./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-3.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 2dcad53e9f7fd6e0b6384d19db4719ec6aa2601fd94c6ce0d3c746f1ec6b3601 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 16:12:23,632 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 16:12:23,709 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 16:12:23,717 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 16:12:23,718 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 16:12:23,749 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 16:12:23,750 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 16:12:23,750 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 16:12:23,751 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 16:12:23,753 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 16:12:23,753 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 16:12:23,753 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 16:12:23,754 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 16:12:23,754 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 16:12:23,755 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 16:12:23,755 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 16:12:23,755 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 16:12:23,755 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 16:12:23,756 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 16:12:23,756 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 16:12:23,756 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 16:12:23,757 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 16:12:23,757 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 16:12:23,758 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 16:12:23,758 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 16:12:23,758 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 16:12:23,758 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 16:12:23,759 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 16:12:23,759 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 16:12:23,759 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 16:12:23,760 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 16:12:23,760 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 16:12:23,760 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 16:12:23,760 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 16:12:23,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:12:23,761 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 16:12:23,761 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 16:12:23,761 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 16:12:23,761 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 16:12:23,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 16:12:23,762 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 16:12:23,763 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 16:12:23,763 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 16:12:23,763 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 16:12:23,763 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2dcad53e9f7fd6e0b6384d19db4719ec6aa2601fd94c6ce0d3c746f1ec6b3601 [2024-10-13 16:12:23,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 16:12:24,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 16:12:24,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 16:12:24,009 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 16:12:24,009 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 16:12:24,010 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-3.i [2024-10-13 16:12:25,435 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 16:12:25,715 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 16:12:25,716 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-3.i [2024-10-13 16:12:25,735 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee5532f75/5abce29e53874b049372b98767e76364/FLAG23840a11a [2024-10-13 16:12:25,746 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee5532f75/5abce29e53874b049372b98767e76364 [2024-10-13 16:12:25,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 16:12:25,749 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 16:12:25,750 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 16:12:25,750 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 16:12:25,755 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 16:12:25,756 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:12:25" (1/1) ... [2024-10-13 16:12:25,757 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25d84e5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:12:25, skipping insertion in model container [2024-10-13 16:12:25,757 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:12:25" (1/1) ... [2024-10-13 16:12:25,814 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 16:12:26,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:12:26,341 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 16:12:26,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:12:26,559 INFO L204 MainTranslator]: Completed translation [2024-10-13 16:12:26,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:12:26 WrapperNode [2024-10-13 16:12:26,560 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 16:12:26,561 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 16:12:26,561 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 16:12:26,561 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 16:12:26,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:12:26" (1/1) ... [2024-10-13 16:12:26,598 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:12:26" (1/1) ... [2024-10-13 16:12:26,664 INFO L138 Inliner]: procedures = 176, calls = 435, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1912 [2024-10-13 16:12:26,665 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 16:12:26,665 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 16:12:26,666 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 16:12:26,666 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 16:12:26,676 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:12:26" (1/1) ... [2024-10-13 16:12:26,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:12:26" (1/1) ... [2024-10-13 16:12:26,702 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:12:26" (1/1) ... [2024-10-13 16:12:26,843 INFO L175 MemorySlicer]: Split 403 memory accesses to 2 slices as follows [2, 401]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 98 writes are split as follows [0, 98]. [2024-10-13 16:12:26,843 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:12:26" (1/1) ... [2024-10-13 16:12:26,843 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:12:26" (1/1) ... [2024-10-13 16:12:26,896 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:12:26" (1/1) ... [2024-10-13 16:12:26,916 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:12:26" (1/1) ... [2024-10-13 16:12:26,931 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:12:26" (1/1) ... [2024-10-13 16:12:26,944 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:12:26" (1/1) ... [2024-10-13 16:12:26,973 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 16:12:26,975 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 16:12:26,976 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 16:12:26,976 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 16:12:26,977 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:12:26" (1/1) ... [2024-10-13 16:12:26,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:12:26,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:12:27,007 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 16:12:27,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 16:12:27,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 16:12:27,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 16:12:27,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-13 16:12:27,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-13 16:12:27,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 16:12:27,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 16:12:27,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-13 16:12:27,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-13 16:12:27,055 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-13 16:12:27,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-13 16:12:27,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-13 16:12:27,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 16:12:27,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-13 16:12:27,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-13 16:12:27,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-13 16:12:27,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-13 16:12:27,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 16:12:27,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 16:12:27,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 16:12:27,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 16:12:27,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 16:12:27,332 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 16:12:27,357 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 16:12:29,034 INFO L? ?]: Removed 436 outVars from TransFormulas that were not future-live. [2024-10-13 16:12:29,035 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 16:12:29,078 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 16:12:29,078 INFO L314 CfgBuilder]: Removed 77 assume(true) statements. [2024-10-13 16:12:29,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:12:29 BoogieIcfgContainer [2024-10-13 16:12:29,079 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 16:12:29,080 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 16:12:29,080 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 16:12:29,087 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 16:12:29,087 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:12:25" (1/3) ... [2024-10-13 16:12:29,088 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13c1122a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:12:29, skipping insertion in model container [2024-10-13 16:12:29,088 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:12:26" (2/3) ... [2024-10-13 16:12:29,088 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13c1122a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:12:29, skipping insertion in model container [2024-10-13 16:12:29,089 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:12:29" (3/3) ... [2024-10-13 16:12:29,090 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test4-3.i [2024-10-13 16:12:29,103 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 16:12:29,103 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-13 16:12:29,175 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 16:12:29,180 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;@3d1f53b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 16:12:29,180 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-13 16:12:29,185 INFO L276 IsEmpty]: Start isEmpty. Operand has 492 states, 467 states have (on average 1.633832976445396) internal successors, (763), 483 states have internal predecessors, (763), 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) [2024-10-13 16:12:29,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-13 16:12:29,190 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:29,191 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-13 16:12:29,191 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 16:12:29,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:29,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1813458813, now seen corresponding path program 1 times [2024-10-13 16:12:29,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:29,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655488650] [2024-10-13 16:12:29,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:29,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:29,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:12:29,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:29,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655488650] [2024-10-13 16:12:29,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655488650] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:29,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:12:29,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:12:29,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947574996] [2024-10-13 16:12:29,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:29,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 16:12:29,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:29,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 16:12:29,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 16:12:29,369 INFO L87 Difference]: Start difference. First operand has 492 states, 467 states have (on average 1.633832976445396) internal successors, (763), 483 states have internal predecessors, (763), 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, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:12:29,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:29,464 INFO L93 Difference]: Finished difference Result 981 states and 1598 transitions. [2024-10-13 16:12:29,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 16:12:29,467 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2024-10-13 16:12:29,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:29,483 INFO L225 Difference]: With dead ends: 981 [2024-10-13 16:12:29,484 INFO L226 Difference]: Without dead ends: 426 [2024-10-13 16:12:29,492 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 16:12:29,496 INFO L432 NwaCegarLoop]: 702 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:29,497 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 702 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:12:29,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-10-13 16:12:29,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 426. [2024-10-13 16:12:29,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 403 states have (on average 1.4590570719602978) internal successors, (588), 417 states have internal predecessors, (588), 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) [2024-10-13 16:12:29,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 620 transitions. [2024-10-13 16:12:29,556 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 620 transitions. Word has length 5 [2024-10-13 16:12:29,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:29,557 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 620 transitions. [2024-10-13 16:12:29,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:12:29,557 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 620 transitions. [2024-10-13 16:12:29,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-13 16:12:29,557 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:29,557 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-13 16:12:29,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 16:12:29,558 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 16:12:29,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:29,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1769814998, now seen corresponding path program 1 times [2024-10-13 16:12:29,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:29,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136396755] [2024-10-13 16:12:29,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:29,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:29,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:29,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:12:29,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:29,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136396755] [2024-10-13 16:12:29,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136396755] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:29,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:12:29,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:12:29,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048791205] [2024-10-13 16:12:29,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:29,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:12:29,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:29,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:12:29,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:12:29,623 INFO L87 Difference]: Start difference. First operand 426 states and 620 transitions. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:12:29,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:29,698 INFO L93 Difference]: Finished difference Result 843 states and 1232 transitions. [2024-10-13 16:12:29,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:12:29,699 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2024-10-13 16:12:29,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:29,706 INFO L225 Difference]: With dead ends: 843 [2024-10-13 16:12:29,706 INFO L226 Difference]: Without dead ends: 812 [2024-10-13 16:12:29,707 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:12:29,708 INFO L432 NwaCegarLoop]: 658 mSDtfsCounter, 547 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 1268 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:29,710 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [553 Valid, 1268 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:12:29,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2024-10-13 16:12:29,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 427. [2024-10-13 16:12:29,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 404 states have (on average 1.4579207920792079) internal successors, (589), 418 states have internal predecessors, (589), 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) [2024-10-13 16:12:29,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 621 transitions. [2024-10-13 16:12:29,776 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 621 transitions. Word has length 5 [2024-10-13 16:12:29,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:29,777 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 621 transitions. [2024-10-13 16:12:29,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:12:29,777 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 621 transitions. [2024-10-13 16:12:29,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-13 16:12:29,778 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:29,778 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-13 16:12:29,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 16:12:29,778 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 16:12:29,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:29,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1013411933, now seen corresponding path program 1 times [2024-10-13 16:12:29,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:29,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640498818] [2024-10-13 16:12:29,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:29,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:29,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 16:12:29,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1535768579] [2024-10-13 16:12:29,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:29,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:12:29,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:12:29,818 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 16:12:29,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 16:12:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:30,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 16:12:30,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:12:30,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:12:30,060 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:12:30,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:30,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640498818] [2024-10-13 16:12:30,061 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 16:12:30,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535768579] [2024-10-13 16:12:30,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1535768579] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:30,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:12:30,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 16:12:30,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962395788] [2024-10-13 16:12:30,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:30,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:12:30,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:30,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:12:30,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:12:30,063 INFO L87 Difference]: Start difference. First operand 427 states and 621 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:12:30,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:30,115 INFO L93 Difference]: Finished difference Result 813 states and 1181 transitions. [2024-10-13 16:12:30,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:12:30,116 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-13 16:12:30,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:30,120 INFO L225 Difference]: With dead ends: 813 [2024-10-13 16:12:30,120 INFO L226 Difference]: Without dead ends: 812 [2024-10-13 16:12:30,121 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:12:30,122 INFO L432 NwaCegarLoop]: 706 mSDtfsCounter, 543 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 1316 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:30,124 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 1316 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:12:30,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2024-10-13 16:12:30,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 431. [2024-10-13 16:12:30,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 408 states have (on average 1.4534313725490196) internal successors, (593), 422 states have internal predecessors, (593), 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) [2024-10-13 16:12:30,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 625 transitions. [2024-10-13 16:12:30,144 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 625 transitions. Word has length 6 [2024-10-13 16:12:30,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:30,144 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 625 transitions. [2024-10-13 16:12:30,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:12:30,144 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 625 transitions. [2024-10-13 16:12:30,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-13 16:12:30,151 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:30,151 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] [2024-10-13 16:12:30,169 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 16:12:30,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:12:30,352 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 16:12:30,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:30,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1155176695, now seen corresponding path program 1 times [2024-10-13 16:12:30,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:30,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490587754] [2024-10-13 16:12:30,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:30,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:30,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:12:30,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:30,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490587754] [2024-10-13 16:12:30,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490587754] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:30,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:12:30,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 16:12:30,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51921562] [2024-10-13 16:12:30,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:30,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 16:12:30,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:30,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 16:12:30,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:12:30,986 INFO L87 Difference]: Start difference. First operand 431 states and 625 transitions. Second operand has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:12:31,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:31,100 INFO L93 Difference]: Finished difference Result 859 states and 1247 transitions. [2024-10-13 16:12:31,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:12:31,101 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 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 150 [2024-10-13 16:12:31,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:31,104 INFO L225 Difference]: With dead ends: 859 [2024-10-13 16:12:31,105 INFO L226 Difference]: Without dead ends: 434 [2024-10-13 16:12:31,107 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:12:31,108 INFO L432 NwaCegarLoop]: 589 mSDtfsCounter, 87 mSDsluCounter, 1665 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 2254 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:31,110 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 2254 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 16:12:31,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2024-10-13 16:12:31,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 431. [2024-10-13 16:12:31,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 408 states have (on average 1.4362745098039216) internal successors, (586), 422 states have internal predecessors, (586), 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) [2024-10-13 16:12:31,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 618 transitions. [2024-10-13 16:12:31,126 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 618 transitions. Word has length 150 [2024-10-13 16:12:31,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:31,126 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 618 transitions. [2024-10-13 16:12:31,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:12:31,127 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 618 transitions. [2024-10-13 16:12:31,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-13 16:12:31,134 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:31,134 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] [2024-10-13 16:12:31,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 16:12:31,135 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 16:12:31,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:31,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1059814531, now seen corresponding path program 1 times [2024-10-13 16:12:31,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:31,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892592103] [2024-10-13 16:12:31,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:31,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:31,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:12:31,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:31,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892592103] [2024-10-13 16:12:31,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892592103] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:31,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:12:31,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 16:12:31,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330552881] [2024-10-13 16:12:31,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:31,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:12:31,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:31,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:12:31,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:12:31,485 INFO L87 Difference]: Start difference. First operand 431 states and 618 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:12:31,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:31,554 INFO L93 Difference]: Finished difference Result 862 states and 1239 transitions. [2024-10-13 16:12:31,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:12:31,555 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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 150 [2024-10-13 16:12:31,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:31,558 INFO L225 Difference]: With dead ends: 862 [2024-10-13 16:12:31,558 INFO L226 Difference]: Without dead ends: 437 [2024-10-13 16:12:31,560 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:12:31,561 INFO L432 NwaCegarLoop]: 604 mSDtfsCounter, 1 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1187 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:31,561 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1187 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:12:31,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2024-10-13 16:12:31,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 437. [2024-10-13 16:12:31,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 414 states have (on average 1.429951690821256) internal successors, (592), 428 states have internal predecessors, (592), 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) [2024-10-13 16:12:31,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 624 transitions. [2024-10-13 16:12:31,577 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 624 transitions. Word has length 150 [2024-10-13 16:12:31,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:31,579 INFO L471 AbstractCegarLoop]: Abstraction has 437 states and 624 transitions. [2024-10-13 16:12:31,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:12:31,580 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 624 transitions. [2024-10-13 16:12:31,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-13 16:12:31,583 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:31,583 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] [2024-10-13 16:12:31,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 16:12:31,584 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 16:12:31,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:31,586 INFO L85 PathProgramCache]: Analyzing trace with hash 571767425, now seen corresponding path program 1 times [2024-10-13 16:12:31,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:31,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137713497] [2024-10-13 16:12:31,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:31,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:31,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:31,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:12:31,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:31,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137713497] [2024-10-13 16:12:31,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137713497] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:31,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:12:31,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:12:31,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378751074] [2024-10-13 16:12:31,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:31,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:12:31,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:31,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:12:31,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:12:31,812 INFO L87 Difference]: Start difference. First operand 437 states and 624 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 2 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:12:31,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:31,871 INFO L93 Difference]: Finished difference Result 1001 states and 1435 transitions. [2024-10-13 16:12:31,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:12:31,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 2 states have internal predecessors, (150), 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 150 [2024-10-13 16:12:31,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:31,877 INFO L225 Difference]: With dead ends: 1001 [2024-10-13 16:12:31,877 INFO L226 Difference]: Without dead ends: 570 [2024-10-13 16:12:31,878 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:12:31,880 INFO L432 NwaCegarLoop]: 609 mSDtfsCounter, 134 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1212 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:31,881 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1212 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:12:31,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2024-10-13 16:12:31,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 570. [2024-10-13 16:12:31,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 547 states have (on average 1.43327239488117) internal successors, (784), 561 states have internal predecessors, (784), 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) [2024-10-13 16:12:31,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 816 transitions. [2024-10-13 16:12:31,913 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 816 transitions. Word has length 150 [2024-10-13 16:12:31,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:31,914 INFO L471 AbstractCegarLoop]: Abstraction has 570 states and 816 transitions. [2024-10-13 16:12:31,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 2 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:12:31,914 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 816 transitions. [2024-10-13 16:12:31,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-13 16:12:31,918 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:31,918 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:12:31,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 16:12:31,918 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 16:12:31,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:31,919 INFO L85 PathProgramCache]: Analyzing trace with hash 784383140, now seen corresponding path program 1 times [2024-10-13 16:12:31,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:31,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113475953] [2024-10-13 16:12:31,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:31,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:32,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-13 16:12:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:32,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 16:12:32,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:32,279 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-13 16:12:32,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:32,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113475953] [2024-10-13 16:12:32,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113475953] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:32,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:12:32,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 16:12:32,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236558421] [2024-10-13 16:12:32,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:32,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 16:12:32,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:32,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 16:12:32,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:12:32,284 INFO L87 Difference]: Start difference. First operand 570 states and 816 transitions. Second operand has 5 states, 5 states have (on average 31.4) internal successors, (157), 4 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 16:12:32,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:32,751 INFO L93 Difference]: Finished difference Result 961 states and 1376 transitions. [2024-10-13 16:12:32,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 16:12:32,752 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.4) internal successors, (157), 4 states have internal predecessors, (157), 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 163 [2024-10-13 16:12:32,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:32,755 INFO L225 Difference]: With dead ends: 961 [2024-10-13 16:12:32,755 INFO L226 Difference]: Without dead ends: 530 [2024-10-13 16:12:32,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-13 16:12:32,761 INFO L432 NwaCegarLoop]: 504 mSDtfsCounter, 35 mSDsluCounter, 1364 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 1868 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:32,761 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 1868 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 16:12:32,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2024-10-13 16:12:32,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 528. [2024-10-13 16:12:32,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 505 states have (on average 1.4) internal successors, (707), 519 states have internal predecessors, (707), 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) [2024-10-13 16:12:32,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 739 transitions. [2024-10-13 16:12:32,777 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 739 transitions. Word has length 163 [2024-10-13 16:12:32,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:32,778 INFO L471 AbstractCegarLoop]: Abstraction has 528 states and 739 transitions. [2024-10-13 16:12:32,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.4) internal successors, (157), 4 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 16:12:32,779 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 739 transitions. [2024-10-13 16:12:32,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-13 16:12:32,781 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:32,781 