./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_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_BER_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 21:54:00,708 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 21:54:00,768 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 21:54:00,773 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 21:54:00,773 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 21:54:00,796 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 21:54:00,797 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 21:54:00,797 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 21:54:00,798 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 21:54:00,799 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 21:54:00,799 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 21:54:00,800 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 21:54:00,801 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 21:54:00,801 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 21:54:00,802 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 21:54:00,802 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 21:54:00,802 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 21:54:00,803 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 21:54:00,803 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 21:54:00,803 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 21:54:00,803 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 21:54:00,807 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 21:54:00,807 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 21:54:00,807 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 21:54:00,807 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 21:54:00,807 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 21:54:00,808 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 21:54:00,808 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 21:54:00,808 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 21:54:00,808 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 21:54:00,808 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 21:54:00,809 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 21:54:00,809 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 21:54:00,809 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 21:54:00,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 21:54:00,809 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 21:54:00,809 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 21:54:00,810 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 21:54:00,810 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 21:54:00,810 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 21:54:00,810 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 21:54:00,811 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 21:54:00,811 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 21:54:00,811 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 21:54:00,812 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 [2024-11-10 21:54:01,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 21:54:01,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 21:54:01,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 21:54:01,105 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 21:54:01,105 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 21:54:01,106 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test1-2.i [2024-11-10 21:54:02,403 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 21:54:02,642 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 21:54:02,644 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test1-2.i [2024-11-10 21:54:02,662 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6af6c25f/7eca7dfcc3734d5fb54fd65f223a5e94/FLAG247a69385 [2024-11-10 21:54:02,680 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6af6c25f/7eca7dfcc3734d5fb54fd65f223a5e94 [2024-11-10 21:54:02,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 21:54:02,683 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 21:54:02,684 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 21:54:02,684 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 21:54:02,697 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 21:54:02,697 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:54:02" (1/1) ... [2024-11-10 21:54:02,698 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ec24b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:54:02, skipping insertion in model container [2024-11-10 21:54:02,698 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:54:02" (1/1) ... [2024-11-10 21:54:02,794 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 21:54:03,107 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 21:54:03,120 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 21:54:03,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 21:54:03,212 INFO L204 MainTranslator]: Completed translation [2024-11-10 21:54:03,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:54:03 WrapperNode [2024-11-10 21:54:03,213 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 21:54:03,214 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 21:54:03,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 21:54:03,214 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 21:54:03,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:54:03" (1/1) ... [2024-11-10 21:54:03,246 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:54:03" (1/1) ... [2024-11-10 21:54:03,303 INFO L138 Inliner]: procedures = 176, calls = 221, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 948 [2024-11-10 21:54:03,306 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 21:54:03,307 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 21:54:03,307 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 21:54:03,307 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 21:54:03,324 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:54:03" (1/1) ... [2024-11-10 21:54:03,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:54:03" (1/1) ... [2024-11-10 21:54:03,336 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:54:03" (1/1) ... [2024-11-10 21:54:03,392 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 21:54:03,392 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:54:03" (1/1) ... [2024-11-10 21:54:03,392 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:54:03" (1/1) ... [2024-11-10 21:54:03,423 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:54:03" (1/1) ... [2024-11-10 21:54:03,425 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:54:03" (1/1) ... [2024-11-10 21:54:03,427 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:54:03" (1/1) ... [2024-11-10 21:54:03,429 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:54:03" (1/1) ... [2024-11-10 21:54:03,435 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 21:54:03,436 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 21:54:03,436 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 21:54:03,436 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 21:54:03,437 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:54:03" (1/1) ... [2024-11-10 21:54:03,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 21:54:03,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:54:03,472 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 21:54:03,476 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 21:54:03,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 21:54:03,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 21:54:03,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 21:54:03,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 21:54:03,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-10 21:54:03,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-10 21:54:03,513 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-10 21:54:03,513 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-10 21:54:03,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 21:54:03,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 21:54:03,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 21:54:03,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 21:54:03,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 21:54:03,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 21:54:03,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 21:54:03,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 21:54:03,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 21:54:03,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 21:54:03,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 21:54:03,656 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 21:54:03,658 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 21:54:04,543 INFO L? ?]: Removed 229 outVars from TransFormulas that were not future-live. [2024-11-10 21:54:04,543 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 21:54:04,589 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 21:54:04,590 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-10 21:54:04,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:54:04 BoogieIcfgContainer [2024-11-10 21:54:04,591 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 21:54:04,592 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 21:54:04,593 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 21:54:04,596 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 21:54:04,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 09:54:02" (1/3) ... [2024-11-10 21:54:04,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35b5787c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:54:04, skipping insertion in model container [2024-11-10 21:54:04,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:54:03" (2/3) ... [2024-11-10 21:54:04,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35b5787c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:54:04, skipping insertion in model container [2024-11-10 21:54:04,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:54:04" (3/3) ... [2024-11-10 21:54:04,599 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_nondet_test1-2.i [2024-11-10 21:54:04,613 