./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test1-2.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 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 20:10:15,712 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 20:10:15,778 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-12 20:10:15,784 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 20:10:15,784 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 20:10:15,816 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 20:10:15,816 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 20:10:15,817 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 20:10:15,817 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 20:10:15,818 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 20:10:15,819 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 20:10:15,819 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 20:10:15,820 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 20:10:15,820 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 20:10:15,820 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 20:10:15,820 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 20:10:15,821 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 20:10:15,821 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 20:10:15,821 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 20:10:15,821 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 20:10:15,822 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 20:10:15,826 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 20:10:15,826 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 20:10:15,826 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 20:10:15,826 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 20:10:15,827 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 20:10:15,827 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 20:10:15,827 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 20:10:15,827 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 20:10:15,827 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 20:10:15,828 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 20:10:15,828 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 20:10:15,828 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 20:10:15,828 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 20:10:15,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 20:10:15,829 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 20:10:15,829 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 20:10:15,829 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 20:10:15,829 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 20:10:15,830 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 20:10:15,830 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 20:10:15,833 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 20:10:15,833 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 20:10:15,833 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 20:10:15,833 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 [2024-11-12 20:10:16,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 20:10:16,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 20:10:16,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 20:10:16,123 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 20:10:16,124 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 20:10:16,125 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test1-2.i [2024-11-12 20:10:17,544 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 20:10:17,826 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 20:10:17,826 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test1-2.i [2024-11-12 20:10:17,845 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6a9806e7/a6f72dcf0a5041b69a601c92e1a52354/FLAG181d0b3bf [2024-11-12 20:10:17,857 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6a9806e7/a6f72dcf0a5041b69a601c92e1a52354 [2024-11-12 20:10:17,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 20:10:17,860 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 20:10:17,862 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 20:10:17,863 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 20:10:17,867 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 20:10:17,867 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:10:17" (1/1) ... [2024-11-12 20:10:17,868 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39128449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:10:17, skipping insertion in model container [2024-11-12 20:10:17,868 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:10:17" (1/1) ... [2024-11-12 20:10:17,917 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 20:10:18,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 20:10:18,446 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 20:10:18,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 20:10:18,611 INFO L204 MainTranslator]: Completed translation [2024-11-12 20:10:18,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:10:18 WrapperNode [2024-11-12 20:10:18,615 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 20:10:18,616 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 20:10:18,616 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 20:10:18,616 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 20:10:18,623 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:10:18" (1/1) ... [2024-11-12 20:10:18,647 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:10:18" (1/1) ... [2024-11-12 20:10:18,705 INFO L138 Inliner]: procedures = 176, calls = 221, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 971 [2024-11-12 20:10:18,705 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 20:10:18,706 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 20:10:18,706 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 20:10:18,706 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 20:10:18,717 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:10:18" (1/1) ... [2024-11-12 20:10:18,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:10:18" (1/1) ... [2024-11-12 20:10:18,727 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:10:18" (1/1) ... [2024-11-12 20:10:18,801 INFO L175 MemorySlicer]: Split 206 memory accesses to 2 slices as follows [2, 204]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 50 writes are split as follows [0, 50]. [2024-11-12 20:10:18,802 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:10:18" (1/1) ... [2024-11-12 20:10:18,802 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:10:18" (1/1) ... [2024-11-12 20:10:18,833 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:10:18" (1/1) ... [2024-11-12 20:10:18,852 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:10:18" (1/1) ... [2024-11-12 20:10:18,859 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:10:18" (1/1) ... [2024-11-12 20:10:18,864 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:10:18" (1/1) ... [2024-11-12 20:10:18,874 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 20:10:18,877 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 20:10:18,877 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 20:10:18,878 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 20:10:18,879 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:10:18" (1/1) ... [2024-11-12 20:10:18,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 20:10:18,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:10:18,912 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 20:10:18,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 20:10:18,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 20:10:18,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 20:10:18,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 20:10:18,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 20:10:18,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-12 20:10:18,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-12 20:10:18,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-12 20:10:18,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-12 20:10:18,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 20:10:18,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 20:10:18,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 20:10:18,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 20:10:18,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 20:10:18,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 20:10:18,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 20:10:18,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 20:10:18,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 20:10:18,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 20:10:18,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 20:10:19,177 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 20:10:19,179 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 20:10:20,235 INFO L? ?]: Removed 230 outVars from TransFormulas that were not future-live. [2024-11-12 20:10:20,236 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 20:10:20,300 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 20:10:20,301 INFO L316 CfgBuilder]: Removed 40 assume(true) statements. [2024-11-12 20:10:20,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:10:20 BoogieIcfgContainer [2024-11-12 20:10:20,307 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 20:10:20,309 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 20:10:20,309 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 20:10:20,318 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 20:10:20,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:10:17" (1/3) ... [2024-11-12 20:10:20,319 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@509dc0c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:10:20, skipping insertion in model container [2024-11-12 20:10:20,319 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:10:18" (2/3) ... [2024-11-12 20:10:20,319 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@509dc0c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:10:20, skipping insertion in model container [2024-11-12 20:10:20,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:10:20" (3/3) ... [2024-11-12 20:10:20,338 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_nondet_test1-2.i [2024-11-12 20:10:20,365 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 20:10:20,365 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-12 20:10:20,437 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 20:10:20,443 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;@6d984af4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 20:10:20,443 