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:12:32,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 16:12:32,781 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 16:12:32,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:32,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1933111400, now seen corresponding path program 1 times [2024-10-13 16:12:32,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:32,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319467645] [2024-10-13 16:12:32,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:32,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:32,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:33,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-13 16:12:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:33,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 16:12:33,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:33,039 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-13 16:12:33,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:33,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319467645] [2024-10-13 16:12:33,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319467645] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:33,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:12:33,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 16:12:33,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849137017] [2024-10-13 16:12:33,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:33,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:12:33,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:33,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:12:33,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:12:33,042 INFO L87 Difference]: Start difference. First operand 528 states and 739 transitions. Second operand has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 16:12:33,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:33,497 INFO L93 Difference]: Finished difference Result 1065 states and 1489 transitions. [2024-10-13 16:12:33,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:12:33,497 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 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 163 [2024-10-13 16:12:33,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:33,501 INFO L225 Difference]: With dead ends: 1065 [2024-10-13 16:12:33,501 INFO L226 Difference]: Without dead ends: 676 [2024-10-13 16:12:33,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:12:33,502 INFO L432 NwaCegarLoop]: 522 mSDtfsCounter, 248 mSDsluCounter, 917 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 1439 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:33,503 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 1439 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 16:12:33,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2024-10-13 16:12:33,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 674. [2024-10-13 16:12:33,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 674 states, 648 states have (on average 1.3858024691358024) internal successors, (898), 662 states have internal predecessors, (898), 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) [2024-10-13 16:12:33,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 936 transitions. [2024-10-13 16:12:33,519 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 936 transitions. Word has length 163 [2024-10-13 16:12:33,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:33,520 INFO L471 AbstractCegarLoop]: Abstraction has 674 states and 936 transitions. [2024-10-13 16:12:33,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 16:12:33,521 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 936 transitions. [2024-10-13 16:12:33,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-10-13 16:12:33,522 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:33,523 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:12:33,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 16:12:33,523 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 16:12:33,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:33,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1344808361, now seen corresponding path program 1 times [2024-10-13 16:12:33,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:33,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918309007] [2024-10-13 16:12:33,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:33,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:33,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:33,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-13 16:12:33,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:33,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 16:12:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:33,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 16:12:33,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:33,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 16:12:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:33,875 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 16:12:33,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:33,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918309007] [2024-10-13 16:12:33,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918309007] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:33,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:12:33,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 16:12:33,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709365980] [2024-10-13 16:12:33,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:33,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 16:12:33,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:33,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 16:12:33,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:12:33,877 INFO L87 Difference]: Start difference. First operand 674 states and 936 transitions. Second operand has 5 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:12:34,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:34,216 INFO L93 Difference]: Finished difference Result 676 states and 947 transitions. [2024-10-13 16:12:34,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 16:12:34,217 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 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 176 [2024-10-13 16:12:34,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:34,220 INFO L225 Difference]: With dead ends: 676 [2024-10-13 16:12:34,220 INFO L226 Difference]: Without dead ends: 675 [2024-10-13 16:12:34,220 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:12:34,221 INFO L432 NwaCegarLoop]: 512 mSDtfsCounter, 306 mSDsluCounter, 948 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 1460 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:34,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 1460 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 16:12:34,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2024-10-13 16:12:34,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 673. [2024-10-13 16:12:34,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 648 states have (on average 1.3842592592592593) internal successors, (897), 661 states have internal predecessors, (897), 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) [2024-10-13 16:12:34,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 935 transitions. [2024-10-13 16:12:34,238 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 935 transitions. Word has length 176 [2024-10-13 16:12:34,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:34,239 INFO L471 AbstractCegarLoop]: Abstraction has 673 states and 935 transitions. [2024-10-13 16:12:34,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:12:34,239 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 935 transitions. [2024-10-13 16:12:34,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-10-13 16:12:34,241 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:34,241 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:12:34,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 16:12:34,241 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 16:12:34,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:34,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1260615286, now seen corresponding path program 1 times [2024-10-13 16:12:34,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:34,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124782724] [2024-10-13 16:12:34,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:34,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:34,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:34,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-13 16:12:34,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:34,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 16:12:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:34,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 16:12:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:34,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 16:12:34,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:34,584 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 16:12:34,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:34,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124782724] [2024-10-13 16:12:34,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124782724] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:34,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:12:34,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 16:12:34,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793382680] [2024-10-13 16:12:34,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:34,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 16:12:34,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:34,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 16:12:34,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:12:34,586 INFO L87 Difference]: Start difference. First operand 673 states and 935 transitions. Second operand has 5 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:12:34,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:34,973 INFO L93 Difference]: Finished difference Result 740 states and 1034 transitions. [2024-10-13 16:12:34,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 16:12:34,973 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 177 [2024-10-13 16:12:34,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:34,977 INFO L225 Difference]: With dead ends: 740 [2024-10-13 16:12:34,977 INFO L226 Difference]: Without dead ends: 739 [2024-10-13 16:12:34,978 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:12:34,978 INFO L432 NwaCegarLoop]: 558 mSDtfsCounter, 299 mSDsluCounter, 1481 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 2039 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:34,978 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 2039 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 16:12:34,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2024-10-13 16:12:34,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 737. [2024-10-13 16:12:34,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 737 states, 709 states have (on average 1.375176304654443) internal successors, (975), 722 states have internal predecessors, (975), 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) [2024-10-13 16:12:34,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 1019 transitions. [2024-10-13 16:12:34,999 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 1019 transitions. Word has length 177 [2024-10-13 16:12:35,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:35,000 INFO L471 AbstractCegarLoop]: Abstraction has 737 states and 1019 transitions. [2024-10-13 16:12:35,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:12:35,000 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1019 transitions. [2024-10-13 16:12:35,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-10-13 16:12:35,002 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:35,002 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:12:35,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 16:12:35,003 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)] === [2024-10-13 16:12:35,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:35,003 INFO L85 PathProgramCache]: Analyzing trace with hash -2027494317, now seen corresponding path program 1 times [2024-10-13 16:12:35,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:35,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814115284] [2024-10-13 16:12:35,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:35,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:35,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-13 16:12:35,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:35,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 16:12:35,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:35,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 16:12:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:35,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 16:12:35,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:35,365 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-13 16:12:35,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:35,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814115284] [2024-10-13 16:12:35,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814115284] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:35,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:12:35,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 16:12:35,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549941743] [2024-10-13 16:12:35,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:35,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 16:12:35,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:35,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 16:12:35,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:12:35,371 INFO L87 Difference]: Start difference. First operand 737 states and 1019 transitions. Second operand has 5 states, 4 states have (on average 41.75) internal successors, (167), 4 states have internal predecessors, (167), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:12:35,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:35,877 INFO L93 Difference]: Finished difference Result 763 states and 1075 transitions. [2024-10-13 16:12:35,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 16:12:35,878 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 41.75) internal successors, (167), 4 states have internal predecessors, (167), 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 181 [2024-10-13 16:12:35,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:35,881 INFO L225 Difference]: With dead ends: 763 [2024-10-13 16:12:35,882 INFO L226 Difference]: Without dead ends: 761 [2024-10-13 16:12:35,882 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-13 16:12:35,883 INFO L432 NwaCegarLoop]: 514 mSDtfsCounter, 341 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 1436 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:35,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 1436 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 16:12:35,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2024-10-13 16:12:35,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 740. [2024-10-13 16:12:35,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 740 states, 712 states have (on average 1.3735955056179776) internal successors, (978), 725 states have internal predecessors, (978), 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) [2024-10-13 16:12:35,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 1022 transitions. [2024-10-13 16:12:35,906 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 1022 transitions. Word has length 181 [2024-10-13 16:12:35,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:35,907 INFO L471 AbstractCegarLoop]: Abstraction has 740 states and 1022 transitions. [2024-10-13 16:12:35,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 41.75) internal successors, (167), 4 states have internal predecessors, (167), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:12:35,907 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1022 transitions. [2024-10-13 16:12:35,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-10-13 16:12:35,909 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:35,909 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:12:35,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 16:12:35,910 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 16:12:35,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:35,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1529083590, now seen corresponding path program 1 times [2024-10-13 16:12:35,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:35,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512428765] [2024-10-13 16:12:35,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:35,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:36,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:36,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-13 16:12:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:36,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 16:12:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:36,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 16:12:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:36,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 16:12:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:36,857 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 16:12:36,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:36,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512428765] [2024-10-13 16:12:36,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512428765] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:12:36,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1307830904] [2024-10-13 16:12:36,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:36,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:12:36,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:12:36,862 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 16:12:36,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 16:12:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:37,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 1032 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-13 16:12:37,470 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:12:37,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-13 16:12:37,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-10-13 16:12:38,369 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 16:12:38,369 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:12:38,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1307830904] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:38,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 16:12:38,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 14 [2024-10-13 16:12:38,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768412775] [2024-10-13 16:12:38,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:38,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 16:12:38,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:38,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 16:12:38,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-10-13 16:12:38,371 INFO L87 Difference]: Start difference. First operand 740 states and 1022 transitions. Second operand has 11 states, 11 states have (on average 15.272727272727273) internal successors, (168), 10 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) [2024-10-13 16:12:41,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:41,096 INFO L93 Difference]: Finished difference Result 1425 states and 1962 transitions. [2024-10-13 16:12:41,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 16:12:41,097 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 15.272727272727273) internal successors, (168), 10 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 182 [2024-10-13 16:12:41,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:41,101 INFO L225 Difference]: With dead ends: 1425 [2024-10-13 16:12:41,101 INFO L226 Difference]: Without dead ends: 777 [2024-10-13 16:12:41,102 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2024-10-13 16:12:41,103 INFO L432 NwaCegarLoop]: 551 mSDtfsCounter, 720 mSDsluCounter, 2500 mSDsCounter, 0 mSdLazyCounter, 949 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 725 SdHoareTripleChecker+Valid, 3051 SdHoareTripleChecker+Invalid, 953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 949 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:41,103 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [725 Valid, 3051 Invalid, 953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 949 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-10-13 16:12:41,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2024-10-13 16:12:41,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 772. [2024-10-13 16:12:41,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 772 states, 744 states have (on average 1.364247311827957) internal successors, (1015), 757 states have internal predecessors, (1015), 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) [2024-10-13 16:12:41,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 1059 transitions. [2024-10-13 16:12:41,127 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 1059 transitions. Word has length 182 [2024-10-13 16:12:41,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:41,128 INFO L471 AbstractCegarLoop]: Abstraction has 772 states and 1059 transitions. [2024-10-13 16:12:41,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.272727272727273) internal successors, (168), 10 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) [2024-10-13 16:12:41,128 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1059 transitions. [2024-10-13 16:12:41,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-10-13 16:12:41,130 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:41,130 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:12:41,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-13 16:12:41,331 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,SelfDestructingSolverStorable11 [2024-10-13 16:12:41,331 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 16:12:41,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:41,333 INFO L85 PathProgramCache]: Analyzing trace with hash 640377503, now seen corresponding path program 1 times [2024-10-13 16:12:41,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:41,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348017169] [2024-10-13 16:12:41,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:41,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:41,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-13 16:12:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:41,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 16:12:41,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:41,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 16:12:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:41,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 16:12:41,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:41,936 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 16:12:41,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:41,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348017169] [2024-10-13 16:12:41,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348017169] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:12:41,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117339555] [2024-10-13 16:12:41,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:41,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:12:41,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:12:41,939 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 16:12:41,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 16:12:42,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:42,499 INFO L255 TraceCheckSpWp]: Trace formula consists of 1033 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-13 16:12:42,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:12:42,567 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 16:12:42,570 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:12:42,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117339555] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:42,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 16:12:42,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2024-10-13 16:12:42,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037348620] [2024-10-13 16:12:42,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:42,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:12:42,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:42,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:12:42,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-13 16:12:42,572 INFO L87 Difference]: Start difference. First operand 772 states and 1059 transitions. Second operand has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:12:42,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:42,792 INFO L93 Difference]: Finished difference Result 1470 states and 2020 transitions. [2024-10-13 16:12:42,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:12:42,793 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 183 [2024-10-13 16:12:42,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:42,797 INFO L225 Difference]: With dead ends: 1470 [2024-10-13 16:12:42,797 INFO L226 Difference]: Without dead ends: 822 [2024-10-13 16:12:42,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-13 16:12:42,798 INFO L432 NwaCegarLoop]: 517 mSDtfsCounter, 17 mSDsluCounter, 846 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1363 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:42,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1363 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 16:12:42,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2024-10-13 16:12:42,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 806. [2024-10-13 16:12:42,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 806 states, 778 states have (on average 1.3560411311053984) internal successors, (1055), 791 states have internal predecessors, (1055), 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) [2024-10-13 16:12:42,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 1099 transitions. [2024-10-13 16:12:42,820 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 1099 transitions. Word has length 183 [2024-10-13 16:12:42,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:42,820 INFO L471 AbstractCegarLoop]: Abstraction has 806 states and 1099 transitions. [2024-10-13 16:12:42,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:12:42,821 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1099 transitions. [2024-10-13 16:12:42,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-10-13 16:12:42,823 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:42,823 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:12:42,846 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-13 16:12:43,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:12:43,024 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 16:12:43,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:43,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1801326143, now seen corresponding path program 1 times [2024-10-13 16:12:43,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:43,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585264157] [2024-10-13 16:12:43,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:43,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:43,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:43,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 16:12:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:43,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 16:12:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:43,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 16:12:43,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:43,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 16:12:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:43,541 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 16:12:43,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:43,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585264157] [2024-10-13 16:12:43,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585264157] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:43,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:12:43,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 16:12:43,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154982537] [2024-10-13 16:12:43,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:43,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 16:12:43,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:43,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 16:12:43,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-13 16:12:43,547 INFO L87 Difference]: Start difference. First operand 806 states and 1099 transitions. Second operand has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 6 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:12:44,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:44,810 INFO L93 Difference]: Finished difference Result 1498 states and 2060 transitions. [2024-10-13 16:12:44,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 16:12:44,811 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 6 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 184 [2024-10-13 16:12:44,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:44,815 INFO L225 Difference]: With dead ends: 1498 [2024-10-13 16:12:44,815 INFO L226 Difference]: Without dead ends: 820 [2024-10-13 16:12:44,816 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-13 16:12:44,817 INFO L432 NwaCegarLoop]: 512 mSDtfsCounter, 13 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 617 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 2044 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:44,817 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2044 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 617 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-13 16:12:44,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2024-10-13 16:12:44,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 814. [2024-10-13 16:12:44,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 814 states, 786 states have (on average 1.3549618320610688) internal successors, (1065), 799 states have internal predecessors, (1065), 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) [2024-10-13 16:12:44,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 814 states and 1109 transitions. [2024-10-13 16:12:44,863 INFO L78 Accepts]: Start accepts. Automaton has 814 states and 1109 transitions. Word has length 184 [2024-10-13 16:12:44,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:44,863 INFO L471 AbstractCegarLoop]: Abstraction has 814 states and 1109 transitions. [2024-10-13 16:12:44,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 6 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:12:44,863 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 1109 transitions. [2024-10-13 16:12:44,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-13 16:12:44,865 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:44,865 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:12:44,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-13 16:12:44,866 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 16:12:44,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:44,867 INFO L85 PathProgramCache]: Analyzing trace with hash 287657752, now seen corresponding path program 1 times [2024-10-13 16:12:44,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:44,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557629239] [2024-10-13 16:12:44,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:44,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:44,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:45,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 16:12:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:45,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 16:12:45,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:45,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 16:12:45,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:45,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-13 16:12:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:45,356 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 16:12:45,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:45,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557629239] [2024-10-13 16:12:45,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557629239] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:45,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:12:45,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 16:12:45,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608788962] [2024-10-13 16:12:45,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:45,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 16:12:45,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:45,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 16:12:45,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-13 16:12:45,360 INFO L87 Difference]: Start difference. First operand 814 states and 1109 transitions. Second operand has 8 states, 8 states have (on average 21.375) internal successors, (171), 7 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:12:46,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:46,243 INFO L93 Difference]: Finished difference Result 1513 states and 2080 transitions. [2024-10-13 16:12:46,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 16:12:46,244 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.375) internal successors, (171), 7 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 185 [2024-10-13 16:12:46,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:46,247 INFO L225 Difference]: With dead ends: 1513 [2024-10-13 16:12:46,248 INFO L226 Difference]: Without dead ends: 838 [2024-10-13 16:12:46,249 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 [2024-10-13 16:12:46,249 INFO L432 NwaCegarLoop]: 502 mSDtfsCounter, 17 mSDsluCounter, 2235 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2737 SdHoareTripleChecker+Invalid, 968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:46,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2737 Invalid, 968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 951 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-13 16:12:46,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2024-10-13 16:12:46,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 830. [2024-10-13 16:12:46,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 830 states, 802 states have (on average 1.355361596009975) internal successors, (1087), 815 states have internal predecessors, (1087), 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) [2024-10-13 16:12:46,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1131 transitions. [2024-10-13 16:12:46,280 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 1131 transitions. Word has length 185 [2024-10-13 16:12:46,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:46,281 INFO L471 AbstractCegarLoop]: Abstraction has 830 states and 1131 transitions. [2024-10-13 16:12:46,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.375) internal successors, (171), 7 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:12:46,281 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1131 transitions. [2024-10-13 16:12:46,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-13 16:12:46,283 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:46,283 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:12:46,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-13 16:12:46,284 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 16:12:46,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:46,284 INFO L85 PathProgramCache]: Analyzing trace with hash -581699076, now seen corresponding path program 1 times [2024-10-13 16:12:46,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:46,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044585895] [2024-10-13 16:12:46,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:46,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:46,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:47,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 16:12:47,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:47,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 16:12:47,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:47,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 16:12:47,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:47,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-13 16:12:47,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:47,192 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 16:12:47,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:47,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044585895] [2024-10-13 16:12:47,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044585895] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:12:47,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [225001638] [2024-10-13 16:12:47,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:47,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:12:47,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:12:47,195 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 16:12:47,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 16:12:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:47,838 INFO L255 TraceCheckSpWp]: Trace formula consists of 1032 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-13 16:12:47,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:12:47,969 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-13 16:12:47,969 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:12:47,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [225001638] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:47,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 16:12:47,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2024-10-13 16:12:47,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397287949] [2024-10-13 16:12:47,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:47,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 16:12:47,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:47,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 16:12:47,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-10-13 16:12:47,972 INFO L87 Difference]: Start difference. First operand 830 states and 1131 transitions. Second operand has 9 states, 9 states have (on average 19.22222222222222) internal successors, (173), 9 states have internal predecessors, (173), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 16:12:48,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:48,318 INFO L93 Difference]: Finished difference Result 1399 states and 1918 transitions. [2024-10-13 16:12:48,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 16:12:48,319 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 19.22222222222222) internal successors, (173), 9 states have internal predecessors, (173), 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 185 [2024-10-13 16:12:48,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:48,322 INFO L225 Difference]: With dead ends: 1399 [2024-10-13 16:12:48,324 INFO L226 Difference]: Without dead ends: 852 [2024-10-13 16:12:48,326 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-10-13 16:12:48,326 INFO L432 NwaCegarLoop]: 505 mSDtfsCounter, 25 mSDsluCounter, 2235 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 2740 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:48,327 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 2740 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 16:12:48,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2024-10-13 16:12:48,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 844. [2024-10-13 16:12:48,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 844 states, 816 states have (on average 1.3517156862745099) internal successors, (1103), 829 states have internal predecessors, (1103), 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) [2024-10-13 16:12:48,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1147 transitions. [2024-10-13 16:12:48,351 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1147 transitions. Word has length 185 [2024-10-13 16:12:48,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:48,352 INFO L471 AbstractCegarLoop]: Abstraction has 844 states and 1147 transitions. [2024-10-13 16:12:48,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.22222222222222) internal successors, (173), 9 states have internal predecessors, (173), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 16:12:48,352 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1147 transitions. [2024-10-13 16:12:48,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-13 16:12:48,354 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:48,354 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:12:48,378 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-13 16:12:48,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-13 16:12:48,555 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 16:12:48,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:48,556 INFO L85 PathProgramCache]: Analyzing trace with hash -744111857, now seen corresponding path program 1 times [2024-10-13 16:12:48,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:48,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923192979] [2024-10-13 16:12:48,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:48,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:48,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:49,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 16:12:49,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:49,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 16:12:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:49,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-13 16:12:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:49,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 16:12:49,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:49,157 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 16:12:49,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:49,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923192979] [2024-10-13 16:12:49,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923192979] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:49,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:12:49,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 16:12:49,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567674135] [2024-10-13 16:12:49,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:49,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 16:12:49,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:49,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 16:12:49,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-13 16:12:49,159 INFO L87 Difference]: Start difference. First operand 844 states and 1147 transitions. Second operand has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 6 states have internal predecessors, (172), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 16:12:49,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:49,830 INFO L93 Difference]: Finished difference Result 1395 states and 1915 transitions. [2024-10-13 16:12:49,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 16:12:49,831 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 6 states have internal predecessors, (172), 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 186 [2024-10-13 16:12:49,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:49,835 INFO L225 Difference]: With dead ends: 1395 [2024-10-13 16:12:49,835 INFO L226 Difference]: Without dead ends: 842 [2024-10-13 16:12:49,836 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-13 16:12:49,836 INFO L432 NwaCegarLoop]: 509 mSDtfsCounter, 18 mSDsluCounter, 2093 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 2602 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:49,837 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 2602 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 16:12:49,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2024-10-13 16:12:49,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 838. [2024-10-13 16:12:49,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 810 states have (on average 1.3493827160493828) internal successors, (1093), 823 states have internal predecessors, (1093), 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) [2024-10-13 16:12:49,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1137 transitions. [2024-10-13 16:12:49,860 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1137 transitions. Word has length 186 [2024-10-13 16:12:49,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:49,861 INFO L471 AbstractCegarLoop]: Abstraction has 838 states and 1137 transitions. [2024-10-13 16:12:49,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 6 states have internal predecessors, (172), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 16:12:49,861 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1137 transitions. [2024-10-13 16:12:49,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-10-13 16:12:49,863 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:49,863 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:12:49,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-13 16:12:49,864 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 16:12:49,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:49,864 INFO L85 PathProgramCache]: Analyzing trace with hash -12268873, now seen corresponding path program 1 times [2024-10-13 16:12:49,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:49,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919237852] [2024-10-13 16:12:49,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:49,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:50,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 16:12:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:50,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 16:12:50,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:50,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 16:12:50,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:50,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 16:12:50,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:50,334 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 16:12:50,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:50,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919237852] [2024-10-13 16:12:50,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919237852] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:50,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:12:50,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 16:12:50,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65713835] [2024-10-13 16:12:50,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:50,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 16:12:50,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:50,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 16:12:50,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-13 16:12:50,336 INFO L87 Difference]: Start difference. First operand 838 states and 1137 transitions. Second operand has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 6 states have internal predecessors, (173), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 16:12:50,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:50,857 INFO L93 Difference]: Finished difference Result 1394 states and 1912 transitions. [2024-10-13 16:12:50,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 16:12:50,857 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 6 states have internal predecessors, (173), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 187 [2024-10-13 16:12:50,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:50,862 INFO L225 Difference]: With dead ends: 1394 [2024-10-13 16:12:50,862 INFO L226 Difference]: Without dead ends: 846 [2024-10-13 16:12:50,863 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-13 16:12:50,864 INFO L432 NwaCegarLoop]: 512 mSDtfsCounter, 13 mSDsluCounter, 1706 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 2218 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:50,864 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2218 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 16:12:50,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2024-10-13 16:12:50,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 844. [2024-10-13 16:12:50,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 844 states, 816 states have (on average 1.3468137254901962) internal successors, (1099), 829 states have internal predecessors, (1099), 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) [2024-10-13 16:12:50,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1143 transitions. [2024-10-13 16:12:50,887 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1143 transitions. Word has length 187 [2024-10-13 16:12:50,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:50,889 INFO L471 AbstractCegarLoop]: Abstraction has 844 states and 1143 transitions. [2024-10-13 16:12:50,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 6 states have internal predecessors, (173), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 16:12:50,890 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1143 transitions. [2024-10-13 16:12:50,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-10-13 16:12:50,892 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:50,892 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:12:50,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-13 16:12:50,892 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 16:12:50,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:50,893 INFO L85 PathProgramCache]: Analyzing trace with hash 48980056, now seen corresponding path program 1 times [2024-10-13 16:12:50,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:50,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372063702] [2024-10-13 16:12:50,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:50,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:51,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:51,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 16:12:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:51,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 16:12:51,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:51,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 16:12:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:51,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 16:12:51,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:51,717 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 16:12:51,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:51,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372063702] [2024-10-13 16:12:51,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372063702] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:12:51,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1077119108] [2024-10-13 16:12:51,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:51,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:12:51,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:12:51,720 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 16:12:51,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-13 16:12:52,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:52,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 1032 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-13 16:12:52,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:12:52,636 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 16:12:52,636 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:12:52,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1077119108] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:52,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 16:12:52,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-10-13 16:12:52,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770782523] [2024-10-13 16:12:52,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:52,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 16:12:52,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:52,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 16:12:52,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-13 16:12:52,639 INFO L87 Difference]: Start difference. First operand 844 states and 1143 transitions. Second operand has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:12:53,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:53,140 INFO L93 Difference]: Finished difference Result 1555 states and 2111 transitions. [2024-10-13 16:12:53,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 16:12:53,141 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 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 188 [2024-10-13 16:12:53,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:53,144 INFO L225 Difference]: With dead ends: 1555 [2024-10-13 16:12:53,144 INFO L226 Difference]: Without dead ends: 858 [2024-10-13 16:12:53,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-13 16:12:53,146 INFO L432 NwaCegarLoop]: 511 mSDtfsCounter, 12 mSDsluCounter, 1909 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 2420 SdHoareTripleChecker+Invalid, 785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:53,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 2420 Invalid, 785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 16:12:53,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2024-10-13 16:12:53,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 844. [2024-10-13 16:12:53,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 844 states, 816 states have (on average 1.3468137254901962) internal successors, (1099), 829 states have internal predecessors, (1099), 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) [2024-10-13 16:12:53,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1143 transitions. [2024-10-13 16:12:53,191 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1143 transitions. Word has length 188 [2024-10-13 16:12:53,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:53,192 INFO L471 AbstractCegarLoop]: Abstraction has 844 states and 1143 transitions. [2024-10-13 16:12:53,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:12:53,192 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1143 transitions. [2024-10-13 16:12:53,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-10-13 16:12:53,194 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:53,194 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:12:53,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-13 16:12:53,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:12:53,395 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 16:12:53,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:53,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1624898047, now seen corresponding path program 1 times [2024-10-13 16:12:53,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:53,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464777714] [2024-10-13 16:12:53,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:53,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:53,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:53,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 16:12:53,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:53,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 16:12:53,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:53,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 16:12:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:53,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 16:12:53,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:53,911 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 16:12:53,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:53,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464777714] [2024-10-13 16:12:53,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464777714] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:53,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:12:53,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 16:12:53,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150611871] [2024-10-13 16:12:53,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:53,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 16:12:53,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:53,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 16:12:53,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-13 16:12:53,914 INFO L87 Difference]: Start difference. First operand 844 states and 1143 transitions. Second operand has 10 states, 10 states have (on average 17.5) internal successors, (175), 9 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:12:54,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:54,829 INFO L93 Difference]: Finished difference Result 1564 states and 2131 transitions. [2024-10-13 16:12:54,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 16:12:54,830 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.5) internal successors, (175), 9 states have internal predecessors, (175), 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 189 [2024-10-13 16:12:54,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:54,834 INFO L225 Difference]: With dead ends: 1564 [2024-10-13 16:12:54,835 INFO L226 Difference]: Without dead ends: 872 [2024-10-13 16:12:54,836 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 [2024-10-13 16:12:54,836 INFO L432 NwaCegarLoop]: 501 mSDtfsCounter, 25 mSDsluCounter, 2383 mSDsCounter, 0 mSdLazyCounter, 880 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 2884 SdHoareTripleChecker+Invalid, 897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 880 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:54,837 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 2884 Invalid, 897 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 880 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-13 16:12:54,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2024-10-13 16:12:54,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 858. [2024-10-13 16:12:54,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 858 states, 830 states have (on average 1.3457831325301204) internal successors, (1117), 843 states have internal predecessors, (1117), 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) [2024-10-13 16:12:54,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1161 transitions. [2024-10-13 16:12:54,862 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1161 transitions. Word has length 189 [2024-10-13 16:12:54,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:54,862 INFO L471 AbstractCegarLoop]: Abstraction has 858 states and 1161 transitions. [2024-10-13 16:12:54,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.5) internal successors, (175), 9 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:12:54,862 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1161 transitions. [2024-10-13 16:12:54,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-10-13 16:12:54,864 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:54,864 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:12:54,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-13 16:12:54,865 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 16:12:54,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:54,865 INFO L85 PathProgramCache]: Analyzing trace with hash -835677469, now seen corresponding path program 1 times [2024-10-13 16:12:54,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:54,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374427460] [2024-10-13 16:12:54,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:54,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:55,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 16:12:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:55,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 16:12:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:55,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 16:12:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:55,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 16:12:55,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:55,611 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 16:12:55,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:55,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374427460] [2024-10-13 16:12:55,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374427460] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:12:55,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821835071] [2024-10-13 16:12:55,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:55,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:12:55,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:12:55,616 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 16:12:55,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-13 16:12:56,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:56,299 INFO L255 TraceCheckSpWp]: Trace formula consists of 1033 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-13 16:12:56,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:12:56,425 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 16:12:56,425 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:12:56,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821835071] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:56,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 16:12:56,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2024-10-13 16:12:56,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484862808] [2024-10-13 16:12:56,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:56,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 16:12:56,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:56,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 16:12:56,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-13 16:12:56,427 INFO L87 Difference]: Start difference. First operand 858 states and 1161 transitions. Second operand has 8 states, 8 states have (on average 21.875) internal successors, (175), 8 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:12:57,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:57,154 INFO L93 Difference]: Finished difference Result 1583 states and 2144 transitions. [2024-10-13 16:12:57,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 16:12:57,155 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.875) internal successors, (175), 8 states have internal predecessors, (175), 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 189 [2024-10-13 16:12:57,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:57,159 INFO L225 Difference]: With dead ends: 1583 [2024-10-13 16:12:57,159 INFO L226 Difference]: Without dead ends: 884 [2024-10-13 16:12:57,160 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-13 16:12:57,160 INFO L432 NwaCegarLoop]: 515 mSDtfsCounter, 17 mSDsluCounter, 1977 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2492 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:57,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2492 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 16:12:57,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2024-10-13 16:12:57,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 868. [2024-10-13 16:12:57,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 840 states have (on average 1.3440476190476192) internal successors, (1129), 853 states have internal predecessors, (1129), 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) [2024-10-13 16:12:57,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1173 transitions. [2024-10-13 16:12:57,185 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1173 transitions. Word has length 189 [2024-10-13 16:12:57,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:57,186 INFO L471 AbstractCegarLoop]: Abstraction has 868 states and 1173 transitions. [2024-10-13 16:12:57,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.875) internal successors, (175), 8 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:12:57,186 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1173 transitions. [2024-10-13 16:12:57,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-13 16:12:57,188 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:57,188 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:12:57,212 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-13 16:12:57,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:12:57,390 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 16:12:57,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:57,390 INFO L85 PathProgramCache]: Analyzing trace with hash -756984952, now seen corresponding path program 1 times [2024-10-13 16:12:57,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:57,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904527421] [2024-10-13 16:12:57,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:57,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:57,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:58,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 16:12:58,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:58,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 16:12:58,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:58,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 16:12:58,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:58,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 16:12:58,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:58,085 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 16:12:58,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:58,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904527421] [2024-10-13 16:12:58,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904527421] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:58,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:12:58,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-13 16:12:58,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467343475] [2024-10-13 16:12:58,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:58,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 16:12:58,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:58,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 16:12:58,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-13 16:12:58,089 INFO L87 Difference]: Start difference. First operand 868 states and 1173 transitions. Second operand has 11 states, 11 states have (on average 16.0) internal successors, (176), 10 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) [2024-10-13 16:12:58,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:58,981 INFO L93 Difference]: Finished difference Result 1597 states and 2174 transitions. [2024-10-13 16:12:58,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 16:12:58,981 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 16.0) internal successors, (176), 10 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 190 [2024-10-13 16:12:58,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:58,985 INFO L225 Difference]: With dead ends: 1597 [2024-10-13 16:12:58,985 INFO L226 Difference]: Without dead ends: 888 [2024-10-13 16:12:58,986 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-10-13 16:12:58,987 INFO L432 NwaCegarLoop]: 508 mSDtfsCounter, 31 mSDsluCounter, 3032 mSDsCounter, 0 mSdLazyCounter, 1338 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 3540 SdHoareTripleChecker+Invalid, 1355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:58,987 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 3540 Invalid, 1355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1338 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-13 16:12:58,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 888 states. [2024-10-13 16:12:59,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 888 to 874. [2024-10-13 16:12:59,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 874 states, 846 states have (on average 1.3416075650118204) internal successors, (1135), 859 states have internal predecessors, (1135), 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) [2024-10-13 16:12:59,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1179 transitions. [2024-10-13 16:12:59,007 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1179 transitions. Word has length 190 [2024-10-13 16:12:59,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:59,007 INFO L471 AbstractCegarLoop]: Abstraction has 874 states and 1179 transitions. [2024-10-13 16:12:59,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 16.0) internal successors, (176), 10 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) [2024-10-13 16:12:59,008 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1179 transitions. [2024-10-13 16:12:59,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-13 16:12:59,010 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:59,010 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:12:59,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-13 16:12:59,010 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 16:12:59,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:59,011 INFO L85 PathProgramCache]: Analyzing trace with hash 274585380, now seen corresponding path program 1 times [2024-10-13 16:12:59,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:59,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106949392] [2024-10-13 16:12:59,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:59,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:59,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:59,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 16:12:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:59,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 16:12:59,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:59,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 16:12:59,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:59,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 16:12:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:59,699 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 16:12:59,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:59,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106949392] [2024-10-13 16:12:59,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106949392] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:12:59,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [251414349] [2024-10-13 16:12:59,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:59,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:12:59,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:12:59,701 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) [2024-10-13 16:12:59,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-13 16:13:00,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:00,802 INFO L255 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-13 16:13:00,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:13:01,159 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 16:13:01,160 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:13:01,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [251414349] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:13:01,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 16:13:01,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2024-10-13 16:13:01,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114694641] [2024-10-13 16:13:01,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:13:01,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 16:13:01,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:13:01,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 16:13:01,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-10-13 16:13:01,162 INFO L87 Difference]: Start difference. First operand 874 states and 1179 transitions. Second operand has 10 states, 10 states have (on average 17.6) internal successors, (176), 10 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) [2024-10-13 16:13:03,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-13 16:13:04,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:13:04,539 INFO L93 Difference]: Finished difference Result 1610 states and 2180 transitions. [2024-10-13 16:13:04,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 16:13:04,539 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.6) internal successors, (176), 10 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 190 [2024-10-13 16:13:04,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:13:04,543 INFO L225 Difference]: With dead ends: 1610 [2024-10-13 16:13:04,543 INFO L226 Difference]: Without dead ends: 898 [2024-10-13 16:13:04,544 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-10-13 16:13:04,544 INFO L432 NwaCegarLoop]: 512 mSDtfsCounter, 17 mSDsluCounter, 3048 mSDsCounter, 0 mSdLazyCounter, 1356 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 3560 SdHoareTripleChecker+Invalid, 1358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-10-13 16:13:04,545 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 3560 Invalid, 1358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1356 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-10-13 16:13:04,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2024-10-13 16:13:04,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 888. [2024-10-13 16:13:04,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 888 states, 860 states have (on average 1.3406976744186045) internal successors, (1153), 873 states have internal predecessors, (1153), 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) [2024-10-13 16:13:04,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1197 transitions. [2024-10-13 16:13:04,565 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1197 transitions. Word has length 190 [2024-10-13 16:13:04,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:13:04,565 INFO L471 AbstractCegarLoop]: Abstraction has 888 states and 1197 transitions. [2024-10-13 16:13:04,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.6) internal successors, (176), 10 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) [2024-10-13 16:13:04,565 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1197 transitions. [2024-10-13 16:13:04,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-13 16:13:04,566 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:13:04,567 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:13:04,590 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-13 16:13:04,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:13:04,768 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 16:13:04,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:13:04,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1025843548, now seen corresponding path program 1 times [2024-10-13 16:13:04,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:13:04,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96264768] [2024-10-13 16:13:04,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:13:04,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:13:05,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:05,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 16:13:05,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:05,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 16:13:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:05,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 16:13:05,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:05,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 16:13:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:05,454 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 16:13:05,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:13:05,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96264768] [2024-10-13 16:13:05,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96264768] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:13:05,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410055017] [2024-10-13 16:13:05,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:13:05,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:13:05,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:13:05,457 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) [2024-10-13 16:13:05,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-13 16:13:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:06,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-13 16:13:06,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:13:06,246 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 16:13:06,246 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:13:06,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410055017] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:13:06,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 16:13:06,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-10-13 16:13:06,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984523721] [2024-10-13 16:13:06,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:13:06,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 16:13:06,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:13:06,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 16:13:06,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-13 16:13:06,248 INFO L87 Difference]: Start difference. First operand 888 states and 1197 transitions. Second operand has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 7 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) [2024-10-13 16:13:06,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:13:06,723 INFO L93 Difference]: Finished difference Result 1630 states and 2204 transitions. [2024-10-13 16:13:06,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 16:13:06,723 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 7 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 190 [2024-10-13 16:13:06,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:13:06,727 INFO L225 Difference]: With dead ends: 1630 [2024-10-13 16:13:06,727 INFO L226 Difference]: Without dead ends: 916 [2024-10-13 16:13:06,728 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-10-13 16:13:06,729 INFO L432 NwaCegarLoop]: 500 mSDtfsCounter, 40 mSDsluCounter, 2005 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 2505 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 16:13:06,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 2505 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 675 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 16:13:06,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 916 states. [2024-10-13 16:13:06,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 916 to 902. [2024-10-13 16:13:06,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 902 states, 874 states have (on average 1.3421052631578947) internal successors, (1173), 887 states have internal predecessors, (1173), 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) [2024-10-13 16:13:06,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1217 transitions. [2024-10-13 16:13:06,755 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1217 transitions. Word has length 190 [2024-10-13 16:13:06,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:13:06,755 INFO L471 AbstractCegarLoop]: Abstraction has 902 states and 1217 transitions. [2024-10-13 16:13:06,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 7 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) [2024-10-13 16:13:06,755 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1217 transitions. [2024-10-13 16:13:06,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-13 16:13:06,756 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:13:06,757 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:13:06,778 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-13 16:13:06,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-10-13 16:13:06,958 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 16:13:06,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:13:06,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1510072253, now seen corresponding path program 1 times [2024-10-13 16:13:06,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:13:06,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282836916] [2024-10-13 16:13:06,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:13:06,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:13:07,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:07,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 16:13:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:07,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 16:13:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:07,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 16:13:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:07,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 16:13:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:07,664 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 16:13:07,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:13:07,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282836916] [2024-10-13 16:13:07,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282836916] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:13:07,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221094478] [2024-10-13 16:13:07,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:13:07,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:13:07,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:13:07,667 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 16:13:07,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-13 16:13:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:08,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-13 16:13:08,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:13:08,735 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 16:13:08,736 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:13:08,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221094478] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:13:08,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 16:13:08,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-10-13 16:13:08,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336410317] [2024-10-13 16:13:08,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:13:08,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 16:13:08,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:13:08,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 16:13:08,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-13 16:13:08,738 INFO L87 Difference]: Start difference. First operand 902 states and 1217 transitions. Second operand has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 7 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) [2024-10-13 16:13:09,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:13:09,338 INFO L93 Difference]: Finished difference Result 1638 states and 2216 transitions. [2024-10-13 16:13:09,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 16:13:09,339 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 7 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 190 [2024-10-13 16:13:09,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:13:09,342 INFO L225 Difference]: With dead ends: 1638 [2024-10-13 16:13:09,342 INFO L226 Difference]: Without dead ends: 912 [2024-10-13 16:13:09,343 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-13 16:13:09,343 INFO L432 NwaCegarLoop]: 511 mSDtfsCounter, 10 mSDsluCounter, 1909 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 2420 SdHoareTripleChecker+Invalid, 785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 16:13:09,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 2420 Invalid, 785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 16:13:09,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2024-10-13 16:13:09,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 902. [2024-10-13 16:13:09,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 902 states, 874 states have (on average 1.3421052631578947) internal successors, (1173), 887 states have internal predecessors, (1173), 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) [2024-10-13 16:13:09,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1217 transitions. [2024-10-13 16:13:09,364 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1217 transitions. Word has length 190 [2024-10-13 16:13:09,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:13:09,365 INFO L471 AbstractCegarLoop]: Abstraction has 902 states and 1217 transitions. [2024-10-13 16:13:09,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 7 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) [2024-10-13 16:13:09,365 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1217 transitions. [2024-10-13 16:13:09,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-10-13 16:13:09,367 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:13:09,367 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:13:09,393 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-13 16:13:09,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-10-13 16:13:09,568 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 16:13:09,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:13:09,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1388606590, now seen corresponding path program 1 times [2024-10-13 16:13:09,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:13:09,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807907913] [2024-10-13 16:13:09,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:13:09,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:13:09,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:10,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 16:13:10,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:10,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-13 16:13:10,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:10,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-13 16:13:10,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:10,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-13 16:13:10,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:10,161 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 16:13:10,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:13:10,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807907913] [2024-10-13 16:13:10,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807907913] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:13:10,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [631871672] [2024-10-13 16:13:10,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:13:10,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:13:10,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:13:10,164 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 16:13:10,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-13 16:13:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:10,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 1035 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-13 16:13:10,946 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:13:10,961 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 16:13:10,961 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:13:10,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [631871672] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:13:10,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 16:13:10,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2024-10-13 16:13:10,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51601171] [2024-10-13 16:13:10,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:13:10,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:13:10,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:13:10,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:13:10,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 16:13:10,966 INFO L87 Difference]: Start difference. First operand 902 states and 1217 transitions. Second operand has 4 states, 3 states have (on average 60.333333333333336) internal successors, (181), 4 states have internal predecessors, (181), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 16:13:11,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:13:11,018 INFO L93 Difference]: Finished difference Result 1590 states and 2155 transitions. [2024-10-13 16:13:11,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:13:11,019 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 60.333333333333336) internal successors, (181), 4 states have internal predecessors, (181), 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 191 [2024-10-13 16:13:11,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:13:11,024 INFO L225 Difference]: With dead ends: 1590 [2024-10-13 16:13:11,025 INFO L226 Difference]: Without dead ends: 904 [2024-10-13 16:13:11,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 16:13:11,027 INFO L432 NwaCegarLoop]: 522 mSDtfsCounter, 0 mSDsluCounter, 1037 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1559 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 16:13:11,027 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1559 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:13:11,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2024-10-13 16:13:11,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 904. [2024-10-13 16:13:11,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 904 states, 875 states have (on average 1.3428571428571427) internal successors, (1175), 889 states have internal predecessors, (1175), 22 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (26), 13 states have call predecessors, (26), 22 states have call successors, (26) [2024-10-13 16:13:11,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 904 states and 1223 transitions. [2024-10-13 16:13:11,050 INFO L78 Accepts]: Start accepts. Automaton has 904 states and 1223 transitions. Word has length 191 [2024-10-13 16:13:11,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:13:11,050 INFO L471 AbstractCegarLoop]: Abstraction has 904 states and 1223 transitions. [2024-10-13 16:13:11,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 60.333333333333336) internal successors, (181), 4 states have internal predecessors, (181), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 16:13:11,051 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1223 transitions. [2024-10-13 16:13:11,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-10-13 16:13:11,052 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:13:11,052 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:13:11,076 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-13 16:13:11,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-10-13 16:13:11,253 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 16:13:11,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:13:11,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1657227010, now seen corresponding path program 1 times [2024-10-13 16:13:11,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:13:11,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070973930] [2024-10-13 16:13:11,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:13:11,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:13:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:12,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 16:13:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:12,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 16:13:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:12,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 16:13:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:12,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 16:13:12,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:12,389 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-13 16:13:12,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:13:12,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070973930] [2024-10-13 16:13:12,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070973930] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:13:12,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836133336] [2024-10-13 16:13:12,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:13:12,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:13:12,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:13:12,393 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 16:13:12,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-13 16:13:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:13,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 1095 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-13 16:13:13,194 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:13:13,219 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-13 16:13:13,219 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 16:13:13,302 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-13 16:13:13,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836133336] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 16:13:13,302 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 16:13:13,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2024-10-13 16:13:13,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443040297] [2024-10-13 16:13:13,303 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 16:13:13,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 16:13:13,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:13:13,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 16:13:13,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-10-13 16:13:13,305 INFO L87 Difference]: Start difference. First operand 904 states and 1223 transitions. Second operand has 11 states, 8 states have (on average 23.875) internal successors, (191), 10 states have internal predecessors, (191), 2 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-13 16:13:13,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:13:13,839 INFO L93 Difference]: Finished difference Result 1601 states and 2182 transitions. [2024-10-13 16:13:13,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-13 16:13:13,840 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 23.875) internal successors, (191), 10 states have internal predecessors, (191), 2 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 195 [2024-10-13 16:13:13,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:13:13,843 INFO L225 Difference]: With dead ends: 1601 [2024-10-13 16:13:13,843 INFO L226 Difference]: Without dead ends: 913 [2024-10-13 16:13:13,844 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 391 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2024-10-13 16:13:13,845 INFO L432 NwaCegarLoop]: 518 mSDtfsCounter, 9 mSDsluCounter, 3426 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 3944 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 16:13:13,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 3944 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 16:13:13,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 913 states. [2024-10-13 16:13:13,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 913 to 912. [2024-10-13 16:13:13,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 912 states, 882 states have (on average 1.346938775510204) internal successors, (1188), 896 states have internal predecessors, (1188), 22 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (26), 13 states have call predecessors, (26), 22 states have call successors, (26) [2024-10-13 16:13:13,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1236 transitions. [2024-10-13 16:13:13,866 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1236 transitions. Word has length 195 [2024-10-13 16:13:13,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:13:13,867 INFO L471 AbstractCegarLoop]: Abstraction has 912 states and 1236 transitions. [2024-10-13 16:13:13,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 23.875) internal successors, (191), 10 states have internal predecessors, (191), 2 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-13 16:13:13,867 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1236 transitions. [2024-10-13 16:13:13,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-10-13 16:13:13,868 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:13:13,869 INFO L215 NwaCegarLoop]: trace histogram [12, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:13:13,893 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-13 16:13:14,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-13 16:13:14,070 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 16:13:14,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:13:14,070 INFO L85 PathProgramCache]: Analyzing trace with hash -2060618622, now seen corresponding path program 2 times [2024-10-13 16:13:14,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:13:14,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162656792] [2024-10-13 16:13:14,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:13:14,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:13:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:14,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 16:13:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:15,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 16:13:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:15,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-13 16:13:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:15,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 16:13:15,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:15,103 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 5 proven. 68 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-13 16:13:15,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:13:15,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162656792] [2024-10-13 16:13:15,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162656792] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:13:15,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710612774] [2024-10-13 16:13:15,104 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 16:13:15,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:13:15,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:13:15,106 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 16:13:15,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-13 16:13:16,071 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 16:13:16,072 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 16:13:16,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 1215 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-13 16:13:16,081 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:13:16,171 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 66 proven. 10 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-10-13 16:13:16,171 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 16:13:24,386 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 5 proven. 66 refuted. 2 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-13 16:13:24,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710612774] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 16:13:24,386 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 16:13:24,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 8] total 21 [2024-10-13 16:13:24,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716354560] [2024-10-13 16:13:24,386 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 16:13:24,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-10-13 16:13:24,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:13:24,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-10-13 16:13:24,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=308, Unknown=2, NotChecked=0, Total=420 [2024-10-13 16:13:24,388 INFO L87 Difference]: Start difference. First operand 912 states and 1236 transitions. Second operand has 21 states, 18 states have (on average 11.222222222222221) internal successors, (202), 20 states have internal predecessors, (202), 2 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-13 16:13:25,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:13:25,446 INFO L93 Difference]: Finished difference Result 1573 states and 2156 transitions. [2024-10-13 16:13:25,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-13 16:13:25,446 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 18 states have (on average 11.222222222222221) internal successors, (202), 20 states have internal predecessors, (202), 2 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 203 [2024-10-13 16:13:25,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:13:25,450 INFO L225 Difference]: With dead ends: 1573 [2024-10-13 16:13:25,451 INFO L226 Difference]: Without dead ends: 741 [2024-10-13 16:13:25,452 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 401 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=287, Invalid=703, Unknown=2, NotChecked=0, Total=992 [2024-10-13 16:13:25,453 INFO L432 NwaCegarLoop]: 429 mSDtfsCounter, 36 mSDsluCounter, 5270 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 5699 SdHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 16:13:25,453 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 5699 Invalid, 780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 16:13:25,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2024-10-13 16:13:25,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 739. [2024-10-13 16:13:25,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 739 states, 709 states have (on average 1.315937940761636) internal successors, (933), 723 states have internal predecessors, (933), 22 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (26), 13 states have call predecessors, (26), 22 states have call successors, (26) [2024-10-13 16:13:25,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 981 transitions. [2024-10-13 16:13:25,491 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 981 transitions. Word has length 203 [2024-10-13 16:13:25,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:13:25,492 INFO L471 AbstractCegarLoop]: Abstraction has 739 states and 981 transitions. [2024-10-13 16:13:25,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 18 states have (on average 11.222222222222221) internal successors, (202), 20 states have internal predecessors, (202), 2 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-13 16:13:25,492 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 981 transitions. [2024-10-13 16:13:25,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-10-13 16:13:25,494 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:13:25,494 INFO L215 NwaCegarLoop]: trace histogram [30, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:13:25,519 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-13 16:13:25,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-10-13 16:13:25,695 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 16:13:25,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:13:25,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1624018974, now seen corresponding path program 3 times [2024-10-13 16:13:25,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:13:25,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941220788] [2024-10-13 16:13:25,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:13:25,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:13:26,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:26,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 16:13:26,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:26,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 16:13:26,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:26,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 16:13:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:26,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 16:13:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:26,968 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 5 proven. 311 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2024-10-13 16:13:26,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:13:26,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941220788] [2024-10-13 16:13:26,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941220788] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:13:26,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525553976] [2024-10-13 16:13:26,969 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-13 16:13:26,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:13:26,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:13:26,971 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 16:13:26,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-13 16:13:28,283 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-13 16:13:28,283 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 16:13:28,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-13 16:13:28,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:13:28,313 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-13 16:13:28,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-10-13 16:13:29,129 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2024-10-13 16:13:29,129 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:13:29,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525553976] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:13:29,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 16:13:29,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [15] total 24 [2024-10-13 16:13:29,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604267635] [2024-10-13 16:13:29,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:13:29,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 16:13:29,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:13:29,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 16:13:29,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2024-10-13 16:13:29,130 INFO L87 Difference]: Start difference. First operand 739 states and 981 transitions. Second operand has 11 states, 11 states have (on average 16.181818181818183) internal successors, (178), 10 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) [2024-10-13 16:13:30,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:13:30,942 INFO L93 Difference]: Finished difference Result 1392 states and 1857 transitions. [2024-10-13 16:13:30,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 16:13:30,943 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 16.181818181818183) internal successors, (178), 10 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 221 [2024-10-13 16:13:30,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:13:30,946 INFO L225 Difference]: With dead ends: 1392 [2024-10-13 16:13:30,947 INFO L226 Difference]: Without dead ends: 728 [2024-10-13 16:13:30,949 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 218 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=130, Invalid=862, Unknown=0, NotChecked=0, Total=992 [2024-10-13 16:13:30,951 INFO L432 NwaCegarLoop]: 475 mSDtfsCounter, 487 mSDsluCounter, 2278 mSDsCounter, 0 mSdLazyCounter, 701 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 2753 SdHoareTripleChecker+Invalid, 705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-13 16:13:30,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [492 Valid, 2753 Invalid, 705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 701 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-13 16:13:30,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2024-10-13 16:13:30,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 726. [2024-10-13 16:13:30,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 726 states, 696 states have (on average 1.3175287356321839) internal successors, (917), 710 states have internal predecessors, (917), 22 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (26), 13 states have call predecessors, (26), 22 states have call successors, (26) [2024-10-13 16:13:30,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 965 transitions. [2024-10-13 16:13:30,980 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 965 transitions. Word has length 221 [2024-10-13 16:13:30,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:13:30,980 INFO L471 AbstractCegarLoop]: Abstraction has 726 states and 965 transitions. [2024-10-13 16:13:30,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 16.181818181818183) internal successors, (178), 10 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) [2024-10-13 16:13:30,981 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 965 transitions. [2024-10-13 16:13:30,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-10-13 16:13:30,982 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:13:30,982 INFO L215 NwaCegarLoop]: trace histogram [30, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:13:31,005 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-13 16:13:31,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-10-13 16:13:31,183 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 16:13:31,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:13:31,184 INFO L85 PathProgramCache]: Analyzing trace with hash 568760578, now seen corresponding path program 1 times [2024-10-13 16:13:31,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:13:31,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767243813] [2024-10-13 16:13:31,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:13:31,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:13:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:32,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 16:13:32,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:32,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 16:13:32,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:32,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 16:13:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:32,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 16:13:32,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:32,756 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 5 proven. 311 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2024-10-13 16:13:32,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:13:32,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767243813] [2024-10-13 16:13:32,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767243813] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:13:32,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494221100] [2024-10-13 16:13:32,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:13:32,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:13:32,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:13:32,758 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 16:13:32,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-13 16:13:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:33,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 1482 conjuncts, 220 conjuncts are in the unsatisfiable core [2024-10-13 16:13:33,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:13:33,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-10-13 16:13:33,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-13 16:13:33,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-10-13 16:13:34,604 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 11 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 21 [2024-10-13 16:13:34,632 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2024-10-13 16:13:34,674 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2024-10-13 16:13:34,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 29 [2024-10-13 16:13:34,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-10-13 16:13:34,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-10-13 16:13:34,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-10-13 16:13:34,845 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-10-13 16:13:35,249 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-10-13 16:13:35,250 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-10-13 16:13:35,260 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16