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 21:54:04,613 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-10 21:54:04,675 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 21:54:04,681 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;@4998d039, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 21:54:04,681 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-10 21:54:04,685 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 21:54:04,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-10 21:54:04,689 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:54:04,689 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:54:04,690 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 21:54:04,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:54:04,694 INFO L85 PathProgramCache]: Analyzing trace with hash 876078195, now seen corresponding path program 1 times [2024-11-10 21:54:04,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:54:04,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426969992] [2024-11-10 21:54:04,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:54:04,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:54:04,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:04,808 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 21:54:04,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:54:04,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426969992] [2024-11-10 21:54:04,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426969992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:54:04,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:54:04,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 21:54:04,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100598904] [2024-11-10 21:54:04,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:54:04,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 21:54:04,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:54:04,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 21:54:04,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 21:54:04,833 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 21:54:04,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:54:04,894 INFO L93 Difference]: Finished difference Result 525 states and 819 transitions. [2024-11-10 21:54:04,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 21:54:04,897 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 21:54:04,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:54:04,903 INFO L225 Difference]: With dead ends: 525 [2024-11-10 21:54:04,904 INFO L226 Difference]: Without dead ends: 221 [2024-11-10 21:54:04,907 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 21:54:04,909 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, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 21:54:04,910 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 341 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 21:54:04,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-10 21:54:04,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2024-11-10 21:54:04,944 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 21:54:04,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 309 transitions. [2024-11-10 21:54:04,947 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 309 transitions. Word has length 7 [2024-11-10 21:54:04,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:54:04,948 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 309 transitions. [2024-11-10 21:54:04,948 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 21:54:04,948 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 309 transitions. [2024-11-10 21:54:04,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-10 21:54:04,949 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:54:04,949 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:54:04,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 21:54:04,949 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 21:54:04,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:54:04,950 INFO L85 PathProgramCache]: Analyzing trace with hash 876079156, now seen corresponding path program 1 times [2024-11-10 21:54:04,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:54:04,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568193873] [2024-11-10 21:54:04,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:54:04,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:54:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:05,099 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 21:54:05,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:54:05,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568193873] [2024-11-10 21:54:05,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568193873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:54:05,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:54:05,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 21:54:05,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619582027] [2024-11-10 21:54:05,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:54:05,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 21:54:05,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:54:05,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 21:54:05,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 21:54:05,103 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 21:54:05,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:54:05,177 INFO L93 Difference]: Finished difference Result 235 states and 327 transitions. [2024-11-10 21:54:05,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 21:54:05,177 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 21:54:05,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:54:05,179 INFO L225 Difference]: With dead ends: 235 [2024-11-10 21:54:05,179 INFO L226 Difference]: Without dead ends: 234 [2024-11-10 21:54:05,179 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 21:54:05,180 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 21:54:05,181 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 21:54:05,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-11-10 21:54:05,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 226. [2024-11-10 21:54:05,193 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 21:54:05,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 315 transitions. [2024-11-10 21:54:05,194 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 315 transitions. Word has length 7 [2024-11-10 21:54:05,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:54:05,195 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 315 transitions. [2024-11-10 21:54:05,195 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 21:54:05,195 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 315 transitions. [2024-11-10 21:54:05,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-10 21:54:05,195 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:54:05,195 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:54:05,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 21:54:05,196 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 21:54:05,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:54:05,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1376029047, now seen corresponding path program 1 times [2024-11-10 21:54:05,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:54:05,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763167485] [2024-11-10 21:54:05,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:54:05,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:54:05,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:05,221 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 21:54:05,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:54:05,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763167485] [2024-11-10 21:54:05,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763167485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:54:05,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:54:05,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 21:54:05,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101001575] [2024-11-10 21:54:05,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:54:05,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 21:54:05,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:54:05,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 21:54:05,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 21:54:05,223 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 21:54:05,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:54:05,338 INFO L93 Difference]: Finished difference Result 430 states and 606 transitions. [2024-11-10 21:54:05,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 21:54:05,338 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 21:54:05,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:54:05,340 INFO L225 Difference]: With dead ends: 430 [2024-11-10 21:54:05,340 INFO L226 Difference]: Without dead ends: 422 [2024-11-10 21:54:05,341 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 21:54:05,342 INFO L432 NwaCegarLoop]: 325 mSDtfsCounter, 280 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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 21:54:05,342 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 21:54:05,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2024-11-10 21:54:05,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 226. [2024-11-10 21:54:05,353 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 21:54:05,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 314 transitions. [2024-11-10 21:54:05,354 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 314 transitions. Word has length 8 [2024-11-10 21:54:05,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:54:05,354 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 314 transitions. [2024-11-10 21:54:05,354 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 21:54:05,354 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 314 transitions. [2024-11-10 21:54:05,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-10 21:54:05,355 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:54:05,355 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:54:05,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 21:54:05,355 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 21:54:05,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:54:05,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1388650460, now seen corresponding path program 1 times [2024-11-10 21:54:05,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:54:05,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953663654] [2024-11-10 21:54:05,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:54:05,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:54:05,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:05,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 21:54:05,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:54:05,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953663654] [2024-11-10 21:54:05,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953663654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:54:05,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:54:05,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 21:54:05,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161750104] [2024-11-10 21:54:05,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:54:05,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 21:54:05,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:54:05,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 21:54:05,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 21:54:05,474 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 21:54:05,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:54:05,524 INFO L93 Difference]: Finished difference Result 229 states and 317 transitions. [2024-11-10 21:54:05,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 21:54:05,524 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 21:54:05,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:54:05,525 INFO L225 Difference]: With dead ends: 229 [2024-11-10 21:54:05,525 INFO L226 Difference]: Without dead ends: 228 [2024-11-10 21:54:05,525 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 21:54:05,529 INFO L432 NwaCegarLoop]: 284 mSDtfsCounter, 2 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 21:54:05,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 563 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 21:54:05,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-10 21:54:05,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 227. [2024-11-10 21:54:05,536 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 21:54:05,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 315 transitions. [2024-11-10 21:54:05,537 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 315 transitions. Word has length 8 [2024-11-10 21:54:05,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:54:05,537 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 315 transitions. [2024-11-10 21:54:05,537 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 21:54:05,537 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 315 transitions. [2024-11-10 21:54:05,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-10 21:54:05,539 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:54:05,539 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 21:54:05,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 21:54:05,540 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 21:54:05,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:54:05,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1411240038, now seen corresponding path program 1 times [2024-11-10 21:54:05,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:54:05,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164247284] [2024-11-10 21:54:05,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:54:05,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:54:05,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:05,731 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 21:54:05,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:54:05,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164247284] [2024-11-10 21:54:05,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164247284] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:54:05,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:54:05,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 21:54:05,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745380710] [2024-11-10 21:54:05,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:54:05,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 21:54:05,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:54:05,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 21:54:05,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 21:54:05,734 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 21:54:05,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:54:05,816 INFO L93 Difference]: Finished difference Result 466 states and 652 transitions. [2024-11-10 21:54:05,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 21:54:05,817 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 21:54:05,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:54:05,818 INFO L225 Difference]: With dead ends: 466 [2024-11-10 21:54:05,818 INFO L226 Difference]: Without dead ends: 247 [2024-11-10 21:54:05,819 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 21:54:05,819 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 21:54:05,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 519 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 21:54:05,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-11-10 21:54:05,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2024-11-10 21:54:05,824 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 21:54:05,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 335 transitions. [2024-11-10 21:54:05,825 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 335 transitions. Word has length 83 [2024-11-10 21:54:05,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:54:05,826 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 335 transitions. [2024-11-10 21:54:05,826 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 21:54:05,826 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 335 transitions. [2024-11-10 21:54:05,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-10 21:54:05,828 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:54:05,828 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 21:54:05,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 21:54:05,828 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 21:54:05,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:54:05,829 INFO L85 PathProgramCache]: Analyzing trace with hash 396607483, now seen corresponding path program 1 times [2024-11-10 21:54:05,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:54:05,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807370962] [2024-11-10 21:54:05,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:54:05,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:54:05,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:06,062 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 21:54:06,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:54:06,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807370962] [2024-11-10 21:54:06,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807370962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:54:06,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:54:06,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 21:54:06,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326653472] [2024-11-10 21:54:06,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:54:06,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 21:54:06,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:54:06,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 21:54:06,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 21:54:06,066 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 21:54:06,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:54:06,164 INFO L93 Difference]: Finished difference Result 472 states and 648 transitions. [2024-11-10 21:54:06,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 21:54:06,164 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 21:54:06,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:54:06,165 INFO L225 Difference]: With dead ends: 472 [2024-11-10 21:54:06,165 INFO L226 Difference]: Without dead ends: 233 [2024-11-10 21:54:06,166 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 21:54:06,167 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 21:54:06,167 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 21:54:06,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2024-11-10 21:54:06,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2024-11-10 21:54:06,171 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 21:54:06,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 314 transitions. [2024-11-10 21:54:06,172 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 314 transitions. Word has length 83 [2024-11-10 21:54:06,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:54:06,173 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 314 transitions. [2024-11-10 21:54:06,173 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 21:54:06,173 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 314 transitions. [2024-11-10 21:54:06,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-10 21:54:06,175 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:54:06,175 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 21:54:06,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 21:54:06,175 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 21:54:06,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:54:06,176 INFO L85 PathProgramCache]: Analyzing trace with hash -989336236, now seen corresponding path program 1 times [2024-11-10 21:54:06,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:54:06,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022506559] [2024-11-10 21:54:06,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:54:06,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:54:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:06,326 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 21:54:06,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:54:06,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022506559] [2024-11-10 21:54:06,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022506559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:54:06,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:54:06,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 21:54:06,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413415613] [2024-11-10 21:54:06,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:54:06,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 21:54:06,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:54:06,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 21:54:06,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 21:54:06,330 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 21:54:06,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:54:06,417 INFO L93 Difference]: Finished difference Result 593 states and 815 transitions. [2024-11-10 21:54:06,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 21:54:06,418 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 21:54:06,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:54:06,420 INFO L225 Difference]: With dead ends: 593 [2024-11-10 21:54:06,420 INFO L226 Difference]: Without dead ends: 368 [2024-11-10 21:54:06,420 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 21:54:06,421 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 21:54:06,421 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 21:54:06,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-10 21:54:06,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2024-11-10 21:54:06,430 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 21:54:06,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 508 transitions. [2024-11-10 21:54:06,432 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 508 transitions. Word has length 83 [2024-11-10 21:54:06,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:54:06,432 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 508 transitions. [2024-11-10 21:54:06,432 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 21:54:06,432 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 508 transitions. [2024-11-10 21:54:06,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-10 21:54:06,434 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:54:06,435 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 21:54:06,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 21:54:06,435 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 21:54:06,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:54:06,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1555462665, now seen corresponding path program 1 times [2024-11-10 21:54:06,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:54:06,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346601737] [2024-11-10 21:54:06,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:54:06,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:54:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:06,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 21:54:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:06,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 21:54:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:06,658 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 21:54:06,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:54:06,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346601737] [2024-11-10 21:54:06,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346601737] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:54:06,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:54:06,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 21:54:06,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958042470] [2024-11-10 21:54:06,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:54:06,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 21:54:06,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:54:06,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 21:54:06,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 21:54:06,663 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 21:54:06,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:54:06,904 INFO L93 Difference]: Finished difference Result 439 states and 605 transitions. [2024-11-10 21:54:06,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 21:54:06,905 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 21:54:06,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:54:06,908 INFO L225 Difference]: With dead ends: 439 [2024-11-10 21:54:06,909 INFO L226 Difference]: Without dead ends: 437 [2024-11-10 21:54:06,910 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 21:54:06,911 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 21:54:06,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 1145 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 21:54:06,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2024-11-10 21:54:06,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 433. [2024-11-10 21:54:06,923 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 21:54:06,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 593 transitions. [2024-11-10 21:54:06,924 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 593 transitions. Word has length 98 [2024-11-10 21:54:06,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:54:06,926 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 593 transitions. [2024-11-10 21:54:06,926 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 21:54:06,926 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 593 transitions. [2024-11-10 21:54:06,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-10 21:54:06,927 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:54:06,927 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 21:54:06,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 21:54:06,927 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 21:54:06,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:54:06,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1945571615, now seen corresponding path program 1 times [2024-11-10 21:54:06,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:54:06,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234649332] [2024-11-10 21:54:06,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:54:06,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:54:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:07,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 21:54:07,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:07,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 21:54:07,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:07,380 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 21:54:07,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:54:07,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234649332] [2024-11-10 21:54:07,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234649332] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 21:54:07,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895291533] [2024-11-10 21:54:07,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:54:07,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:54:07,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:54:07,390 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 21:54:07,394 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 21:54:07,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:07,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 21:54:07,616 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:54:07,852 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 21:54:07,852 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 21:54:08,027 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 21:54:08,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [895291533] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 21:54:08,028 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 21:54:08,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-11-10 21:54:08,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103613753] [2024-11-10 21:54:08,028 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 21:54:08,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 21:54:08,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:54:08,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 21:54:08,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-10 21:54:08,030 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 21:54:08,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:54:08,421 INFO L93 Difference]: Finished difference Result 885 states and 1231 transitions. [2024-11-10 21:54:08,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 21:54:08,422 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 21:54:08,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:54:08,425 INFO L225 Difference]: With dead ends: 885 [2024-11-10 21:54:08,425 INFO L226 Difference]: Without dead ends: 884 [2024-11-10 21:54:08,426 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 21:54:08,426 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 21:54:08,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [846 Valid, 2567 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 21:54:08,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2024-11-10 21:54:08,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 857. [2024-11-10 21:54:08,439 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 21:54:08,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1186 transitions. [2024-11-10 21:54:08,442 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1186 transitions. Word has length 105 [2024-11-10 21:54:08,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:54:08,442 INFO L471 AbstractCegarLoop]: Abstraction has 857 states and 1186 transitions. [2024-11-10 21:54:08,442 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 21:54:08,442 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1186 transitions. [2024-11-10 21:54:08,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-10 21:54:08,444 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:54:08,444 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 21:54:08,462 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 21:54:08,644 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 21:54:08,645 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 21:54:08,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:54:08,646 INFO L85 PathProgramCache]: Analyzing trace with hash 170556908, now seen corresponding path program 1 times [2024-11-10 21:54:08,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:54:08,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879147213] [2024-11-10 21:54:08,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:54:08,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:54:08,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:08,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 21:54:08,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:08,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 21:54:08,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:08,811 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 21:54:08,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:54:08,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879147213] [2024-11-10 21:54:08,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879147213] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 21:54:08,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1430379511] [2024-11-10 21:54:08,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:54:08,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:54:08,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:54:08,817 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 21:54:08,825 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 21:54:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:09,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 21:54:09,084 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:54:09,203 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 21:54:09,203 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 21:54:09,335 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 21:54:09,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1430379511] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 21:54:09,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 21:54:09,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2024-11-10 21:54:09,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295065250] [2024-11-10 21:54:09,336 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 21:54:09,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 21:54:09,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:54:09,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 21:54:09,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-10 21:54:09,337 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 21:54:09,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:54:09,672 INFO L93 Difference]: Finished difference Result 870 states and 1209 transitions. [2024-11-10 21:54:09,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 21:54:09,672 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 21:54:09,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:54:09,675 INFO L225 Difference]: With dead ends: 870 [2024-11-10 21:54:09,676 INFO L226 Difference]: Without dead ends: 861 [2024-11-10 21:54:09,676 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 21:54:09,676 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 21:54:09,677 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 21:54:09,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2024-11-10 21:54:09,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 857. [2024-11-10 21:54:09,692 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 21:54:09,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1183 transitions. [2024-11-10 21:54:09,695 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1183 transitions. Word has length 106 [2024-11-10 21:54:09,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:54:09,696 INFO L471 AbstractCegarLoop]: Abstraction has 857 states and 1183 transitions. [2024-11-10 21:54:09,696 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 21:54:09,696 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1183 transitions. [2024-11-10 21:54:09,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-10 21:54:09,697 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:54:09,697 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 21:54:09,714 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 21:54:09,897 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 21:54:09,898 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 21:54:09,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:54:09,898 INFO L85 PathProgramCache]: Analyzing trace with hash 183178321, now seen corresponding path program 1 times [2024-11-10 21:54:09,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:54:09,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589772609] [2024-11-10 21:54:09,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:54:09,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:54:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:10,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 21:54:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:10,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 21:54:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:10,329 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 21:54:10,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:54:10,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589772609] [2024-11-10 21:54:10,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589772609] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 21:54:10,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [962829472] [2024-11-10 21:54:10,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:54:10,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:54:10,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:54:10,333 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 21:54:10,337 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 21:54:10,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:10,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 21:54:10,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:54:10,699 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 21:54:10,700 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 21:54:10,821 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 21:54:10,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [962829472] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 21:54:10,821 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 21:54:10,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-11-10 21:54:10,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840612347] [2024-11-10 21:54:10,822 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 21:54:10,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 21:54:10,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:54:10,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 21:54:10,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-10 21:54:10,823 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 21:54:11,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:54:11,247 INFO L93 Difference]: Finished difference Result 872 states and 1209 transitions. [2024-11-10 21:54:11,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 21:54:11,248 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 21:54:11,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:54:11,253 INFO L225 Difference]: With dead ends: 872 [2024-11-10 21:54:11,253 INFO L226 Difference]: Without dead ends: 871 [2024-11-10 21:54:11,253 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 21:54:11,254 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, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 21:54:11,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [827 Valid, 2340 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 21:54:11,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2024-11-10 21:54:11,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 858. [2024-11-10 21:54:11,266 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 21:54:11,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1182 transitions. [2024-11-10 21:54:11,268 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1182 transitions. Word has length 106 [2024-11-10 21:54:11,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:54:11,268 INFO L471 AbstractCegarLoop]: Abstraction has 858 states and 1182 transitions. [2024-11-10 21:54:11,268 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 21:54:11,268 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1182 transitions. [2024-11-10 21:54:11,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-10 21:54:11,269 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:54:11,270 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 21:54:11,283 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 21:54:11,470 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 21:54:11,471 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 21:54:11,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:54:11,471 INFO L85 PathProgramCache]: Analyzing trace with hash -409389633, now seen corresponding path program 1 times [2024-11-10 21:54:11,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:54:11,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917465585] [2024-11-10 21:54:11,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:54:11,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:54:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:11,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 21:54:11,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:11,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 21:54:11,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:11,740 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 21:54:11,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:54:11,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917465585] [2024-11-10 21:54:11,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917465585] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 21:54:11,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386964487] [2024-11-10 21:54:11,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:54:11,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:54:11,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:54:11,742 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 21:54:11,743 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 21:54:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:12,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 21:54:12,254 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:54:12,445 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 21:54:12,445 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 21:54:12,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [386964487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:54:12,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 21:54:12,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-11-10 21:54:12,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644326075] [2024-11-10 21:54:12,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:54:12,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 21:54:12,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:54:12,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 21:54:12,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-10 21:54:12,449 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 21:54:12,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:54:12,574 INFO L93 Difference]: Finished difference Result 858 states and 1182 transitions. [2024-11-10 21:54:12,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 21:54:12,575 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 21:54:12,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:54:12,578 INFO L225 Difference]: With dead ends: 858 [2024-11-10 21:54:12,579 INFO L226 Difference]: Without dead ends: 857 [2024-11-10 21:54:12,579 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 21:54:12,580 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 21:54:12,580 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 21:54:12,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2024-11-10 21:54:12,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 857. [2024-11-10 21:54:12,595 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 21:54:12,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1179 transitions. [2024-11-10 21:54:12,599 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1179 transitions. Word has length 181 [2024-11-10 21:54:12,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:54:12,600 INFO L471 AbstractCegarLoop]: Abstraction has 857 states and 1179 transitions. [2024-11-10 21:54:12,600 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 21:54:12,600 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1179 transitions. [2024-11-10 21:54:12,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2024-11-10 21:54:12,602 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:54:12,602 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 21:54:12,620 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 21:54:12,803 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 21:54:12,803 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 21:54:12,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:54:12,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1777155619, now seen corresponding path program 1 times [2024-11-10 21:54:12,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:54:12,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655407305] [2024-11-10 21:54:12,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:54:12,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:54:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:13,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 21:54:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:13,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 21:54:13,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:13,148 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 21:54:13,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:54:13,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655407305] [2024-11-10 21:54:13,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655407305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:54:13,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:54:13,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 21:54:13,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232490369] [2024-11-10 21:54:13,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:54:13,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 21:54:13,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:54:13,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 21:54:13,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 21:54:13,150 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 21:54:13,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:54:13,380 INFO L93 Difference]: Finished difference Result 860 states and 1194 transitions. [2024-11-10 21:54:13,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 21:54:13,380 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 21:54:13,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:54:13,383 INFO L225 Difference]: With dead ends: 860 [2024-11-10 21:54:13,383 INFO L226 Difference]: Without dead ends: 859 [2024-11-10 21:54:13,384 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 21:54:13,385 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 21:54:13,385 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 21:54:13,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2024-11-10 21:54:13,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 856. [2024-11-10 21:54:13,407 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 21:54:13,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1177 transitions. [2024-11-10 21:54:13,410 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1177 transitions. Word has length 265 [2024-11-10 21:54:13,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:54:13,411 INFO L471 AbstractCegarLoop]: Abstraction has 856 states and 1177 transitions. [2024-11-10 21:54:13,411 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 21:54:13,411 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1177 transitions. [2024-11-10 21:54:13,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-11-10 21:54:13,414 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:54:13,414 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 21:54:13,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 21:54:13,415 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 21:54:13,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:54:13,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1497684204, now seen corresponding path program 1 times [2024-11-10 21:54:13,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:54:13,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487034743] [2024-11-10 21:54:13,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:54:13,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:54:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:13,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 21:54:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:13,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 21:54:13,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:13,982 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 21:54:13,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:54:13,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487034743] [2024-11-10 21:54:13,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487034743] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 21:54:13,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1530301767] [2024-11-10 21:54:13,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:54:13,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:54:13,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:54:13,984 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 21:54:13,988 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 21:54:14,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:14,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 1314 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 21:54:14,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:54:14,610 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 21:54:14,611 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 21:54:14,895 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 21:54:14,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1530301767] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 21:54:14,895 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 21:54:14,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 19 [2024-11-10 21:54:14,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791779535] [2024-11-10 21:54:14,896 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 21:54:14,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-10 21:54:14,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:54:14,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-10 21:54:14,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2024-11-10 21:54:14,898 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 21:54:15,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:54:15,436 INFO L93 Difference]: Finished difference Result 1494 states and 2079 transitions. [2024-11-10 21:54:15,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 21:54:15,437 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 21:54:15,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:54:15,443 INFO L225 Difference]: With dead ends: 1494 [2024-11-10 21:54:15,443 INFO L226 Difference]: Without dead ends: 1486 [2024-11-10 21:54:15,443 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 21:54:15,444 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, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 21:54:15,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2127 Valid, 2768 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 21:54:15,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1486 states. [2024-11-10 21:54:15,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1486 to 1479. [2024-11-10 21:54:15,466 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 21:54:15,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 1479 states and 2043 transitions. [2024-11-10 21:54:15,470 INFO L78 Accepts]: Start accepts. Automaton has 1479 states and 2043 transitions. Word has length 272 [2024-11-10 21:54:15,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:54:15,470 INFO L471 AbstractCegarLoop]: Abstraction has 1479 states and 2043 transitions. [2024-11-10 21:54:15,471 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 21:54:15,471 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 2043 transitions. [2024-11-10 21:54:15,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2024-11-10 21:54:15,474 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:54:15,474 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 21:54:15,494 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 21:54:15,674 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 21:54:15,675 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 21:54:15,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:54:15,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1365322583, now seen corresponding path program 1 times [2024-11-10 21:54:15,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:54:15,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774789533] [2024-11-10 21:54:15,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:54:15,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:54:15,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:18,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 21:54:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:18,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 21:54:18,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:18,036 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 21:54:18,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:54:18,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774789533] [2024-11-10 21:54:18,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774789533] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 21:54:18,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446684417] [2024-11-10 21:54:18,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:54:18,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:54:18,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:54:18,040 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 21:54:18,046 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 21:54:18,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:18,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 1724 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-10 21:54:18,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:54:19,033 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 21:54:19,033 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 21:54:19,494 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 21:54:19,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446684417] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 21:54:19,495 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 21:54:19,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 28 [2024-11-10 21:54:19,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842209457] [2024-11-10 21:54:19,495 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 21:54:19,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-10 21:54:19,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:54:19,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-10 21:54:19,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=552, Unknown=0, NotChecked=0, Total=812 [2024-11-10 21:54:19,498 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 21:54:20,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:54:20,328 INFO L93 Difference]: Finished difference Result 2133 states and 2983 transitions. [2024-11-10 21:54:20,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-10 21:54:20,328 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 21:54:20,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:54:20,335 INFO L225 Difference]: With dead ends: 2133 [2024-11-10 21:54:20,335 INFO L226 Difference]: Without dead ends: 2132 [2024-11-10 21:54:20,337 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 21:54:20,338 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 21:54:20,338 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 21:54:20,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2132 states. [2024-11-10 21:54:20,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2132 to 2109. [2024-11-10 21:54:20,369 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 21:54:20,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 2109 states and 2917 transitions. [2024-11-10 21:54:20,374 INFO L78 Accepts]: Start accepts. Automaton has 2109 states and 2917 transitions. Word has length 354 [2024-11-10 21:54:20,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:54:20,374 INFO L471 AbstractCegarLoop]: Abstraction has 2109 states and 2917 transitions. [2024-11-10 21:54:20,374 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 21:54:20,374 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 2917 transitions. [2024-11-10 21:54:20,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2024-11-10 21:54:20,379 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:54:20,379 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 21:54:20,396 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 21:54:20,582 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 21:54:20,583 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 21:54:20,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:54:20,584 INFO L85 PathProgramCache]: Analyzing trace with hash -624672487, now seen corresponding path program 1 times [2024-11-10 21:54:20,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:54:20,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388093540] [2024-11-10 21:54:20,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:54:20,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:54:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:22,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 21:54:22,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:22,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 21:54:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:22,787 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 21:54:22,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:54:22,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388093540] [2024-11-10 21:54:22,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388093540] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 21:54:22,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083947585] [2024-11-10 21:54:22,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:54:22,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:54:22,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:54:22,789 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 21:54:22,791 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 21:54:23,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:23,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 1725 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-10 21:54:23,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:54:23,760 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 21:54:23,760 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 21:54:24,155 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 21:54:24,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1083947585] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 21:54:24,156 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 21:54:24,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 28 [2024-11-10 21:54:24,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009534748] [2024-11-10 21:54:24,156 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 21:54:24,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-10 21:54:24,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:54:24,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-10 21:54:24,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=552, Unknown=0, NotChecked=0, Total=812 [2024-11-10 21:54:24,159 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 21:54:24,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:54:24,978 INFO L93 Difference]: Finished difference Result 2133 states and 2977 transitions. [2024-11-10 21:54:24,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-10 21:54:24,979 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 21:54:24,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:54:24,986 INFO L225 Difference]: With dead ends: 2133 [2024-11-10 21:54:24,986 INFO L226 Difference]: Without dead ends: 2132 [2024-11-10 21:54:24,987 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 21:54:24,987 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 21:54:24,987 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 21:54:24,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2132 states. [2024-11-10 21:54:25,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2132 to 2110. [2024-11-10 21:54:25,019 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 21:54:25,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2110 states to 2110 states and 2913 transitions. [2024-11-10 21:54:25,022 INFO L78 Accepts]: Start accepts. Automaton has 2110 states and 2913 transitions. Word has length 355 [2024-11-10 21:54:25,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:54:25,023 INFO L471 AbstractCegarLoop]: Abstraction has 2110 states and 2913 transitions. [2024-11-10 21:54:25,023 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 21:54:25,023 INFO L276 IsEmpty]: Start isEmpty. Operand 2110 states and 2913 transitions. [2024-11-10 21:54:25,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 605 [2024-11-10 21:54:25,031 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:54:25,031 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 21:54:25,049 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 21:54:25,234 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 21:54:25,235 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 21:54:25,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:54:25,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1111175444, now seen corresponding path program 2 times [2024-11-10 21:54:25,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:54:25,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297323866] [2024-11-10 21:54:25,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:54:25,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:54:25,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:26,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 21:54:26,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:26,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 21:54:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:26,736 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 21:54:26,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:54:26,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297323866] [2024-11-10 21:54:26,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297323866] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 21:54:26,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [480589805] [2024-11-10 21:54:26,737 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 21:54:26,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:54:26,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:54:26,739 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 21:54:26,740 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 21:54:27,505 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 21:54:27,505 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 21:54:27,521 INFO L255 TraceCheckSpWp]: Trace formula consists of 2830 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 21:54:27,535 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:54:28,035 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 21:54:28,035 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 21:54:28,618 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 21:54:28,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [480589805] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 21:54:28,618 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 21:54:28,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 24 [2024-11-10 21:54:28,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191597481] [2024-11-10 21:54:28,619 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 21:54:28,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-10 21:54:28,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:54:28,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-10 21:54:28,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2024-11-10 21:54:28,622 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 21:54:29,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:54:29,303 INFO L93 Difference]: Finished difference Result 2121 states and 2954 transitions. [2024-11-10 21:54:29,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-10 21:54:29,304 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 21:54:29,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:54:29,311 INFO L225 Difference]: With dead ends: 2121 [2024-11-10 21:54:29,311 INFO L226 Difference]: Without dead ends: 2113 [2024-11-10 21:54:29,312 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1227 GetRequests, 1194 SyntacticMatches, 11 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2024-11-10 21:54:29,313 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 21:54:29,313 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 21:54:29,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2113 states. [2024-11-10 21:54:29,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2113 to 2110. [2024-11-10 21:54:29,344 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 21:54:29,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2110 states to 2110 states and 2910 transitions. [2024-11-10 21:54:29,349 INFO L78 Accepts]: Start accepts. Automaton has 2110 states and 2910 transitions. Word has length 604 [2024-11-10 21:54:29,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:54:29,350 INFO L471 AbstractCegarLoop]: Abstraction has 2110 states and 2910 transitions. [2024-11-10 21:54:29,350 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 21:54:29,350 INFO L276 IsEmpty]: Start isEmpty. Operand 2110 states and 2910 transitions. [2024-11-10 21:54:29,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 853 [2024-11-10 21:54:29,358 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:54:29,358 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 21:54:29,382 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-10 21:54:29,558 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 21:54:29,559 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 21:54:29,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:54:29,559 INFO L85 PathProgramCache]: Analyzing trace with hash 2092727383, now seen corresponding path program 2 times [2024-11-10 21:54:29,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:54:29,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101188177] [2024-11-10 21:54:29,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:54:29,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:54:29,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:32,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 21:54:32,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:32,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 21:54:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:54:32,638 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 21:54:32,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:54:32,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101188177] [2024-11-10 21:54:32,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101188177] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 21:54:32,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358987257] [2024-11-10 21:54:32,638 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 21:54:32,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:54:32,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:54:32,642 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 21:54:32,643 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 21:54:33,776 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 21:54:33,777 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 21:54:33,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 3998 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-10 21:54:33,802 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:54:34,517 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 21:54:34,517 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 21:54:34,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [358987257] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:54:34,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 21:54:34,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [24] total 26 [2024-11-10 21:54:34,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53163052] [2024-11-10 21:54:34,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:54:34,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-10 21:54:34,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:54:34,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-10 21:54:34,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=499, Unknown=0, NotChecked=0, Total=650 [2024-11-10 21:54:34,520 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 21:54:35,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:54:35,158 INFO L93 Difference]: Finished difference Result 2327 states and 3208 transitions. [2024-11-10 21:54:35,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-10 21:54:35,159 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 21:54:35,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:54:35,166 INFO L225 Difference]: With dead ends: 2327 [2024-11-10 21:54:35,166 INFO L226 Difference]: Without dead ends: 2104 [2024-11-10 21:54:35,167 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 878 GetRequests, 854 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=151, Invalid=499, Unknown=0, NotChecked=0, Total=650 [2024-11-10 21:54:35,167 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 21:54:35,167 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 21:54:35,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2104 states. [2024-11-10 21:54:35,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2104 to 2104. [2024-11-10 21:54:35,194 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 21:54:35,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2104 states to 2104 states and 2903 transitions. [2024-11-10 21:54:35,196 INFO L78 Accepts]: Start accepts. Automaton has 2104 states and 2903 transitions. Word has length 852 [2024-11-10 21:54:35,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:54:35,197 INFO L471 AbstractCegarLoop]: Abstraction has 2104 states and 2903 transitions. [2024-11-10 21:54:35,197 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 21:54:35,198 INFO L276 IsEmpty]: Start isEmpty. Operand 2104 states and 2903 transitions. [2024-11-10 21:54:35,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 854 [2024-11-10 21:54:35,203 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:54:35,203 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 21:54:35,225 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 21:54:35,407 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 21:54:35,407 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 21:54:35,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:54:35,408 INFO L85 PathProgramCache]: Analyzing trace with hash 437418420, now seen corresponding path program 3 times [2024-11-10 21:54:35,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:54:35,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729084431] [2024-11-10 21:54:35,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:54:35,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms