./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test1-2.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_OAT_nondet_test1-2.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 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 21:58:20,167 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 21:58:20,223 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 21:58:20,228 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 21:58:20,228 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 21:58:20,252 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 21:58:20,253 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 21:58:20,253 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 21:58:20,253 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 21:58:20,254 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 21:58:20,254 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 21:58:20,254 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 21:58:20,254 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 21:58:20,255 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 21:58:20,255 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 21:58:20,255 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 21:58:20,255 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 21:58:20,256 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 21:58:20,256 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 21:58:20,256 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 21:58:20,259 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 21:58:20,260 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 21:58:20,260 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 21:58:20,260 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 21:58:20,260 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 21:58:20,260 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 21:58:20,261 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 21:58:20,261 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 21:58:20,261 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 21:58:20,261 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 21:58:20,261 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 21:58:20,261 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 21:58:20,261 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 21:58:20,262 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 21:58:20,262 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 21:58:20,262 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 21:58:20,262 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 21:58:20,262 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 21:58:20,262 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 21:58:20,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 21:58:20,263 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 21:58:20,264 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 21:58:20,264 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 21:58:20,264 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 21:58:20,265 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 [2024-11-10 21:58:20,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 21:58:20,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 21:58:20,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 21:58:20,484 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 21:58:20,484 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 21:58:20,485 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test1-2.i [2024-11-10 21:58:21,791 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 21:58:22,090 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 21:58:22,091 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test1-2.i [2024-11-10 21:58:22,104 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1d2d1fe5/a69b502442f04e58bd3edb994ba5a5a8/FLAGd063bb870 [2024-11-10 21:58:22,119 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1d2d1fe5/a69b502442f04e58bd3edb994ba5a5a8 [2024-11-10 21:58:22,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 21:58:22,123 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 21:58:22,124 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 21:58:22,124 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 21:58:22,130 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 21:58:22,131 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:58:22" (1/1) ... [2024-11-10 21:58:22,132 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@786dd5b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:58:22, skipping insertion in model container [2024-11-10 21:58:22,132 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:58:22" (1/1) ... [2024-11-10 21:58:22,183 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 21:58:22,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 21:58:22,589 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 21:58:22,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 21:58:22,688 INFO L204 MainTranslator]: Completed translation [2024-11-10 21:58:22,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:58:22 WrapperNode [2024-11-10 21:58:22,689 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 21:58:22,690 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 21:58:22,690 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 21:58:22,690 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 21:58:22,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:58:22" (1/1) ... [2024-11-10 21:58:22,712 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:58:22" (1/1) ... [2024-11-10 21:58:22,778 INFO L138 Inliner]: procedures = 176, calls = 221, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 948 [2024-11-10 21:58:22,778 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 21:58:22,779 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 21:58:22,779 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 21:58:22,779 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 21:58:22,790 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:58:22" (1/1) ... [2024-11-10 21:58:22,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:58:22" (1/1) ... [2024-11-10 21:58:22,806 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:58:22" (1/1) ... [2024-11-10 21:58:22,866 INFO L175 MemorySlicer]: Split 206 memory accesses to 2 slices as follows [2, 204]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 50 writes are split as follows [0, 50]. [2024-11-10 21:58:22,866 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:58:22" (1/1) ... [2024-11-10 21:58:22,867 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:58:22" (1/1) ... [2024-11-10 21:58:22,899 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:58:22" (1/1) ... [2024-11-10 21:58:22,900 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:58:22" (1/1) ... [2024-11-10 21:58:22,906 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:58:22" (1/1) ... [2024-11-10 21:58:22,909 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:58:22" (1/1) ... [2024-11-10 21:58:22,917 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 21:58:22,918 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 21:58:22,919 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 21:58:22,919 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 21:58:22,920 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:58:22" (1/1) ... [2024-11-10 21:58:22,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 21:58:22,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:58:22,952 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 21:58:22,954 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 21:58:22,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 21:58:22,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 21:58:22,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 21:58:22,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 21:58:22,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-10 21:58:22,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-10 21:58:22,993 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-10 21:58:22,993 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-10 21:58:22,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 21:58:22,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 21:58:22,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 21:58:22,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 21:58:22,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 21:58:22,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 21:58:22,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 21:58:22,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 21:58:22,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 21:58:22,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 21:58:22,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 21:58:23,148 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 21:58:23,150 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 21:58:23,952 INFO L? ?]: Removed 229 outVars from TransFormulas that were not future-live. [2024-11-10 21:58:23,953 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 21:58:23,989 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 21:58:23,990 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-10 21:58:23,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:58:23 BoogieIcfgContainer [2024-11-10 21:58:23,991 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 21:58:23,993 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 21:58:23,993 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 21:58:23,996 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 21:58:23,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 09:58:22" (1/3) ... [2024-11-10 21:58:23,997 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10d84da0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:58:23, skipping insertion in model container [2024-11-10 21:58:23,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:58:22" (2/3) ... [2024-11-10 21:58:23,997 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10d84da0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:58:23, skipping insertion in model container [2024-11-10 21:58:23,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:58:23" (3/3) ... [2024-11-10 21:58:23,999 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_nondet_test1-2.i [2024-11-10 21:58:24,011 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 21:58:24,012 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-10 21:58:24,073 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 21:58:24,080 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;@45faeff4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 21:58:24,080 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-10 21:58:24,085 INFO L276 IsEmpty]: Start isEmpty. Operand has 264 states, 253 states have (on average 1.6007905138339922) internal successors, (405), 259 states have internal predecessors, (405), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 21:58:24,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-10 21:58:24,089 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:58:24,090 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:58:24,090 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 21:58:24,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:58:24,095 INFO L85 PathProgramCache]: Analyzing trace with hash 876078195, now seen corresponding path program 1 times [2024-11-10 21:58:24,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:58:24,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035709032] [2024-11-10 21:58:24,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:24,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:58:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:24,227 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 21:58:24,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:58:24,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035709032] [2024-11-10 21:58:24,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035709032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:58:24,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:58:24,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 21:58:24,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250428863] [2024-11-10 21:58:24,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:58:24,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 21:58:24,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:58:24,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 21:58:24,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 21:58:24,255 INFO L87 Difference]: Start difference. First operand has 264 states, 253 states have (on average 1.6007905138339922) internal successors, (405), 259 states have internal predecessors, (405), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.5) 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 21:58:24,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:58:24,350 INFO L93 Difference]: Finished difference Result 525 states and 819 transitions. [2024-11-10 21:58:24,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 21:58:24,357 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) 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 21:58:24,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:58:24,364 INFO L225 Difference]: With dead ends: 525 [2024-11-10 21:58:24,365 INFO L226 Difference]: Without dead ends: 221 [2024-11-10 21:58:24,368 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 21:58:24,370 INFO L432 NwaCegarLoop]: 341 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 21:58:24,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 341 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 21:58:24,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-10 21:58:24,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2024-11-10 21:58:24,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 211 states have (on average 1.4360189573459716) internal successors, (303), 216 states have internal predecessors, (303), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 21:58:24,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 309 transitions. [2024-11-10 21:58:24,427 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 309 transitions. Word has length 7 [2024-11-10 21:58:24,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:58:24,427 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 309 transitions. [2024-11-10 21:58:24,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) 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 21:58:24,428 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 309 transitions. [2024-11-10 21:58:24,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-10 21:58:24,428 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:58:24,428 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:58:24,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 21:58:24,429 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:58:24,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:58:24,429 INFO L85 PathProgramCache]: Analyzing trace with hash 876079156, now seen corresponding path program 1 times [2024-11-10 21:58:24,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:58:24,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785509197] [2024-11-10 21:58:24,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:24,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:58:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:24,575 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 21:58:24,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:58:24,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785509197] [2024-11-10 21:58:24,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785509197] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:58:24,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:58:24,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 21:58:24,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266748304] [2024-11-10 21:58:24,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:58:24,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 21:58:24,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:58:24,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 21:58:24,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 21:58:24,578 INFO L87 Difference]: Start difference. First operand 221 states and 309 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 21:58:24,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:58:24,652 INFO L93 Difference]: Finished difference Result 235 states and 327 transitions. [2024-11-10 21:58:24,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 21:58:24,653 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-10 21:58:24,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:58:24,654 INFO L225 Difference]: With dead ends: 235 [2024-11-10 21:58:24,655 INFO L226 Difference]: Without dead ends: 234 [2024-11-10 21:58:24,655 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 21:58:24,656 INFO L432 NwaCegarLoop]: 278 mSDtfsCounter, 10 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 21:58:24,656 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 561 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 21:58:24,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-11-10 21:58:24,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 226. [2024-11-10 21:58:24,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 216 states have (on average 1.4305555555555556) internal successors, (309), 221 states have internal predecessors, (309), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 21:58:24,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 315 transitions. [2024-11-10 21:58:24,671 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 315 transitions. Word has length 7 [2024-11-10 21:58:24,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:58:24,672 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 315 transitions. [2024-11-10 21:58:24,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 21:58:24,672 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 315 transitions. [2024-11-10 21:58:24,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-10 21:58:24,672 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:58:24,673 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:58:24,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 21:58:24,673 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:58:24,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:58:24,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1376029047, now seen corresponding path program 1 times [2024-11-10 21:58:24,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:58:24,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835002826] [2024-11-10 21:58:24,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:24,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:58:24,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:24,697 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 21:58:24,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:58:24,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835002826] [2024-11-10 21:58:24,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835002826] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:58:24,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:58:24,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 21:58:24,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236886449] [2024-11-10 21:58:24,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:58:24,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 21:58:24,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:58:24,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 21:58:24,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 21:58:24,700 INFO L87 Difference]: Start difference. First operand 226 states and 315 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 21:58:24,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:58:24,783 INFO L93 Difference]: Finished difference Result 430 states and 606 transitions. [2024-11-10 21:58:24,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 21:58:24,784 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 21:58:24,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:58:24,787 INFO L225 Difference]: With dead ends: 430 [2024-11-10 21:58:24,787 INFO L226 Difference]: Without dead ends: 422 [2024-11-10 21:58:24,790 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 21:58:24,791 INFO L432 NwaCegarLoop]: 325 mSDtfsCounter, 280 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 21:58:24,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 606 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 21:58:24,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2024-11-10 21:58:24,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 226. [2024-11-10 21:58:24,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 216 states have (on average 1.4259259259259258) internal successors, (308), 221 states have internal predecessors, (308), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 21:58:24,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 314 transitions. [2024-11-10 21:58:24,820 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 314 transitions. Word has length 8 [2024-11-10 21:58:24,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:58:24,820 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 314 transitions. [2024-11-10 21:58:24,820 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 21:58:24,820 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 314 transitions. [2024-11-10 21:58:24,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-10 21:58:24,821 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:58:24,821 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:58:24,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 21:58:24,822 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:58:24,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:58:24,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1388650460, now seen corresponding path program 1 times [2024-11-10 21:58:24,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:58:24,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546996723] [2024-11-10 21:58:24,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:24,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:58:24,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:24,938 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 21:58:24,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:58:24,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546996723] [2024-11-10 21:58:24,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546996723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:58:24,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:58:24,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 21:58:24,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283435720] [2024-11-10 21:58:24,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:58:24,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 21:58:24,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:58:24,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 21:58:24,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 21:58:24,939 INFO L87 Difference]: Start difference. First operand 226 states and 314 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 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 21:58:25,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:58:25,030 INFO L93 Difference]: Finished difference Result 229 states and 317 transitions. [2024-11-10 21:58:25,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 21:58:25,030 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 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 21:58:25,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:58:25,031 INFO L225 Difference]: With dead ends: 229 [2024-11-10 21:58:25,031 INFO L226 Difference]: Without dead ends: 228 [2024-11-10 21:58:25,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 21:58:25,032 INFO L432 NwaCegarLoop]: 284 mSDtfsCounter, 2 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 21:58:25,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 563 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 21:58:25,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-10 21:58:25,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 227. [2024-11-10 21:58:25,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 217 states have (on average 1.423963133640553) internal successors, (309), 222 states have internal predecessors, (309), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 21:58:25,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 315 transitions. [2024-11-10 21:58:25,039 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 315 transitions. Word has length 8 [2024-11-10 21:58:25,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:58:25,039 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 315 transitions. [2024-11-10 21:58:25,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 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 21:58:25,039 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 315 transitions. [2024-11-10 21:58:25,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-10 21:58:25,041 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:58:25,041 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 21:58:25,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 21:58:25,042 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 21:58:25,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:58:25,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1411240038, now seen corresponding path program 1 times [2024-11-10 21:58:25,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:58:25,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200410849] [2024-11-10 21:58:25,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:25,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:58:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:25,281 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 21:58:25,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:58:25,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200410849] [2024-11-10 21:58:25,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200410849] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:58:25,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:58:25,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 21:58:25,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176903749] [2024-11-10 21:58:25,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:58:25,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 21:58:25,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:58:25,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 21:58:25,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 21:58:25,286 INFO L87 Difference]: Start difference. First operand 227 states and 315 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 21:58:25,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:58:25,449 INFO L93 Difference]: Finished difference Result 466 states and 652 transitions. [2024-11-10 21:58:25,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 21:58:25,449 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 21:58:25,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:58:25,451 INFO L225 Difference]: With dead ends: 466 [2024-11-10 21:58:25,451 INFO L226 Difference]: Without dead ends: 247 [2024-11-10 21:58:25,451 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 21:58:25,452 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 8 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 21:58:25,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 519 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 21:58:25,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-11-10 21:58:25,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2024-11-10 21:58:25,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 237 states have (on average 1.3881856540084387) internal successors, (329), 242 states have internal predecessors, (329), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 21:58:25,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 335 transitions. [2024-11-10 21:58:25,467 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 335 transitions. Word has length 83 [2024-11-10 21:58:25,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:58:25,467 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 335 transitions. [2024-11-10 21:58:25,468 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 21:58:25,468 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 335 transitions. [2024-11-10 21:58:25,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-10 21:58:25,471 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:58:25,471 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 21:58:25,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 21:58:25,472 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 21:58:25,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:58:25,473 INFO L85 PathProgramCache]: Analyzing trace with hash 396607483, now seen corresponding path program 1 times [2024-11-10 21:58:25,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:58:25,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464734247] [2024-11-10 21:58:25,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:25,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:58:25,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:25,669 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 21:58:25,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:58:25,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464734247] [2024-11-10 21:58:25,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464734247] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:58:25,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:58:25,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 21:58:25,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745448301] [2024-11-10 21:58:25,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:58:25,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 21:58:25,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:58:25,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 21:58:25,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 21:58:25,672 INFO L87 Difference]: Start difference. First operand 247 states and 335 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 21:58:25,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:58:25,763 INFO L93 Difference]: Finished difference Result 472 states and 648 transitions. [2024-11-10 21:58:25,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 21:58:25,764 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 21:58:25,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:58:25,765 INFO L225 Difference]: With dead ends: 472 [2024-11-10 21:58:25,765 INFO L226 Difference]: Without dead ends: 233 [2024-11-10 21:58:25,765 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 21:58:25,766 INFO L432 NwaCegarLoop]: 259 mSDtfsCounter, 105 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 21:58:25,766 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 692 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 21:58:25,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2024-11-10 21:58:25,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2024-11-10 21:58:25,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 223 states have (on average 1.3811659192825112) internal successors, (308), 228 states have internal predecessors, (308), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 21:58:25,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 314 transitions. [2024-11-10 21:58:25,771 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 314 transitions. Word has length 83 [2024-11-10 21:58:25,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:58:25,771 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 314 transitions. [2024-11-10 21:58:25,772 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 21:58:25,772 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 314 transitions. [2024-11-10 21:58:25,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-10 21:58:25,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:58:25,773 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 21:58:25,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 21:58:25,773 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:58:25,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:58:25,774 INFO L85 PathProgramCache]: Analyzing trace with hash -989336236, now seen corresponding path program 1 times [2024-11-10 21:58:25,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:58:25,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055655068] [2024-11-10 21:58:25,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:25,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:58:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:25,892 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 21:58:25,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:58:25,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055655068] [2024-11-10 21:58:25,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055655068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:58:25,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:58:25,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 21:58:25,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754212506] [2024-11-10 21:58:25,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:58:25,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 21:58:25,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:58:25,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 21:58:25,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 21:58:25,896 INFO L87 Difference]: Start difference. First operand 233 states and 314 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 21:58:25,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:58:25,983 INFO L93 Difference]: Finished difference Result 593 states and 815 transitions. [2024-11-10 21:58:25,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 21:58:25,983 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 21:58:25,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:58:25,985 INFO L225 Difference]: With dead ends: 593 [2024-11-10 21:58:25,985 INFO L226 Difference]: Without dead ends: 368 [2024-11-10 21:58:25,986 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 21:58:25,987 INFO L432 NwaCegarLoop]: 279 mSDtfsCounter, 134 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 21:58:25,989 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 550 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 21:58:25,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-10 21:58:25,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2024-11-10 21:58:25,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 358 states have (on average 1.4022346368715084) internal successors, (502), 363 states have internal predecessors, (502), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 21:58:25,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 508 transitions. [2024-11-10 21:58:25,998 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 508 transitions. Word has length 83 [2024-11-10 21:58:25,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:58:25,998 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 508 transitions. [2024-11-10 21:58:25,998 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 21:58:25,999 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 508 transitions. [2024-11-10 21:58:26,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-10 21:58:26,000 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:58:26,000 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 21:58:26,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 21:58:26,001 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:58:26,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:58:26,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1555462665, now seen corresponding path program 1 times [2024-11-10 21:58:26,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:58:26,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77093857] [2024-11-10 21:58:26,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:26,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:58:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:26,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 21:58:26,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:26,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 21:58:26,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:26,210 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 21:58:26,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:58:26,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77093857] [2024-11-10 21:58:26,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77093857] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:58:26,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:58:26,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 21:58:26,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252242081] [2024-11-10 21:58:26,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:58:26,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 21:58:26,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:58:26,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 21:58:26,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 21:58:26,215 INFO L87 Difference]: Start difference. First operand 368 states and 508 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 21:58:26,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:58:26,511 INFO L93 Difference]: Finished difference Result 439 states and 605 transitions. [2024-11-10 21:58:26,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 21:58:26,512 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 21:58:26,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:58:26,515 INFO L225 Difference]: With dead ends: 439 [2024-11-10 21:58:26,515 INFO L226 Difference]: Without dead ends: 437 [2024-11-10 21:58:26,515 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 21:58:26,515 INFO L432 NwaCegarLoop]: 314 mSDtfsCounter, 191 mSDsluCounter, 831 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 1145 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 21:58:26,516 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 1145 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 21:58:26,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2024-11-10 21:58:26,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 433. [2024-11-10 21:58:26,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 420 states have (on average 1.3833333333333333) internal successors, (581), 425 states have internal predecessors, (581), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 21:58:26,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 593 transitions. [2024-11-10 21:58:26,526 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 593 transitions. Word has length 98 [2024-11-10 21:58:26,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:58:26,528 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 593 transitions. [2024-11-10 21:58:26,528 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 21:58:26,528 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 593 transitions. [2024-11-10 21:58:26,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-10 21:58:26,529 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:58:26,529 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:58:26,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 21:58:26,530 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:58:26,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:58:26,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1945571615, now seen corresponding path program 1 times [2024-11-10 21:58:26,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:58:26,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378120593] [2024-11-10 21:58:26,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:26,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:58:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:27,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 21:58:27,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:27,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 21:58:27,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:27,218 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:27,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:58:27,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378120593] [2024-11-10 21:58:27,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378120593] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 21:58:27,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1328134110] [2024-11-10 21:58:27,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:27,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:58:27,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:58:27,227 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 21:58:27,237 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 21:58:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:27,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 21:58:27,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:58:27,723 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:27,724 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 21:58:27,881 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:27,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1328134110] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 21:58:27,881 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 21:58:27,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-11-10 21:58:27,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618325622] [2024-11-10 21:58:27,882 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 21:58:27,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 21:58:27,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:58:27,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 21:58:27,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-10 21:58:27,883 INFO L87 Difference]: Start difference. First operand 433 states and 593 transitions. Second operand has 14 states, 13 states have (on average 15.615384615384615) internal successors, (203), 13 states have internal predecessors, (203), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 21:58:28,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:58:28,324 INFO L93 Difference]: Finished difference Result 885 states and 1231 transitions. [2024-11-10 21:58:28,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 21:58:28,324 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 15.615384615384615) internal successors, (203), 13 states have internal predecessors, (203), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 105 [2024-11-10 21:58:28,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:58:28,329 INFO L225 Difference]: With dead ends: 885 [2024-11-10 21:58:28,329 INFO L226 Difference]: Without dead ends: 884 [2024-11-10 21:58:28,330 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-11-10 21:58:28,330 INFO L432 NwaCegarLoop]: 311 mSDtfsCounter, 836 mSDsluCounter, 2256 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 846 SdHoareTripleChecker+Valid, 2567 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 21:58:28,330 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [846 Valid, 2567 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 21:58:28,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2024-11-10 21:58:28,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 857. [2024-11-10 21:58:28,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 857 states, 838 states have (on average 1.3866348448687351) internal successors, (1162), 843 states have internal predecessors, (1162), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 21:58:28,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1186 transitions. [2024-11-10 21:58:28,368 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1186 transitions. Word has length 105 [2024-11-10 21:58:28,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:58:28,368 INFO L471 AbstractCegarLoop]: Abstraction has 857 states and 1186 transitions. [2024-11-10 21:58:28,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 15.615384615384615) internal successors, (203), 13 states have internal predecessors, (203), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 21:58:28,368 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1186 transitions. [2024-11-10 21:58:28,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-10 21:58:28,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:58:28,369 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 21:58:28,383 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 21:58:28,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:58:28,570 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:58:28,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:58:28,570 INFO L85 PathProgramCache]: Analyzing trace with hash 170556908, now seen corresponding path program 1 times [2024-11-10 21:58:28,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:58:28,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606198658] [2024-11-10 21:58:28,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:28,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:58:28,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:28,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 21:58:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:28,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 21:58:28,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:28,773 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 21:58:28,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:58:28,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606198658] [2024-11-10 21:58:28,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606198658] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 21:58:28,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302297428] [2024-11-10 21:58:28,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:28,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:58:28,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:58:28,779 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 21:58:28,780 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 21:58:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:28,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 21:58:28,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:58:29,097 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 21:58:29,097 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 21:58:29,217 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 21:58:29,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1302297428] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 21:58:29,217 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 21:58:29,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2024-11-10 21:58:29,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629609469] [2024-11-10 21:58:29,218 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 21:58:29,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 21:58:29,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:58:29,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 21:58:29,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-10 21:58:29,219 INFO L87 Difference]: Start difference. First operand 857 states and 1186 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 21:58:29,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:58:29,544 INFO L93 Difference]: Finished difference Result 870 states and 1209 transitions. [2024-11-10 21:58:29,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 21:58:29,545 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 21:58:29,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:58:29,547 INFO L225 Difference]: With dead ends: 870 [2024-11-10 21:58:29,548 INFO L226 Difference]: Without dead ends: 861 [2024-11-10 21:58:29,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-10 21:58:29,548 INFO L432 NwaCegarLoop]: 313 mSDtfsCounter, 926 mSDsluCounter, 1933 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 940 SdHoareTripleChecker+Valid, 2246 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 21:58:29,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [940 Valid, 2246 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 21:58:29,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2024-11-10 21:58:29,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 857. [2024-11-10 21:58:29,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 857 states, 838 states have (on average 1.3830548926014319) internal successors, (1159), 843 states have internal predecessors, (1159), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 21:58:29,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1183 transitions. [2024-11-10 21:58:29,565 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1183 transitions. Word has length 106 [2024-11-10 21:58:29,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:58:29,565 INFO L471 AbstractCegarLoop]: Abstraction has 857 states and 1183 transitions. [2024-11-10 21:58:29,566 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 21:58:29,566 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1183 transitions. [2024-11-10 21:58:29,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-10 21:58:29,566 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:58:29,567 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 21:58:29,581 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 21:58:29,770 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,SelfDestructingSolverStorable9 [2024-11-10 21:58:29,771 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:58:29,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:58:29,771 INFO L85 PathProgramCache]: Analyzing trace with hash 183178321, now seen corresponding path program 1 times [2024-11-10 21:58:29,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:58:29,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461873431] [2024-11-10 21:58:29,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:29,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:58:29,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:30,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 21:58:30,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:30,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 21:58:30,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:30,178 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:30,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:58:30,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461873431] [2024-11-10 21:58:30,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461873431] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 21:58:30,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722205144] [2024-11-10 21:58:30,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:30,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:58:30,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:58:30,180 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 21:58:30,181 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 21:58:30,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:30,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 21:58:30,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:58:30,543 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:30,543 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 21:58:30,670 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:30,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1722205144] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 21:58:30,670 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 21:58:30,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-11-10 21:58:30,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301973899] [2024-11-10 21:58:30,670 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 21:58:30,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 21:58:30,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:58:30,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 21:58:30,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-10 21:58:30,672 INFO L87 Difference]: Start difference. First operand 857 states and 1183 transitions. Second operand has 14 states, 13 states have (on average 15.846153846153847) internal successors, (206), 13 states have internal predecessors, (206), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 21:58:31,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:58:31,076 INFO L93 Difference]: Finished difference Result 872 states and 1209 transitions. [2024-11-10 21:58:31,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 21:58:31,077 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 15.846153846153847) internal successors, (206), 13 states have internal predecessors, (206), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 106 [2024-11-10 21:58:31,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:58:31,080 INFO L225 Difference]: With dead ends: 872 [2024-11-10 21:58:31,080 INFO L226 Difference]: Without dead ends: 871 [2024-11-10 21:58:31,080 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-11-10 21:58:31,081 INFO L432 NwaCegarLoop]: 353 mSDtfsCounter, 817 mSDsluCounter, 1987 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 827 SdHoareTripleChecker+Valid, 2340 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 21:58:31,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [827 Valid, 2340 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 21:58:31,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2024-11-10 21:58:31,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 858. [2024-11-10 21:58:31,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 858 states, 839 states have (on average 1.3802145411203814) internal successors, (1158), 844 states have internal predecessors, (1158), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 21:58:31,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1182 transitions. [2024-11-10 21:58:31,096 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1182 transitions. Word has length 106 [2024-11-10 21:58:31,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:58:31,096 INFO L471 AbstractCegarLoop]: Abstraction has 858 states and 1182 transitions. [2024-11-10 21:58:31,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 15.846153846153847) internal successors, (206), 13 states have internal predecessors, (206), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 21:58:31,096 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1182 transitions. [2024-11-10 21:58:31,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-10 21:58:31,098 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:58:31,098 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:58:31,112 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-10 21:58:31,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:58:31,302 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:58:31,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:58:31,303 INFO L85 PathProgramCache]: Analyzing trace with hash -409389633, now seen corresponding path program 1 times [2024-11-10 21:58:31,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:58:31,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861313546] [2024-11-10 21:58:31,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:31,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:58:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:31,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 21:58:31,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:31,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 21:58:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:31,623 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:31,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:58:31,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861313546] [2024-11-10 21:58:31,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861313546] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 21:58:31,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [782914418] [2024-11-10 21:58:31,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:31,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:58:31,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:58:31,626 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 21:58:31,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 21:58:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:31,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 21:58:31,947 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:58:32,124 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:32,124 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 21:58:32,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [782914418] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:58:32,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 21:58:32,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-11-10 21:58:32,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341495209] [2024-11-10 21:58:32,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:58:32,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 21:58:32,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:58:32,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 21:58:32,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-10 21:58:32,128 INFO L87 Difference]: Start difference. First operand 858 states and 1182 transitions. Second operand has 6 states, 5 states have (on average 34.8) internal successors, (174), 6 states have internal predecessors, (174), 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 21:58:32,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:58:32,271 INFO L93 Difference]: Finished difference Result 858 states and 1182 transitions. [2024-11-10 21:58:32,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 21:58:32,272 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 34.8) internal successors, (174), 6 states have internal predecessors, (174), 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 181 [2024-11-10 21:58:32,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:58:32,274 INFO L225 Difference]: With dead ends: 858 [2024-11-10 21:58:32,274 INFO L226 Difference]: Without dead ends: 857 [2024-11-10 21:58:32,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-10 21:58:32,275 INFO L432 NwaCegarLoop]: 523 mSDtfsCounter, 386 mSDsluCounter, 1309 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 1832 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 21:58:32,275 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 1832 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 21:58:32,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2024-11-10 21:58:32,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 857. [2024-11-10 21:58:32,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 857 states, 839 states have (on average 1.3766388557806912) internal successors, (1155), 843 states have internal predecessors, (1155), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 21:58:32,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1179 transitions. [2024-11-10 21:58:32,291 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1179 transitions. Word has length 181 [2024-11-10 21:58:32,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:58:32,291 INFO L471 AbstractCegarLoop]: Abstraction has 857 states and 1179 transitions. [2024-11-10 21:58:32,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 34.8) internal successors, (174), 6 states have internal predecessors, (174), 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 21:58:32,291 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1179 transitions. [2024-11-10 21:58:32,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2024-11-10 21:58:32,293 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:58:32,293 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:58:32,308 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 21:58:32,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:58:32,494 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:58:32,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:58:32,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1777155619, now seen corresponding path program 1 times [2024-11-10 21:58:32,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:58:32,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95655344] [2024-11-10 21:58:32,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:32,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:58:32,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:32,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 21:58:32,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:32,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 21:58:32,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:32,754 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-11-10 21:58:32,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:58:32,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95655344] [2024-11-10 21:58:32,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95655344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:58:32,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:58:32,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 21:58:32,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38383002] [2024-11-10 21:58:32,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:58:32,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 21:58:32,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:58:32,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 21:58:32,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 21:58:32,756 INFO L87 Difference]: Start difference. First operand 857 states and 1179 transitions. Second operand has 5 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 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 21:58:32,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:58:32,978 INFO L93 Difference]: Finished difference Result 860 states and 1194 transitions. [2024-11-10 21:58:32,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 21:58:32,978 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 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 265 [2024-11-10 21:58:32,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:58:32,981 INFO L225 Difference]: With dead ends: 860 [2024-11-10 21:58:32,981 INFO L226 Difference]: Without dead ends: 859 [2024-11-10 21:58:32,982 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 21:58:32,982 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 201 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 21:58:32,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 781 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 21:58:32,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2024-11-10 21:58:33,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 856. [2024-11-10 21:58:33,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 839 states have (on average 1.3742550655542312) internal successors, (1153), 842 states have internal predecessors, (1153), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 21:58:33,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1177 transitions. [2024-11-10 21:58:33,021 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1177 transitions. Word has length 265 [2024-11-10 21:58:33,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:58:33,022 INFO L471 AbstractCegarLoop]: Abstraction has 856 states and 1177 transitions. [2024-11-10 21:58:33,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 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 21:58:33,022 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1177 transitions. [2024-11-10 21:58:33,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-11-10 21:58:33,024 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:58:33,024 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:58:33,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 21:58:33,025 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:58:33,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:58:33,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1497684204, now seen corresponding path program 1 times [2024-11-10 21:58:33,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:58:33,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618586518] [2024-11-10 21:58:33,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:33,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:58:33,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:33,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 21:58:33,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:33,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 21:58:33,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:33,480 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 251 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:33,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:58:33,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618586518] [2024-11-10 21:58:33,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618586518] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 21:58:33,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1728520727] [2024-11-10 21:58:33,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:33,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:58:33,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:58:33,485 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 21:58:33,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 21:58:33,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:33,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 1314 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 21:58:33,879 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:58:34,106 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 251 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:34,107 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 21:58:34,424 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 251 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:34,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1728520727] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 21:58:34,425 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 21:58:34,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 19 [2024-11-10 21:58:34,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788484564] [2024-11-10 21:58:34,425 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 21:58:34,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-10 21:58:34,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:58:34,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-10 21:58:34,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2024-11-10 21:58:34,428 INFO L87 Difference]: Start difference. First operand 856 states and 1177 transitions. Second operand has 19 states, 19 states have (on average 32.21052631578947) internal successors, (612), 18 states have internal predecessors, (612), 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 21:58:34,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:58:34,949 INFO L93 Difference]: Finished difference Result 1494 states and 2079 transitions. [2024-11-10 21:58:34,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 21:58:34,949 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 32.21052631578947) internal successors, (612), 18 states have internal predecessors, (612), 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 272 [2024-11-10 21:58:34,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:58:34,954 INFO L225 Difference]: With dead ends: 1494 [2024-11-10 21:58:34,955 INFO L226 Difference]: Without dead ends: 1486 [2024-11-10 21:58:34,955 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 555 GetRequests, 538 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2024-11-10 21:58:34,956 INFO L432 NwaCegarLoop]: 312 mSDtfsCounter, 2089 mSDsluCounter, 2456 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2127 SdHoareTripleChecker+Valid, 2768 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 21:58:34,956 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2127 Valid, 2768 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 21:58:34,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1486 states. [2024-11-10 21:58:34,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1486 to 1479. [2024-11-10 21:58:34,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1479 states, 1453 states have (on average 1.377150722642808) internal successors, (2001), 1456 states have internal predecessors, (2001), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-10 21:58:34,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 1479 states and 2043 transitions. [2024-11-10 21:58:34,980 INFO L78 Accepts]: Start accepts. Automaton has 1479 states and 2043 transitions. Word has length 272 [2024-11-10 21:58:34,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:58:34,980 INFO L471 AbstractCegarLoop]: Abstraction has 1479 states and 2043 transitions. [2024-11-10 21:58:34,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 32.21052631578947) internal successors, (612), 18 states have internal predecessors, (612), 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 21:58:34,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 2043 transitions. [2024-11-10 21:58:34,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2024-11-10 21:58:34,984 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:58:34,984 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:58:35,000 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-10 21:58:35,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-10 21:58:35,185 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:58:35,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:58:35,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1365322583, now seen corresponding path program 1 times [2024-11-10 21:58:35,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:58:35,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300402357] [2024-11-10 21:58:35,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:35,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:58:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:37,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 21:58:37,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:37,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 21:58:37,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:37,506 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 0 proven. 512 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:37,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:58:37,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300402357] [2024-11-10 21:58:37,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300402357] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 21:58:37,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [260106428] [2024-11-10 21:58:37,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:37,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:58:37,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:58:37,508 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 21:58:37,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 21:58:38,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:38,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 1724 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-10 21:58:38,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:58:38,506 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 0 proven. 512 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:38,507 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 21:58:38,955 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 0 proven. 512 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:38,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [260106428] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 21:58:38,955 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 21:58:38,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 28 [2024-11-10 21:58:38,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940318970] [2024-11-10 21:58:38,955 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 21:58:38,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-10 21:58:38,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:58:38,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-10 21:58:38,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=552, Unknown=0, NotChecked=0, Total=812 [2024-11-10 21:58:38,958 INFO L87 Difference]: Start difference. First operand 1479 states and 2043 transitions. Second operand has 29 states, 28 states have (on average 25.464285714285715) internal successors, (713), 28 states have internal predecessors, (713), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 21:58:39,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:58:39,718 INFO L93 Difference]: Finished difference Result 2133 states and 2983 transitions. [2024-11-10 21:58:39,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-10 21:58:39,719 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 25.464285714285715) internal successors, (713), 28 states have internal predecessors, (713), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 354 [2024-11-10 21:58:39,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:58:39,725 INFO L225 Difference]: With dead ends: 2133 [2024-11-10 21:58:39,725 INFO L226 Difference]: Without dead ends: 2132 [2024-11-10 21:58:39,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 726 GetRequests, 694 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 389 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=340, Invalid=782, Unknown=0, NotChecked=0, Total=1122 [2024-11-10 21:58:39,726 INFO L432 NwaCegarLoop]: 391 mSDtfsCounter, 3907 mSDsluCounter, 5206 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3953 SdHoareTripleChecker+Valid, 5597 SdHoareTripleChecker+Invalid, 831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 21:58:39,727 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3953 Valid, 5597 Invalid, 831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 21:58:39,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2132 states. [2024-11-10 21:58:39,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2132 to 2109. [2024-11-10 21:58:39,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2109 states, 2074 states have (on average 1.3775313404050145) internal successors, (2857), 2077 states have internal predecessors, (2857), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-10 21:58:39,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 2109 states and 2917 transitions. [2024-11-10 21:58:39,763 INFO L78 Accepts]: Start accepts. Automaton has 2109 states and 2917 transitions. Word has length 354 [2024-11-10 21:58:39,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:58:39,764 INFO L471 AbstractCegarLoop]: Abstraction has 2109 states and 2917 transitions. [2024-11-10 21:58:39,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 25.464285714285715) internal successors, (713), 28 states have internal predecessors, (713), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 21:58:39,764 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 2917 transitions. [2024-11-10 21:58:39,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2024-11-10 21:58:39,767 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:58:39,767 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:58:39,784 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 21:58:39,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-10 21:58:39,972 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:58:39,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:58:39,972 INFO L85 PathProgramCache]: Analyzing trace with hash -624672487, now seen corresponding path program 1 times [2024-11-10 21:58:39,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:58:39,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807866416] [2024-11-10 21:58:39,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:39,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:58:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:41,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 21:58:41,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:41,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 21:58:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:41,877 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 516 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:41,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:58:41,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807866416] [2024-11-10 21:58:41,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807866416] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 21:58:41,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [20367449] [2024-11-10 21:58:41,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:41,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:58:41,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:58:41,879 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 21:58:41,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 21:58:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:42,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 1725 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-10 21:58:42,400 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:58:42,764 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 516 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:42,764 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 21:58:43,145 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 516 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:43,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [20367449] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 21:58:43,146 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 21:58:43,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 28 [2024-11-10 21:58:43,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691535415] [2024-11-10 21:58:43,146 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 21:58:43,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-10 21:58:43,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:58:43,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-10 21:58:43,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=552, Unknown=0, NotChecked=0, Total=812 [2024-11-10 21:58:43,148 INFO L87 Difference]: Start difference. First operand 2109 states and 2917 transitions. Second operand has 29 states, 28 states have (on average 25.571428571428573) internal successors, (716), 28 states have internal predecessors, (716), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 21:58:43,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:58:43,900 INFO L93 Difference]: Finished difference Result 2133 states and 2977 transitions. [2024-11-10 21:58:43,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-10 21:58:43,901 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 25.571428571428573) internal successors, (716), 28 states have internal predecessors, (716), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 355 [2024-11-10 21:58:43,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:58:43,906 INFO L225 Difference]: With dead ends: 2133 [2024-11-10 21:58:43,907 INFO L226 Difference]: Without dead ends: 2132 [2024-11-10 21:58:43,907 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 728 GetRequests, 696 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 389 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=340, Invalid=782, Unknown=0, NotChecked=0, Total=1122 [2024-11-10 21:58:43,908 INFO L432 NwaCegarLoop]: 351 mSDtfsCounter, 2628 mSDsluCounter, 5207 mSDsCounter, 0 mSdLazyCounter, 785 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2674 SdHoareTripleChecker+Valid, 5558 SdHoareTripleChecker+Invalid, 813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 21:58:43,908 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2674 Valid, 5558 Invalid, 813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 785 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 21:58:43,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2132 states. [2024-11-10 21:58:43,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2132 to 2110. [2024-11-10 21:58:43,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2110 states, 2075 states have (on average 1.3749397590361445) internal successors, (2853), 2078 states have internal predecessors, (2853), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-10 21:58:43,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2110 states to 2110 states and 2913 transitions. [2024-11-10 21:58:43,940 INFO L78 Accepts]: Start accepts. Automaton has 2110 states and 2913 transitions. Word has length 355 [2024-11-10 21:58:43,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:58:43,940 INFO L471 AbstractCegarLoop]: Abstraction has 2110 states and 2913 transitions. [2024-11-10 21:58:43,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 25.571428571428573) internal successors, (716), 28 states have internal predecessors, (716), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 21:58:43,941 INFO L276 IsEmpty]: Start isEmpty. Operand 2110 states and 2913 transitions. [2024-11-10 21:58:43,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 605 [2024-11-10 21:58:43,948 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:58:43,949 INFO L215 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:58:43,965 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-10 21:58:44,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:58:44,153 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:58:44,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:58:44,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1111175444, now seen corresponding path program 2 times [2024-11-10 21:58:44,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:58:44,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448306174] [2024-11-10 21:58:44,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:44,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:58:44,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:45,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 21:58:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:45,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 21:58:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:45,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1749 backedges. 0 proven. 1745 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:45,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:58:45,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448306174] [2024-11-10 21:58:45,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448306174] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 21:58:45,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661369282] [2024-11-10 21:58:45,946 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 21:58:45,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:58:45,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:58:45,948 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 21:58:45,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 21:58:46,913 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 21:58:46,913 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 21:58:46,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 2830 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 21:58:46,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:58:47,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1749 backedges. 0 proven. 1745 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:47,483 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 21:58:48,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1749 backedges. 0 proven. 1745 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:48,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [661369282] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 21:58:48,127 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 21:58:48,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 24 [2024-11-10 21:58:48,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681813288] [2024-11-10 21:58:48,128 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 21:58:48,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-10 21:58:48,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:58:48,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-10 21:58:48,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2024-11-10 21:58:48,131 INFO L87 Difference]: Start difference. First operand 2110 states and 2913 transitions. Second operand has 24 states, 24 states have (on average 35.958333333333336) internal successors, (863), 23 states have internal predecessors, (863), 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 21:58:48,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:58:48,845 INFO L93 Difference]: Finished difference Result 2121 states and 2954 transitions. [2024-11-10 21:58:48,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-10 21:58:48,846 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 35.958333333333336) internal successors, (863), 23 states have internal predecessors, (863), 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 604 [2024-11-10 21:58:48,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:58:48,853 INFO L225 Difference]: With dead ends: 2121 [2024-11-10 21:58:48,853 INFO L226 Difference]: Without dead ends: 2113 [2024-11-10 21:58:48,854 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1227 GetRequests, 1194 SyntacticMatches, 11 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2024-11-10 21:58:48,854 INFO L432 NwaCegarLoop]: 312 mSDtfsCounter, 4614 mSDsluCounter, 3824 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4666 SdHoareTripleChecker+Valid, 4136 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 21:58:48,854 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4666 Valid, 4136 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 21:58:48,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2113 states. [2024-11-10 21:58:48,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2113 to 2110. [2024-11-10 21:58:48,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2110 states, 2075 states have (on average 1.3734939759036144) internal successors, (2850), 2078 states have internal predecessors, (2850), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-10 21:58:48,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2110 states to 2110 states and 2910 transitions. [2024-11-10 21:58:48,887 INFO L78 Accepts]: Start accepts. Automaton has 2110 states and 2910 transitions. Word has length 604 [2024-11-10 21:58:48,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:58:48,888 INFO L471 AbstractCegarLoop]: Abstraction has 2110 states and 2910 transitions. [2024-11-10 21:58:48,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 35.958333333333336) internal successors, (863), 23 states have internal predecessors, (863), 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 21:58:48,888 INFO L276 IsEmpty]: Start isEmpty. Operand 2110 states and 2910 transitions. [2024-11-10 21:58:48,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 853 [2024-11-10 21:58:48,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:58:48,894 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:58:48,912 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-10 21:58:49,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-10 21:58:49,095 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:58:49,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:58:49,095 INFO L85 PathProgramCache]: Analyzing trace with hash 2092727383, now seen corresponding path program 2 times [2024-11-10 21:58:49,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:58:49,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574944482] [2024-11-10 21:58:49,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:49,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:58:49,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:51,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 21:58:51,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:51,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 21:58:51,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:51,789 INFO L134 CoverageAnalysis]: Checked inductivity of 3771 backedges. 3036 proven. 731 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:51,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:58:51,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574944482] [2024-11-10 21:58:51,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574944482] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 21:58:51,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906714137] [2024-11-10 21:58:51,790 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 21:58:51,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:58:51,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:58:51,792 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 21:58:51,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 21:58:52,848 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 21:58:52,848 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 21:58:52,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 3998 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-10 21:58:52,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:58:53,564 INFO L134 CoverageAnalysis]: Checked inductivity of 3771 backedges. 3767 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:53,565 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 21:58:53,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [906714137] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:58:53,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 21:58:53,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [24] total 26 [2024-11-10 21:58:53,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262837168] [2024-11-10 21:58:53,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:58:53,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-10 21:58:53,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:58:53,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-10 21:58:53,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=499, Unknown=0, NotChecked=0, Total=650 [2024-11-10 21:58:53,568 INFO L87 Difference]: Start difference. First operand 2110 states and 2910 transitions. Second operand has 23 states, 23 states have (on average 36.73913043478261) internal successors, (845), 23 states have internal predecessors, (845), 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 21:58:54,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:58:54,241 INFO L93 Difference]: Finished difference Result 2327 states and 3208 transitions. [2024-11-10 21:58:54,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-10 21:58:54,242 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 36.73913043478261) internal successors, (845), 23 states have internal predecessors, (845), 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 852 [2024-11-10 21:58:54,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:58:54,249 INFO L225 Difference]: With dead ends: 2327 [2024-11-10 21:58:54,249 INFO L226 Difference]: Without dead ends: 2104 [2024-11-10 21:58:54,250 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 878 GetRequests, 854 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=151, Invalid=499, Unknown=0, NotChecked=0, Total=650 [2024-11-10 21:58:54,250 INFO L432 NwaCegarLoop]: 2264 mSDtfsCounter, 2078 mSDsluCounter, 6917 mSDsCounter, 0 mSdLazyCounter, 1138 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2106 SdHoareTripleChecker+Valid, 9181 SdHoareTripleChecker+Invalid, 1147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 21:58:54,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2106 Valid, 9181 Invalid, 1147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1138 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 21:58:54,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2104 states. [2024-11-10 21:58:54,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2104 to 2104. [2024-11-10 21:58:54,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2104 states, 2071 states have (on average 1.3727667793336553) internal successors, (2843), 2072 states have internal predecessors, (2843), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-10 21:58:54,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2104 states to 2104 states and 2903 transitions. [2024-11-10 21:58:54,282 INFO L78 Accepts]: Start accepts. Automaton has 2104 states and 2903 transitions. Word has length 852 [2024-11-10 21:58:54,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:58:54,283 INFO L471 AbstractCegarLoop]: Abstraction has 2104 states and 2903 transitions. [2024-11-10 21:58:54,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 36.73913043478261) internal successors, (845), 23 states have internal predecessors, (845), 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 21:58:54,283 INFO L276 IsEmpty]: Start isEmpty. Operand 2104 states and 2903 transitions. [2024-11-10 21:58:54,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 854 [2024-11-10 21:58:54,289 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:58:54,289 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:58:54,312 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-10 21:58:54,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-10 21:58:54,494 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:58:54,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:58:54,494 INFO L85 PathProgramCache]: Analyzing trace with hash 437418420, now seen corresponding path program 3 times [2024-11-10 21:58:54,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:58:54,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579646416] [2024-11-10 21:58:54,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:54,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms