./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 16:20:29,482 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 16:20:29,534 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 16:20:29,537 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 16:20:29,538 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 16:20:29,573 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 16:20:29,574 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 16:20:29,574 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 16:20:29,575 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 16:20:29,586 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 16:20:29,587 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 16:20:29,587 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 16:20:29,588 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 16:20:29,588 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 16:20:29,589 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 16:20:29,590 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 16:20:29,590 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 16:20:29,590 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 16:20:29,593 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 16:20:29,593 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 16:20:29,593 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 16:20:29,593 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 16:20:29,594 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 16:20:29,594 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 16:20:29,594 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 16:20:29,594 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 16:20:29,594 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 16:20:29,594 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 16:20:29,595 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 16:20:29,595 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 16:20:29,595 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 16:20:29,595 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 16:20:29,595 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 16:20:29,595 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 16:20:29,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:20:29,596 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 16:20:29,596 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 16:20:29,596 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 16:20:29,596 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 16:20:29,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 16:20:29,596 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 16:20:29,597 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 16:20:29,597 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 16:20:29,597 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 16:20:29,598 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f [2024-10-13 16:20:29,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 16:20:29,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 16:20:29,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 16:20:29,810 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 16:20:29,810 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 16:20:29,811 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-1.i [2024-10-13 16:20:30,988 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 16:20:31,201 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 16:20:31,201 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-1.i [2024-10-13 16:20:31,217 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e93d4874d/8c80e003e31141bbb7b56b984b82df61/FLAG4468304b2 [2024-10-13 16:20:31,548 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e93d4874d/8c80e003e31141bbb7b56b984b82df61 [2024-10-13 16:20:31,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 16:20:31,551 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 16:20:31,552 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 16:20:31,552 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 16:20:31,560 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 16:20:31,561 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:20:31" (1/1) ... [2024-10-13 16:20:31,561 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f49bfc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:20:31, skipping insertion in model container [2024-10-13 16:20:31,562 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:20:31" (1/1) ... [2024-10-13 16:20:31,598 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 16:20:32,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:20:32,033 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 16:20:32,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:20:32,158 INFO L204 MainTranslator]: Completed translation [2024-10-13 16:20:32,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:20:32 WrapperNode [2024-10-13 16:20:32,159 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 16:20:32,160 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 16:20:32,160 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 16:20:32,160 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 16:20:32,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:20:32" (1/1) ... [2024-10-13 16:20:32,189 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:20:32" (1/1) ... [2024-10-13 16:20:32,247 INFO L138 Inliner]: procedures = 176, calls = 326, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1555 [2024-10-13 16:20:32,247 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 16:20:32,248 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 16:20:32,248 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 16:20:32,248 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 16:20:32,256 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:20:32" (1/1) ... [2024-10-13 16:20:32,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:20:32" (1/1) ... [2024-10-13 16:20:32,270 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:20:32" (1/1) ... [2024-10-13 16:20:32,342 INFO L175 MemorySlicer]: Split 309 memory accesses to 2 slices as follows [2, 307]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 82 writes are split as follows [0, 82]. [2024-10-13 16:20:32,343 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:20:32" (1/1) ... [2024-10-13 16:20:32,343 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:20:32" (1/1) ... [2024-10-13 16:20:32,382 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:20:32" (1/1) ... [2024-10-13 16:20:32,395 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:20:32" (1/1) ... [2024-10-13 16:20:32,400 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:20:32" (1/1) ... [2024-10-13 16:20:32,405 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:20:32" (1/1) ... [2024-10-13 16:20:32,413 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 16:20:32,414 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 16:20:32,414 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 16:20:32,414 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 16:20:32,415 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:20:32" (1/1) ... [2024-10-13 16:20:32,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:20:32,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:20:32,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 16:20:32,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 16:20:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 16:20:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 16:20:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 16:20:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 16:20:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-13 16:20:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-13 16:20:32,483 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-13 16:20:32,483 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-13 16:20:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-13 16:20:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 16:20:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-13 16:20:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-13 16:20:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-13 16:20:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-13 16:20:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 16:20:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 16:20:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 16:20:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 16:20:32,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 16:20:32,672 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 16:20:32,674 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 16:20:33,846 INFO L? ?]: Removed 381 outVars from TransFormulas that were not future-live. [2024-10-13 16:20:33,847 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 16:20:33,881 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 16:20:33,882 INFO L314 CfgBuilder]: Removed 60 assume(true) statements. [2024-10-13 16:20:33,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:20:33 BoogieIcfgContainer [2024-10-13 16:20:33,883 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 16:20:33,884 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 16:20:33,885 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 16:20:33,887 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 16:20:33,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:20:31" (1/3) ... [2024-10-13 16:20:33,888 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef72e53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:20:33, skipping insertion in model container [2024-10-13 16:20:33,888 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:20:32" (2/3) ... [2024-10-13 16:20:33,888 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef72e53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:20:33, skipping insertion in model container [2024-10-13 16:20:33,888 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:20:33" (3/3) ... [2024-10-13 16:20:33,892 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_nondet_test4-1.i [2024-10-13 16:20:33,904 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 16:20:33,904 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-13 16:20:33,952 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 16:20:33,956 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;@3f743275, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 16:20:33,958 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-13 16:20:33,962 INFO L276 IsEmpty]: Start isEmpty. Operand has 408 states, 396 states have (on average 1.621212121212121) internal successors, (642), 400 states have internal predecessors, (642), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 16:20:33,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-13 16:20:33,966 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:20:33,966 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-13 16:20:33,967 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-13 16:20:33,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:20:33,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1988383281, now seen corresponding path program 1 times [2024-10-13 16:20:33,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:20:33,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444613073] [2024-10-13 16:20:33,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:20:33,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:20:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:20:34,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:20:34,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:20:34,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444613073] [2024-10-13 16:20:34,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444613073] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:20:34,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:20:34,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:20:34,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759503087] [2024-10-13 16:20:34,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:20:34,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 16:20:34,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:20:34,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 16:20:34,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 16:20:34,132 INFO L87 Difference]: Start difference. First operand has 408 states, 396 states have (on average 1.621212121212121) internal successors, (642), 400 states have internal predecessors, (642), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:20:34,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:20:34,199 INFO L93 Difference]: Finished difference Result 812 states and 1304 transitions. [2024-10-13 16:20:34,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 16:20:34,202 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-13 16:20:34,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:20:34,211 INFO L225 Difference]: With dead ends: 812 [2024-10-13 16:20:34,211 INFO L226 Difference]: Without dead ends: 396 [2024-10-13 16:20:34,215 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 16:20:34,218 INFO L432 NwaCegarLoop]: 579 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 16:20:34,220 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 579 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:20:34,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-10-13 16:20:34,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 396. [2024-10-13 16:20:34,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 386 states have (on average 1.4455958549222798) internal successors, (558), 388 states have internal predecessors, (558), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 16:20:34,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 570 transitions. [2024-10-13 16:20:34,271 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 570 transitions. Word has length 6 [2024-10-13 16:20:34,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:20:34,271 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 570 transitions. [2024-10-13 16:20:34,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:20:34,273 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 570 transitions. [2024-10-13 16:20:34,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-13 16:20:34,273 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:20:34,273 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:20:34,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 16:20:34,274 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-13 16:20:34,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:20:34,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1510279913, now seen corresponding path program 1 times [2024-10-13 16:20:34,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:20:34,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077124958] [2024-10-13 16:20:34,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:20:34,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:20:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 16:20:34,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [789722005] [2024-10-13 16:20:34,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:20:34,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:20:34,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:20:34,303 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 16:20:34,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 16:20:34,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:20:34,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 16:20:34,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:20:34,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:20:34,462 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:20:34,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:20:34,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077124958] [2024-10-13 16:20:34,466 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 16:20:34,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [789722005] [2024-10-13 16:20:34,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [789722005] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:20:34,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:20:34,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:20:34,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276902035] [2024-10-13 16:20:34,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:20:34,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:20:34,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:20:34,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:20:34,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:20:34,486 INFO L87 Difference]: Start difference. First operand 396 states and 570 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:20:34,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:20:34,551 INFO L93 Difference]: Finished difference Result 783 states and 1131 transitions. [2024-10-13 16:20:34,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:20:34,552 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-13 16:20:34,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:20:34,558 INFO L225 Difference]: With dead ends: 783 [2024-10-13 16:20:34,558 INFO L226 Difference]: Without dead ends: 782 [2024-10-13 16:20:34,558 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:20:34,559 INFO L432 NwaCegarLoop]: 610 mSDtfsCounter, 543 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 1170 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 16:20:34,560 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 1170 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:20:34,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2024-10-13 16:20:34,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 401. [2024-10-13 16:20:34,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 391 states have (on average 1.4398976982097187) internal successors, (563), 393 states have internal predecessors, (563), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 16:20:34,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 575 transitions. [2024-10-13 16:20:34,592 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 575 transitions. Word has length 7 [2024-10-13 16:20:34,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:20:34,593 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 575 transitions. [2024-10-13 16:20:34,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:20:34,593 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 575 transitions. [2024-10-13 16:20:34,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-10-13 16:20:34,600 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:20:34,600 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:20:34,616 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 16:20:34,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:20:34,801 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-13 16:20:34,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:20:34,802 INFO L85 PathProgramCache]: Analyzing trace with hash -524469715, now seen corresponding path program 1 times [2024-10-13 16:20:34,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:20:34,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935351949] [2024-10-13 16:20:34,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:20:34,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:20:34,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:20:35,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:20:35,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:20:35,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935351949] [2024-10-13 16:20:35,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935351949] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:20:35,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:20:35,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 16:20:35,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950654104] [2024-10-13 16:20:35,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:20:35,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:20:35,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:20:35,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:20:35,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:20:35,332 INFO L87 Difference]: Start difference. First operand 401 states and 575 transitions. Second operand has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:20:35,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:20:35,401 INFO L93 Difference]: Finished difference Result 798 states and 1146 transitions. [2024-10-13 16:20:35,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:20:35,402 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 151 [2024-10-13 16:20:35,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:20:35,404 INFO L225 Difference]: With dead ends: 798 [2024-10-13 16:20:35,404 INFO L226 Difference]: Without dead ends: 404 [2024-10-13 16:20:35,404 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:20:35,405 INFO L432 NwaCegarLoop]: 540 mSDtfsCounter, 105 mSDsluCounter, 989 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1529 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 16:20:35,405 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1529 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 16:20:35,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-10-13 16:20:35,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 401. [2024-10-13 16:20:35,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 391 states have (on average 1.421994884910486) internal successors, (556), 393 states have internal predecessors, (556), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 16:20:35,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 568 transitions. [2024-10-13 16:20:35,436 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 568 transitions. Word has length 151 [2024-10-13 16:20:35,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:20:35,437 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 568 transitions. [2024-10-13 16:20:35,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:20:35,437 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 568 transitions. [2024-10-13 16:20:35,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-10-13 16:20:35,443 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:20:35,443 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:20:35,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 16:20:35,443 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-13 16:20:35,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:20:35,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1973196103, now seen corresponding path program 1 times [2024-10-13 16:20:35,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:20:35,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650851579] [2024-10-13 16:20:35,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:20:35,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:20:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:20:35,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:20:35,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:20:35,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650851579] [2024-10-13 16:20:35,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650851579] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:20:35,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:20:35,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:20:35,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130116640] [2024-10-13 16:20:35,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:20:35,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:20:35,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:20:35,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:20:35,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:20:35,619 INFO L87 Difference]: Start difference. First operand 401 states and 568 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 2 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:20:35,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:20:35,657 INFO L93 Difference]: Finished difference Result 922 states and 1316 transitions. [2024-10-13 16:20:35,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:20:35,658 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 2 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 151 [2024-10-13 16:20:35,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:20:35,660 INFO L225 Difference]: With dead ends: 922 [2024-10-13 16:20:35,661 INFO L226 Difference]: Without dead ends: 528 [2024-10-13 16:20:35,663 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:20:35,663 INFO L432 NwaCegarLoop]: 560 mSDtfsCounter, 134 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1113 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 16:20:35,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1113 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:20:35,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2024-10-13 16:20:35,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2024-10-13 16:20:35,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 518 states have (on average 1.4324324324324325) internal successors, (742), 520 states have internal predecessors, (742), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 16:20:35,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 754 transitions. [2024-10-13 16:20:35,675 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 754 transitions. Word has length 151 [2024-10-13 16:20:35,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:20:35,676 INFO L471 AbstractCegarLoop]: Abstraction has 528 states and 754 transitions. [2024-10-13 16:20:35,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 2 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:20:35,676 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 754 transitions. [2024-10-13 16:20:35,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-10-13 16:20:35,678 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:20:35,678 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:20:35,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 16:20:35,680 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-13 16:20:35,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:20:35,680 INFO L85 PathProgramCache]: Analyzing trace with hash 944160931, now seen corresponding path program 1 times [2024-10-13 16:20:35,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:20:35,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779391288] [2024-10-13 16:20:35,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:20:35,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:20:35,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:20:35,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-13 16:20:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:20:35,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 16:20:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:20:35,989 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-13 16:20:35,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:20:35,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779391288] [2024-10-13 16:20:35,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779391288] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:20:35,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:20:35,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 16:20:35,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330996406] [2024-10-13 16:20:35,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:20:35,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 16:20:35,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:20:35,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 16:20:35,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:20:35,993 INFO L87 Difference]: Start difference. First operand 528 states and 754 transitions. Second operand has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 16:20:36,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:20:36,255 INFO L93 Difference]: Finished difference Result 882 states and 1257 transitions. [2024-10-13 16:20:36,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 16:20:36,255 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 164 [2024-10-13 16:20:36,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:20:36,258 INFO L225 Difference]: With dead ends: 882 [2024-10-13 16:20:36,258 INFO L226 Difference]: Without dead ends: 488 [2024-10-13 16:20:36,259 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-13 16:20:36,261 INFO L432 NwaCegarLoop]: 456 mSDtfsCounter, 35 mSDsluCounter, 1264 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 1720 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 16:20:36,261 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 1720 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 16:20:36,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2024-10-13 16:20:36,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 486. [2024-10-13 16:20:36,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 476 states have (on average 1.3970588235294117) internal successors, (665), 478 states have internal predecessors, (665), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 16:20:36,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 677 transitions. [2024-10-13 16:20:36,271 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 677 transitions. Word has length 164 [2024-10-13 16:20:36,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:20:36,272 INFO L471 AbstractCegarLoop]: Abstraction has 486 states and 677 transitions. [2024-10-13 16:20:36,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 16:20:36,275 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 677 transitions. [2024-10-13 16:20:36,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-10-13 16:20:36,276 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:20:36,276 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:20:36,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 16:20:36,277 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-13 16:20:36,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:20:36,277 INFO L85 PathProgramCache]: Analyzing trace with hash -369644719, now seen corresponding path program 1 times [2024-10-13 16:20:36,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:20:36,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778365307] [2024-10-13 16:20:36,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:20:36,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:20:36,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:20:36,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-13 16:20:36,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:20:36,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 16:20:36,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:20:36,491 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-13 16:20:36,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:20:36,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778365307] [2024-10-13 16:20:36,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778365307] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:20:36,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:20:36,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 16:20:36,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860771193] [2024-10-13 16:20:36,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:20:36,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:20:36,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:20:36,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:20:36,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:20:36,493 INFO L87 Difference]: Start difference. First operand 486 states and 677 transitions. Second operand has 4 states, 4 states have (on average 39.5) internal successors, (158), 3 states have internal predecessors, (158), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 16:20:36,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:20:36,717 INFO L93 Difference]: Finished difference Result 840 states and 1169 transitions. [2024-10-13 16:20:36,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:20:36,717 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.5) internal successors, (158), 3 states have internal predecessors, (158), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 164 [2024-10-13 16:20:36,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:20:36,719 INFO L225 Difference]: With dead ends: 840 [2024-10-13 16:20:36,720 INFO L226 Difference]: Without dead ends: 488 [2024-10-13 16:20:36,720 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:20:36,722 INFO L432 NwaCegarLoop]: 471 mSDtfsCounter, 4 mSDsluCounter, 834 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1305 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 16:20:36,722 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1305 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 16:20:36,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2024-10-13 16:20:36,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 486. [2024-10-13 16:20:36,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 476 states have (on average 1.3907563025210083) internal successors, (662), 478 states have internal predecessors, (662), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 16:20:36,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 674 transitions. [2024-10-13 16:20:36,733 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 674 transitions. Word has length 164 [2024-10-13 16:20:36,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:20:36,735 INFO L471 AbstractCegarLoop]: Abstraction has 486 states and 674 transitions. [2024-10-13 16:20:36,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.5) internal successors, (158), 3 states have internal predecessors, (158), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 16:20:36,735 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 674 transitions. [2024-10-13 16:20:36,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-10-13 16:20:36,736 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:20:36,736 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:20:36,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 16:20:36,737 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-13 16:20:36,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:20:36,737 INFO L85 PathProgramCache]: Analyzing trace with hash 928900759, now seen corresponding path program 1 times [2024-10-13 16:20:36,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:20:36,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051342192] [2024-10-13 16:20:36,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:20:36,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:20:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:20:36,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-13 16:20:36,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:20:36,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 16:20:36,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:20:36,977 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-13 16:20:36,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:20:36,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051342192] [2024-10-13 16:20:36,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051342192] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:20:36,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:20:36,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 16:20:36,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811999208] [2024-10-13 16:20:36,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:20:36,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:20:36,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:20:36,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:20:36,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:20:36,995 INFO L87 Difference]: Start difference. First operand 486 states and 674 transitions. Second operand has 4 states, 4 states have (on average 39.5) internal successors, (158), 3 states have internal predecessors, (158), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 16:20:37,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:20:37,240 INFO L93 Difference]: Finished difference Result 986 states and 1361 transitions. [2024-10-13 16:20:37,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:20:37,240 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.5) internal successors, (158), 3 states have internal predecessors, (158), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 164 [2024-10-13 16:20:37,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:20:37,243 INFO L225 Difference]: With dead ends: 986 [2024-10-13 16:20:37,243 INFO L226 Difference]: Without dead ends: 634 [2024-10-13 16:20:37,243 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:20:37,244 INFO L432 NwaCegarLoop]: 476 mSDtfsCounter, 245 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 1332 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 16:20:37,244 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 1332 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 16:20:37,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2024-10-13 16:20:37,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 632. [2024-10-13 16:20:37,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 632 states, 619 states have (on average 1.3731825525040389) internal successors, (850), 621 states have internal predecessors, (850), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-13 16:20:37,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 868 transitions. [2024-10-13 16:20:37,259 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 868 transitions. Word has length 164 [2024-10-13 16:20:37,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:20:37,260 INFO L471 AbstractCegarLoop]: Abstraction has 632 states and 868 transitions. [2024-10-13 16:20:37,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.5) internal successors, (158), 3 states have internal predecessors, (158), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 16:20:37,260 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 868 transitions. [2024-10-13 16:20:37,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-10-13 16:20:37,262 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:20:37,262 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:20:37,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 16:20:37,262 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-13 16:20:37,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:20:37,263 INFO L85 PathProgramCache]: Analyzing trace with hash -2047643625, now seen corresponding path program 1 times [2024-10-13 16:20:37,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:20:37,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920017352] [2024-10-13 16:20:37,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:20:37,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:20:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:20:37,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-13 16:20:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:20:37,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 16:20:37,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:20:37,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 16:20:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:20:37,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 16:20:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:20:37,532 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 16:20:37,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:20:37,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920017352] [2024-10-13 16:20:37,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920017352] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:20:37,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:20:37,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 16:20:37,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522346002] [2024-10-13 16:20:37,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:20:37,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 16:20:37,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:20:37,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 16:20:37,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:20:37,534 INFO L87 Difference]: Start difference. First operand 632 states and 868 transitions. Second operand has 5 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:20:37,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:20:37,767 INFO L93 Difference]: Finished difference Result 700 states and 968 transitions. [2024-10-13 16:20:37,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 16:20:37,768 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 177 [2024-10-13 16:20:37,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:20:37,770 INFO L225 Difference]: With dead ends: 700 [2024-10-13 16:20:37,771 INFO L226 Difference]: Without dead ends: 698 [2024-10-13 16:20:37,771 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:20:37,771 INFO L432 NwaCegarLoop]: 470 mSDtfsCounter, 297 mSDsluCounter, 1318 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 1788 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 16:20:37,772 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 1788 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 16:20:37,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2024-10-13 16:20:37,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 696. [2024-10-13 16:20:37,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 696 states, 680 states have (on average 1.3647058823529412) internal successors, (928), 682 states have internal predecessors, (928), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-13 16:20:37,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 952 transitions. [2024-10-13 16:20:37,785 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 952 transitions. Word has length 177 [2024-10-13 16:20:37,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:20:37,785 INFO L471 AbstractCegarLoop]: Abstraction has 696 states and 952 transitions. [2024-10-13 16:20:37,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:20:37,786 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 952 transitions. [2024-10-13 16:20:37,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-10-13 16:20:37,787 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:20:37,787 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:20:37,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 16:20:37,787 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-13 16:20:37,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:20:37,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1493612954, now seen corresponding path program 1 times [2024-10-13 16:20:37,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:20:37,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95453257] [2024-10-13 16:20:37,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:20:37,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:20:38,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:20:38,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-13 16:20:38,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:20:38,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 16:20:38,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:20:38,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 16:20:38,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:20:38,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 16:20:38,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:20:38,464 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 16:20:38,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:20:38,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95453257] [2024-10-13 16:20:38,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95453257] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:20:38,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [771897312] [2024-10-13 16:20:38,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:20:38,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:20:38,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:20:38,466 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 16:20:38,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 16:20:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:20:38,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-13 16:20:38,898 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:20:38,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-13 16:20:38,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-10-13 16:20:39,291 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 16:20:39,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 38 [2024-10-13 16:20:39,522 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 16:20:39,522 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:20:39,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [771897312] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:20:39,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 16:20:39,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-10-13 16:20:39,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492827616] [2024-10-13 16:20:39,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:20:39,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 16:20:39,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:20:39,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 16:20:39,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-10-13 16:20:39,526 INFO L87 Difference]: Start difference. First operand 696 states and 952 transitions. Second operand has 11 states, 11 states have (on average 15.363636363636363) internal successors, (169), 11 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:20:43,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-10-13 16:20:53,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-10-13 16:20:57,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-10-13 16:21:01,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-10-13 16:21:06,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-10-13 16:21:09,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.91s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-10-13 16:21:13,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-10-13 16:21:17,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-10-13 16:21:21,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:21:21,123 INFO L93 Difference]: Finished difference Result 1358 states and 1851 transitions. [2024-10-13 16:21:21,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 16:21:21,124 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 15.363636363636363) internal successors, (169), 11 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 183 [2024-10-13 16:21:21,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:21:21,126 INFO L225 Difference]: With dead ends: 1358 [2024-10-13 16:21:21,126 INFO L226 Difference]: Without dead ends: 749 [2024-10-13 16:21:21,127 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=92, Invalid=369, Unknown=1, NotChecked=0, Total=462 [2024-10-13 16:21:21,129 INFO L432 NwaCegarLoop]: 515 mSDtfsCounter, 743 mSDsluCounter, 3070 mSDsCounter, 0 mSdLazyCounter, 1746 mSolverCounterSat, 7 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 748 SdHoareTripleChecker+Valid, 3585 SdHoareTripleChecker+Invalid, 1761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1746 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.8s IncrementalHoareTripleChecker+Time [2024-10-13 16:21:21,129 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [748 Valid, 3585 Invalid, 1761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1746 Invalid, 8 Unknown, 0 Unchecked, 35.8s Time] [2024-10-13 16:21:21,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2024-10-13 16:21:21,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 730. [2024-10-13 16:21:21,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 730 states, 714 states have (on average 1.3599439775910365) internal successors, (971), 716 states have internal predecessors, (971), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-13 16:21:21,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 995 transitions. [2024-10-13 16:21:21,144 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 995 transitions. Word has length 183 [2024-10-13 16:21:21,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:21:21,144 INFO L471 AbstractCegarLoop]: Abstraction has 730 states and 995 transitions. [2024-10-13 16:21:21,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.363636363636363) internal successors, (169), 11 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:21:21,145 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 995 transitions. [2024-10-13 16:21:21,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-10-13 16:21:21,146 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:21:21,146 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:21:21,162 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-13 16:21:21,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-10-13 16:21:21,348 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-13 16:21:21,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:21:21,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1148784792, now seen corresponding path program 1 times [2024-10-13 16:21:21,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:21:21,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17586868] [2024-10-13 16:21:21,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:21:21,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:21:21,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:21,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-13 16:21:21,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:21,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 16:21:21,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:21,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 16:21:21,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:21,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 16:21:21,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:21,547 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 16:21:21,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:21:21,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17586868] [2024-10-13 16:21:21,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17586868] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:21:21,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:21:21,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 16:21:21,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639021140] [2024-10-13 16:21:21,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:21:21,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 16:21:21,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:21:21,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 16:21:21,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:21:21,549 INFO L87 Difference]: Start difference. First operand 730 states and 995 transitions. Second operand has 5 states, 5 states have (on average 33.8) internal successors, (169), 4 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:21:22,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:21:22,115 INFO L93 Difference]: Finished difference Result 1303 states and 1778 transitions. [2024-10-13 16:21:22,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 16:21:22,116 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.8) internal successors, (169), 4 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 183 [2024-10-13 16:21:22,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:21:22,118 INFO L225 Difference]: With dead ends: 1303 [2024-10-13 16:21:22,118 INFO L226 Difference]: Without dead ends: 602 [2024-10-13 16:21:22,119 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-13 16:21:22,119 INFO L432 NwaCegarLoop]: 381 mSDtfsCounter, 11 mSDsluCounter, 1041 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 1422 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 16:21:22,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 1422 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 16:21:22,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2024-10-13 16:21:22,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 600. [2024-10-13 16:21:22,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 584 states have (on average 1.3133561643835616) internal successors, (767), 586 states have internal predecessors, (767), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-13 16:21:22,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 791 transitions. [2024-10-13 16:21:22,135 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 791 transitions. Word has length 183 [2024-10-13 16:21:22,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:21:22,135 INFO L471 AbstractCegarLoop]: Abstraction has 600 states and 791 transitions. [2024-10-13 16:21:22,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.8) internal successors, (169), 4 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:21:22,136 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 791 transitions. [2024-10-13 16:21:22,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-10-13 16:21:22,137 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:21:22,137 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:21:22,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 16:21:22,137 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-13 16:21:22,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:21:22,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1816344540, now seen corresponding path program 1 times [2024-10-13 16:21:22,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:21:22,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770058712] [2024-10-13 16:21:22,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:21:22,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:21:22,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:22,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 16:21:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:22,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 16:21:22,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:22,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 16:21:22,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:22,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 16:21:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:22,931 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 16:21:22,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:21:22,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770058712] [2024-10-13 16:21:22,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770058712] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:21:22,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297468461] [2024-10-13 16:21:22,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:21:22,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:21:22,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:21:22,933 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 16:21:22,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 16:21:23,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:23,346 INFO L255 TraceCheckSpWp]: Trace formula consists of 1030 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-13 16:21:23,352 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:21:23,464 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 16:21:23,464 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:21:23,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [297468461] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:21:23,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 16:21:23,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2024-10-13 16:21:23,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772120666] [2024-10-13 16:21:23,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:21:23,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:21:23,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:21:23,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:21:23,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-13 16:21:23,466 INFO L87 Difference]: Start difference. First operand 600 states and 791 transitions. Second operand has 4 states, 4 states have (on average 42.5) internal successors, (170), 4 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:21:23,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:21:23,706 INFO L93 Difference]: Finished difference Result 1161 states and 1541 transitions. [2024-10-13 16:21:23,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:21:23,706 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.5) internal successors, (170), 4 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 184 [2024-10-13 16:21:23,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:21:23,708 INFO L225 Difference]: With dead ends: 1161 [2024-10-13 16:21:23,708 INFO L226 Difference]: Without dead ends: 600 [2024-10-13 16:21:23,709 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-13 16:21:23,709 INFO L432 NwaCegarLoop]: 388 mSDtfsCounter, 13 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 1041 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 16:21:23,710 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 1041 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 16:21:23,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2024-10-13 16:21:23,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2024-10-13 16:21:23,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 584 states have (on average 1.3099315068493151) internal successors, (765), 586 states have internal predecessors, (765), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-13 16:21:23,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 789 transitions. [2024-10-13 16:21:23,720 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 789 transitions. Word has length 184 [2024-10-13 16:21:23,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:21:23,720 INFO L471 AbstractCegarLoop]: Abstraction has 600 states and 789 transitions. [2024-10-13 16:21:23,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.5) internal successors, (170), 4 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:21:23,721 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 789 transitions. [2024-10-13 16:21:23,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-13 16:21:23,722 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:21:23,722 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:21:23,737 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-13 16:21:23,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:21:23,923 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-13 16:21:23,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:21:23,923 INFO L85 PathProgramCache]: Analyzing trace with hash 684193025, now seen corresponding path program 1 times [2024-10-13 16:21:23,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:21:23,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959103929] [2024-10-13 16:21:23,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:21:23,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:21:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:24,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 16:21:24,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:24,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 16:21:24,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:24,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 16:21:24,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:24,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-13 16:21:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:24,350 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 16:21:24,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:21:24,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959103929] [2024-10-13 16:21:24,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959103929] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:21:24,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:21:24,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 16:21:24,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148970251] [2024-10-13 16:21:24,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:21:24,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 16:21:24,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:21:24,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 16:21:24,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-13 16:21:24,352 INFO L87 Difference]: Start difference. First operand 600 states and 789 transitions. Second operand has 7 states, 7 states have (on average 24.428571428571427) internal successors, (171), 6 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:21:25,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:21:25,282 INFO L93 Difference]: Finished difference Result 1166 states and 1557 transitions. [2024-10-13 16:21:25,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 16:21:25,282 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.428571428571427) internal successors, (171), 6 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 185 [2024-10-13 16:21:25,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:21:25,284 INFO L225 Difference]: With dead ends: 1166 [2024-10-13 16:21:25,284 INFO L226 Difference]: Without dead ends: 608 [2024-10-13 16:21:25,285 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-13 16:21:25,286 INFO L432 NwaCegarLoop]: 386 mSDtfsCounter, 6 mSDsluCounter, 1553 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1939 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-13 16:21:25,286 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1939 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-13 16:21:25,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2024-10-13 16:21:25,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 606. [2024-10-13 16:21:25,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 606 states, 590 states have (on average 1.306779661016949) internal successors, (771), 592 states have internal predecessors, (771), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-13 16:21:25,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 795 transitions. [2024-10-13 16:21:25,296 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 795 transitions. Word has length 185 [2024-10-13 16:21:25,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:21:25,296 INFO L471 AbstractCegarLoop]: Abstraction has 606 states and 795 transitions. [2024-10-13 16:21:25,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.428571428571427) internal successors, (171), 6 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:21:25,296 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 795 transitions. [2024-10-13 16:21:25,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-13 16:21:25,297 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:21:25,298 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:21:25,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-13 16:21:25,298 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-13 16:21:25,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:21:25,298 INFO L85 PathProgramCache]: Analyzing trace with hash -449736807, now seen corresponding path program 1 times [2024-10-13 16:21:25,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:21:25,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489779552] [2024-10-13 16:21:25,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:21:25,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:21:25,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:25,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 16:21:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:25,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 16:21:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:25,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-13 16:21:25,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:25,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 16:21:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:25,815 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 16:21:25,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:21:25,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489779552] [2024-10-13 16:21:25,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489779552] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:21:25,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1376322957] [2024-10-13 16:21:25,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:21:25,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:21:25,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:21:25,817 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 16:21:25,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 16:21:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:26,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-13 16:21:26,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:21:26,524 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-13 16:21:26,524 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:21:26,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1376322957] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:21:26,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 16:21:26,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2024-10-13 16:21:26,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638454010] [2024-10-13 16:21:26,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:21:26,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 16:21:26,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:21:26,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 16:21:26,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-10-13 16:21:26,526 INFO L87 Difference]: Start difference. First operand 606 states and 795 transitions. Second operand has 9 states, 9 states have (on average 19.333333333333332) internal successors, (174), 9 states have internal predecessors, (174), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 16:21:27,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:21:27,063 INFO L93 Difference]: Finished difference Result 1046 states and 1387 transitions. [2024-10-13 16:21:27,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 16:21:27,066 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 19.333333333333332) internal successors, (174), 9 states have internal predecessors, (174), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 186 [2024-10-13 16:21:27,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:21:27,068 INFO L225 Difference]: With dead ends: 1046 [2024-10-13 16:21:27,068 INFO L226 Difference]: Without dead ends: 628 [2024-10-13 16:21:27,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-10-13 16:21:27,069 INFO L432 NwaCegarLoop]: 377 mSDtfsCounter, 30 mSDsluCounter, 1372 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1749 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 16:21:27,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1749 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 16:21:27,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2024-10-13 16:21:27,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 620. [2024-10-13 16:21:27,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 620 states, 604 states have (on average 1.3029801324503312) internal successors, (787), 606 states have internal predecessors, (787), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-13 16:21:27,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 811 transitions. [2024-10-13 16:21:27,080 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 811 transitions. Word has length 186 [2024-10-13 16:21:27,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:21:27,080 INFO L471 AbstractCegarLoop]: Abstraction has 620 states and 811 transitions. [2024-10-13 16:21:27,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.333333333333332) internal successors, (174), 9 states have internal predecessors, (174), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 16:21:27,081 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 811 transitions. [2024-10-13 16:21:27,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-10-13 16:21:27,082 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:21:27,082 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:21:27,099 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-13 16:21:27,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:21:27,283 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-13 16:21:27,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:21:27,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1217384249, now seen corresponding path program 1 times [2024-10-13 16:21:27,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:21:27,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675260128] [2024-10-13 16:21:27,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:21:27,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:21:27,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:27,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 16:21:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:27,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 16:21:27,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:27,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 16:21:27,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:27,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 16:21:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:27,916 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 16:21:27,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:21:27,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675260128] [2024-10-13 16:21:27,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675260128] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:21:27,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:21:27,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 16:21:27,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679066423] [2024-10-13 16:21:27,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:21:27,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 16:21:27,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:21:27,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 16:21:27,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-13 16:21:27,917 INFO L87 Difference]: Start difference. First operand 620 states and 811 transitions. Second operand has 8 states, 8 states have (on average 21.625) internal successors, (173), 7 states have internal predecessors, (173), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 16:21:29,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-13 16:21:30,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:21:30,055 INFO L93 Difference]: Finished difference Result 1046 states and 1388 transitions. [2024-10-13 16:21:30,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 16:21:30,055 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.625) internal successors, (173), 7 states have internal predecessors, (173), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 187 [2024-10-13 16:21:30,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:21:30,057 INFO L225 Difference]: With dead ends: 1046 [2024-10-13 16:21:30,057 INFO L226 Difference]: Without dead ends: 622 [2024-10-13 16:21:30,058 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-13 16:21:30,058 INFO L432 NwaCegarLoop]: 386 mSDtfsCounter, 23 mSDsluCounter, 1535 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 1921 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-13 16:21:30,058 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 1921 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-13 16:21:30,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2024-10-13 16:21:30,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 614. [2024-10-13 16:21:30,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 598 states have (on average 1.2993311036789297) internal successors, (777), 600 states have internal predecessors, (777), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-13 16:21:30,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 801 transitions. [2024-10-13 16:21:30,069 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 801 transitions. Word has length 187 [2024-10-13 16:21:30,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:21:30,070 INFO L471 AbstractCegarLoop]: Abstraction has 614 states and 801 transitions. [2024-10-13 16:21:30,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.625) internal successors, (173), 7 states have internal predecessors, (173), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 16:21:30,070 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 801 transitions. [2024-10-13 16:21:30,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-10-13 16:21:30,071 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:21:30,071 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:21:30,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-13 16:21:30,072 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-13 16:21:30,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:21:30,072 INFO L85 PathProgramCache]: Analyzing trace with hash -2067946572, now seen corresponding path program 1 times [2024-10-13 16:21:30,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:21:30,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242557170] [2024-10-13 16:21:30,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:21:30,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:21:30,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:30,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 16:21:30,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:30,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 16:21:30,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:30,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 16:21:30,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:30,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 16:21:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:30,559 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 16:21:30,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:21:30,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242557170] [2024-10-13 16:21:30,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242557170] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:21:30,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:21:30,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 16:21:30,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158499381] [2024-10-13 16:21:30,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:21:30,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 16:21:30,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:21:30,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 16:21:30,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-13 16:21:30,561 INFO L87 Difference]: Start difference. First operand 614 states and 801 transitions. Second operand has 8 states, 8 states have (on average 21.75) internal successors, (174), 7 states have internal predecessors, (174), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 16:21:31,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:21:31,354 INFO L93 Difference]: Finished difference Result 1045 states and 1385 transitions. [2024-10-13 16:21:31,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 16:21:31,355 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.75) internal successors, (174), 7 states have internal predecessors, (174), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 188 [2024-10-13 16:21:31,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:21:31,357 INFO L225 Difference]: With dead ends: 1045 [2024-10-13 16:21:31,357 INFO L226 Difference]: Without dead ends: 626 [2024-10-13 16:21:31,357 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-13 16:21:31,358 INFO L432 NwaCegarLoop]: 389 mSDtfsCounter, 18 mSDsluCounter, 1263 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 1652 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-13 16:21:31,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 1652 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-13 16:21:31,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2024-10-13 16:21:31,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 620. [2024-10-13 16:21:31,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 620 states, 604 states have (on average 1.2963576158940397) internal successors, (783), 606 states have internal predecessors, (783), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-13 16:21:31,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 807 transitions. [2024-10-13 16:21:31,372 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 807 transitions. Word has length 188 [2024-10-13 16:21:31,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:21:31,372 INFO L471 AbstractCegarLoop]: Abstraction has 620 states and 807 transitions. [2024-10-13 16:21:31,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.75) internal successors, (174), 7 states have internal predecessors, (174), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 16:21:31,373 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 807 transitions. [2024-10-13 16:21:31,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-10-13 16:21:31,374 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:21:31,374 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:21:31,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-13 16:21:31,375 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-13 16:21:31,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:21:31,375 INFO L85 PathProgramCache]: Analyzing trace with hash 478345392, now seen corresponding path program 1 times [2024-10-13 16:21:31,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:21:31,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353206942] [2024-10-13 16:21:31,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:21:31,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:21:31,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:31,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 16:21:31,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:31,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 16:21:31,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:31,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 16:21:31,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:31,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 16:21:31,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:31,745 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 16:21:31,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:21:31,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353206942] [2024-10-13 16:21:31,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353206942] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:21:31,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1213649662] [2024-10-13 16:21:31,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:21:31,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:21:31,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:21:31,747 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 16:21:31,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-13 16:21:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:32,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-13 16:21:32,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:21:32,484 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 16:21:32,484 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:21:32,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1213649662] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:21:32,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 16:21:32,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-10-13 16:21:32,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737243635] [2024-10-13 16:21:32,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:21:32,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 16:21:32,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:21:32,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 16:21:32,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-13 16:21:32,486 INFO L87 Difference]: Start difference. First operand 620 states and 807 transitions. Second operand has 5 states, 4 states have (on average 44.75) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 16:21:32,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:21:32,595 INFO L93 Difference]: Finished difference Result 1150 states and 1510 transitions. [2024-10-13 16:21:32,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 16:21:32,595 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 44.75) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 189 [2024-10-13 16:21:32,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:21:32,597 INFO L225 Difference]: With dead ends: 1150 [2024-10-13 16:21:32,597 INFO L226 Difference]: Without dead ends: 622 [2024-10-13 16:21:32,598 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-13 16:21:32,598 INFO L432 NwaCegarLoop]: 388 mSDtfsCounter, 368 mSDsluCounter, 1154 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 1542 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 16:21:32,598 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 1542 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 16:21:32,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2024-10-13 16:21:32,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 622. [2024-10-13 16:21:32,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 622 states, 605 states have (on average 1.2975206611570247) internal successors, (785), 608 states have internal predecessors, (785), 12 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (16), 12 states have call predecessors, (16), 12 states have call successors, (16) [2024-10-13 16:21:32,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 813 transitions. [2024-10-13 16:21:32,611 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 813 transitions. Word has length 189 [2024-10-13 16:21:32,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:21:32,611 INFO L471 AbstractCegarLoop]: Abstraction has 622 states and 813 transitions. [2024-10-13 16:21:32,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 44.75) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 16:21:32,611 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 813 transitions. [2024-10-13 16:21:32,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-13 16:21:32,612 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:21:32,612 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:21:32,629 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-13 16:21:32,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-13 16:21:32,813 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-13 16:21:32,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:21:32,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1666425008, now seen corresponding path program 1 times [2024-10-13 16:21:32,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:21:32,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401138400] [2024-10-13 16:21:32,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:21:32,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:21:33,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:33,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 16:21:33,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:33,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 16:21:33,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:33,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-13 16:21:33,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:33,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 16:21:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:33,468 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-13 16:21:33,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:21:33,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401138400] [2024-10-13 16:21:33,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401138400] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:21:33,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083270051] [2024-10-13 16:21:33,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:21:33,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:21:33,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:21:33,470 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 16:21:33,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-13 16:21:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:34,071 INFO L255 TraceCheckSpWp]: Trace formula consists of 1089 conjuncts, 159 conjuncts are in the unsatisfiable core [2024-10-13 16:21:34,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:21:34,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-10-13 16:21:34,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-13 16:21:34,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 11 [2024-10-13 16:21:34,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 11 [2024-10-13 16:21:34,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-13 16:21:34,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-10-13 16:21:34,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-10-13 16:21:34,927 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2024-10-13 16:21:34,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 29 [2024-10-13 16:21:35,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-10-13 16:21:35,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-10-13 16:21:35,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-10-13 16:21:35,272 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-10-13 16:21:35,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 57 [2024-10-13 16:21:35,279 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-10-13 16:21:35,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11