./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test1-1.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_JEN_nondet_test1-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fdc85b042221b41aa26e62667e19ce1f6c246be9a2cb4f81fe8b15c8429db160 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 20:12:57,150 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 20:12:57,205 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-12 20:12:57,211 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 20:12:57,212 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 20:12:57,233 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 20:12:57,233 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 20:12:57,234 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 20:12:57,234 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 20:12:57,235 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 20:12:57,236 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 20:12:57,236 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 20:12:57,237 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 20:12:57,239 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 20:12:57,239 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 20:12:57,240 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 20:12:57,240 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 20:12:57,240 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 20:12:57,240 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 20:12:57,240 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 20:12:57,241 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 20:12:57,241 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 20:12:57,241 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 20:12:57,242 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 20:12:57,243 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 20:12:57,243 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 20:12:57,243 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 20:12:57,243 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 20:12:57,243 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 20:12:57,244 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 20:12:57,244 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 20:12:57,244 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 20:12:57,245 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 20:12:57,245 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 20:12:57,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 20:12:57,246 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 20:12:57,246 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 20:12:57,246 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 20:12:57,246 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 20:12:57,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 20:12:57,246 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 20:12:57,247 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 20:12:57,247 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 20:12:57,247 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 20:12:57,247 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fdc85b042221b41aa26e62667e19ce1f6c246be9a2cb4f81fe8b15c8429db160 [2024-11-12 20:12:57,457 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 20:12:57,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 20:12:57,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 20:12:57,484 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 20:12:57,484 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 20:12:57,485 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test1-1.i [2024-11-12 20:12:58,889 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 20:12:59,136 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 20:12:59,139 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test1-1.i [2024-11-12 20:12:59,157 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f2a873a2/debca425970b4f5989abbcb6f8fcec49/FLAG8d55d3c88 [2024-11-12 20:12:59,168 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f2a873a2/debca425970b4f5989abbcb6f8fcec49 [2024-11-12 20:12:59,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 20:12:59,172 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 20:12:59,177 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 20:12:59,177 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 20:12:59,181 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 20:12:59,182 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:12:59" (1/1) ... [2024-11-12 20:12:59,183 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@363a26ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:12:59, skipping insertion in model container [2024-11-12 20:12:59,183 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:12:59" (1/1) ... [2024-11-12 20:12:59,213 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 20:12:59,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 20:12:59,598 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 20:12:59,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 20:12:59,705 INFO L204 MainTranslator]: Completed translation [2024-11-12 20:12:59,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:12:59 WrapperNode [2024-11-12 20:12:59,706 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 20:12:59,707 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 20:12:59,707 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 20:12:59,707 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 20:12:59,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:12:59" (1/1) ... [2024-11-12 20:12:59,733 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:12:59" (1/1) ... [2024-11-12 20:12:59,777 INFO L138 Inliner]: procedures = 176, calls = 170, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 805 [2024-11-12 20:12:59,778 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 20:12:59,781 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 20:12:59,781 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 20:12:59,781 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 20:12:59,804 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:12:59" (1/1) ... [2024-11-12 20:12:59,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:12:59" (1/1) ... [2024-11-12 20:12:59,814 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:12:59" (1/1) ... [2024-11-12 20:12:59,871 INFO L175 MemorySlicer]: Split 158 memory accesses to 2 slices as follows [2, 156]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 42 writes are split as follows [0, 42]. [2024-11-12 20:12:59,871 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:12:59" (1/1) ... [2024-11-12 20:12:59,871 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:12:59" (1/1) ... [2024-11-12 20:12:59,889 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:12:59" (1/1) ... [2024-11-12 20:12:59,894 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:12:59" (1/1) ... [2024-11-12 20:12:59,896 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:12:59" (1/1) ... [2024-11-12 20:12:59,899 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:12:59" (1/1) ... [2024-11-12 20:12:59,903 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 20:12:59,904 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 20:12:59,904 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 20:12:59,904 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 20:12:59,904 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:12:59" (1/1) ... [2024-11-12 20:12:59,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 20:12:59,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:12:59,937 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 20:12:59,938 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 20:12:59,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 20:12:59,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 20:12:59,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 20:12:59,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 20:12:59,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-12 20:12:59,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-12 20:12:59,972 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-12 20:12:59,973 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-12 20:12:59,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 20:12:59,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 20:12:59,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 20:12:59,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 20:12:59,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 20:12:59,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 20:12:59,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 20:12:59,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 20:12:59,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 20:12:59,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 20:12:59,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 20:13:00,094 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 20:13:00,095 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 20:13:00,693 INFO L? ?]: Removed 205 outVars from TransFormulas that were not future-live. [2024-11-12 20:13:00,693 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 20:13:00,708 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 20:13:00,709 INFO L316 CfgBuilder]: Removed 31 assume(true) statements. [2024-11-12 20:13:00,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:13:00 BoogieIcfgContainer [2024-11-12 20:13:00,709 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 20:13:00,711 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 20:13:00,711 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 20:13:00,713 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 20:13:00,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:12:59" (1/3) ... [2024-11-12 20:13:00,714 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d5b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:13:00, skipping insertion in model container [2024-11-12 20:13:00,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:12:59" (2/3) ... [2024-11-12 20:13:00,714 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d5b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:13:00, skipping insertion in model container [2024-11-12 20:13:00,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:13:00" (3/3) ... [2024-11-12 20:13:00,715 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_nondet_test1-1.i [2024-11-12 20:13:00,726 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 20:13:00,726 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-12 20:13:00,771 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 20:13:00,776 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;@1d9462f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 20:13:00,776 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-12 20:13:00,779 INFO L276 IsEmpty]: Start isEmpty. Operand has 223 states, 212 states have (on average 1.6132075471698113) internal successors, (342), 218 states have internal predecessors, (342), 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 20:13:00,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-12 20:13:00,782 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:13:00,783 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-12 20:13:00,783 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 20:13:00,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:13:00,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1363672333, now seen corresponding path program 1 times [2024-11-12 20:13:00,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:13:00,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665439816] [2024-11-12 20:13:00,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:13:00,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:13:00,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:00,900 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 20:13:00,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:13:00,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665439816] [2024-11-12 20:13:00,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665439816] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:13:00,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:13:00,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 20:13:00,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671407981] [2024-11-12 20:13:00,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:13:00,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 20:13:00,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:13:00,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 20:13:00,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 20:13:00,999 INFO L87 Difference]: Start difference. First operand has 223 states, 212 states have (on average 1.6132075471698113) internal successors, (342), 218 states have internal predecessors, (342), 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 20:13:01,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:13:01,071 INFO L93 Difference]: Finished difference Result 641 states and 1013 transitions. [2024-11-12 20:13:01,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 20:13:01,072 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 20:13:01,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:13:01,080 INFO L225 Difference]: With dead ends: 641 [2024-11-12 20:13:01,080 INFO L226 Difference]: Without dead ends: 413 [2024-11-12 20:13:01,083 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 20:13:01,085 INFO L435 NwaCegarLoop]: 307 mSDtfsCounter, 278 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 610 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 20:13:01,085 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 610 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 20:13:01,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-11-12 20:13:01,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 216. [2024-11-12 20:13:01,125 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 20:13:01,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 304 transitions. [2024-11-12 20:13:01,128 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 304 transitions. Word has length 6 [2024-11-12 20:13:01,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:13:01,128 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 304 transitions. [2024-11-12 20:13:01,129 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 20:13:01,129 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 304 transitions. [2024-11-12 20:13:01,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-12 20:13:01,129 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:13:01,129 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-12 20:13:01,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 20:13:01,130 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 20:13:01,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:13:01,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1362998889, now seen corresponding path program 1 times [2024-11-12 20:13:01,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:13:01,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024662557] [2024-11-12 20:13:01,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:13:01,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:13:01,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:01,300 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 20:13:01,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:13:01,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024662557] [2024-11-12 20:13:01,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024662557] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:13:01,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:13:01,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 20:13:01,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672625211] [2024-11-12 20:13:01,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:13:01,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 20:13:01,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:13:01,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 20:13:01,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 20:13:01,306 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 20:13:01,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:13:01,347 INFO L93 Difference]: Finished difference Result 221 states and 310 transitions. [2024-11-12 20:13:01,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 20:13:01,348 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 20:13:01,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:13:01,350 INFO L225 Difference]: With dead ends: 221 [2024-11-12 20:13:01,350 INFO L226 Difference]: Without dead ends: 220 [2024-11-12 20:13:01,350 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 20:13:01,351 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 20:13:01,354 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 20:13:01,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-11-12 20:13:01,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 219. [2024-11-12 20:13:01,367 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 20:13:01,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 307 transitions. [2024-11-12 20:13:01,368 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 307 transitions. Word has length 6 [2024-11-12 20:13:01,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:13:01,368 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 307 transitions. [2024-11-12 20:13:01,368 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 20:13:01,368 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 307 transitions. [2024-11-12 20:13:01,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-12 20:13:01,369 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:13:01,369 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:13:01,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 20:13:01,369 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 20:13:01,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:13:01,370 INFO L85 PathProgramCache]: Analyzing trace with hash -696707334, now seen corresponding path program 1 times [2024-11-12 20:13:01,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:13:01,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202198234] [2024-11-12 20:13:01,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:13:01,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:13:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:01,448 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 20:13:01,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:13:01,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202198234] [2024-11-12 20:13:01,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202198234] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:13:01,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:13:01,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 20:13:01,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875972736] [2024-11-12 20:13:01,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:13:01,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 20:13:01,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:13:01,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 20:13:01,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 20:13:01,452 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 20:13:01,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:13:01,476 INFO L93 Difference]: Finished difference Result 221 states and 309 transitions. [2024-11-12 20:13:01,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 20:13:01,477 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 20:13:01,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:13:01,478 INFO L225 Difference]: With dead ends: 221 [2024-11-12 20:13:01,478 INFO L226 Difference]: Without dead ends: 220 [2024-11-12 20:13:01,478 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 20:13:01,479 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 20:13:01,479 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 20:13:01,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-11-12 20:13:01,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2024-11-12 20:13:01,486 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 20:13:01,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 308 transitions. [2024-11-12 20:13:01,487 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 308 transitions. Word has length 7 [2024-11-12 20:13:01,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:13:01,487 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 308 transitions. [2024-11-12 20:13:01,487 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 20:13:01,488 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 308 transitions. [2024-11-12 20:13:01,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-12 20:13:01,490 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:13:01,490 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 20:13:01,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 20:13:01,490 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 20:13:01,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:13:01,491 INFO L85 PathProgramCache]: Analyzing trace with hash 34814661, now seen corresponding path program 1 times [2024-11-12 20:13:01,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:13:01,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271410209] [2024-11-12 20:13:01,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:13:01,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:13:01,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:01,751 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 20:13:01,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:13:01,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271410209] [2024-11-12 20:13:01,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271410209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:13:01,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:13:01,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 20:13:01,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418328942] [2024-11-12 20:13:01,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:13:01,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 20:13:01,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:13:01,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 20:13:01,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 20:13:01,753 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 20:13:01,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:13:01,821 INFO L93 Difference]: Finished difference Result 436 states and 612 transitions. [2024-11-12 20:13:01,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 20:13:01,821 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 20:13:01,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:13:01,822 INFO L225 Difference]: With dead ends: 436 [2024-11-12 20:13:01,823 INFO L226 Difference]: Without dead ends: 223 [2024-11-12 20:13:01,824 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 20:13:01,826 INFO L435 NwaCegarLoop]: 275 mSDtfsCounter, 87 mSDsluCounter, 720 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 995 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 20:13:01,826 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 995 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 20:13:01,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-12 20:13:01,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 220. [2024-11-12 20:13:01,834 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 20:13:01,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 301 transitions. [2024-11-12 20:13:01,835 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 301 transitions. Word has length 80 [2024-11-12 20:13:01,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:13:01,835 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 301 transitions. [2024-11-12 20:13:01,835 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 20:13:01,836 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 301 transitions. [2024-11-12 20:13:01,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-12 20:13:01,837 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:13:01,837 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 20:13:01,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 20:13:01,838 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 20:13:01,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:13:01,838 INFO L85 PathProgramCache]: Analyzing trace with hash 603954361, now seen corresponding path program 1 times [2024-11-12 20:13:01,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:13:01,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454688533] [2024-11-12 20:13:01,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:13:01,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:13:01,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:02,035 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 20:13:02,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:13:02,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454688533] [2024-11-12 20:13:02,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454688533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:13:02,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:13:02,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 20:13:02,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106761658] [2024-11-12 20:13:02,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:13:02,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 20:13:02,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:13:02,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 20:13:02,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 20:13:02,036 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 20:13:02,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:13:02,080 INFO L93 Difference]: Finished difference Result 439 states and 604 transitions. [2024-11-12 20:13:02,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 20:13:02,085 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 20:13:02,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:13:02,090 INFO L225 Difference]: With dead ends: 439 [2024-11-12 20:13:02,090 INFO L226 Difference]: Without dead ends: 226 [2024-11-12 20:13:02,091 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 20:13:02,092 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 20:13:02,092 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 20:13:02,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-11-12 20:13:02,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2024-11-12 20:13:02,106 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 20:13:02,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 307 transitions. [2024-11-12 20:13:02,108 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 307 transitions. Word has length 80 [2024-11-12 20:13:02,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:13:02,109 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 307 transitions. [2024-11-12 20:13:02,109 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 20:13:02,109 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 307 transitions. [2024-11-12 20:13:02,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-12 20:13:02,112 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:13:02,113 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 20:13:02,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 20:13:02,113 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 20:13:02,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:13:02,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1085034619, now seen corresponding path program 1 times [2024-11-12 20:13:02,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:13:02,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004743960] [2024-11-12 20:13:02,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:13:02,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:13:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:02,250 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 20:13:02,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:13:02,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004743960] [2024-11-12 20:13:02,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004743960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:13:02,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:13:02,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 20:13:02,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650307362] [2024-11-12 20:13:02,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:13:02,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 20:13:02,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:13:02,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 20:13:02,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 20:13:02,255 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 20:13:02,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:13:02,291 INFO L93 Difference]: Finished difference Result 578 states and 800 transitions. [2024-11-12 20:13:02,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 20:13:02,293 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 20:13:02,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:13:02,297 INFO L225 Difference]: With dead ends: 578 [2024-11-12 20:13:02,297 INFO L226 Difference]: Without dead ends: 359 [2024-11-12 20:13:02,297 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 20:13:02,298 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 20:13:02,299 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 20:13:02,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-11-12 20:13:02,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2024-11-12 20:13:02,310 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 20:13:02,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 499 transitions. [2024-11-12 20:13:02,312 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 499 transitions. Word has length 80 [2024-11-12 20:13:02,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:13:02,313 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 499 transitions. [2024-11-12 20:13:02,313 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 20:13:02,314 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 499 transitions. [2024-11-12 20:13:02,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-12 20:13:02,315 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:13:02,315 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 20:13:02,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 20:13:02,315 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 20:13:02,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:13:02,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1466582218, now seen corresponding path program 1 times [2024-11-12 20:13:02,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:13:02,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825981648] [2024-11-12 20:13:02,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:13:02,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:13:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:02,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 20:13:02,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:02,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 20:13:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:02,545 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 20:13:02,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:13:02,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825981648] [2024-11-12 20:13:02,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825981648] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:13:02,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:13:02,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 20:13:02,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483552771] [2024-11-12 20:13:02,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:13:02,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 20:13:02,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:13:02,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 20:13:02,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 20:13:02,548 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 20:13:02,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:13:02,706 INFO L93 Difference]: Finished difference Result 428 states and 594 transitions. [2024-11-12 20:13:02,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 20:13:02,707 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 20:13:02,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:13:02,712 INFO L225 Difference]: With dead ends: 428 [2024-11-12 20:13:02,712 INFO L226 Difference]: Without dead ends: 426 [2024-11-12 20:13:02,712 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 20:13:02,713 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 20:13:02,713 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 1108 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 20:13:02,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-11-12 20:13:02,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 423. [2024-11-12 20:13:02,729 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 20:13:02,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 583 transitions. [2024-11-12 20:13:02,732 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 583 transitions. Word has length 95 [2024-11-12 20:13:02,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:13:02,732 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 583 transitions. [2024-11-12 20:13:02,733 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 20:13:02,733 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 583 transitions. [2024-11-12 20:13:02,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-12 20:13:02,734 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:13:02,734 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 20:13:02,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 20:13:02,734 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 20:13:02,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:13:02,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1224396636, now seen corresponding path program 1 times [2024-11-12 20:13:02,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:13:02,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654130283] [2024-11-12 20:13:02,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:13:02,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:13:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:02,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 20:13:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:02,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 20:13:02,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:02,945 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 20:13:02,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:13:02,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654130283] [2024-11-12 20:13:02,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654130283] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:13:02,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069971118] [2024-11-12 20:13:02,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:13:02,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:13:02,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:13:02,949 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 20:13:02,950 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 20:13:03,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:03,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 20:13:03,200 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:13:03,376 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 20:13:03,377 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 20:13:03,512 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 20:13:03,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1069971118] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 20:13:03,513 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 20:13:03,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2024-11-12 20:13:03,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902603420] [2024-11-12 20:13:03,513 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 20:13:03,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 20:13:03,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:13:03,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 20:13:03,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-12 20:13:03,515 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 20:13:03,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:13:03,795 INFO L93 Difference]: Finished difference Result 641 states and 893 transitions. [2024-11-12 20:13:03,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 20:13:03,796 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 20:13:03,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:13:03,798 INFO L225 Difference]: With dead ends: 641 [2024-11-12 20:13:03,798 INFO L226 Difference]: Without dead ends: 633 [2024-11-12 20:13:03,799 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-12 20:13:03,799 INFO L435 NwaCegarLoop]: 375 mSDtfsCounter, 920 mSDsluCounter, 2308 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 934 SdHoareTripleChecker+Valid, 2683 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 20:13:03,800 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [934 Valid, 2683 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 20:13:03,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2024-11-12 20:13:03,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 628. [2024-11-12 20:13:03,812 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 20:13:03,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 871 transitions. [2024-11-12 20:13:03,814 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 871 transitions. Word has length 100 [2024-11-12 20:13:03,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:13:03,815 INFO L471 AbstractCegarLoop]: Abstraction has 628 states and 871 transitions. [2024-11-12 20:13:03,815 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 20:13:03,815 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 871 transitions. [2024-11-12 20:13:03,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-12 20:13:03,816 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:13:03,816 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 20:13:03,831 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 20:13:04,017 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 20:13:04,018 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 20:13:04,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:13:04,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1223723192, now seen corresponding path program 1 times [2024-11-12 20:13:04,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:13:04,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046040642] [2024-11-12 20:13:04,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:13:04,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:13:04,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:04,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 20:13:04,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:04,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 20:13:04,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:04,436 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 20:13:04,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:13:04,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046040642] [2024-11-12 20:13:04,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046040642] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:13:04,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520288640] [2024-11-12 20:13:04,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:13:04,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:13:04,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:13:04,438 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 20:13:04,439 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 20:13:04,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:04,638 INFO L256 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-12 20:13:04,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:13:04,815 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 20:13:04,815 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 20:13:04,943 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 20:13:04,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520288640] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 20:13:04,943 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 20:13:04,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-11-12 20:13:04,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154708555] [2024-11-12 20:13:04,943 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 20:13:04,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 20:13:04,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:13:04,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 20:13:04,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-12 20:13:04,945 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 20:13:05,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:13:05,219 INFO L93 Difference]: Finished difference Result 847 states and 1187 transitions. [2024-11-12 20:13:05,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 20:13:05,219 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 20:13:05,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:13:05,222 INFO L225 Difference]: With dead ends: 847 [2024-11-12 20:13:05,222 INFO L226 Difference]: Without dead ends: 846 [2024-11-12 20:13:05,222 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 20:13:05,222 INFO L435 NwaCegarLoop]: 331 mSDtfsCounter, 847 mSDsluCounter, 2618 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 857 SdHoareTripleChecker+Valid, 2949 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 20:13:05,222 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [857 Valid, 2949 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 20:13:05,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2024-11-12 20:13:05,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 835. [2024-11-12 20:13:05,235 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 20:13:05,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 1161 transitions. [2024-11-12 20:13:05,237 INFO L78 Accepts]: Start accepts. Automaton has 835 states and 1161 transitions. Word has length 100 [2024-11-12 20:13:05,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:13:05,237 INFO L471 AbstractCegarLoop]: Abstraction has 835 states and 1161 transitions. [2024-11-12 20:13:05,238 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 20:13:05,238 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1161 transitions. [2024-11-12 20:13:05,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-12 20:13:05,238 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:13:05,239 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 20:13:05,253 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-12 20:13:05,439 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 20:13:05,439 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 20:13:05,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:13:05,440 INFO L85 PathProgramCache]: Analyzing trace with hash -719286645, now seen corresponding path program 1 times [2024-11-12 20:13:05,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:13:05,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460791259] [2024-11-12 20:13:05,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:13:05,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:13:05,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:05,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 20:13:05,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:05,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 20:13:05,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:05,871 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 20:13:05,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:13:05,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460791259] [2024-11-12 20:13:05,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460791259] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:13:05,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375158064] [2024-11-12 20:13:05,872 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:13:05,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:13:05,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:13:05,873 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 20:13:05,876 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 20:13:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:06,086 INFO L256 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-12 20:13:06,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:13:06,243 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 20:13:06,243 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 20:13:06,365 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 20:13:06,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375158064] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 20:13:06,366 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 20:13:06,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-11-12 20:13:06,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078213245] [2024-11-12 20:13:06,366 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 20:13:06,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 20:13:06,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:13:06,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 20:13:06,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-12 20:13:06,367 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 20:13:06,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:13:06,576 INFO L93 Difference]: Finished difference Result 847 states and 1184 transitions. [2024-11-12 20:13:06,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 20:13:06,577 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 20:13:06,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:13:06,580 INFO L225 Difference]: With dead ends: 847 [2024-11-12 20:13:06,580 INFO L226 Difference]: Without dead ends: 846 [2024-11-12 20:13:06,580 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 20:13:06,580 INFO L435 NwaCegarLoop]: 332 mSDtfsCounter, 797 mSDsluCounter, 2098 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 807 SdHoareTripleChecker+Valid, 2430 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 20:13:06,581 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [807 Valid, 2430 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 20:13:06,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2024-11-12 20:13:06,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 836. [2024-11-12 20:13:06,594 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 20:13:06,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1160 transitions. [2024-11-12 20:13:06,596 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1160 transitions. Word has length 101 [2024-11-12 20:13:06,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:13:06,596 INFO L471 AbstractCegarLoop]: Abstraction has 836 states and 1160 transitions. [2024-11-12 20:13:06,596 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 20:13:06,596 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1160 transitions. [2024-11-12 20:13:06,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-12 20:13:06,598 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:13:06,598 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 20:13:06,611 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 20:13:06,801 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 20:13:06,802 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 20:13:06,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:13:06,802 INFO L85 PathProgramCache]: Analyzing trace with hash 61854730, now seen corresponding path program 1 times [2024-11-12 20:13:06,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:13:06,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831601658] [2024-11-12 20:13:06,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:13:06,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:13:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:07,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 20:13:07,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:07,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 20:13:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:07,118 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 20:13:07,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:13:07,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831601658] [2024-11-12 20:13:07,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831601658] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:13:07,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [763855959] [2024-11-12 20:13:07,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:13:07,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:13:07,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:13:07,121 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 20:13:07,121 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 20:13:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:07,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 20:13:07,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:13:07,579 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 20:13:07,579 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 20:13:07,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [763855959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:13:07,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 20:13:07,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-11-12 20:13:07,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592677010] [2024-11-12 20:13:07,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:13:07,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 20:13:07,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:13:07,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 20:13:07,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-12 20:13:07,581 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 20:13:07,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:13:07,620 INFO L93 Difference]: Finished difference Result 836 states and 1160 transitions. [2024-11-12 20:13:07,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 20:13:07,620 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 20:13:07,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:13:07,623 INFO L225 Difference]: With dead ends: 836 [2024-11-12 20:13:07,623 INFO L226 Difference]: Without dead ends: 835 [2024-11-12 20:13:07,623 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 20:13:07,624 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 20:13:07,624 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 20:13:07,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2024-11-12 20:13:07,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 835. [2024-11-12 20:13:07,636 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 20:13:07,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 1157 transitions. [2024-11-12 20:13:07,638 INFO L78 Accepts]: Start accepts. Automaton has 835 states and 1157 transitions. Word has length 174 [2024-11-12 20:13:07,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:13:07,638 INFO L471 AbstractCegarLoop]: Abstraction has 835 states and 1157 transitions. [2024-11-12 20:13:07,639 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 20:13:07,639 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1157 transitions. [2024-11-12 20:13:07,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2024-11-12 20:13:07,641 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:13:07,641 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 20:13:07,656 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 20:13:07,841 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 20:13:07,842 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 20:13:07,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:13:07,842 INFO L85 PathProgramCache]: Analyzing trace with hash 837795729, now seen corresponding path program 1 times [2024-11-12 20:13:07,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:13:07,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404094749] [2024-11-12 20:13:07,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:13:07,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:13:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:08,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 20:13:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:08,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 20:13:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:08,164 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 20:13:08,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:13:08,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404094749] [2024-11-12 20:13:08,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404094749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:13:08,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:13:08,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 20:13:08,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415889722] [2024-11-12 20:13:08,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:13:08,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 20:13:08,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:13:08,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 20:13:08,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 20:13:08,168 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 20:13:08,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:13:08,348 INFO L93 Difference]: Finished difference Result 838 states and 1172 transitions. [2024-11-12 20:13:08,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 20:13:08,349 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 20:13:08,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:13:08,351 INFO L225 Difference]: With dead ends: 838 [2024-11-12 20:13:08,351 INFO L226 Difference]: Without dead ends: 837 [2024-11-12 20:13:08,352 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 20:13:08,352 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 20:13:08,352 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 20:13:08,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2024-11-12 20:13:08,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 834. [2024-11-12 20:13:08,364 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 20:13:08,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1155 transitions. [2024-11-12 20:13:08,366 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1155 transitions. Word has length 254 [2024-11-12 20:13:08,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:13:08,367 INFO L471 AbstractCegarLoop]: Abstraction has 834 states and 1155 transitions. [2024-11-12 20:13:08,367 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 20:13:08,367 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1155 transitions. [2024-11-12 20:13:08,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-11-12 20:13:08,369 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:13:08,369 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 20:13:08,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 20:13:08,369 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 20:13:08,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:13:08,370 INFO L85 PathProgramCache]: Analyzing trace with hash 773338972, now seen corresponding path program 1 times [2024-11-12 20:13:08,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:13:08,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857782567] [2024-11-12 20:13:08,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:13:08,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:13:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:08,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 20:13:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:08,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 20:13:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:08,926 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 20:13:08,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:13:08,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857782567] [2024-11-12 20:13:08,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857782567] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:13:08,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770914489] [2024-11-12 20:13:08,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:13:08,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:13:08,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:13:08,929 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 20:13:08,929 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 20:13:09,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:09,359 INFO L256 TraceCheckSpWp]: Trace formula consists of 1285 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-12 20:13:09,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:13:09,818 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 20:13:09,819 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 20:13:10,120 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 20:13:10,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [770914489] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 20:13:10,121 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 20:13:10,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 19 [2024-11-12 20:13:10,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962964035] [2024-11-12 20:13:10,121 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 20:13:10,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-12 20:13:10,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:13:10,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-12 20:13:10,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2024-11-12 20:13:10,124 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 20:13:10,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:13:10,456 INFO L93 Difference]: Finished difference Result 1456 states and 2041 transitions. [2024-11-12 20:13:10,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-12 20:13:10,456 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 20:13:10,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:13:10,461 INFO L225 Difference]: With dead ends: 1456 [2024-11-12 20:13:10,461 INFO L226 Difference]: Without dead ends: 1449 [2024-11-12 20:13:10,462 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 20:13:10,462 INFO L435 NwaCegarLoop]: 417 mSDtfsCounter, 3076 mSDsluCounter, 3148 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3114 SdHoareTripleChecker+Valid, 3565 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 20:13:10,463 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3114 Valid, 3565 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 20:13:10,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1449 states. [2024-11-12 20:13:10,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1449 to 1442. [2024-11-12 20:13:10,485 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 20:13:10,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1442 states and 2006 transitions. [2024-11-12 20:13:10,489 INFO L78 Accepts]: Start accepts. Automaton has 1442 states and 2006 transitions. Word has length 258 [2024-11-12 20:13:10,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:13:10,489 INFO L471 AbstractCegarLoop]: Abstraction has 1442 states and 2006 transitions. [2024-11-12 20:13:10,490 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 20:13:10,490 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 2006 transitions. [2024-11-12 20:13:10,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2024-11-12 20:13:10,493 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:13:10,493 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 20:13:10,513 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-12 20:13:10,697 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 20:13:10,697 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 20:13:10,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:13:10,698 INFO L85 PathProgramCache]: Analyzing trace with hash -660072072, now seen corresponding path program 1 times [2024-11-12 20:13:10,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:13:10,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22426595] [2024-11-12 20:13:10,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:13:10,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:13:10,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:12,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 20:13:12,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:12,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 20:13:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:12,951 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 20:13:12,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:13:12,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22426595] [2024-11-12 20:13:12,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22426595] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:13:12,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523726586] [2024-11-12 20:13:12,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:13:12,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:13:12,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:13:12,955 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 20:13:12,960 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 20:13:13,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:13,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 1687 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-12 20:13:13,511 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:13:13,953 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 20:13:13,954 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 20:13:14,404 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 20:13:14,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523726586] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 20:13:14,404 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 20:13:14,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 28 [2024-11-12 20:13:14,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036176051] [2024-11-12 20:13:14,405 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 20:13:14,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-12 20:13:14,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:13:14,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-12 20:13:14,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=552, Unknown=0, NotChecked=0, Total=812 [2024-11-12 20:13:14,407 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 20:13:14,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:13:14,932 INFO L93 Difference]: Finished difference Result 2074 states and 2924 transitions. [2024-11-12 20:13:14,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-12 20:13:14,933 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 20:13:14,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:13:14,939 INFO L225 Difference]: With dead ends: 2074 [2024-11-12 20:13:14,940 INFO L226 Difference]: Without dead ends: 2073 [2024-11-12 20:13:14,940 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 20:13:14,941 INFO L435 NwaCegarLoop]: 372 mSDtfsCounter, 3143 mSDsluCounter, 4577 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3189 SdHoareTripleChecker+Valid, 4949 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 20:13:14,941 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3189 Valid, 4949 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 20:13:14,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2073 states. [2024-11-12 20:13:14,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2073 to 2057. [2024-11-12 20:13:14,972 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 20:13:14,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2057 states to 2057 states and 2865 transitions. [2024-11-12 20:13:14,979 INFO L78 Accepts]: Start accepts. Automaton has 2057 states and 2865 transitions. Word has length 337 [2024-11-12 20:13:14,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:13:14,979 INFO L471 AbstractCegarLoop]: Abstraction has 2057 states and 2865 transitions. [2024-11-12 20:13:14,979 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 20:13:14,980 INFO L276 IsEmpty]: Start isEmpty. Operand 2057 states and 2865 transitions. [2024-11-12 20:13:14,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2024-11-12 20:13:14,983 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:13:14,984 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 20:13:15,002 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-12 20:13:15,188 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 20:13:15,188 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 20:13:15,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:13:15,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1012602315, now seen corresponding path program 1 times [2024-11-12 20:13:15,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:13:15,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308111159] [2024-11-12 20:13:15,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:13:15,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:13:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:17,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 20:13:17,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:17,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 20:13:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:17,071 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 20:13:17,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:13:17,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308111159] [2024-11-12 20:13:17,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308111159] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:13:17,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [692328530] [2024-11-12 20:13:17,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:13:17,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:13:17,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:13:17,074 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 20:13:17,075 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 20:13:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:17,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 1688 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-12 20:13:17,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:13:18,017 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 20:13:18,018 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 20:13:18,394 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 20:13:18,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [692328530] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 20:13:18,394 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 20:13:18,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 28 [2024-11-12 20:13:18,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913086852] [2024-11-12 20:13:18,395 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 20:13:18,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-12 20:13:18,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:13:18,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-12 20:13:18,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=552, Unknown=0, NotChecked=0, Total=812 [2024-11-12 20:13:18,397 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 20:13:18,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:13:18,918 INFO L93 Difference]: Finished difference Result 2074 states and 2918 transitions. [2024-11-12 20:13:18,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-12 20:13:18,919 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 20:13:18,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:13:18,925 INFO L225 Difference]: With dead ends: 2074 [2024-11-12 20:13:18,926 INFO L226 Difference]: Without dead ends: 2073 [2024-11-12 20:13:18,927 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 694 GetRequests, 662 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 389 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=340, Invalid=782, Unknown=0, NotChecked=0, Total=1122 [2024-11-12 20:13:18,927 INFO L435 NwaCegarLoop]: 459 mSDtfsCounter, 4846 mSDsluCounter, 5927 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4892 SdHoareTripleChecker+Valid, 6386 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 20:13:18,927 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4892 Valid, 6386 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 20:13:18,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2073 states. [2024-11-12 20:13:18,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2073 to 2058. [2024-11-12 20:13:18,956 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 20:13:18,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2058 states to 2058 states and 2861 transitions. [2024-11-12 20:13:18,961 INFO L78 Accepts]: Start accepts. Automaton has 2058 states and 2861 transitions. Word has length 338 [2024-11-12 20:13:18,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:13:18,961 INFO L471 AbstractCegarLoop]: Abstraction has 2058 states and 2861 transitions. [2024-11-12 20:13:18,962 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 20:13:18,962 INFO L276 IsEmpty]: Start isEmpty. Operand 2058 states and 2861 transitions. [2024-11-12 20:13:18,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2024-11-12 20:13:18,968 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:13:18,969 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 20:13:19,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-12 20:13:19,172 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 20:13:19,173 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 20:13:19,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:13:19,174 INFO L85 PathProgramCache]: Analyzing trace with hash 354486108, now seen corresponding path program 2 times [2024-11-12 20:13:19,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:13:19,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772724621] [2024-11-12 20:13:19,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:13:19,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:13:19,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:20,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 20:13:20,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:20,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 20:13:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:13:20,493 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 20:13:20,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:13:20,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772724621] [2024-11-12 20:13:20,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772724621] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:13:20,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1481623696] [2024-11-12 20:13:20,494 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 20:13:20,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:13:20,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:13:20,495 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 20:13:20,496 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 20:13:21,249 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 20:13:21,249 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 20:13:21,260 INFO L256 TraceCheckSpWp]: Trace formula consists of 2765 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-12 20:13:21,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:13:21,775 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 20:13:21,777 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 20:13:22,349 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 20:13:22,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1481623696] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 20:13:22,350 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 20:13:22,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 24 [2024-11-12 20:13:22,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959071943] [2024-11-12 20:13:22,350 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 20:13:22,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-12 20:13:22,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:13:22,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-12 20:13:22,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2024-11-12 20:13:22,353 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 20:13:22,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:13:22,912 INFO L93 Difference]: Finished difference Result 2068 states and 2901 transitions. [2024-11-12 20:13:22,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-12 20:13:22,913 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 20:13:22,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:13:22,921 INFO L225 Difference]: With dead ends: 2068 [2024-11-12 20:13:22,921 INFO L226 Difference]: Without dead ends: 2061 [2024-11-12 20:13:22,923 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 20:13:22,923 INFO L435 NwaCegarLoop]: 374 mSDtfsCounter, 3353 mSDsluCounter, 4119 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3405 SdHoareTripleChecker+Valid, 4493 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 20:13:22,923 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3405 Valid, 4493 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 20:13:22,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2061 states. [2024-11-12 20:13:22,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2061 to 2058. [2024-11-12 20:13:22,964 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 20:13:22,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2058 states to 2058 states and 2858 transitions. [2024-11-12 20:13:22,969 INFO L78 Accepts]: Start accepts. Automaton has 2058 states and 2858 transitions. Word has length 574 [2024-11-12 20:13:22,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:13:22,970 INFO L471 AbstractCegarLoop]: Abstraction has 2058 states and 2858 transitions. [2024-11-12 20:13:22,971 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 20:13:22,971 INFO L276 IsEmpty]: Start isEmpty. Operand 2058 states and 2858 transitions. [2024-11-12 20:13:22,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 812 [2024-11-12 20:13:22,988 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:13:22,988 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 20:13:23,018 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 20:13:23,192 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 20:13:23,193 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 20:13:23,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:13:23,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1702418404, now seen corresponding path program 3 times [2024-11-12 20:13:23,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:13:23,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312132368] [2024-11-12 20:13:23,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:13:23,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms