difference]: Finished difference Result 1046 states and 1388 transitions. [2024-10-24 23:17:31,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 23:17:31,325 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.625) internal successors, (173), 7 states have internal predecessors, (173), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 187 [2024-10-24 23:17:31,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:17:31,327 INFO L225 Difference]: With dead ends: 1046 [2024-10-24 23:17:31,327 INFO L226 Difference]: Without dead ends: 622 [2024-10-24 23:17:31,328 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-24 23:17:31,328 INFO L432 NwaCegarLoop]: 386 mSDtfsCounter, 23 mSDsluCounter, 1535 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 1921 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 23:17:31,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 1921 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 23:17:31,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2024-10-24 23:17:31,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 614. [2024-10-24 23:17:31,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 598 states have (on average 1.2993311036789297) internal successors, (777), 600 states have internal predecessors, (777), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-24 23:17:31,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 801 transitions. [2024-10-24 23:17:31,339 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 801 transitions. Word has length 187 [2024-10-24 23:17:31,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:17:31,339 INFO L471 AbstractCegarLoop]: Abstraction has 614 states and 801 transitions. [2024-10-24 23:17:31,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.625) internal successors, (173), 7 states have internal predecessors, (173), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 23:17:31,339 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 801 transitions. [2024-10-24 23:17:31,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-10-24 23:17:31,341 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:17:31,341 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:17:31,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 23:17:31,341 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-24 23:17:31,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:17:31,341 INFO L85 PathProgramCache]: Analyzing trace with hash -2067946572, now seen corresponding path program 1 times [2024-10-24 23:17:31,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:17:31,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114668140] [2024-10-24 23:17:31,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:17:31,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:17:31,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:31,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 23:17:31,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:31,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 23:17:31,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:31,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 23:17:31,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:31,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 23:17:31,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:31,799 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-24 23:17:31,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:17:31,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114668140] [2024-10-24 23:17:31,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114668140] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:17:31,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:17:31,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 23:17:31,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147216791] [2024-10-24 23:17:31,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:17:31,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 23:17:31,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:17:31,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 23:17:31,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-24 23:17:31,802 INFO L87 Difference]: Start difference. First operand 614 states and 801 transitions. Second operand has 8 states, 8 states have (on average 21.75) internal successors, (174), 7 states have internal predecessors, (174), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 23:17:32,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:17:32,267 INFO L93 Difference]: Finished difference Result 1045 states and 1385 transitions. [2024-10-24 23:17:32,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 23:17:32,267 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.75) internal successors, (174), 7 states have internal predecessors, (174), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 188 [2024-10-24 23:17:32,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:17:32,269 INFO L225 Difference]: With dead ends: 1045 [2024-10-24 23:17:32,270 INFO L226 Difference]: Without dead ends: 626 [2024-10-24 23:17:32,270 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-24 23:17:32,271 INFO L432 NwaCegarLoop]: 389 mSDtfsCounter, 18 mSDsluCounter, 1263 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 1652 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 23:17:32,272 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 1652 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 23:17:32,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2024-10-24 23:17:32,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 620. [2024-10-24 23:17:32,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 620 states, 604 states have (on average 1.2963576158940397) internal successors, (783), 606 states have internal predecessors, (783), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-24 23:17:32,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 807 transitions. [2024-10-24 23:17:32,283 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 807 transitions. Word has length 188 [2024-10-24 23:17:32,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:17:32,283 INFO L471 AbstractCegarLoop]: Abstraction has 620 states and 807 transitions. [2024-10-24 23:17:32,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.75) internal successors, (174), 7 states have internal predecessors, (174), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 23:17:32,283 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 807 transitions. [2024-10-24 23:17:32,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-10-24 23:17:32,284 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:17:32,284 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:17:32,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 23:17:32,284 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-24 23:17:32,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:17:32,285 INFO L85 PathProgramCache]: Analyzing trace with hash 478345392, now seen corresponding path program 1 times [2024-10-24 23:17:32,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:17:32,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143670245] [2024-10-24 23:17:32,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:17:32,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:17:32,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:32,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 23:17:32,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:32,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 23:17:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:32,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 23:17:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:32,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 23:17:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:32,704 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 23:17:32,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:17:32,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143670245] [2024-10-24 23:17:32,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143670245] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:17:32,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217023101] [2024-10-24 23:17:32,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:17:32,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:17:32,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:17:32,706 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 23:17:32,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 23:17:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:33,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 23:17:33,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:17:33,422 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 23:17:33,422 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:17:33,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217023101] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:17:33,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 23:17:33,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-10-24 23:17:33,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782763074] [2024-10-24 23:17:33,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:17:33,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 23:17:33,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:17:33,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 23:17:33,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 23:17:33,424 INFO L87 Difference]: Start difference. First operand 620 states and 807 transitions. Second operand has 5 states, 4 states have (on average 44.75) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 23:17:33,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:17:33,494 INFO L93 Difference]: Finished difference Result 1150 states and 1510 transitions. [2024-10-24 23:17:33,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 23:17:33,495 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 44.75) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 189 [2024-10-24 23:17:33,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:17:33,497 INFO L225 Difference]: With dead ends: 1150 [2024-10-24 23:17:33,497 INFO L226 Difference]: Without dead ends: 622 [2024-10-24 23:17:33,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 23:17:33,498 INFO L432 NwaCegarLoop]: 388 mSDtfsCounter, 368 mSDsluCounter, 1154 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 1542 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 23:17:33,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 1542 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 23:17:33,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2024-10-24 23:17:33,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 622. [2024-10-24 23:17:33,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 622 states, 605 states have (on average 1.2975206611570247) internal successors, (785), 608 states have internal predecessors, (785), 12 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (16), 12 states have call predecessors, (16), 12 states have call successors, (16) [2024-10-24 23:17:33,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 813 transitions. [2024-10-24 23:17:33,512 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 813 transitions. Word has length 189 [2024-10-24 23:17:33,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:17:33,512 INFO L471 AbstractCegarLoop]: Abstraction has 622 states and 813 transitions. [2024-10-24 23:17:33,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 44.75) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 23:17:33,512 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 813 transitions. [2024-10-24 23:17:33,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-24 23:17:33,514 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:17:33,514 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:17:33,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-24 23:17:33,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-24 23:17:33,719 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-24 23:17:33,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:17:33,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1666425008, now seen corresponding path program 1 times [2024-10-24 23:17:33,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:17:33,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260412744] [2024-10-24 23:17:33,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:17:33,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:17:34,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:34,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 23:17:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:34,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 23:17:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:34,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 23:17:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:34,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 23:17:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:34,357 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 23:17:34,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:17:34,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260412744] [2024-10-24 23:17:34,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260412744] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:17:34,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2129783369] [2024-10-24 23:17:34,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:17:34,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:17:34,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:17:34,359 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 23:17:34,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 23:17:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:17:35,010 INFO L255 TraceCheckSpWp]: Trace formula consists of 1089 conjuncts, 159 conjuncts are in the unsatisfiable core [2024-10-24 23:17:35,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:17:35,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-10-24 23:17:35,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-24 23:17:35,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 11 [2024-10-24 23:17:35,497 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 11 [2024-10-24 23:17:35,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-24 23:17:35,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-10-24 23:17:35,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-10-24 23:17:35,562 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2024-10-24 23:17:35,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 29 [2024-10-24 23:17:35,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-10-24 23:17:35,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-10-24 23:17:35,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-10-24 23:17:35,816 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-10-24 23:17:35,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 57 [2024-10-24 23:17:35,821 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-10-24 23:17:35,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11