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-12 20:10:20,449 INFO L276 IsEmpty]: Start isEmpty. Operand has 258 states, 247 states have (on average 1.6153846153846154) internal successors, (399), 253 states have internal predecessors, (399), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 20:10:20,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-12 20:10:20,454 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:10:20,454 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-12 20:10:20,455 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 20:10:20,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:10:20,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1363672333, now seen corresponding path program 1 times [2024-11-12 20:10:20,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:10:20,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865646544] [2024-11-12 20:10:20,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:10:20,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:10:20,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:20,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:10:20,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:10:20,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865646544] [2024-11-12 20:10:20,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865646544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:10:20,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:10:20,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 20:10:20,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698978551] [2024-11-12 20:10:20,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:10:20,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 20:10:20,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:10:20,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 20:10:20,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 20:10:20,698 INFO L87 Difference]: Start difference. First operand has 258 states, 247 states have (on average 1.6153846153846154) internal successors, (399), 253 states have internal predecessors, (399), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:10:20,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:10:20,811 INFO L93 Difference]: Finished difference Result 711 states and 1127 transitions. [2024-11-12 20:10:20,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 20:10:20,814 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-12 20:10:20,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:10:20,830 INFO L225 Difference]: With dead ends: 711 [2024-11-12 20:10:20,831 INFO L226 Difference]: Without dead ends: 413 [2024-11-12 20:10:20,838 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 20:10:20,841 INFO L435 NwaCegarLoop]: 398 mSDtfsCounter, 278 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 20:10:20,842 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 749 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 20:10:20,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-11-12 20:10:20,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 216. [2024-11-12 20:10:20,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 206 states have (on average 1.4466019417475728) internal successors, (298), 211 states have internal predecessors, (298), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 20:10:20,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 304 transitions. [2024-11-12 20:10:20,897 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 304 transitions. Word has length 6 [2024-11-12 20:10:20,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:10:20,897 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 304 transitions. [2024-11-12 20:10:20,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:10:20,898 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 304 transitions. [2024-11-12 20:10:20,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-12 20:10:20,900 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:10:20,900 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-12 20:10:20,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 20:10:20,901 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 20:10:20,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:10:20,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1362998889, now seen corresponding path program 1 times [2024-11-12 20:10:20,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:10:20,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580507693] [2024-11-12 20:10:20,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:10:20,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:10:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:21,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:10:21,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:10:21,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580507693] [2024-11-12 20:10:21,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580507693] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:10:21,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:10:21,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 20:10:21,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473407562] [2024-11-12 20:10:21,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:10:21,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 20:10:21,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:10:21,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 20:10:21,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 20:10:21,134 INFO L87 Difference]: Start difference. First operand 216 states and 304 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:10:21,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:10:21,173 INFO L93 Difference]: Finished difference Result 221 states and 310 transitions. [2024-11-12 20:10:21,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 20:10:21,173 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-12 20:10:21,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:10:21,175 INFO L225 Difference]: With dead ends: 221 [2024-11-12 20:10:21,175 INFO L226 Difference]: Without dead ends: 220 [2024-11-12 20:10:21,176 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 20:10:21,176 INFO L435 NwaCegarLoop]: 300 mSDtfsCounter, 2 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 20:10:21,177 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 596 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 20:10:21,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-11-12 20:10:21,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 219. [2024-11-12 20:10:21,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 209 states have (on average 1.4401913875598087) internal successors, (301), 214 states have internal predecessors, (301), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 20:10:21,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 307 transitions. [2024-11-12 20:10:21,194 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 307 transitions. Word has length 6 [2024-11-12 20:10:21,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:10:21,196 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 307 transitions. [2024-11-12 20:10:21,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:10:21,197 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 307 transitions. [2024-11-12 20:10:21,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-12 20:10:21,197 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:10:21,197 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:10:21,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 20:10:21,198 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 20:10:21,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:10:21,198 INFO L85 PathProgramCache]: Analyzing trace with hash -696707334, now seen corresponding path program 1 times [2024-11-12 20:10:21,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:10:21,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289025518] [2024-11-12 20:10:21,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:10:21,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:10:21,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:21,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:10:21,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:10:21,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289025518] [2024-11-12 20:10:21,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289025518] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:10:21,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:10:21,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 20:10:21,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717806984] [2024-11-12 20:10:21,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:10:21,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 20:10:21,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:10:21,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 20:10:21,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 20:10:21,325 INFO L87 Difference]: Start difference. First operand 219 states and 307 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:10:21,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:10:21,351 INFO L93 Difference]: Finished difference Result 221 states and 309 transitions. [2024-11-12 20:10:21,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 20:10:21,351 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-12 20:10:21,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:10:21,353 INFO L225 Difference]: With dead ends: 221 [2024-11-12 20:10:21,353 INFO L226 Difference]: Without dead ends: 220 [2024-11-12 20:10:21,353 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 20:10:21,354 INFO L435 NwaCegarLoop]: 301 mSDtfsCounter, 0 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 597 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 [2024-11-12 20:10:21,354 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 597 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 20:10:21,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-11-12 20:10:21,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2024-11-12 20:10:21,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 210 states have (on average 1.438095238095238) internal successors, (302), 215 states have internal predecessors, (302), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 20:10:21,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 308 transitions. [2024-11-12 20:10:21,364 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 308 transitions. Word has length 7 [2024-11-12 20:10:21,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:10:21,365 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 308 transitions. [2024-11-12 20:10:21,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:10:21,365 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 308 transitions. [2024-11-12 20:10:21,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-12 20:10:21,368 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:10:21,368 INFO L218 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] [2024-11-12 20:10:21,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 20:10:21,369 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 20:10:21,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:10:21,369 INFO L85 PathProgramCache]: Analyzing trace with hash 34814661, now seen corresponding path program 1 times [2024-11-12 20:10:21,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:10:21,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439784176] [2024-11-12 20:10:21,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:10:21,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:10:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:21,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:10:21,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:10:21,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439784176] [2024-11-12 20:10:21,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439784176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:10:21,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:10:21,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 20:10:21,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220161493] [2024-11-12 20:10:21,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:10:21,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 20:10:21,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:10:21,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 20:10:21,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 20:10:21,746 INFO L87 Difference]: Start difference. First operand 220 states and 308 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:10:21,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:10:21,830 INFO L93 Difference]: Finished difference Result 436 states and 612 transitions. [2024-11-12 20:10:21,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 20:10:21,831 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2024-11-12 20:10:21,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:10:21,832 INFO L225 Difference]: With dead ends: 436 [2024-11-12 20:10:21,833 INFO L226 Difference]: Without dead ends: 223 [2024-11-12 20:10:21,834 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 20:10:21,837 INFO L435 NwaCegarLoop]: 275 mSDtfsCounter, 102 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 20:10:21,837 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 806 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 20:10:21,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-12 20:10:21,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 220. [2024-11-12 20:10:21,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 210 states have (on average 1.4047619047619047) internal successors, (295), 215 states have internal predecessors, (295), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 20:10:21,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 301 transitions. [2024-11-12 20:10:21,853 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 301 transitions. Word has length 80 [2024-11-12 20:10:21,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:10:21,854 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 301 transitions. [2024-11-12 20:10:21,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:10:21,854 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 301 transitions. [2024-11-12 20:10:21,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-12 20:10:21,857 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:10:21,857 INFO L218 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] [2024-11-12 20:10:21,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 20:10:21,858 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 20:10:21,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:10:21,858 INFO L85 PathProgramCache]: Analyzing trace with hash 603954361, now seen corresponding path program 1 times [2024-11-12 20:10:21,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:10:21,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9226677] [2024-11-12 20:10:21,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:10:21,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:10:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:22,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:10:22,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:10:22,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9226677] [2024-11-12 20:10:22,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9226677] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:10:22,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:10:22,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 20:10:22,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939516127] [2024-11-12 20:10:22,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:10:22,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 20:10:22,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:10:22,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 20:10:22,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 20:10:22,091 INFO L87 Difference]: Start difference. First operand 220 states and 301 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:10:22,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:10:22,150 INFO L93 Difference]: Finished difference Result 439 states and 604 transitions. [2024-11-12 20:10:22,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 20:10:22,150 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2024-11-12 20:10:22,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:10:22,153 INFO L225 Difference]: With dead ends: 439 [2024-11-12 20:10:22,153 INFO L226 Difference]: Without dead ends: 226 [2024-11-12 20:10:22,153 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 20:10:22,155 INFO L435 NwaCegarLoop]: 290 mSDtfsCounter, 1 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 20:10:22,155 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 558 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 20:10:22,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-11-12 20:10:22,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2024-11-12 20:10:22,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 216 states have (on average 1.3935185185185186) internal successors, (301), 221 states have internal predecessors, (301), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 20:10:22,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 307 transitions. [2024-11-12 20:10:22,169 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 307 transitions. Word has length 80 [2024-11-12 20:10:22,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:10:22,169 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 307 transitions. [2024-11-12 20:10:22,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:10:22,170 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 307 transitions. [2024-11-12 20:10:22,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-12 20:10:22,171 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:10:22,171 INFO L218 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] [2024-11-12 20:10:22,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 20:10:22,171 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 20:10:22,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:10:22,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1085034619, now seen corresponding path program 1 times [2024-11-12 20:10:22,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:10:22,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966583336] [2024-11-12 20:10:22,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:10:22,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:10:22,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:22,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:10:22,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:10:22,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966583336] [2024-11-12 20:10:22,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966583336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:10:22,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:10:22,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 20:10:22,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302827219] [2024-11-12 20:10:22,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:10:22,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 20:10:22,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:10:22,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 20:10:22,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 20:10:22,317 INFO L87 Difference]: Start difference. First operand 226 states and 307 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:10:22,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:10:22,363 INFO L93 Difference]: Finished difference Result 578 states and 800 transitions. [2024-11-12 20:10:22,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 20:10:22,365 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2024-11-12 20:10:22,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:10:22,367 INFO L225 Difference]: With dead ends: 578 [2024-11-12 20:10:22,368 INFO L226 Difference]: Without dead ends: 359 [2024-11-12 20:10:22,368 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 20:10:22,369 INFO L435 NwaCegarLoop]: 295 mSDtfsCounter, 134 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 20:10:22,370 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 582 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 20:10:22,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-11-12 20:10:22,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2024-11-12 20:10:22,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 349 states have (on average 1.4126074498567336) internal successors, (493), 354 states have internal predecessors, (493), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 20:10:22,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 499 transitions. [2024-11-12 20:10:22,381 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 499 transitions. Word has length 80 [2024-11-12 20:10:22,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:10:22,382 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 499 transitions. [2024-11-12 20:10:22,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:10:22,382 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 499 transitions. [2024-11-12 20:10:22,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-12 20:10:22,383 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:10:22,384 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:10:22,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 20:10:22,384 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 20:10:22,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:10:22,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1857385142, now seen corresponding path program 1 times [2024-11-12 20:10:22,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:10:22,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881800385] [2024-11-12 20:10:22,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:10:22,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:10:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:22,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 20:10:22,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:22,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 20:10:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:22,677 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 20:10:22,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:10:22,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881800385] [2024-11-12 20:10:22,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881800385] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:10:22,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:10:22,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 20:10:22,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075053595] [2024-11-12 20:10:22,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:10:22,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 20:10:22,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:10:22,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 20:10:22,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 20:10:22,681 INFO L87 Difference]: Start difference. First operand 359 states and 499 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 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) [2024-11-12 20:10:22,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:10:22,874 INFO L93 Difference]: Finished difference Result 428 states and 594 transitions. [2024-11-12 20:10:22,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 20:10:22,875 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 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 95 [2024-11-12 20:10:22,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:10:22,881 INFO L225 Difference]: With dead ends: 428 [2024-11-12 20:10:22,881 INFO L226 Difference]: Without dead ends: 426 [2024-11-12 20:10:22,882 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 20:10:22,882 INFO L435 NwaCegarLoop]: 290 mSDtfsCounter, 189 mSDsluCounter, 818 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 1108 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 20:10:22,884 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 1108 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 20:10:22,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-11-12 20:10:22,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 423. [2024-11-12 20:10:22,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 410 states have (on average 1.3926829268292682) internal successors, (571), 415 states have internal predecessors, (571), 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) [2024-11-12 20:10:22,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 583 transitions. [2024-11-12 20:10:22,901 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 583 transitions. Word has length 95 [2024-11-12 20:10:22,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:10:22,901 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 583 transitions. [2024-11-12 20:10:22,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 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) [2024-11-12 20:10:22,903 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 583 transitions. [2024-11-12 20:10:22,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-12 20:10:22,904 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:10:22,904 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:10:22,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 20:10:22,904 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 20:10:22,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:10:22,905 INFO L85 PathProgramCache]: Analyzing trace with hash -227289380, now seen corresponding path program 1 times [2024-11-12 20:10:22,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:10:22,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231249987] [2024-11-12 20:10:22,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:10:22,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:10:22,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:23,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 20:10:23,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:23,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 20:10:23,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:23,172 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 20:10:23,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:10:23,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231249987] [2024-11-12 20:10:23,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231249987] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:10:23,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1487455795] [2024-11-12 20:10:23,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:10:23,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:10:23,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:10:23,176 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:10:23,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 20:10:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:23,484 INFO L256 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 20:10:23,495 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:10:23,672 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 20:10:23,672 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 20:10:23,871 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 20:10:23,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1487455795] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 20:10:23,873 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 20:10:23,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2024-11-12 20:10:23,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705308095] [2024-11-12 20:10:23,873 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 20:10:23,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 20:10:23,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:10:23,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 20:10:23,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-12 20:10:23,877 INFO L87 Difference]: Start difference. First operand 423 states and 583 transitions. Second operand has 11 states, 11 states have (on average 24.09090909090909) internal successors, (265), 10 states have internal predecessors, (265), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-12 20:10:24,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:10:24,176 INFO L93 Difference]: Finished difference Result 641 states and 893 transitions. [2024-11-12 20:10:24,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 20:10:24,176 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 24.09090909090909) internal successors, (265), 10 states have internal predecessors, (265), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 100 [2024-11-12 20:10:24,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:10:24,180 INFO L225 Difference]: With dead ends: 641 [2024-11-12 20:10:24,180 INFO L226 Difference]: Without dead ends: 633 [2024-11-12 20:10:24,180 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-12 20:10:24,181 INFO L435 NwaCegarLoop]: 332 mSDtfsCounter, 1063 mSDsluCounter, 2020 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1077 SdHoareTripleChecker+Valid, 2352 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 20:10:24,181 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1077 Valid, 2352 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 20:10:24,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2024-11-12 20:10:24,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 628. [2024-11-12 20:10:24,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 612 states have (on average 1.3937908496732025) internal successors, (853), 617 states have internal predecessors, (853), 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) [2024-11-12 20:10:24,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 871 transitions. [2024-11-12 20:10:24,199 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 871 transitions. Word has length 100 [2024-11-12 20:10:24,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:10:24,200 INFO L471 AbstractCegarLoop]: Abstraction has 628 states and 871 transitions. [2024-11-12 20:10:24,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 24.09090909090909) internal successors, (265), 10 states have internal predecessors, (265), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-12 20:10:24,204 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 871 transitions. [2024-11-12 20:10:24,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-12 20:10:24,235 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:10:24,235 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:10:24,256 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 20:10:24,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:10:24,437 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 20:10:24,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:10:24,437 INFO L85 PathProgramCache]: Analyzing trace with hash -227962824, now seen corresponding path program 1 times [2024-11-12 20:10:24,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:10:24,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850364684] [2024-11-12 20:10:24,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:10:24,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:10:24,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:25,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 20:10:25,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:25,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 20:10:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:25,071 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 20:10:25,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:10:25,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850364684] [2024-11-12 20:10:25,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850364684] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:10:25,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1703696604] [2024-11-12 20:10:25,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:10:25,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:10:25,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:10:25,074 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:10:25,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 20:10:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:25,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-12 20:10:25,362 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:10:25,603 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 20:10:25,604 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 20:10:25,817 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 20:10:25,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1703696604] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 20:10:25,818 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 20:10:25,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-11-12 20:10:25,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539544663] [2024-11-12 20:10:25,818 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 20:10:25,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 20:10:25,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:10:25,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 20:10:25,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-12 20:10:25,820 INFO L87 Difference]: Start difference. First operand 628 states and 871 transitions. Second operand has 14 states, 13 states have (on average 14.692307692307692) internal successors, (191), 13 states have internal predecessors, (191), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 20:10:26,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:10:26,125 INFO L93 Difference]: Finished difference Result 847 states and 1187 transitions. [2024-11-12 20:10:26,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 20:10:26,125 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 14.692307692307692) internal successors, (191), 13 states have internal predecessors, (191), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 100 [2024-11-12 20:10:26,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:10:26,129 INFO L225 Difference]: With dead ends: 847 [2024-11-12 20:10:26,130 INFO L226 Difference]: Without dead ends: 846 [2024-11-12 20:10:26,130 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-11-12 20:10:26,131 INFO L435 NwaCegarLoop]: 331 mSDtfsCounter, 843 mSDsluCounter, 2025 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 853 SdHoareTripleChecker+Valid, 2356 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 20:10:26,131 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [853 Valid, 2356 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 20:10:26,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2024-11-12 20:10:26,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 835. [2024-11-12 20:10:26,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 835 states, 816 states have (on average 1.3933823529411764) internal successors, (1137), 821 states have internal predecessors, (1137), 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) [2024-11-12 20:10:26,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 1161 transitions. [2024-11-12 20:10:26,157 INFO L78 Accepts]: Start accepts. Automaton has 835 states and 1161 transitions. Word has length 100 [2024-11-12 20:10:26,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:10:26,158 INFO L471 AbstractCegarLoop]: Abstraction has 835 states and 1161 transitions. [2024-11-12 20:10:26,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 14.692307692307692) internal successors, (191), 13 states have internal predecessors, (191), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 20:10:26,159 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1161 transitions. [2024-11-12 20:10:26,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-12 20:10:26,160 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:10:26,160 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:10:26,180 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-12 20:10:26,361 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 [2024-11-12 20:10:26,361 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 20:10:26,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:10:26,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1523087115, now seen corresponding path program 1 times [2024-11-12 20:10:26,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:10:26,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539542578] [2024-11-12 20:10:26,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:10:26,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:10:26,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:26,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 20:10:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:26,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 20:10:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:26,885 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 20:10:26,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:10:26,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539542578] [2024-11-12 20:10:26,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539542578] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:10:26,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205576613] [2024-11-12 20:10:26,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:10:26,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:10:26,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:10:26,888 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:10:26,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 20:10:27,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:27,224 INFO L256 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-12 20:10:27,231 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:10:27,422 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 20:10:27,423 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 20:10:27,612 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 20:10:27,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [205576613] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 20:10:27,612 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 20:10:27,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-11-12 20:10:27,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886068577] [2024-11-12 20:10:27,613 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 20:10:27,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 20:10:27,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:10:27,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 20:10:27,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-12 20:10:27,615 INFO L87 Difference]: Start difference. First operand 835 states and 1161 transitions. Second operand has 14 states, 13 states have (on average 14.923076923076923) internal successors, (194), 13 states have internal predecessors, (194), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 20:10:27,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:10:27,934 INFO L93 Difference]: Finished difference Result 847 states and 1184 transitions. [2024-11-12 20:10:27,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 20:10:27,935 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 14.923076923076923) internal successors, (194), 13 states have internal predecessors, (194), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 101 [2024-11-12 20:10:27,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:10:27,938 INFO L225 Difference]: With dead ends: 847 [2024-11-12 20:10:27,938 INFO L226 Difference]: Without dead ends: 846 [2024-11-12 20:10:27,939 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-11-12 20:10:27,941 INFO L435 NwaCegarLoop]: 332 mSDtfsCounter, 654 mSDsluCounter, 2082 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 664 SdHoareTripleChecker+Valid, 2414 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 20:10:27,942 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [664 Valid, 2414 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 20:10:27,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2024-11-12 20:10:27,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 836. [2024-11-12 20:10:27,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 836 states, 817 states have (on average 1.390452876376989) internal successors, (1136), 822 states have internal predecessors, (1136), 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) [2024-11-12 20:10:27,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1160 transitions. [2024-11-12 20:10:27,966 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1160 transitions. Word has length 101 [2024-11-12 20:10:27,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:10:27,967 INFO L471 AbstractCegarLoop]: Abstraction has 836 states and 1160 transitions. [2024-11-12 20:10:27,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 14.923076923076923) internal successors, (194), 13 states have internal predecessors, (194), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 20:10:27,967 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1160 transitions. [2024-11-12 20:10:27,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-12 20:10:27,969 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:10:27,970 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:10:27,988 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-12 20:10:28,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:10:28,171 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 20:10:28,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:10:28,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1009351562, now seen corresponding path program 1 times [2024-11-12 20:10:28,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:10:28,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395386409] [2024-11-12 20:10:28,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:10:28,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:10:28,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:28,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 20:10:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:28,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 20:10:28,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:28,632 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 20:10:28,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:10:28,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395386409] [2024-11-12 20:10:28,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395386409] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:10:28,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [145842211] [2024-11-12 20:10:28,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:10:28,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:10:28,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:10:28,635 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:10:28,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-12 20:10:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:29,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 20:10:29,032 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:10:29,245 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 20:10:29,245 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 20:10:29,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [145842211] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:10:29,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 20:10:29,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-11-12 20:10:29,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142035184] [2024-11-12 20:10:29,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:10:29,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 20:10:29,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:10:29,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 20:10:29,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-12 20:10:29,248 INFO L87 Difference]: Start difference. First operand 836 states and 1160 transitions. Second operand has 6 states, 5 states have (on average 33.4) internal successors, (167), 6 states have internal predecessors, (167), 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) [2024-11-12 20:10:29,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:10:29,301 INFO L93 Difference]: Finished difference Result 836 states and 1160 transitions. [2024-11-12 20:10:29,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 20:10:29,302 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 33.4) internal successors, (167), 6 states have internal predecessors, (167), 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 174 [2024-11-12 20:10:29,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:10:29,306 INFO L225 Difference]: With dead ends: 836 [2024-11-12 20:10:29,306 INFO L226 Difference]: Without dead ends: 835 [2024-11-12 20:10:29,307 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-12 20:10:29,307 INFO L435 NwaCegarLoop]: 558 mSDtfsCounter, 383 mSDsluCounter, 839 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 1397 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 20:10:29,307 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [387 Valid, 1397 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 20:10:29,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2024-11-12 20:10:29,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 835. [2024-11-12 20:10:29,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 835 states, 817 states have (on average 1.386780905752754) internal successors, (1133), 821 states have internal predecessors, (1133), 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) [2024-11-12 20:10:29,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 1157 transitions. [2024-11-12 20:10:29,349 INFO L78 Accepts]: Start accepts. Automaton has 835 states and 1157 transitions. Word has length 174 [2024-11-12 20:10:29,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:10:29,350 INFO L471 AbstractCegarLoop]: Abstraction has 835 states and 1157 transitions. [2024-11-12 20:10:29,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 33.4) internal successors, (167), 6 states have internal predecessors, (167), 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) [2024-11-12 20:10:29,350 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1157 transitions. [2024-11-12 20:10:29,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2024-11-12 20:10:29,353 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:10:29,353 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:10:29,373 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-12 20:10:29,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:10:29,558 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 20:10:29,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:10:29,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1949198097, now seen corresponding path program 1 times [2024-11-12 20:10:29,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:10:29,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005333892] [2024-11-12 20:10:29,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:10:29,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:10:29,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:29,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 20:10:29,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:29,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 20:10:29,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:29,961 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-11-12 20:10:29,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:10:29,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005333892] [2024-11-12 20:10:29,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005333892] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:10:29,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:10:29,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 20:10:29,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446926302] [2024-11-12 20:10:29,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:10:29,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 20:10:29,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:10:29,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 20:10:29,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 20:10:29,967 INFO L87 Difference]: Start difference. First operand 835 states and 1157 transitions. Second operand has 5 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 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) [2024-11-12 20:10:30,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:10:30,184 INFO L93 Difference]: Finished difference Result 838 states and 1172 transitions. [2024-11-12 20:10:30,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 20:10:30,185 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 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 254 [2024-11-12 20:10:30,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:10:30,188 INFO L225 Difference]: With dead ends: 838 [2024-11-12 20:10:30,188 INFO L226 Difference]: Without dead ends: 837 [2024-11-12 20:10:30,189 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 20:10:30,189 INFO L435 NwaCegarLoop]: 288 mSDtfsCounter, 198 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 20:10:30,190 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 830 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 20:10:30,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2024-11-12 20:10:30,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 834. [2024-11-12 20:10:30,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 834 states, 817 states have (on average 1.3843329253365972) internal successors, (1131), 820 states have internal predecessors, (1131), 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) [2024-11-12 20:10:30,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1155 transitions. [2024-11-12 20:10:30,209 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1155 transitions. Word has length 254 [2024-11-12 20:10:30,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:10:30,209 INFO L471 AbstractCegarLoop]: Abstraction has 834 states and 1155 transitions. [2024-11-12 20:10:30,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 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) [2024-11-12 20:10:30,210 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1155 transitions. [2024-11-12 20:10:30,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-11-12 20:10:30,212 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:10:30,212 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:10:30,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 20:10:30,213 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 20:10:30,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:10:30,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1505173212, now seen corresponding path program 1 times [2024-11-12 20:10:30,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:10:30,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857677659] [2024-11-12 20:10:30,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:10:30,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:10:30,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:30,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 20:10:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:30,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 20:10:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:30,943 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 236 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 20:10:30,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:10:30,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857677659] [2024-11-12 20:10:30,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857677659] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:10:30,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1201580326] [2024-11-12 20:10:30,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:10:30,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:10:30,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:10:30,945 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:10:30,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-12 20:10:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:31,479 INFO L256 TraceCheckSpWp]: Trace formula consists of 1285 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-12 20:10:31,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:10:31,826 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 236 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 20:10:31,826 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 20:10:32,181 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 236 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 20:10:32,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1201580326] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 20:10:32,182 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 20:10:32,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 19 [2024-11-12 20:10:32,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776424819] [2024-11-12 20:10:32,183 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 20:10:32,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-12 20:10:32,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:10:32,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-12 20:10:32,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2024-11-12 20:10:32,185 INFO L87 Difference]: Start difference. First operand 834 states and 1155 transitions. Second operand has 19 states, 19 states have (on average 30.57894736842105) internal successors, (581), 18 states have internal predecessors, (581), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-12 20:10:32,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:10:32,521 INFO L93 Difference]: Finished difference Result 1456 states and 2041 transitions. [2024-11-12 20:10:32,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-12 20:10:32,522 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 30.57894736842105) internal successors, (581), 18 states have internal predecessors, (581), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 258 [2024-11-12 20:10:32,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:10:32,528 INFO L225 Difference]: With dead ends: 1456 [2024-11-12 20:10:32,528 INFO L226 Difference]: Without dead ends: 1449 [2024-11-12 20:10:32,529 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 527 GetRequests, 510 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2024-11-12 20:10:32,530 INFO L435 NwaCegarLoop]: 288 mSDtfsCounter, 2551 mSDsluCounter, 2841 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2589 SdHoareTripleChecker+Valid, 3129 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 20:10:32,530 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2589 Valid, 3129 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 20:10:32,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1449 states. [2024-11-12 20:10:32,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1449 to 1442. [2024-11-12 20:10:32,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1442 states, 1416 states have (on average 1.387005649717514) internal successors, (1964), 1419 states have internal predecessors, (1964), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-12 20:10:32,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1442 states and 2006 transitions. [2024-11-12 20:10:32,564 INFO L78 Accepts]: Start accepts. Automaton has 1442 states and 2006 transitions. Word has length 258 [2024-11-12 20:10:32,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:10:32,565 INFO L471 AbstractCegarLoop]: Abstraction has 1442 states and 2006 transitions. [2024-11-12 20:10:32,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 30.57894736842105) internal successors, (581), 18 states have internal predecessors, (581), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-12 20:10:32,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 2006 transitions. [2024-11-12 20:10:32,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2024-11-12 20:10:32,570 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:10:32,570 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:10:32,589 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-12 20:10:32,770 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,SelfDestructingSolverStorable12 [2024-11-12 20:10:32,771 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 20:10:32,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:10:32,771 INFO L85 PathProgramCache]: Analyzing trace with hash -941014536, now seen corresponding path program 1 times [2024-11-12 20:10:32,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:10:32,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108235919] [2024-11-12 20:10:32,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:10:32,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:10:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:35,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 20:10:35,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:35,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 20:10:35,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:35,824 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 20:10:35,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:10:35,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108235919] [2024-11-12 20:10:35,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108235919] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:10:35,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [659245929] [2024-11-12 20:10:35,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:10:35,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:10:35,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:10:35,827 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:10:35,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-12 20:10:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:36,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 1687 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-12 20:10:36,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:10:37,034 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 20:10:37,034 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 20:10:37,571 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 20:10:37,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [659245929] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 20:10:37,571 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 20:10:37,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 28 [2024-11-12 20:10:37,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555295954] [2024-11-12 20:10:37,572 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 20:10:37,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-12 20:10:37,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:10:37,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-12 20:10:37,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=552, Unknown=0, NotChecked=0, Total=812 [2024-11-12 20:10:37,575 INFO L87 Difference]: Start difference. First operand 1442 states and 2006 transitions. Second operand has 29 states, 28 states have (on average 24.071428571428573) internal successors, (674), 28 states have internal predecessors, (674), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 20:10:38,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:10:38,247 INFO L93 Difference]: Finished difference Result 2074 states and 2924 transitions. [2024-11-12 20:10:38,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-12 20:10:38,248 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 24.071428571428573) internal successors, (674), 28 states have internal predecessors, (674), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 337 [2024-11-12 20:10:38,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:10:38,257 INFO L225 Difference]: With dead ends: 2074 [2024-11-12 20:10:38,257 INFO L226 Difference]: Without dead ends: 2073 [2024-11-12 20:10:38,258 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 692 GetRequests, 660 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 389 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=340, Invalid=782, Unknown=0, NotChecked=0, Total=1122 [2024-11-12 20:10:38,259 INFO L435 NwaCegarLoop]: 372 mSDtfsCounter, 3211 mSDsluCounter, 5309 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3257 SdHoareTripleChecker+Valid, 5681 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 20:10:38,259 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3257 Valid, 5681 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 20:10:38,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2073 states. [2024-11-12 20:10:38,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2073 to 2057. [2024-11-12 20:10:38,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2057 states, 2022 states have (on average 1.3872403560830862) internal successors, (2805), 2025 states have internal predecessors, (2805), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-12 20:10:38,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2057 states to 2057 states and 2865 transitions. [2024-11-12 20:10:38,372 INFO L78 Accepts]: Start accepts. Automaton has 2057 states and 2865 transitions. Word has length 337 [2024-11-12 20:10:38,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:10:38,373 INFO L471 AbstractCegarLoop]: Abstraction has 2057 states and 2865 transitions. [2024-11-12 20:10:38,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 24.071428571428573) internal successors, (674), 28 states have internal predecessors, (674), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 20:10:38,373 INFO L276 IsEmpty]: Start isEmpty. Operand 2057 states and 2865 transitions. [2024-11-12 20:10:38,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2024-11-12 20:10:38,380 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:10:38,381 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:10:38,404 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-12 20:10:38,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:10:38,582 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 20:10:38,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:10:38,582 INFO L85 PathProgramCache]: Analyzing trace with hash 893320523, now seen corresponding path program 1 times [2024-11-12 20:10:38,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:10:38,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649611221] [2024-11-12 20:10:38,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:10:38,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:10:38,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:41,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 20:10:41,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:41,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 20:10:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:41,110 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 0 proven. 488 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 20:10:41,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:10:41,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649611221] [2024-11-12 20:10:41,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649611221] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:10:41,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [570821546] [2024-11-12 20:10:41,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:10:41,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:10:41,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:10:41,113 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:10:41,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-12 20:10:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:41,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 1688 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-12 20:10:41,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:10:42,252 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 0 proven. 488 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 20:10:42,252 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 20:10:42,657 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 0 proven. 488 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 20:10:42,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [570821546] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 20:10:42,657 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 20:10:42,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 28 [2024-11-12 20:10:42,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850303720] [2024-11-12 20:10:42,657 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 20:10:42,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-12 20:10:42,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:10:42,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-12 20:10:42,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=552, Unknown=0, NotChecked=0, Total=812 [2024-11-12 20:10:42,660 INFO L87 Difference]: Start difference. First operand 2057 states and 2865 transitions. Second operand has 29 states, 28 states have (on average 24.178571428571427) internal successors, (677), 28 states have internal predecessors, (677), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 20:10:43,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:10:43,312 INFO L93 Difference]: Finished difference Result 2074 states and 2918 transitions. [2024-11-12 20:10:43,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-12 20:10:43,313 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 24.178571428571427) internal successors, (677), 28 states have internal predecessors, (677), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 338 [2024-11-12 20:10:43,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:10:43,321 INFO L225 Difference]: With dead ends: 2074 [2024-11-12 20:10:43,321 INFO L226 Difference]: Without dead ends: 2073 [2024-11-12 20:10:43,322 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 694 GetRequests, 662 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 389 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=340, Invalid=782, Unknown=0, NotChecked=0, Total=1122 [2024-11-12 20:10:43,323 INFO L435 NwaCegarLoop]: 459 mSDtfsCounter, 4096 mSDsluCounter, 5628 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4142 SdHoareTripleChecker+Valid, 6087 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 20:10:43,323 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4142 Valid, 6087 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 20:10:43,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2073 states. [2024-11-12 20:10:43,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2073 to 2058. [2024-11-12 20:10:43,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2058 states, 2023 states have (on average 1.384577360355907) internal successors, (2801), 2026 states have internal predecessors, (2801), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-12 20:10:43,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2058 states to 2058 states and 2861 transitions. [2024-11-12 20:10:43,405 INFO L78 Accepts]: Start accepts. Automaton has 2058 states and 2861 transitions. Word has length 338 [2024-11-12 20:10:43,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:10:43,406 INFO L471 AbstractCegarLoop]: Abstraction has 2058 states and 2861 transitions. [2024-11-12 20:10:43,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 24.178571428571427) internal successors, (677), 28 states have internal predecessors, (677), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 20:10:43,407 INFO L276 IsEmpty]: Start isEmpty. Operand 2058 states and 2861 transitions. [2024-11-12 20:10:43,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2024-11-12 20:10:43,420 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:10:43,421 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:10:43,442 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-12 20:10:43,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:10:43,625 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 20:10:43,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:10:43,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1249095388, now seen corresponding path program 2 times [2024-11-12 20:10:43,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:10:43,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211292673] [2024-11-12 20:10:43,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:10:43,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:10:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:45,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 20:10:45,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:45,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 20:10:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:10:45,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1658 backedges. 0 proven. 1654 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 20:10:45,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:10:45,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211292673] [2024-11-12 20:10:45,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211292673] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:10:45,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1222150998] [2024-11-12 20:10:45,554 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 20:10:45,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:10:45,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:10:45,556 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:10:45,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-12 20:10:46,545 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 20:10:46,545 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 20:10:46,555 INFO L256 TraceCheckSpWp]: Trace formula consists of 2765 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-12 20:10:46,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:10:47,029 INFO L134 CoverageAnalysis]: Checked inductivity of 1658 backedges. 0 proven. 1654 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 20:10:47,029 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 20:10:47,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1658 backedges. 0 proven. 1654 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 20:10:47,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1222150998] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 20:10:47,631 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 20:10:47,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 24 [2024-11-12 20:10:47,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696414790] [2024-11-12 20:10:47,632 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 20:10:47,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-12 20:10:47,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:10:47,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-12 20:10:47,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2024-11-12 20:10:47,635 INFO L87 Difference]: Start difference. First operand 2058 states and 2861 transitions. Second operand has 24 states, 24 states have (on average 34.208333333333336) internal successors, (821), 23 states have internal predecessors, (821), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-12 20:10:49,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:10:49,012 INFO L93 Difference]: Finished difference Result 2068 states and 2901 transitions. [2024-11-12 20:10:49,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-12 20:10:49,013 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 34.208333333333336) internal successors, (821), 23 states have internal predecessors, (821), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 574 [2024-11-12 20:10:49,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:10:49,021 INFO L225 Difference]: With dead ends: 2068 [2024-11-12 20:10:49,022 INFO L226 Difference]: Without dead ends: 2061 [2024-11-12 20:10:49,023 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1167 GetRequests, 1134 SyntacticMatches, 11 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2024-11-12 20:10:49,023 INFO L435 NwaCegarLoop]: 374 mSDtfsCounter, 3901 mSDsluCounter, 3961 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3953 SdHoareTripleChecker+Valid, 4335 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-12 20:10:49,024 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3953 Valid, 4335 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-12 20:10:49,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2061 states. [2024-11-12 20:10:49,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2061 to 2058. [2024-11-12 20:10:49,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2058 states, 2023 states have (on average 1.3830944142362827) internal successors, (2798), 2026 states have internal predecessors, (2798), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-12 20:10:49,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2058 states to 2058 states and 2858 transitions. [2024-11-12 20:10:49,069 INFO L78 Accepts]: Start accepts. Automaton has 2058 states and 2858 transitions. Word has length 574 [2024-11-12 20:10:49,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:10:49,070 INFO L471 AbstractCegarLoop]: Abstraction has 2058 states and 2858 transitions. [2024-11-12 20:10:49,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 34.208333333333336) internal successors, (821), 23 states have internal predecessors, (821), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-12 20:10:49,070 INFO L276 IsEmpty]: Start isEmpty. Operand 2058 states and 2858 transitions. [2024-11-12 20:10:49,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 812 [2024-11-12 20:10:49,090 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:10:49,091 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:10:49,115 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-12 20:10:49,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-12 20:10:49,291 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-12 20:10:49,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:10:49,292 INFO L85 PathProgramCache]: Analyzing trace with hash 437432476, now seen corresponding path program 3 times [2024-11-12 20:10:49,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:10:49,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483136799] [2024-11-12 20:10:49,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:10:49,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms