./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_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 765142a1ef820c0c2cf2fa98a3978a1412f5a1196c629c20848264001100dcc9 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 07:24:11,446 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 07:24:11,541 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 07:24:11,547 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 07:24:11,549 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 07:24:11,579 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 07:24:11,581 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 07:24:11,582 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 07:24:11,583 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 07:24:11,583 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 07:24:11,584 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 07:24:11,584 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 07:24:11,586 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 07:24:11,586 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 07:24:11,588 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 07:24:11,589 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 07:24:11,589 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 07:24:11,590 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 07:24:11,590 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 07:24:11,590 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 07:24:11,590 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 07:24:11,591 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 07:24:11,591 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 07:24:11,592 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 07:24:11,592 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 07:24:11,592 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 07:24:11,593 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 07:24:11,593 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 07:24:11,593 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 07:24:11,594 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 07:24:11,594 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 07:24:11,594 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 07:24:11,595 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 07:24:11,595 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 07:24:11,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:24:11,596 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 07:24:11,596 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 07:24:11,596 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 07:24:11,596 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 07:24:11,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 07:24:11,597 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 07:24:11,597 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 07:24:11,598 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 07:24:11,598 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 07:24:11,598 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 765142a1ef820c0c2cf2fa98a3978a1412f5a1196c629c20848264001100dcc9 [2024-11-17 07:24:11,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 07:24:11,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 07:24:11,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 07:24:11,879 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 07:24:11,880 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 07:24:11,882 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i [2024-11-17 07:24:13,323 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 07:24:13,644 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 07:24:13,645 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i [2024-11-17 07:24:13,662 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89dd763b7/e43ef04733954e2d9004c7f3c85274c5/FLAGcd4727913 [2024-11-17 07:24:13,953 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89dd763b7/e43ef04733954e2d9004c7f3c85274c5 [2024-11-17 07:24:13,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 07:24:13,957 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 07:24:13,959 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 07:24:13,959 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 07:24:13,963 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 07:24:13,964 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:24:13" (1/1) ... [2024-11-17 07:24:13,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@805fb7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:24:13, skipping insertion in model container [2024-11-17 07:24:13,965 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:24:13" (1/1) ... [2024-11-17 07:24:14,027 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 07:24:14,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:24:14,621 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 07:24:14,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:24:14,767 INFO L204 MainTranslator]: Completed translation [2024-11-17 07:24:14,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:24:14 WrapperNode [2024-11-17 07:24:14,768 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 07:24:14,769 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 07:24:14,769 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 07:24:14,769 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 07:24:14,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:24:14" (1/1) ... [2024-11-17 07:24:14,817 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:24:14" (1/1) ... [2024-11-17 07:24:14,930 INFO L138 Inliner]: procedures = 176, calls = 336, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1563 [2024-11-17 07:24:14,931 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 07:24:14,932 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 07:24:14,932 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 07:24:14,932 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 07:24:14,950 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:24:14" (1/1) ... [2024-11-17 07:24:14,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:24:14" (1/1) ... [2024-11-17 07:24:14,967 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:24:14" (1/1) ... [2024-11-17 07:24:15,079 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]. [2024-11-17 07:24:15,082 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:24:14" (1/1) ... [2024-11-17 07:24:15,082 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:24:14" (1/1) ... [2024-11-17 07:24:15,137 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:24:14" (1/1) ... [2024-11-17 07:24:15,141 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:24:14" (1/1) ... [2024-11-17 07:24:15,149 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:24:14" (1/1) ... [2024-11-17 07:24:15,157 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:24:14" (1/1) ... [2024-11-17 07:24:15,173 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 07:24:15,176 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 07:24:15,176 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 07:24:15,177 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 07:24:15,178 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:24:14" (1/1) ... [2024-11-17 07:24:15,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:24:15,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:24:15,215 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 07:24:15,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 07:24:15,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 07:24:15,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-17 07:24:15,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 07:24:15,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 07:24:15,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 07:24:15,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 07:24:15,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-17 07:24:15,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-17 07:24:15,273 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-17 07:24:15,274 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-17 07:24:15,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-17 07:24:15,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 07:24:15,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-17 07:24:15,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-17 07:24:15,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-17 07:24:15,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-17 07:24:15,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 07:24:15,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 07:24:15,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-17 07:24:15,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 07:24:15,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 07:24:15,512 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 07:24:15,514 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 07:24:17,086 INFO L? ?]: Removed 393 outVars from TransFormulas that were not future-live. [2024-11-17 07:24:17,086 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 07:24:17,146 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 07:24:17,147 INFO L336 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-17 07:24:17,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:24:17 BoogieIcfgContainer [2024-11-17 07:24:17,147 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 07:24:17,149 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 07:24:17,149 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 07:24:17,153 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 07:24:17,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 07:24:13" (1/3) ... [2024-11-17 07:24:17,154 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b4fc0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:24:17, skipping insertion in model container [2024-11-17 07:24:17,154 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:24:14" (2/3) ... [2024-11-17 07:24:17,154 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b4fc0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:24:17, skipping insertion in model container [2024-11-17 07:24:17,155 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:24:17" (3/3) ... [2024-11-17 07:24:17,156 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test4-1.i [2024-11-17 07:24:17,173 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 07:24:17,173 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-17 07:24:17,254 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 07:24:17,262 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;@625b52c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 07:24:17,262 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-17 07:24:17,268 INFO L276 IsEmpty]: Start isEmpty. Operand has 445 states, 420 states have (on average 1.6095238095238096) internal successors, (676), 436 states have internal predecessors, (676), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-17 07:24:17,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-17 07:24:17,276 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:24:17,277 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:24:17,278 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:24:17,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:24:17,284 INFO L85 PathProgramCache]: Analyzing trace with hash 406330624, now seen corresponding path program 1 times [2024-11-17 07:24:17,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:24:17,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237832664] [2024-11-17 07:24:17,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:24:17,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:24:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:17,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:24:17,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:24:17,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237832664] [2024-11-17 07:24:17,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237832664] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:24:17,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:24:17,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-17 07:24:17,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597520045] [2024-11-17 07:24:17,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:24:17,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 07:24:17,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:24:17,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 07:24:17,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 07:24:17,519 INFO L87 Difference]: Start difference. First operand has 445 states, 420 states have (on average 1.6095238095238096) internal successors, (676), 436 states have internal predecessors, (676), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:24:17,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:24:17,681 INFO L93 Difference]: Finished difference Result 886 states and 1423 transitions. [2024-11-17 07:24:17,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 07:24:17,684 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-17 07:24:17,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:24:17,700 INFO L225 Difference]: With dead ends: 886 [2024-11-17 07:24:17,700 INFO L226 Difference]: Without dead ends: 438 [2024-11-17 07:24:17,708 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 07:24:17,713 INFO L432 NwaCegarLoop]: 593 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:24:17,715 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 593 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:24:17,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2024-11-17 07:24:17,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 438. [2024-11-17 07:24:17,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 415 states have (on average 1.4457831325301205) internal successors, (600), 429 states have internal predecessors, (600), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-17 07:24:17,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 632 transitions. [2024-11-17 07:24:17,788 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 632 transitions. Word has length 7 [2024-11-17 07:24:17,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:24:17,789 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 632 transitions. [2024-11-17 07:24:17,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:24:17,790 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 632 transitions. [2024-11-17 07:24:17,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 07:24:17,791 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:24:17,791 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:24:17,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 07:24:17,792 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:24:17,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:24:17,792 INFO L85 PathProgramCache]: Analyzing trace with hash -311616649, now seen corresponding path program 1 times [2024-11-17 07:24:17,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:24:17,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723953381] [2024-11-17 07:24:17,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:24:17,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:24:17,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:17,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:24:17,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:24:17,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723953381] [2024-11-17 07:24:17,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723953381] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:24:17,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:24:17,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:24:17,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045577923] [2024-11-17 07:24:17,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:24:17,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:24:17,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:24:17,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:24:17,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:24:17,884 INFO L87 Difference]: Start difference. First operand 438 states and 632 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:24:18,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:24:18,076 INFO L93 Difference]: Finished difference Result 865 states and 1253 transitions. [2024-11-17 07:24:18,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:24:18,077 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-17 07:24:18,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:24:18,082 INFO L225 Difference]: With dead ends: 865 [2024-11-17 07:24:18,082 INFO L226 Difference]: Without dead ends: 830 [2024-11-17 07:24:18,083 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:24:18,084 INFO L432 NwaCegarLoop]: 668 mSDtfsCounter, 552 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 558 SdHoareTripleChecker+Valid, 1247 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 07:24:18,084 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [558 Valid, 1247 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 07:24:18,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2024-11-17 07:24:18,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 444. [2024-11-17 07:24:18,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 421 states have (on average 1.4394299287410925) internal successors, (606), 435 states have internal predecessors, (606), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-17 07:24:18,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 638 transitions. [2024-11-17 07:24:18,143 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 638 transitions. Word has length 8 [2024-11-17 07:24:18,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:24:18,143 INFO L471 AbstractCegarLoop]: Abstraction has 444 states and 638 transitions. [2024-11-17 07:24:18,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:24:18,143 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 638 transitions. [2024-11-17 07:24:18,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-17 07:24:18,150 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:24:18,150 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, 1, 1, 1, 1] [2024-11-17 07:24:18,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 07:24:18,151 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:24:18,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:24:18,152 INFO L85 PathProgramCache]: Analyzing trace with hash -532612145, now seen corresponding path program 1 times [2024-11-17 07:24:18,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:24:18,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446101761] [2024-11-17 07:24:18,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:24:18,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:24:18,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:18,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:24:18,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:24:18,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446101761] [2024-11-17 07:24:18,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446101761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:24:18,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:24:18,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:24:18,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938338653] [2024-11-17 07:24:18,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:24:18,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:24:18,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:24:18,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:24:18,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:24:18,748 INFO L87 Difference]: Start difference. First operand 444 states and 638 transitions. Second operand has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:24:18,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:24:18,940 INFO L93 Difference]: Finished difference Result 845 states and 1212 transitions. [2024-11-17 07:24:18,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:24:18,940 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 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 155 [2024-11-17 07:24:18,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:24:18,943 INFO L225 Difference]: With dead ends: 845 [2024-11-17 07:24:18,944 INFO L226 Difference]: Without dead ends: 409 [2024-11-17 07:24:18,947 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 [2024-11-17 07:24:18,949 INFO L432 NwaCegarLoop]: 495 mSDtfsCounter, 23 mSDsluCounter, 968 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 1463 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 07:24:18,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 1463 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 07:24:18,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2024-11-17 07:24:18,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 408. [2024-11-17 07:24:18,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 385 states have (on average 1.3974025974025974) internal successors, (538), 399 states have internal predecessors, (538), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-17 07:24:18,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 570 transitions. [2024-11-17 07:24:18,965 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 570 transitions. Word has length 155 [2024-11-17 07:24:18,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:24:18,965 INFO L471 AbstractCegarLoop]: Abstraction has 408 states and 570 transitions. [2024-11-17 07:24:18,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:24:18,966 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 570 transitions. [2024-11-17 07:24:18,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-17 07:24:18,979 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:24:18,979 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, 1, 1, 1, 1] [2024-11-17 07:24:18,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 07:24:18,979 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:24:18,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:24:18,980 INFO L85 PathProgramCache]: Analyzing trace with hash -317782992, now seen corresponding path program 1 times [2024-11-17 07:24:18,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:24:18,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502461916] [2024-11-17 07:24:18,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:24:18,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:24:19,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:19,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:24:19,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:24:19,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502461916] [2024-11-17 07:24:19,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502461916] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:24:19,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:24:19,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:24:19,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855512706] [2024-11-17 07:24:19,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:24:19,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:24:19,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:24:19,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:24:19,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:24:19,305 INFO L87 Difference]: Start difference. First operand 408 states and 570 transitions. Second operand has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:24:19,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:24:19,465 INFO L93 Difference]: Finished difference Result 796 states and 1120 transitions. [2024-11-17 07:24:19,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:24:19,466 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 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 155 [2024-11-17 07:24:19,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:24:19,468 INFO L225 Difference]: With dead ends: 796 [2024-11-17 07:24:19,469 INFO L226 Difference]: Without dead ends: 396 [2024-11-17 07:24:19,470 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 [2024-11-17 07:24:19,471 INFO L432 NwaCegarLoop]: 491 mSDtfsCounter, 27 mSDsluCounter, 969 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 1460 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:24:19,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 1460 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:24:19,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-17 07:24:19,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 396. [2024-11-17 07:24:19,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 373 states have (on average 1.3914209115281502) internal successors, (519), 387 states have internal predecessors, (519), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-17 07:24:19,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 551 transitions. [2024-11-17 07:24:19,486 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 551 transitions. Word has length 155 [2024-11-17 07:24:19,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:24:19,487 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 551 transitions. [2024-11-17 07:24:19,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:24:19,487 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 551 transitions. [2024-11-17 07:24:19,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-17 07:24:19,489 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:24:19,490 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, 1, 1, 1, 1] [2024-11-17 07:24:19,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 07:24:19,490 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:24:19,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:24:19,491 INFO L85 PathProgramCache]: Analyzing trace with hash 556892297, now seen corresponding path program 1 times [2024-11-17 07:24:19,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:24:19,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514487131] [2024-11-17 07:24:19,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:24:19,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:24:19,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:19,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:24:19,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:24:19,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514487131] [2024-11-17 07:24:19,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514487131] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:24:19,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:24:19,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:24:19,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884015425] [2024-11-17 07:24:19,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:24:19,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:24:19,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:24:19,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:24:19,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:24:19,728 INFO L87 Difference]: Start difference. First operand 396 states and 551 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:24:19,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:24:19,856 INFO L93 Difference]: Finished difference Result 865 states and 1203 transitions. [2024-11-17 07:24:19,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:24:19,857 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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 155 [2024-11-17 07:24:19,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:24:19,859 INFO L225 Difference]: With dead ends: 865 [2024-11-17 07:24:19,859 INFO L226 Difference]: Without dead ends: 477 [2024-11-17 07:24:19,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:24:19,863 INFO L432 NwaCegarLoop]: 509 mSDtfsCounter, 54 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 1011 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:24:19,865 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 1011 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:24:19,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2024-11-17 07:24:19,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 477. [2024-11-17 07:24:19,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 454 states have (on average 1.381057268722467) internal successors, (627), 468 states have internal predecessors, (627), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-17 07:24:19,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 659 transitions. [2024-11-17 07:24:19,884 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 659 transitions. Word has length 155 [2024-11-17 07:24:19,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:24:19,885 INFO L471 AbstractCegarLoop]: Abstraction has 477 states and 659 transitions. [2024-11-17 07:24:19,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:24:19,886 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 659 transitions. [2024-11-17 07:24:19,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-17 07:24:19,888 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:24:19,889 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:24:19,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 07:24:19,890 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:24:19,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:24:19,890 INFO L85 PathProgramCache]: Analyzing trace with hash -546913248, now seen corresponding path program 1 times [2024-11-17 07:24:19,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:24:19,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258488089] [2024-11-17 07:24:19,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:24:19,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:24:20,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:20,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:24:20,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:20,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:24:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:20,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:24:20,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:24:20,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258488089] [2024-11-17 07:24:20,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258488089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:24:20,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:24:20,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 07:24:20,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327675051] [2024-11-17 07:24:20,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:24:20,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 07:24:20,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:24:20,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 07:24:20,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:24:20,278 INFO L87 Difference]: Start difference. First operand 477 states and 659 transitions. Second operand has 5 states, 5 states have (on average 32.6) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:24:20,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:24:20,757 INFO L93 Difference]: Finished difference Result 826 states and 1145 transitions. [2024-11-17 07:24:20,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 07:24:20,757 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.6) internal successors, (163), 4 states have internal predecessors, (163), 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 170 [2024-11-17 07:24:20,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:24:20,761 INFO L225 Difference]: With dead ends: 826 [2024-11-17 07:24:20,762 INFO L226 Difference]: Without dead ends: 438 [2024-11-17 07:24:20,763 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 [2024-11-17 07:24:20,763 INFO L432 NwaCegarLoop]: 410 mSDtfsCounter, 42 mSDsluCounter, 1084 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 1494 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 07:24:20,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 1494 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 07:24:20,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2024-11-17 07:24:20,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 435. [2024-11-17 07:24:20,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 412 states have (on average 1.3349514563106797) internal successors, (550), 426 states have internal predecessors, (550), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-17 07:24:20,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 582 transitions. [2024-11-17 07:24:20,775 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 582 transitions. Word has length 170 [2024-11-17 07:24:20,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:24:20,776 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 582 transitions. [2024-11-17 07:24:20,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.6) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:24:20,776 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 582 transitions. [2024-11-17 07:24:20,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-17 07:24:20,778 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:24:20,778 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:24:20,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 07:24:20,779 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:24:20,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:24:20,779 INFO L85 PathProgramCache]: Analyzing trace with hash -434646058, now seen corresponding path program 1 times [2024-11-17 07:24:20,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:24:20,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641384325] [2024-11-17 07:24:20,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:24:20,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:24:20,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:21,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:24:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:21,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:24:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:21,118 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:24:21,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:24:21,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641384325] [2024-11-17 07:24:21,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641384325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:24:21,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:24:21,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 07:24:21,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132935765] [2024-11-17 07:24:21,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:24:21,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 07:24:21,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:24:21,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 07:24:21,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:24:21,120 INFO L87 Difference]: Start difference. First operand 435 states and 582 transitions. Second operand has 5 states, 5 states have (on average 32.6) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:24:21,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:24:21,528 INFO L93 Difference]: Finished difference Result 778 states and 1051 transitions. [2024-11-17 07:24:21,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 07:24:21,528 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.6) internal successors, (163), 4 states have internal predecessors, (163), 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 170 [2024-11-17 07:24:21,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:24:21,531 INFO L225 Difference]: With dead ends: 778 [2024-11-17 07:24:21,531 INFO L226 Difference]: Without dead ends: 432 [2024-11-17 07:24:21,532 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 07:24:21,532 INFO L432 NwaCegarLoop]: 412 mSDtfsCounter, 15 mSDsluCounter, 1089 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 1501 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 07:24:21,533 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 1501 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 07:24:21,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2024-11-17 07:24:21,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 429. [2024-11-17 07:24:21,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 406 states have (on average 1.3300492610837438) internal successors, (540), 420 states have internal predecessors, (540), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-17 07:24:21,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 572 transitions. [2024-11-17 07:24:21,543 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 572 transitions. Word has length 170 [2024-11-17 07:24:21,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:24:21,544 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 572 transitions. [2024-11-17 07:24:21,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.6) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:24:21,544 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 572 transitions. [2024-11-17 07:24:21,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-17 07:24:21,546 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:24:21,546 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:24:21,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 07:24:21,546 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:24:21,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:24:21,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1924100826, now seen corresponding path program 1 times [2024-11-17 07:24:21,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:24:21,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528088647] [2024-11-17 07:24:21,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:24:21,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:24:21,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:21,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:24:21,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:21,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:24:21,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:21,864 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:24:21,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:24:21,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528088647] [2024-11-17 07:24:21,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528088647] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:24:21,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:24:21,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:24:21,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461758466] [2024-11-17 07:24:21,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:24:21,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:24:21,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:24:21,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:24:21,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:24:21,867 INFO L87 Difference]: Start difference. First operand 429 states and 572 transitions. Second operand has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:24:22,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:24:22,318 INFO L93 Difference]: Finished difference Result 914 states and 1230 transitions. [2024-11-17 07:24:22,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:24:22,319 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 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 170 [2024-11-17 07:24:22,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:24:22,322 INFO L225 Difference]: With dead ends: 914 [2024-11-17 07:24:22,322 INFO L226 Difference]: Without dead ends: 574 [2024-11-17 07:24:22,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:24:22,324 INFO L432 NwaCegarLoop]: 427 mSDtfsCounter, 166 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 1153 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 07:24:22,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 1153 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 07:24:22,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2024-11-17 07:24:22,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 571. [2024-11-17 07:24:22,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 545 states have (on average 1.3266055045871559) internal successors, (723), 559 states have internal predecessors, (723), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 10 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-17 07:24:22,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 761 transitions. [2024-11-17 07:24:22,340 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 761 transitions. Word has length 170 [2024-11-17 07:24:22,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:24:22,340 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 761 transitions. [2024-11-17 07:24:22,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:24:22,340 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 761 transitions. [2024-11-17 07:24:22,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-17 07:24:22,342 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:24:22,342 INFO L215 NwaCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1] [2024-11-17 07:24:22,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 07:24:22,343 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:24:22,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:24:22,343 INFO L85 PathProgramCache]: Analyzing trace with hash -993147155, now seen corresponding path program 1 times [2024-11-17 07:24:22,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:24:22,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284031693] [2024-11-17 07:24:22,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:24:22,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:24:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:22,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:24:22,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:22,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:24:22,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:22,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-17 07:24:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:22,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-17 07:24:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:22,787 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:24:22,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:24:22,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284031693] [2024-11-17 07:24:22,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284031693] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:24:22,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:24:22,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:24:22,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34367555] [2024-11-17 07:24:22,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:24:22,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 07:24:22,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:24:22,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 07:24:22,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:24:22,791 INFO L87 Difference]: Start difference. First operand 571 states and 761 transitions. Second operand has 5 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 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) [2024-11-17 07:24:23,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:24:23,268 INFO L93 Difference]: Finished difference Result 642 states and 864 transitions. [2024-11-17 07:24:23,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:24:23,269 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 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 [2024-11-17 07:24:23,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:24:23,272 INFO L225 Difference]: With dead ends: 642 [2024-11-17 07:24:23,273 INFO L226 Difference]: Without dead ends: 640 [2024-11-17 07:24:23,273 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 [2024-11-17 07:24:23,274 INFO L432 NwaCegarLoop]: 419 mSDtfsCounter, 220 mSDsluCounter, 1122 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 1541 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 07:24:23,274 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 1541 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 07:24:23,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2024-11-17 07:24:23,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 636. [2024-11-17 07:24:23,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 607 states have (on average 1.3212520593080725) internal successors, (802), 621 states have internal predecessors, (802), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-17 07:24:23,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 846 transitions. [2024-11-17 07:24:23,291 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 846 transitions. Word has length 185 [2024-11-17 07:24:23,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:24:23,291 INFO L471 AbstractCegarLoop]: Abstraction has 636 states and 846 transitions. [2024-11-17 07:24:23,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 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) [2024-11-17 07:24:23,292 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 846 transitions. [2024-11-17 07:24:23,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-17 07:24:23,294 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:24:23,294 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1] [2024-11-17 07:24:23,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-17 07:24:23,294 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:24:23,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:24:23,295 INFO L85 PathProgramCache]: Analyzing trace with hash -756985630, now seen corresponding path program 1 times [2024-11-17 07:24:23,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:24:23,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088059245] [2024-11-17 07:24:23,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:24:23,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:24:23,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:23,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:24:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:23,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:24:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:23,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-17 07:24:23,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:23,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-17 07:24:23,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:23,709 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:24:23,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:24:23,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088059245] [2024-11-17 07:24:23,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088059245] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:24:23,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352199814] [2024-11-17 07:24:23,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:24:23,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:24:23,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:24:23,714 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:24:23,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 07:24:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:24,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 1037 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 07:24:24,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:24:24,504 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:24:24,504 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:24:24,783 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:24:24,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352199814] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:24:24,784 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:24:24,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2024-11-17 07:24:24,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880539263] [2024-11-17 07:24:24,784 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:24:24,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 07:24:24,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:24:24,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 07:24:24,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-17 07:24:24,787 INFO L87 Difference]: Start difference. First operand 636 states and 846 transitions. Second operand has 11 states, 11 states have (on average 46.45454545454545) internal successors, (511), 10 states have internal predecessors, (511), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-17 07:24:25,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:24:25,477 INFO L93 Difference]: Finished difference Result 976 states and 1323 transitions. [2024-11-17 07:24:25,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 07:24:25,479 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 46.45454545454545) internal successors, (511), 10 states have internal predecessors, (511), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 193 [2024-11-17 07:24:25,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:24:25,484 INFO L225 Difference]: With dead ends: 976 [2024-11-17 07:24:25,485 INFO L226 Difference]: Without dead ends: 941 [2024-11-17 07:24:25,485 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 397 GetRequests, 388 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-17 07:24:25,486 INFO L432 NwaCegarLoop]: 417 mSDtfsCounter, 1192 mSDsluCounter, 1917 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1220 SdHoareTripleChecker+Valid, 2334 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 07:24:25,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1220 Valid, 2334 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 07:24:25,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2024-11-17 07:24:25,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 938. [2024-11-17 07:24:25,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 938 states, 903 states have (on average 1.317829457364341) internal successors, (1190), 917 states have internal predecessors, (1190), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-17 07:24:25,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1246 transitions. [2024-11-17 07:24:25,512 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1246 transitions. Word has length 193 [2024-11-17 07:24:25,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:24:25,513 INFO L471 AbstractCegarLoop]: Abstraction has 938 states and 1246 transitions. [2024-11-17 07:24:25,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 46.45454545454545) internal successors, (511), 10 states have internal predecessors, (511), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-17 07:24:25,514 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1246 transitions. [2024-11-17 07:24:25,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-17 07:24:25,515 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:24:25,515 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:24:25,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-17 07:24:25,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-17 07:24:25,717 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:24:25,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:24:25,717 INFO L85 PathProgramCache]: Analyzing trace with hash -734020793, now seen corresponding path program 1 times [2024-11-17 07:24:25,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:24:25,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330270088] [2024-11-17 07:24:25,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:24:25,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:24:26,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:26,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:24:26,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:26,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:24:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:26,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-17 07:24:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:26,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-17 07:24:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:26,699 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 07:24:26,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:24:26,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330270088] [2024-11-17 07:24:26,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330270088] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:24:26,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1123684918] [2024-11-17 07:24:26,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:24:26,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:24:26,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:24:26,702 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:24:26,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 07:24:27,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:27,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 1043 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-17 07:24:27,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:24:27,351 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 [2024-11-17 07:24:27,383 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 21 treesize of output 20 [2024-11-17 07:24:28,305 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:24:28,305 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:24:28,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1123684918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:24:28,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:24:28,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [5] total 15 [2024-11-17 07:24:28,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019376873] [2024-11-17 07:24:28,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:24:28,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 07:24:28,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:24:28,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 07:24:28,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-11-17 07:24:28,307 INFO L87 Difference]: Start difference. First operand 938 states and 1246 transitions. Second operand has 12 states, 12 states have (on average 14.666666666666666) internal successors, (176), 12 states have internal predecessors, (176), 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) [2024-11-17 07:24:30,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:24:30,882 INFO L93 Difference]: Finished difference Result 1834 states and 2447 transitions. [2024-11-17 07:24:30,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 07:24:30,883 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 14.666666666666666) internal successors, (176), 12 states have internal predecessors, (176), 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 193 [2024-11-17 07:24:30,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:24:30,887 INFO L225 Difference]: With dead ends: 1834 [2024-11-17 07:24:30,887 INFO L226 Difference]: Without dead ends: 938 [2024-11-17 07:24:30,888 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=112, Invalid=394, Unknown=0, NotChecked=0, Total=506 [2024-11-17 07:24:30,889 INFO L432 NwaCegarLoop]: 452 mSDtfsCounter, 468 mSDsluCounter, 3182 mSDsCounter, 0 mSdLazyCounter, 1343 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 3634 SdHoareTripleChecker+Invalid, 1351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-17 07:24:30,889 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [473 Valid, 3634 Invalid, 1351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1343 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-17 07:24:30,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2024-11-17 07:24:30,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 938. [2024-11-17 07:24:30,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 938 states, 903 states have (on average 1.3167220376522701) internal successors, (1189), 917 states have internal predecessors, (1189), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-17 07:24:30,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1245 transitions. [2024-11-17 07:24:30,912 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1245 transitions. Word has length 193 [2024-11-17 07:24:30,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:24:30,912 INFO L471 AbstractCegarLoop]: Abstraction has 938 states and 1245 transitions. [2024-11-17 07:24:30,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.666666666666666) internal successors, (176), 12 states have internal predecessors, (176), 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) [2024-11-17 07:24:30,913 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1245 transitions. [2024-11-17 07:24:30,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-17 07:24:30,915 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:24:30,915 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:24:30,936 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-17 07:24:31,118 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,SelfDestructingSolverStorable10 [2024-11-17 07:24:31,119 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:24:31,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:24:31,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1857412612, now seen corresponding path program 1 times [2024-11-17 07:24:31,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:24:31,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379212138] [2024-11-17 07:24:31,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:24:31,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:24:31,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:32,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:24:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:32,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-17 07:24:32,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:32,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-17 07:24:32,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:32,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-17 07:24:32,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:32,061 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 07:24:32,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:24:32,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379212138] [2024-11-17 07:24:32,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379212138] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:24:32,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1993175057] [2024-11-17 07:24:32,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:24:32,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:24:32,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:24:32,063 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:24:32,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 07:24:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:32,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-17 07:24:32,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:24:32,789 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:24:32,789 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:24:32,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1993175057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:24:32,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:24:32,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2024-11-17 07:24:32,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232271198] [2024-11-17 07:24:32,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:24:32,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:24:32,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:24:32,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:24:32,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-17 07:24:32,792 INFO L87 Difference]: Start difference. First operand 938 states and 1245 transitions. Second operand has 4 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 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) [2024-11-17 07:24:32,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:24:32,965 INFO L93 Difference]: Finished difference Result 1834 states and 2446 transitions. [2024-11-17 07:24:32,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:24:32,965 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 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 194 [2024-11-17 07:24:32,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:24:32,970 INFO L225 Difference]: With dead ends: 1834 [2024-11-17 07:24:32,971 INFO L226 Difference]: Without dead ends: 938 [2024-11-17 07:24:32,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-17 07:24:32,973 INFO L432 NwaCegarLoop]: 423 mSDtfsCounter, 13 mSDsluCounter, 733 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 1156 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:24:32,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 1156 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:24:32,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2024-11-17 07:24:32,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 938. [2024-11-17 07:24:33,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 938 states, 903 states have (on average 1.3133997785160576) internal successors, (1186), 917 states have internal predecessors, (1186), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-17 07:24:33,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1242 transitions. [2024-11-17 07:24:33,005 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1242 transitions. Word has length 194 [2024-11-17 07:24:33,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:24:33,005 INFO L471 AbstractCegarLoop]: Abstraction has 938 states and 1242 transitions. [2024-11-17 07:24:33,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 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) [2024-11-17 07:24:33,006 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1242 transitions. [2024-11-17 07:24:33,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-17 07:24:33,008 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:24:33,008 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:24:33,029 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-17 07:24:33,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:24:33,213 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:24:33,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:24:33,214 INFO L85 PathProgramCache]: Analyzing trace with hash 106456042, now seen corresponding path program 1 times [2024-11-17 07:24:33,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:24:33,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035075346] [2024-11-17 07:24:33,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:24:33,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:24:33,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:33,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-17 07:24:33,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:33,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-17 07:24:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:33,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-17 07:24:33,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:33,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-17 07:24:33,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:33,757 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:24:33,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:24:33,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035075346] [2024-11-17 07:24:33,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035075346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:24:33,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:24:33,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-17 07:24:33,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844701586] [2024-11-17 07:24:33,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:24:33,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:24:33,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:24:33,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:24:33,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-17 07:24:33,760 INFO L87 Difference]: Start difference. First operand 938 states and 1242 transitions. Second operand has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 6 states have internal predecessors, (178), 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) [2024-11-17 07:24:34,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:24:34,380 INFO L93 Difference]: Finished difference Result 1843 states and 2472 transitions. [2024-11-17 07:24:34,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 07:24:34,381 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 6 states have internal predecessors, (178), 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 195 [2024-11-17 07:24:34,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:24:34,385 INFO L225 Difference]: With dead ends: 1843 [2024-11-17 07:24:34,385 INFO L226 Difference]: Without dead ends: 950 [2024-11-17 07:24:34,386 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-17 07:24:34,387 INFO L432 NwaCegarLoop]: 418 mSDtfsCounter, 10 mSDsluCounter, 1355 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 1773 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 07:24:34,387 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 1773 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 07:24:34,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2024-11-17 07:24:34,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 947. [2024-11-17 07:24:34,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 947 states, 912 states have (on average 1.3103070175438596) internal successors, (1195), 926 states have internal predecessors, (1195), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-17 07:24:34,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1251 transitions. [2024-11-17 07:24:34,408 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1251 transitions. Word has length 195 [2024-11-17 07:24:34,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:24:34,409 INFO L471 AbstractCegarLoop]: Abstraction has 947 states and 1251 transitions. [2024-11-17 07:24:34,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 6 states have internal predecessors, (178), 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) [2024-11-17 07:24:34,409 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1251 transitions. [2024-11-17 07:24:34,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-17 07:24:34,410 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:24:34,411 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:24:34,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-17 07:24:34,411 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:24:34,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:24:34,412 INFO L85 PathProgramCache]: Analyzing trace with hash -977614906, now seen corresponding path program 1 times [2024-11-17 07:24:34,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:24:34,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299781479] [2024-11-17 07:24:34,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:24:34,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:24:34,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:35,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 07:24:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:35,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-17 07:24:35,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:35,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-17 07:24:35,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:35,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-17 07:24:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:35,167 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 07:24:35,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:24:35,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299781479] [2024-11-17 07:24:35,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299781479] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:24:35,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69245868] [2024-11-17 07:24:35,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:24:35,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:24:35,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:24:35,170 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:24:35,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 07:24:35,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:35,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 1043 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-17 07:24:35,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:24:36,075 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-17 07:24:36,076 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:24:36,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [69245868] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:24:36,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:24:36,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-11-17 07:24:36,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284454964] [2024-11-17 07:24:36,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:24:36,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:24:36,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:24:36,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:24:36,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-17 07:24:36,078 INFO L87 Difference]: Start difference. First operand 947 states and 1251 transitions. Second operand has 7 states, 7 states have (on average 26.0) internal successors, (182), 7 states have internal predecessors, (182), 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) [2024-11-17 07:24:36,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:24:36,418 INFO L93 Difference]: Finished difference Result 1722 states and 2291 transitions. [2024-11-17 07:24:36,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 07:24:36,419 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.0) internal successors, (182), 7 states have internal predecessors, (182), 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 196 [2024-11-17 07:24:36,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:24:36,423 INFO L225 Difference]: With dead ends: 1722 [2024-11-17 07:24:36,423 INFO L226 Difference]: Without dead ends: 962 [2024-11-17 07:24:36,424 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-17 07:24:36,425 INFO L432 NwaCegarLoop]: 419 mSDtfsCounter, 8 mSDsluCounter, 1471 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1890 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 07:24:36,425 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1890 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 07:24:36,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2024-11-17 07:24:36,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 959. [2024-11-17 07:24:36,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 959 states, 924 states have (on average 1.3062770562770563) internal successors, (1207), 938 states have internal predecessors, (1207), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-17 07:24:36,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 1263 transitions. [2024-11-17 07:24:36,447 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 1263 transitions. Word has length 196 [2024-11-17 07:24:36,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:24:36,447 INFO L471 AbstractCegarLoop]: Abstraction has 959 states and 1263 transitions. [2024-11-17 07:24:36,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.0) internal successors, (182), 7 states have internal predecessors, (182), 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) [2024-11-17 07:24:36,448 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1263 transitions. [2024-11-17 07:24:36,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-17 07:24:36,449 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:24:36,450 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:24:36,472 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 07:24:36,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:24:36,651 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:24:36,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:24:36,651 INFO L85 PathProgramCache]: Analyzing trace with hash -815157072, now seen corresponding path program 1 times [2024-11-17 07:24:36,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:24:36,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161990050] [2024-11-17 07:24:36,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:24:36,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:24:36,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:37,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 07:24:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:37,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-17 07:24:37,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:37,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-17 07:24:37,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:37,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-17 07:24:37,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:37,148 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:24:37,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:24:37,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161990050] [2024-11-17 07:24:37,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161990050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:24:37,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:24:37,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-17 07:24:37,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720165623] [2024-11-17 07:24:37,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:24:37,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 07:24:37,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:24:37,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 07:24:37,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-17 07:24:37,151 INFO L87 Difference]: Start difference. First operand 959 states and 1263 transitions. Second operand has 8 states, 8 states have (on average 22.5) internal successors, (180), 7 states have internal predecessors, (180), 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) [2024-11-17 07:24:38,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:24:38,095 INFO L93 Difference]: Finished difference Result 1735 states and 2316 transitions. [2024-11-17 07:24:38,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 07:24:38,095 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.5) internal successors, (180), 7 states have internal predecessors, (180), 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 197 [2024-11-17 07:24:38,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:24:38,100 INFO L225 Difference]: With dead ends: 1735 [2024-11-17 07:24:38,100 INFO L226 Difference]: Without dead ends: 977 [2024-11-17 07:24:38,101 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-17 07:24:38,101 INFO L432 NwaCegarLoop]: 409 mSDtfsCounter, 16 mSDsluCounter, 2009 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 2418 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-17 07:24:38,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 2418 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 716 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-17 07:24:38,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2024-11-17 07:24:38,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 971. [2024-11-17 07:24:38,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 971 states, 936 states have (on average 1.3055555555555556) internal successors, (1222), 950 states have internal predecessors, (1222), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-17 07:24:38,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 1278 transitions. [2024-11-17 07:24:38,125 INFO L78 Accepts]: Start accepts. Automaton has 971 states and 1278 transitions. Word has length 197 [2024-11-17 07:24:38,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:24:38,127 INFO L471 AbstractCegarLoop]: Abstraction has 971 states and 1278 transitions. [2024-11-17 07:24:38,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.5) internal successors, (180), 7 states have internal predecessors, (180), 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) [2024-11-17 07:24:38,127 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1278 transitions. [2024-11-17 07:24:38,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-17 07:24:38,129 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:24:38,129 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:24:38,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-17 07:24:38,130 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:24:38,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:24:38,130 INFO L85 PathProgramCache]: Analyzing trace with hash 712892227, now seen corresponding path program 1 times [2024-11-17 07:24:38,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:24:38,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918965291] [2024-11-17 07:24:38,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:24:38,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:24:38,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:38,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 07:24:38,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:38,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-17 07:24:38,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:38,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-17 07:24:38,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:38,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-17 07:24:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:38,616 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:24:38,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:24:38,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918965291] [2024-11-17 07:24:38,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918965291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:24:38,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:24:38,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-17 07:24:38,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709255829] [2024-11-17 07:24:38,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:24:38,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:24:38,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:24:38,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:24:38,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-17 07:24:38,620 INFO L87 Difference]: Start difference. First operand 971 states and 1278 transitions. Second operand has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 6 states have internal predecessors, (181), 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) [2024-11-17 07:24:39,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:24:39,360 INFO L93 Difference]: Finished difference Result 1756 states and 2343 transitions. [2024-11-17 07:24:39,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 07:24:39,361 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 6 states have internal predecessors, (181), 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 198 [2024-11-17 07:24:39,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:24:39,365 INFO L225 Difference]: With dead ends: 1756 [2024-11-17 07:24:39,365 INFO L226 Difference]: Without dead ends: 983 [2024-11-17 07:24:39,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-17 07:24:39,367 INFO L432 NwaCegarLoop]: 419 mSDtfsCounter, 10 mSDsluCounter, 1678 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 2097 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 07:24:39,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 2097 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 07:24:39,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 983 states. [2024-11-17 07:24:39,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 983 to 980. [2024-11-17 07:24:39,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 980 states, 945 states have (on average 1.3026455026455026) internal successors, (1231), 959 states have internal predecessors, (1231), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-17 07:24:39,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 1287 transitions. [2024-11-17 07:24:39,400 INFO L78 Accepts]: Start accepts. Automaton has 980 states and 1287 transitions. Word has length 198 [2024-11-17 07:24:39,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:24:39,403 INFO L471 AbstractCegarLoop]: Abstraction has 980 states and 1287 transitions. [2024-11-17 07:24:39,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 6 states have internal predecessors, (181), 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) [2024-11-17 07:24:39,404 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1287 transitions. [2024-11-17 07:24:39,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-17 07:24:39,405 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:24:39,406 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:24:39,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-17 07:24:39,406 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:24:39,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:24:39,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1435500127, now seen corresponding path program 1 times [2024-11-17 07:24:39,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:24:39,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612417773] [2024-11-17 07:24:39,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:24:39,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:24:39,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:40,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 07:24:40,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:40,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-17 07:24:40,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:40,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-17 07:24:40,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:40,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-17 07:24:40,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:40,224 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:24:40,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:24:40,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612417773] [2024-11-17 07:24:40,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612417773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:24:40,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:24:40,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-17 07:24:40,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750978326] [2024-11-17 07:24:40,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:24:40,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 07:24:40,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:24:40,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 07:24:40,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-17 07:24:40,227 INFO L87 Difference]: Start difference. First operand 980 states and 1287 transitions. Second operand has 10 states, 10 states have (on average 18.1) internal successors, (181), 9 states have internal predecessors, (181), 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) [2024-11-17 07:24:41,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:24:41,129 INFO L93 Difference]: Finished difference Result 1793 states and 2389 transitions. [2024-11-17 07:24:41,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 07:24:41,129 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 18.1) internal successors, (181), 9 states have internal predecessors, (181), 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 198 [2024-11-17 07:24:41,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:24:41,134 INFO L225 Difference]: With dead ends: 1793 [2024-11-17 07:24:41,134 INFO L226 Difference]: Without dead ends: 1016 [2024-11-17 07:24:41,135 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-17 07:24:41,135 INFO L432 NwaCegarLoop]: 417 mSDtfsCounter, 35 mSDsluCounter, 2773 mSDsCounter, 0 mSdLazyCounter, 966 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 3190 SdHoareTripleChecker+Invalid, 983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 07:24:41,135 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 3190 Invalid, 983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 966 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 07:24:41,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1016 states. [2024-11-17 07:24:41,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1016 to 1004. [2024-11-17 07:24:41,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1004 states, 969 states have (on average 1.301341589267286) internal successors, (1261), 983 states have internal predecessors, (1261), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-17 07:24:41,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1317 transitions. [2024-11-17 07:24:41,159 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1317 transitions. Word has length 198 [2024-11-17 07:24:41,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:24:41,160 INFO L471 AbstractCegarLoop]: Abstraction has 1004 states and 1317 transitions. [2024-11-17 07:24:41,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.1) internal successors, (181), 9 states have internal predecessors, (181), 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) [2024-11-17 07:24:41,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1317 transitions. [2024-11-17 07:24:41,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-17 07:24:41,162 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:24:41,162 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:24:41,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-17 07:24:41,162 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:24:41,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:24:41,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1320579383, now seen corresponding path program 1 times [2024-11-17 07:24:41,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:24:41,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909987235] [2024-11-17 07:24:41,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:24:41,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:24:41,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:41,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 07:24:41,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:41,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-17 07:24:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:41,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-17 07:24:41,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:41,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-17 07:24:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:41,972 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 07:24:41,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:24:41,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909987235] [2024-11-17 07:24:41,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909987235] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:24:41,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1516968228] [2024-11-17 07:24:41,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:24:41,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:24:41,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:24:41,974 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:24:41,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 07:24:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:42,674 INFO L255 TraceCheckSpWp]: Trace formula consists of 1043 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-17 07:24:42,678 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:24:42,929 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:24:42,929 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:24:42,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1516968228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:24:42,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:24:42,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-11-17 07:24:42,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788612669] [2024-11-17 07:24:42,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:24:42,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:24:42,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:24:42,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:24:42,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-17 07:24:42,931 INFO L87 Difference]: Start difference. First operand 1004 states and 1317 transitions. Second operand has 7 states, 7 states have (on average 26.0) internal successors, (182), 7 states have internal predecessors, (182), 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) [2024-11-17 07:24:43,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:24:43,321 INFO L93 Difference]: Finished difference Result 1968 states and 2596 transitions. [2024-11-17 07:24:43,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 07:24:43,322 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.0) internal successors, (182), 7 states have internal predecessors, (182), 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 199 [2024-11-17 07:24:43,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:24:43,326 INFO L225 Difference]: With dead ends: 1968 [2024-11-17 07:24:43,326 INFO L226 Difference]: Without dead ends: 1019 [2024-11-17 07:24:43,328 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-17 07:24:43,328 INFO L432 NwaCegarLoop]: 413 mSDtfsCounter, 8 mSDsluCounter, 1781 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2194 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 07:24:43,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2194 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 07:24:43,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1019 states. [2024-11-17 07:24:43,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1019 to 1016. [2024-11-17 07:24:43,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1016 states, 981 states have (on average 1.3007135575942916) internal successors, (1276), 995 states have internal predecessors, (1276), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-17 07:24:43,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 1016 states and 1332 transitions. [2024-11-17 07:24:43,357 INFO L78 Accepts]: Start accepts. Automaton has 1016 states and 1332 transitions. Word has length 199 [2024-11-17 07:24:43,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:24:43,358 INFO L471 AbstractCegarLoop]: Abstraction has 1016 states and 1332 transitions. [2024-11-17 07:24:43,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.0) internal successors, (182), 7 states have internal predecessors, (182), 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) [2024-11-17 07:24:43,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1332 transitions. [2024-11-17 07:24:43,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-17 07:24:43,360 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:24:43,360 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:24:43,384 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-17 07:24:43,564 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,SelfDestructingSolverStorable17 [2024-11-17 07:24:43,565 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:24:43,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:24:43,566 INFO L85 PathProgramCache]: Analyzing trace with hash -2032483267, now seen corresponding path program 1 times [2024-11-17 07:24:43,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:24:43,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798695924] [2024-11-17 07:24:43,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:24:43,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:24:43,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:44,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 07:24:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:44,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-17 07:24:44,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:44,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-17 07:24:44,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:44,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-17 07:24:44,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:44,024 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:24:44,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:24:44,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798695924] [2024-11-17 07:24:44,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798695924] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:24:44,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:24:44,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-17 07:24:44,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924222232] [2024-11-17 07:24:44,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:24:44,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 07:24:44,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:24:44,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 07:24:44,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-17 07:24:44,027 INFO L87 Difference]: Start difference. First operand 1016 states and 1332 transitions. Second operand has 8 states, 8 states have (on average 22.75) internal successors, (182), 7 states have internal predecessors, (182), 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) [2024-11-17 07:24:44,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:24:44,602 INFO L93 Difference]: Finished difference Result 1991 states and 2642 transitions. [2024-11-17 07:24:44,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 07:24:44,602 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.75) internal successors, (182), 7 states have internal predecessors, (182), 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 199 [2024-11-17 07:24:44,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:24:44,606 INFO L225 Difference]: With dead ends: 1991 [2024-11-17 07:24:44,606 INFO L226 Difference]: Without dead ends: 1034 [2024-11-17 07:24:44,608 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-17 07:24:44,608 INFO L432 NwaCegarLoop]: 414 mSDtfsCounter, 14 mSDsluCounter, 2015 mSDsCounter, 0 mSdLazyCounter, 743 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 2429 SdHoareTripleChecker+Invalid, 760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 07:24:44,609 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 2429 Invalid, 760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 743 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 07:24:44,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2024-11-17 07:24:44,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 1016. [2024-11-17 07:24:44,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1016 states, 981 states have (on average 1.3007135575942916) internal successors, (1276), 995 states have internal predecessors, (1276), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-17 07:24:44,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 1016 states and 1332 transitions. [2024-11-17 07:24:44,633 INFO L78 Accepts]: Start accepts. Automaton has 1016 states and 1332 transitions. Word has length 199 [2024-11-17 07:24:44,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:24:44,633 INFO L471 AbstractCegarLoop]: Abstraction has 1016 states and 1332 transitions. [2024-11-17 07:24:44,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.75) internal successors, (182), 7 states have internal predecessors, (182), 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) [2024-11-17 07:24:44,634 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1332 transitions. [2024-11-17 07:24:44,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-17 07:24:44,636 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:24:44,636 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:24:44,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-17 07:24:44,636 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:24:44,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:24:44,637 INFO L85 PathProgramCache]: Analyzing trace with hash -460571086, now seen corresponding path program 1 times [2024-11-17 07:24:44,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:24:44,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855990050] [2024-11-17 07:24:44,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:24:44,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:24:45,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:45,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-17 07:24:45,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:45,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:24:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:45,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-17 07:24:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:45,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-17 07:24:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:45,380 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 07:24:45,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:24:45,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855990050] [2024-11-17 07:24:45,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855990050] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:24:45,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [102161462] [2024-11-17 07:24:45,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:24:45,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:24:45,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:24:45,382 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:24:45,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 07:24:46,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:46,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-17 07:24:46,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:24:46,218 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:24:46,219 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:24:46,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [102161462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:24:46,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:24:46,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2024-11-17 07:24:46,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637716795] [2024-11-17 07:24:46,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:24:46,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 07:24:46,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:24:46,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 07:24:46,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-17 07:24:46,220 INFO L87 Difference]: Start difference. First operand 1016 states and 1332 transitions. Second operand has 8 states, 8 states have (on average 22.875) internal successors, (183), 8 states have internal predecessors, (183), 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) [2024-11-17 07:24:47,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:24:47,487 INFO L93 Difference]: Finished difference Result 1998 states and 2631 transitions. [2024-11-17 07:24:47,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 07:24:47,488 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.875) internal successors, (183), 8 states have internal predecessors, (183), 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 200 [2024-11-17 07:24:47,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:24:47,492 INFO L225 Difference]: With dead ends: 1998 [2024-11-17 07:24:47,492 INFO L226 Difference]: Without dead ends: 1046 [2024-11-17 07:24:47,493 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-17 07:24:47,494 INFO L432 NwaCegarLoop]: 412 mSDtfsCounter, 13 mSDsluCounter, 2151 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 2563 SdHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-17 07:24:47,494 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2563 Invalid, 587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-17 07:24:47,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1046 states. [2024-11-17 07:24:47,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1046 to 1031. [2024-11-17 07:24:47,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1031 states, 996 states have (on average 1.2991967871485943) internal successors, (1294), 1010 states have internal predecessors, (1294), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-17 07:24:47,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 1031 states and 1350 transitions. [2024-11-17 07:24:47,523 INFO L78 Accepts]: Start accepts. Automaton has 1031 states and 1350 transitions. Word has length 200 [2024-11-17 07:24:47,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:24:47,524 INFO L471 AbstractCegarLoop]: Abstraction has 1031 states and 1350 transitions. [2024-11-17 07:24:47,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.875) internal successors, (183), 8 states have internal predecessors, (183), 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) [2024-11-17 07:24:47,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1350 transitions. [2024-11-17 07:24:47,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-17 07:24:47,525 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:24:47,525 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:24:47,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-17 07:24:47,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:24:47,726 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:24:47,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:24:47,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1326298132, now seen corresponding path program 1 times [2024-11-17 07:24:47,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:24:47,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915921556] [2024-11-17 07:24:47,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:24:47,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:24:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:48,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-17 07:24:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:48,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:24:48,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:48,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-17 07:24:48,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:48,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-17 07:24:48,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:48,239 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:24:48,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:24:48,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915921556] [2024-11-17 07:24:48,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915921556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:24:48,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:24:48,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-17 07:24:48,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805167117] [2024-11-17 07:24:48,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:24:48,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 07:24:48,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:24:48,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 07:24:48,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-17 07:24:48,242 INFO L87 Difference]: Start difference. First operand 1031 states and 1350 transitions. Second operand has 10 states, 10 states have (on average 18.3) internal successors, (183), 9 states have internal predecessors, (183), 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) [2024-11-17 07:24:48,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:24:48,823 INFO L93 Difference]: Finished difference Result 2026 states and 2682 transitions. [2024-11-17 07:24:48,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 07:24:48,824 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 18.3) internal successors, (183), 9 states have internal predecessors, (183), 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 200 [2024-11-17 07:24:48,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:24:48,828 INFO L225 Difference]: With dead ends: 2026 [2024-11-17 07:24:48,828 INFO L226 Difference]: Without dead ends: 1064 [2024-11-17 07:24:48,830 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-17 07:24:48,830 INFO L432 NwaCegarLoop]: 418 mSDtfsCounter, 22 mSDsluCounter, 2115 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 2533 SdHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 07:24:48,830 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 2533 Invalid, 765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 07:24:48,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states. [2024-11-17 07:24:48,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 1052. [2024-11-17 07:24:48,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1052 states, 1017 states have (on average 1.2989183874139627) internal successors, (1321), 1031 states have internal predecessors, (1321), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-17 07:24:48,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1377 transitions. [2024-11-17 07:24:48,854 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1377 transitions. Word has length 200 [2024-11-17 07:24:48,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:24:48,854 INFO L471 AbstractCegarLoop]: Abstraction has 1052 states and 1377 transitions. [2024-11-17 07:24:48,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.3) internal successors, (183), 9 states have internal predecessors, (183), 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) [2024-11-17 07:24:48,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1377 transitions. [2024-11-17 07:24:48,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-17 07:24:48,856 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:24:48,856 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:24:48,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-17 07:24:48,856 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:24:48,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:24:48,857 INFO L85 PathProgramCache]: Analyzing trace with hash 22587120, now seen corresponding path program 1 times [2024-11-17 07:24:48,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:24:48,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168693472] [2024-11-17 07:24:48,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:24:48,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:24:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:49,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 07:24:49,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:49,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-17 07:24:49,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:49,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-17 07:24:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:49,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-17 07:24:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:49,481 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 07:24:49,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:24:49,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168693472] [2024-11-17 07:24:49,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168693472] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:24:49,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1342268057] [2024-11-17 07:24:49,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:24:49,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:24:49,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:24:49,483 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:24:49,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 07:24:51,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:51,519 INFO L255 TraceCheckSpWp]: Trace formula consists of 1045 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 07:24:51,523 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:24:51,541 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-17 07:24:51,541 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:24:51,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1342268057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:24:51,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:24:51,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2024-11-17 07:24:51,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993783470] [2024-11-17 07:24:51,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:24:51,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:24:51,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:24:51,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:24:51,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 07:24:51,543 INFO L87 Difference]: Start difference. First operand 1052 states and 1377 transitions. Second operand has 4 states, 4 states have (on average 47.5) internal successors, (190), 4 states have internal predecessors, (190), 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) [2024-11-17 07:24:51,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:24:51,634 INFO L93 Difference]: Finished difference Result 1996 states and 2634 transitions. [2024-11-17 07:24:51,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:24:51,635 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 47.5) internal successors, (190), 4 states have internal predecessors, (190), 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 201 [2024-11-17 07:24:51,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:24:51,638 INFO L225 Difference]: With dead ends: 1996 [2024-11-17 07:24:51,638 INFO L226 Difference]: Without dead ends: 1055 [2024-11-17 07:24:51,640 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 07:24:51,641 INFO L432 NwaCegarLoop]: 426 mSDtfsCounter, 0 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1271 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:24:51,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1271 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:24:51,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2024-11-17 07:24:51,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 1055. [2024-11-17 07:24:51,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1055 states, 1019 states have (on average 1.2993130520117762) internal successors, (1324), 1034 states have internal predecessors, (1324), 28 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (34), 19 states have call predecessors, (34), 28 states have call successors, (34) [2024-11-17 07:24:51,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1386 transitions. [2024-11-17 07:24:51,667 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1386 transitions. Word has length 201 [2024-11-17 07:24:51,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:24:51,668 INFO L471 AbstractCegarLoop]: Abstraction has 1055 states and 1386 transitions. [2024-11-17 07:24:51,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.5) internal successors, (190), 4 states have internal predecessors, (190), 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) [2024-11-17 07:24:51,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1386 transitions. [2024-11-17 07:24:51,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-17 07:24:51,669 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:24:51,669 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:24:51,710 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-17 07:24:51,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:24:51,872 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:24:51,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:24:51,872 INFO L85 PathProgramCache]: Analyzing trace with hash -535706184, now seen corresponding path program 1 times [2024-11-17 07:24:51,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:24:51,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789515646] [2024-11-17 07:24:51,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:24:51,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:24:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:52,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 07:24:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:52,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 07:24:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:52,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-17 07:24:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:52,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-17 07:24:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:52,801 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-17 07:24:52,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:24:52,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789515646] [2024-11-17 07:24:52,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789515646] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:24:52,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [105688736] [2024-11-17 07:24:52,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:24:52,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:24:52,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:24:52,806 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:24:52,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 07:24:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:24:53,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 1105 conjuncts, 156 conjuncts are in the unsatisfiable core [2024-11-17 07:24:53,912 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:24:53,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-17 07:24:54,120 INFO L349 Elim1Store]: treesize reduction 32, result has 30.4 percent of original size [2024-11-17 07:24:54,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 20 [2024-11-17 07:24:54,128 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 15 treesize of output 1 [2024-11-17 07:24:54,133 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 [2024-11-17 07:24:54,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 8 treesize of output 4 [2024-11-17 07:24:54,236 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-17 07:24:54,236 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 38 [2024-11-17 07:24:54,240 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 16 treesize of output 1