./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a74358cfc3b57ddf641c2843362a5594690e287c76148ee1838c9104dbe09de1 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 22:00:02,875 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 22:00:02,956 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 22:00:02,960 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 22:00:02,962 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 22:00:02,988 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 22:00:02,988 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 22:00:02,989 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 22:00:02,989 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 22:00:02,991 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 22:00:02,991 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 22:00:02,992 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 22:00:02,992 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 22:00:02,992 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 22:00:02,993 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 22:00:02,994 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 22:00:02,994 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 22:00:02,995 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 22:00:02,995 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 22:00:02,995 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 22:00:02,995 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 22:00:02,999 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 22:00:02,999 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 22:00:02,999 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 22:00:03,000 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 22:00:03,000 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 22:00:03,000 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 22:00:03,000 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 22:00:03,000 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 22:00:03,001 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 22:00:03,001 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 22:00:03,001 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 22:00:03,001 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 22:00:03,001 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 22:00:03,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 22:00:03,002 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 22:00:03,003 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 22:00:03,003 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 22:00:03,004 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 22:00:03,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 22:00:03,004 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 22:00:03,004 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 22:00:03,004 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 22:00:03,005 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 22:00:03,005 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a74358cfc3b57ddf641c2843362a5594690e287c76148ee1838c9104dbe09de1 [2024-11-10 22:00:03,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 22:00:03,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 22:00:03,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 22:00:03,264 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 22:00:03,264 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 22:00:03,265 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-1.i [2024-11-10 22:00:04,685 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 22:00:04,994 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 22:00:04,994 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-1.i [2024-11-10 22:00:05,014 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72983ffe1/0bc2b29ec1d44ea3832cbd93f03c8f64/FLAG6a9da2013 [2024-11-10 22:00:05,257 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72983ffe1/0bc2b29ec1d44ea3832cbd93f03c8f64 [2024-11-10 22:00:05,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 22:00:05,262 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 22:00:05,264 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 22:00:05,265 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 22:00:05,269 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 22:00:05,270 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:00:05" (1/1) ... [2024-11-10 22:00:05,271 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b601dfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:00:05, skipping insertion in model container [2024-11-10 22:00:05,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:00:05" (1/1) ... [2024-11-10 22:00:05,322 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 22:00:05,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:00:05,805 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 22:00:05,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:00:05,937 INFO L204 MainTranslator]: Completed translation [2024-11-10 22:00:05,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:00:05 WrapperNode [2024-11-10 22:00:05,938 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 22:00:05,939 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 22:00:05,939 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 22:00:05,939 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 22:00:05,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:00:05" (1/1) ... [2024-11-10 22:00:05,967 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:00:05" (1/1) ... [2024-11-10 22:00:06,019 INFO L138 Inliner]: procedures = 176, calls = 180, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 831 [2024-11-10 22:00:06,023 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 22:00:06,024 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 22:00:06,024 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 22:00:06,024 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 22:00:06,035 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:00:05" (1/1) ... [2024-11-10 22:00:06,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:00:05" (1/1) ... [2024-11-10 22:00:06,046 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:00:05" (1/1) ... [2024-11-10 22:00:06,099 INFO L175 MemorySlicer]: Split 158 memory accesses to 2 slices as follows [156, 2]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [0, 2]. The 42 writes are split as follows [42, 0]. [2024-11-10 22:00:06,099 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:00:05" (1/1) ... [2024-11-10 22:00:06,100 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:00:05" (1/1) ... [2024-11-10 22:00:06,123 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:00:05" (1/1) ... [2024-11-10 22:00:06,126 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:00:05" (1/1) ... [2024-11-10 22:00:06,129 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:00:05" (1/1) ... [2024-11-10 22:00:06,132 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:00:05" (1/1) ... [2024-11-10 22:00:06,138 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 22:00:06,139 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 22:00:06,139 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 22:00:06,139 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 22:00:06,140 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:00:05" (1/1) ... [2024-11-10 22:00:06,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 22:00:06,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:00:06,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 22:00:06,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 22:00:06,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 22:00:06,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 22:00:06,229 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 22:00:06,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 22:00:06,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 22:00:06,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 22:00:06,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-10 22:00:06,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-10 22:00:06,230 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-10 22:00:06,230 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-10 22:00:06,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 22:00:06,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 22:00:06,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 22:00:06,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 22:00:06,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 22:00:06,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 22:00:06,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 22:00:06,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 22:00:06,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 22:00:06,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 22:00:06,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 22:00:06,445 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 22:00:06,447 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 22:00:07,361 INFO L? ?]: Removed 214 outVars from TransFormulas that were not future-live. [2024-11-10 22:00:07,364 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 22:00:07,406 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 22:00:07,407 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-10 22:00:07,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:00:07 BoogieIcfgContainer [2024-11-10 22:00:07,408 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 22:00:07,409 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 22:00:07,409 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 22:00:07,413 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 22:00:07,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:00:05" (1/3) ... [2024-11-10 22:00:07,414 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63a14a55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:00:07, skipping insertion in model container [2024-11-10 22:00:07,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:00:05" (2/3) ... [2024-11-10 22:00:07,416 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63a14a55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:00:07, skipping insertion in model container [2024-11-10 22:00:07,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:00:07" (3/3) ... [2024-11-10 22:00:07,417 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test1-1.i [2024-11-10 22:00:07,431 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 22:00:07,432 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-10 22:00:07,495 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 22:00:07,502 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;@527d0ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 22:00:07,502 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-10 22:00:07,506 INFO L276 IsEmpty]: Start isEmpty. Operand has 253 states, 231 states have (on average 1.606060606060606) internal successors, (371), 247 states have internal predecessors, (371), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-10 22:00:07,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-10 22:00:07,512 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 22:00:07,513 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:00:07,514 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 22:00:07,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:00:07,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1502697904, now seen corresponding path program 1 times [2024-11-10 22:00:07,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:00:07,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144747216] [2024-11-10 22:00:07,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:00:07,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:00:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:00:07,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:00:07,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:00:07,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144747216] [2024-11-10 22:00:07,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144747216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:00:07,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:00:07,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 22:00:07,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964813916] [2024-11-10 22:00:07,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:00:07,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 22:00:07,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:00:07,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 22:00:07,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 22:00:07,718 INFO L87 Difference]: Start difference. First operand has 253 states, 231 states have (on average 1.606060606060606) internal successors, (371), 247 states have internal predecessors, (371), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:00:07,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 22:00:07,826 INFO L93 Difference]: Finished difference Result 502 states and 801 transitions. [2024-11-10 22:00:07,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 22:00:07,831 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-10 22:00:07,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 22:00:07,843 INFO L225 Difference]: With dead ends: 502 [2024-11-10 22:00:07,843 INFO L226 Difference]: Without dead ends: 246 [2024-11-10 22:00:07,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 22:00:07,852 INFO L432 NwaCegarLoop]: 336 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 22:00:07,853 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 336 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 22:00:07,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-10 22:00:07,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 246. [2024-11-10 22:00:07,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 226 states have (on average 1.4469026548672566) internal successors, (327), 240 states have internal predecessors, (327), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-10 22:00:07,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 353 transitions. [2024-11-10 22:00:07,916 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 353 transitions. Word has length 7 [2024-11-10 22:00:07,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 22:00:07,916 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 353 transitions. [2024-11-10 22:00:07,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:00:07,917 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 353 transitions. [2024-11-10 22:00:07,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-10 22:00:07,917 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 22:00:07,917 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:00:07,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 22:00:07,918 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 22:00:07,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:00:07,919 INFO L85 PathProgramCache]: Analyzing trace with hash -673626249, now seen corresponding path program 1 times [2024-11-10 22:00:07,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:00:07,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859589990] [2024-11-10 22:00:07,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:00:07,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:00:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:00:08,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:00:08,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:00:08,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859589990] [2024-11-10 22:00:08,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859589990] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:00:08,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:00:08,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 22:00:08,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799947555] [2024-11-10 22:00:08,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:00:08,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 22:00:08,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:00:08,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 22:00:08,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 22:00:08,005 INFO L87 Difference]: Start difference. First operand 246 states and 353 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:00:08,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 22:00:08,139 INFO L93 Difference]: Finished difference Result 481 states and 695 transitions. [2024-11-10 22:00:08,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 22:00:08,140 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-10 22:00:08,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 22:00:08,144 INFO L225 Difference]: With dead ends: 481 [2024-11-10 22:00:08,147 INFO L226 Difference]: Without dead ends: 446 [2024-11-10 22:00:08,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 22:00:08,149 INFO L432 NwaCegarLoop]: 366 mSDtfsCounter, 279 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 22:00:08,151 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 687 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 22:00:08,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2024-11-10 22:00:08,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 252. [2024-11-10 22:00:08,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 232 states have (on average 1.4353448275862069) internal successors, (333), 246 states have internal predecessors, (333), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-10 22:00:08,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 359 transitions. [2024-11-10 22:00:08,182 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 359 transitions. Word has length 8 [2024-11-10 22:00:08,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 22:00:08,183 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 359 transitions. [2024-11-10 22:00:08,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:00:08,183 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 359 transitions. [2024-11-10 22:00:08,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-10 22:00:08,187 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 22:00:08,187 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] [2024-11-10 22:00:08,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 22:00:08,187 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 22:00:08,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:00:08,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1330756842, now seen corresponding path program 1 times [2024-11-10 22:00:08,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:00:08,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51783258] [2024-11-10 22:00:08,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:00:08,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:00:08,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:00:08,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:00:08,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:00:08,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51783258] [2024-11-10 22:00:08,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51783258] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:00:08,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:00:08,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 22:00:08,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504434137] [2024-11-10 22:00:08,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:00:08,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 22:00:08,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:00:08,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 22:00:08,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 22:00:08,585 INFO L87 Difference]: Start difference. First operand 252 states and 359 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:00:08,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 22:00:08,697 INFO L93 Difference]: Finished difference Result 461 states and 654 transitions. [2024-11-10 22:00:08,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 22:00:08,698 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 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 83 [2024-11-10 22:00:08,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 22:00:08,699 INFO L225 Difference]: With dead ends: 461 [2024-11-10 22:00:08,700 INFO L226 Difference]: Without dead ends: 217 [2024-11-10 22:00:08,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 22:00:08,701 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 23 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 22:00:08,702 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 692 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 22:00:08,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-10 22:00:08,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 216. [2024-11-10 22:00:08,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 196 states have (on average 1.3520408163265305) internal successors, (265), 210 states have internal predecessors, (265), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-10 22:00:08,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 291 transitions. [2024-11-10 22:00:08,715 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 291 transitions. Word has length 83 [2024-11-10 22:00:08,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 22:00:08,716 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 291 transitions. [2024-11-10 22:00:08,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:00:08,716 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 291 transitions. [2024-11-10 22:00:08,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-10 22:00:08,721 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 22:00:08,721 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] [2024-11-10 22:00:08,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 22:00:08,722 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 22:00:08,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:00:08,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1768766345, now seen corresponding path program 1 times [2024-11-10 22:00:08,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:00:08,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810499957] [2024-11-10 22:00:08,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:00:08,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:00:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:00:09,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:00:09,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:00:09,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810499957] [2024-11-10 22:00:09,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810499957] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:00:09,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:00:09,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 22:00:09,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941254288] [2024-11-10 22:00:09,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:00:09,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 22:00:09,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:00:09,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 22:00:09,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 22:00:09,017 INFO L87 Difference]: Start difference. First operand 216 states and 291 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:00:09,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 22:00:09,117 INFO L93 Difference]: Finished difference Result 412 states and 562 transitions. [2024-11-10 22:00:09,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 22:00:09,118 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 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 83 [2024-11-10 22:00:09,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 22:00:09,120 INFO L225 Difference]: With dead ends: 412 [2024-11-10 22:00:09,122 INFO L226 Difference]: Without dead ends: 204 [2024-11-10 22:00:09,123 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 22:00:09,124 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 27 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 22:00:09,126 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 689 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 22:00:09,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-10 22:00:09,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2024-11-10 22:00:09,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 184 states have (on average 1.3369565217391304) internal successors, (246), 198 states have internal predecessors, (246), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-10 22:00:09,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 272 transitions. [2024-11-10 22:00:09,137 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 272 transitions. Word has length 83 [2024-11-10 22:00:09,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 22:00:09,138 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 272 transitions. [2024-11-10 22:00:09,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:00:09,138 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 272 transitions. [2024-11-10 22:00:09,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-10 22:00:09,140 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 22:00:09,140 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] [2024-11-10 22:00:09,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 22:00:09,141 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 22:00:09,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:00:09,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1140257232, now seen corresponding path program 1 times [2024-11-10 22:00:09,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:00:09,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213053869] [2024-11-10 22:00:09,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:00:09,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:00:09,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:00:09,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:00:09,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:00:09,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213053869] [2024-11-10 22:00:09,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213053869] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:00:09,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:00:09,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 22:00:09,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190458191] [2024-11-10 22:00:09,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:00:09,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 22:00:09,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:00:09,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 22:00:09,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 22:00:09,303 INFO L87 Difference]: Start difference. First operand 204 states and 272 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:00:09,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 22:00:09,379 INFO L93 Difference]: Finished difference Result 481 states and 645 transitions. [2024-11-10 22:00:09,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 22:00:09,379 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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 83 [2024-11-10 22:00:09,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 22:00:09,383 INFO L225 Difference]: With dead ends: 481 [2024-11-10 22:00:09,383 INFO L226 Difference]: Without dead ends: 285 [2024-11-10 22:00:09,384 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 22:00:09,385 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 54 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 22:00:09,386 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 496 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 22:00:09,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-10 22:00:09,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2024-11-10 22:00:09,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 265 states have (on average 1.3358490566037735) internal successors, (354), 279 states have internal predecessors, (354), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-10 22:00:09,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 380 transitions. [2024-11-10 22:00:09,404 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 380 transitions. Word has length 83 [2024-11-10 22:00:09,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 22:00:09,405 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 380 transitions. [2024-11-10 22:00:09,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:00:09,405 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 380 transitions. [2024-11-10 22:00:09,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-10 22:00:09,406 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 22:00:09,406 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:00:09,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 22:00:09,407 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 22:00:09,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:00:09,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1507607113, now seen corresponding path program 1 times [2024-11-10 22:00:09,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:00:09,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269786892] [2024-11-10 22:00:09,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:00:09,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:00:09,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:00:09,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 22:00:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:00:09,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 22:00:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:00:09,659 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 22:00:09,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:00:09,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269786892] [2024-11-10 22:00:09,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269786892] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:00:09,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:00:09,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 22:00:09,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315635907] [2024-11-10 22:00:09,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:00:09,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 22:00:09,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:00:09,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 22:00:09,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 22:00:09,664 INFO L87 Difference]: Start difference. First operand 285 states and 380 transitions. Second operand has 5 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 22:00:09,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 22:00:09,953 INFO L93 Difference]: Finished difference Result 356 states and 477 transitions. [2024-11-10 22:00:09,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 22:00:09,954 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 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 98 [2024-11-10 22:00:09,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 22:00:09,956 INFO L225 Difference]: With dead ends: 356 [2024-11-10 22:00:09,956 INFO L226 Difference]: Without dead ends: 354 [2024-11-10 22:00:09,957 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 22:00:09,959 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 114 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 868 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 22:00:09,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 868 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 22:00:09,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-10 22:00:09,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 350. [2024-11-10 22:00:09,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 327 states have (on average 1.3241590214067278) internal successors, (433), 341 states have internal predecessors, (433), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-10 22:00:09,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 465 transitions. [2024-11-10 22:00:09,979 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 465 transitions. Word has length 98 [2024-11-10 22:00:09,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 22:00:09,979 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 465 transitions. [2024-11-10 22:00:09,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 22:00:09,980 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 465 transitions. [2024-11-10 22:00:09,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-10 22:00:09,982 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 22:00:09,983 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-10 22:00:09,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 22:00:09,985 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 22:00:09,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:00:09,985 INFO L85 PathProgramCache]: Analyzing trace with hash 373676, now seen corresponding path program 1 times [2024-11-10 22:00:09,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:00:09,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253546514] [2024-11-10 22:00:09,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:00:09,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:00:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:00:10,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 22:00:10,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:00:10,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 22:00:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:00:10,263 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 22:00:10,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:00:10,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253546514] [2024-11-10 22:00:10,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253546514] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 22:00:10,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1510289112] [2024-11-10 22:00:10,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:00:10,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 22:00:10,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:00:10,268 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 22:00:10,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 22:00:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:00:10,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 22:00:10,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:00:10,722 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 22:00:10,722 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 22:00:10,886 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 22:00:10,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1510289112] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 22:00:10,887 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 22:00:10,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2024-11-10 22:00:10,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160870571] [2024-11-10 22:00:10,888 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 22:00:10,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 22:00:10,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:00:10,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 22:00:10,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-10 22:00:10,892 INFO L87 Difference]: Start difference. First operand 350 states and 465 transitions. Second operand has 11 states, 11 states have (on average 25.454545454545453) internal successors, (280), 10 states have internal predecessors, (280), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 22:00:11,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 22:00:11,365 INFO L93 Difference]: Finished difference Result 546 states and 741 transitions. [2024-11-10 22:00:11,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 22:00:11,366 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 25.454545454545453) internal successors, (280), 10 states have internal predecessors, (280), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 106 [2024-11-10 22:00:11,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 22:00:11,368 INFO L225 Difference]: With dead ends: 546 [2024-11-10 22:00:11,368 INFO L226 Difference]: Without dead ends: 511 [2024-11-10 22:00:11,369 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-10 22:00:11,372 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 602 mSDsluCounter, 1118 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 616 SdHoareTripleChecker+Valid, 1356 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 22:00:11,372 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [616 Valid, 1356 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 22:00:11,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2024-11-10 22:00:11,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 508. [2024-11-10 22:00:11,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 482 states have (on average 1.3174273858921162) internal successors, (635), 496 states have internal predecessors, (635), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 10 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 22:00:11,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 673 transitions. [2024-11-10 22:00:11,389 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 673 transitions. Word has length 106 [2024-11-10 22:00:11,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 22:00:11,390 INFO L471 AbstractCegarLoop]: Abstraction has 508 states and 673 transitions. [2024-11-10 22:00:11,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 25.454545454545453) internal successors, (280), 10 states have internal predecessors, (280), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 22:00:11,390 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 673 transitions. [2024-11-10 22:00:11,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-10 22:00:11,391 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 22:00:11,392 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:00:11,412 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-10 22:00:11,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 22:00:11,593 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 22:00:11,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:00:11,593 INFO L85 PathProgramCache]: Analyzing trace with hash 12995089, now seen corresponding path program 1 times [2024-11-10 22:00:11,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:00:11,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946379692] [2024-11-10 22:00:11,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:00:11,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:00:11,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:00:12,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 22:00:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:00:12,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 22:00:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:00:12,101 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 22:00:12,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:00:12,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946379692] [2024-11-10 22:00:12,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946379692] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 22:00:12,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1136344032] [2024-11-10 22:00:12,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:00:12,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 22:00:12,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:00:12,104 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 22:00:12,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 22:00:12,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:00:12,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-10 22:00:12,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:00:12,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-10 22:00:12,491 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 [2024-11-10 22:00:13,286 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 22:00:13,286 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 22:00:13,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1136344032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:00:13,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 22:00:13,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-11-10 22:00:13,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627850956] [2024-11-10 22:00:13,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:00:13,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 22:00:13,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:00:13,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 22:00:13,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-10 22:00:13,288 INFO L87 Difference]: Start difference. First operand 508 states and 673 transitions. Second operand has 11 states, 11 states have (on average 9.0) internal successors, (99), 11 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 22:00:14,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 22:00:14,621 INFO L93 Difference]: Finished difference Result 974 states and 1301 transitions. [2024-11-10 22:00:14,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 22:00:14,622 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.0) internal successors, (99), 11 states have internal predecessors, (99), 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 106 [2024-11-10 22:00:14,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 22:00:14,625 INFO L225 Difference]: With dead ends: 974 [2024-11-10 22:00:14,625 INFO L226 Difference]: Without dead ends: 508 [2024-11-10 22:00:14,626 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2024-11-10 22:00:14,627 INFO L432 NwaCegarLoop]: 273 mSDtfsCounter, 292 mSDsluCounter, 1242 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 1515 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 22:00:14,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 1515 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 22:00:14,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2024-11-10 22:00:14,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 508. [2024-11-10 22:00:14,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 482 states have (on average 1.3153526970954357) internal successors, (634), 496 states have internal predecessors, (634), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 10 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 22:00:14,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 672 transitions. [2024-11-10 22:00:14,641 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 672 transitions. Word has length 106 [2024-11-10 22:00:14,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 22:00:14,641 INFO L471 AbstractCegarLoop]: Abstraction has 508 states and 672 transitions. [2024-11-10 22:00:14,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.0) internal successors, (99), 11 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 22:00:14,641 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 672 transitions. [2024-11-10 22:00:14,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-10 22:00:14,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 22:00:14,642 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:00:14,661 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 22:00:14,846 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,SelfDestructingSolverStorable7 [2024-11-10 22:00:14,847 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 22:00:14,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:00:14,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1570768300, now seen corresponding path program 1 times [2024-11-10 22:00:14,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:00:14,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391205452] [2024-11-10 22:00:14,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:00:14,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:00:14,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:00:15,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 22:00:15,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:00:15,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 22:00:15,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:00:15,207 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 22:00:15,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:00:15,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391205452] [2024-11-10 22:00:15,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391205452] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 22:00:15,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935265852] [2024-11-10 22:00:15,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:00:15,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 22:00:15,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:00:15,210 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 22:00:15,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 22:00:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:00:15,509 INFO L255 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-10 22:00:15,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:01:16,072 WARN L286 SmtUtils]: Spent 6.71s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-10 22:01:35,241 WARN L286 SmtUtils]: Spent 5.82s on a formula simplification. DAG size of input: 30 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)