./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc 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_SFH_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.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:42:39,084 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:42:39,174 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 13:42:39,182 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:42:39,185 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:42:39,218 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:42:39,220 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:42:39,221 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:42:39,221 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:42:39,222 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:42:39,222 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:42:39,223 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:42:39,223 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:42:39,226 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:42:39,226 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:42:39,227 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:42:39,227 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:42:39,227 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 13:42:39,228 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 13:42:39,228 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 13:42:39,228 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:42:39,232 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:42:39,232 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:42:39,233 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:42:39,233 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:42:39,233 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:42:39,234 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:42:39,234 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 13:42:39,234 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:42:39,234 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:42:39,235 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:42:39,235 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:42:39,237 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:42:39,238 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:42:39,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:42:39,238 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:42:39,238 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:42:39,238 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:42:39,239 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 13:42:39,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 13:42:39,239 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:42:39,240 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:42:39,241 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:42:39,241 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:42:39,241 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 [2024-11-19 13:42:39,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:42:39,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:42:39,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:42:39,531 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:42:39,533 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:42:39,535 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test1-2.i [2024-11-19 13:42:41,009 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:42:41,337 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:42:41,338 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test1-2.i [2024-11-19 13:42:41,353 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bec95c621/190349e96e1146b2924a4e2d030681a7/FLAG9c7ec25fb [2024-11-19 13:42:41,364 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bec95c621/190349e96e1146b2924a4e2d030681a7 [2024-11-19 13:42:41,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:42:41,367 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:42:41,368 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:42:41,368 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:42:41,373 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:42:41,374 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:42:41" (1/1) ... [2024-11-19 13:42:41,375 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76221e15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:42:41, skipping insertion in model container [2024-11-19 13:42:41,375 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:42:41" (1/1) ... [2024-11-19 13:42:41,425 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:42:41,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:42:41,910 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:42:42,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:42:42,058 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:42:42,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:42:42 WrapperNode [2024-11-19 13:42:42,059 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:42:42,060 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:42:42,060 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:42:42,061 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:42:42,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:42:42" (1/1) ... [2024-11-19 13:42:42,099 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:42:42" (1/1) ... [2024-11-19 13:42:42,160 INFO L138 Inliner]: procedures = 176, calls = 221, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 971 [2024-11-19 13:42:42,161 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:42:42,161 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:42:42,161 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:42:42,161 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:42:42,193 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:42:42" (1/1) ... [2024-11-19 13:42:42,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:42:42" (1/1) ... [2024-11-19 13:42:42,207 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:42:42" (1/1) ... [2024-11-19 13:42:42,303 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]. [2024-11-19 13:42:42,303 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:42:42" (1/1) ... [2024-11-19 13:42:42,304 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:42:42" (1/1) ... [2024-11-19 13:42:42,344 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:42:42" (1/1) ... [2024-11-19 13:42:42,357 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:42:42" (1/1) ... [2024-11-19 13:42:42,364 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:42:42" (1/1) ... [2024-11-19 13:42:42,379 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:42:42" (1/1) ... [2024-11-19 13:42:42,390 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:42:42,391 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:42:42,392 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:42:42,392 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:42:42,393 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:42:42" (1/1) ... [2024-11-19 13:42:42,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:42:42,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:42:42,426 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) [2024-11-19 13:42:42,428 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 [2024-11-19 13:42:42,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 13:42:42,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 13:42:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 13:42:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 13:42:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-19 13:42:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-19 13:42:42,472 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-19 13:42:42,472 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-19 13:42:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 13:42:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:42:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 13:42:42,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 13:42:42,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 13:42:42,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 13:42:42,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 13:42:42,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 13:42:42,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 13:42:42,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:42:42,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:42:42,654 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:42:42,655 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:42:43,649 INFO L? ?]: Removed 230 outVars from TransFormulas that were not future-live. [2024-11-19 13:42:43,650 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:42:43,674 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:42:43,675 INFO L316 CfgBuilder]: Removed 40 assume(true) statements. [2024-11-19 13:42:43,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:42:43 BoogieIcfgContainer [2024-11-19 13:42:43,675 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:42:43,679 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:42:43,680 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:42:43,683 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:42:43,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:42:41" (1/3) ... [2024-11-19 13:42:43,684 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5df9d838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:42:43, skipping insertion in model container [2024-11-19 13:42:43,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:42:42" (2/3) ... [2024-11-19 13:42:43,684 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5df9d838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:42:43, skipping insertion in model container [2024-11-19 13:42:43,685 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:42:43" (3/3) ... [2024-11-19 13:42:43,686 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_nondet_test1-2.i [2024-11-19 13:42:43,702 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:42:43,702 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-19 13:42:43,769 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:42:43,775 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;@5da74fa2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:42:43,775 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-19 13:42:43,780 INFO L276 IsEmpty]: Start isEmpty. Operand has 258 states, 247 states have (on average 1.6153846153846154) internal successors, (399), 253 states have internal predecessors, (399), 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) [2024-11-19 13:42:43,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-19 13:42:43,786 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:42:43,786 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-19 13:42:43,787 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 13:42:43,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:42:43,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1363672333, now seen corresponding path program 1 times [2024-11-19 13:42:43,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:42:43,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162566329] [2024-11-19 13:42:43,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:42:43,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:42:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:42:43,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:42:44,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:42:44,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162566329] [2024-11-19 13:42:44,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162566329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:42:44,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:42:44,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:42:44,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754499819] [2024-11-19 13:42:44,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:42:44,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 13:42:44,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:42:44,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 13:42:44,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:42:44,039 INFO L87 Difference]: Start difference. First operand has 258 states, 247 states have (on average 1.6153846153846154) internal successors, (399), 253 states have internal predecessors, (399), 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 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:42:44,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:42:44,143 INFO L93 Difference]: Finished difference Result 711 states and 1127 transitions. [2024-11-19 13:42:44,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 13:42:44,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-19 13:42:44,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:42:44,190 INFO L225 Difference]: With dead ends: 711 [2024-11-19 13:42:44,194 INFO L226 Difference]: Without dead ends: 413 [2024-11-19 13:42:44,202 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 [2024-11-19 13:42:44,208 INFO L432 NwaCegarLoop]: 398 mSDtfsCounter, 278 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:42:44,210 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 749 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:42:44,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-11-19 13:42:44,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 216. [2024-11-19 13:42:44,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 206 states have (on average 1.4466019417475728) internal successors, (298), 211 states have internal predecessors, (298), 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) [2024-11-19 13:42:44,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 304 transitions. [2024-11-19 13:42:44,330 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 304 transitions. Word has length 6 [2024-11-19 13:42:44,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:42:44,331 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 304 transitions. [2024-11-19 13:42:44,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:42:44,331 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 304 transitions. [2024-11-19 13:42:44,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-19 13:42:44,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:42:44,332 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-19 13:42:44,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 13:42:44,332 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 13:42:44,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:42:44,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1362998889, now seen corresponding path program 1 times [2024-11-19 13:42:44,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:42:44,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269476564] [2024-11-19 13:42:44,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:42:44,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:42:44,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:42:44,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:42:44,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:42:44,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269476564] [2024-11-19 13:42:44,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269476564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:42:44,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:42:44,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:42:44,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982654121] [2024-11-19 13:42:44,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:42:44,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:42:44,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:42:44,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:42:44,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:42:44,537 INFO L87 Difference]: Start difference. First operand 216 states and 304 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:42:44,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:42:44,580 INFO L93 Difference]: Finished difference Result 221 states and 310 transitions. [2024-11-19 13:42:44,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:42:44,583 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-19 13:42:44,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:42:44,585 INFO L225 Difference]: With dead ends: 221 [2024-11-19 13:42:44,585 INFO L226 Difference]: Without dead ends: 220 [2024-11-19 13:42:44,586 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 [2024-11-19 13:42:44,588 INFO L432 NwaCegarLoop]: 300 mSDtfsCounter, 2 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:42:44,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 596 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:42:44,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-11-19 13:42:44,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 219. [2024-11-19 13:42:44,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 209 states have (on average 1.4401913875598087) internal successors, (301), 214 states have internal predecessors, (301), 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) [2024-11-19 13:42:44,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 307 transitions. [2024-11-19 13:42:44,607 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 307 transitions. Word has length 6 [2024-11-19 13:42:44,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:42:44,607 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 307 transitions. [2024-11-19 13:42:44,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:42:44,608 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 307 transitions. [2024-11-19 13:42:44,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-19 13:42:44,608 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:42:44,608 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:42:44,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 13:42:44,608 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)] === [2024-11-19 13:42:44,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:42:44,609 INFO L85 PathProgramCache]: Analyzing trace with hash -696707334, now seen corresponding path program 1 times [2024-11-19 13:42:44,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:42:44,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546360500] [2024-11-19 13:42:44,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:42:44,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:42:44,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:42:44,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:42:44,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:42:44,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546360500] [2024-11-19 13:42:44,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546360500] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:42:44,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:42:44,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:42:44,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084751849] [2024-11-19 13:42:44,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:42:44,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:42:44,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:42:44,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:42:44,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:42:44,754 INFO L87 Difference]: Start difference. First operand 219 states and 307 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) [2024-11-19 13:42:44,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:42:44,787 INFO L93 Difference]: Finished difference Result 221 states and 309 transitions. [2024-11-19 13:42:44,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:42:44,791 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 [2024-11-19 13:42:44,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:42:44,792 INFO L225 Difference]: With dead ends: 221 [2024-11-19 13:42:44,792 INFO L226 Difference]: Without dead ends: 220 [2024-11-19 13:42:44,792 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 [2024-11-19 13:42:44,793 INFO L432 NwaCegarLoop]: 301 mSDtfsCounter, 0 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:42:44,794 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 597 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:42:44,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-11-19 13:42:44,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2024-11-19 13:42:44,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 210 states have (on average 1.438095238095238) internal successors, (302), 215 states have internal predecessors, (302), 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) [2024-11-19 13:42:44,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 308 transitions. [2024-11-19 13:42:44,804 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 308 transitions. Word has length 7 [2024-11-19 13:42:44,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:42:44,804 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 308 transitions. [2024-11-19 13:42:44,805 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) [2024-11-19 13:42:44,805 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 308 transitions. [2024-11-19 13:42:44,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-19 13:42:44,807 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:42:44,808 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] [2024-11-19 13:42:44,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 13:42:44,808 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 13:42:44,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:42:44,809 INFO L85 PathProgramCache]: Analyzing trace with hash 34814661, now seen corresponding path program 1 times [2024-11-19 13:42:44,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:42:44,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128796379] [2024-11-19 13:42:44,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:42:44,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:42:44,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:42:45,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:42:45,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:42:45,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128796379] [2024-11-19 13:42:45,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128796379] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:42:45,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:42:45,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 13:42:45,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751787803] [2024-11-19 13:42:45,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:42:45,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 13:42:45,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:42:45,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 13:42:45,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:42:45,171 INFO L87 Difference]: Start difference. First operand 220 states and 308 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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) [2024-11-19 13:42:45,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:42:45,261 INFO L93 Difference]: Finished difference Result 436 states and 612 transitions. [2024-11-19 13:42:45,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:42:45,262 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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 80 [2024-11-19 13:42:45,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:42:45,263 INFO L225 Difference]: With dead ends: 436 [2024-11-19 13:42:45,263 INFO L226 Difference]: Without dead ends: 223 [2024-11-19 13:42:45,264 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:42:45,266 INFO L432 NwaCegarLoop]: 275 mSDtfsCounter, 102 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:42:45,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 806 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:42:45,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-19 13:42:45,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 220. [2024-11-19 13:42:45,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 210 states have (on average 1.4047619047619047) internal successors, (295), 215 states have internal predecessors, (295), 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) [2024-11-19 13:42:45,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 301 transitions. [2024-11-19 13:42:45,300 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 301 transitions. Word has length 80 [2024-11-19 13:42:45,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:42:45,300 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 301 transitions. [2024-11-19 13:42:45,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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) [2024-11-19 13:42:45,301 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 301 transitions. [2024-11-19 13:42:45,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-19 13:42:45,303 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:42:45,303 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] [2024-11-19 13:42:45,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 13:42:45,304 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 13:42:45,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:42:45,304 INFO L85 PathProgramCache]: Analyzing trace with hash 603954361, now seen corresponding path program 1 times [2024-11-19 13:42:45,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:42:45,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777275345] [2024-11-19 13:42:45,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:42:45,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:42:45,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:42:45,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:42:45,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:42:45,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777275345] [2024-11-19 13:42:45,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777275345] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:42:45,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:42:45,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:42:45,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58544668] [2024-11-19 13:42:45,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:42:45,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 13:42:45,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:42:45,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 13:42:45,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:42:45,520 INFO L87 Difference]: Start difference. First operand 220 states and 301 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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) [2024-11-19 13:42:45,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:42:45,570 INFO L93 Difference]: Finished difference Result 439 states and 604 transitions. [2024-11-19 13:42:45,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 13:42:45,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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 80 [2024-11-19 13:42:45,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:42:45,572 INFO L225 Difference]: With dead ends: 439 [2024-11-19 13:42:45,572 INFO L226 Difference]: Without dead ends: 226 [2024-11-19 13:42:45,573 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 [2024-11-19 13:42:45,573 INFO L432 NwaCegarLoop]: 290 mSDtfsCounter, 1 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:42:45,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 558 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:42:45,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-11-19 13:42:45,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2024-11-19 13:42:45,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 216 states have (on average 1.3935185185185186) internal successors, (301), 221 states have internal predecessors, (301), 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) [2024-11-19 13:42:45,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 307 transitions. [2024-11-19 13:42:45,591 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 307 transitions. Word has length 80 [2024-11-19 13:42:45,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:42:45,591 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 307 transitions. [2024-11-19 13:42:45,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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) [2024-11-19 13:42:45,592 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 307 transitions. [2024-11-19 13:42:45,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-19 13:42:45,595 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:42:45,595 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] [2024-11-19 13:42:45,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 13:42:45,595 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 13:42:45,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:42:45,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1085034619, now seen corresponding path program 1 times [2024-11-19 13:42:45,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:42:45,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558041737] [2024-11-19 13:42:45,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:42:45,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:42:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:42:45,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:42:45,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:42:45,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558041737] [2024-11-19 13:42:45,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558041737] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:42:45,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:42:45,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:42:45,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180186401] [2024-11-19 13:42:45,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:42:45,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 13:42:45,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:42:45,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 13:42:45,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:42:45,743 INFO L87 Difference]: Start difference. First operand 226 states and 307 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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) [2024-11-19 13:42:45,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:42:45,787 INFO L93 Difference]: Finished difference Result 578 states and 800 transitions. [2024-11-19 13:42:45,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 13:42:45,789 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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 80 [2024-11-19 13:42:45,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:42:45,793 INFO L225 Difference]: With dead ends: 578 [2024-11-19 13:42:45,793 INFO L226 Difference]: Without dead ends: 359 [2024-11-19 13:42:45,793 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 [2024-11-19 13:42:45,794 INFO L432 NwaCegarLoop]: 295 mSDtfsCounter, 134 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:42:45,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 582 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:42:45,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-11-19 13:42:45,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2024-11-19 13:42:45,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 349 states have (on average 1.4126074498567336) internal successors, (493), 354 states have internal predecessors, (493), 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) [2024-11-19 13:42:45,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 499 transitions. [2024-11-19 13:42:45,812 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 499 transitions. Word has length 80 [2024-11-19 13:42:45,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:42:45,813 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 499 transitions. [2024-11-19 13:42:45,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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) [2024-11-19 13:42:45,813 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 499 transitions. [2024-11-19 13:42:45,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-19 13:42:45,815 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:42:45,815 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] [2024-11-19 13:42:45,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 13:42:45,816 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 13:42:45,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:42:45,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1857385142, now seen corresponding path program 1 times [2024-11-19 13:42:45,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:42:45,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335229011] [2024-11-19 13:42:45,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:42:45,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:42:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:42:46,055 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:42:46,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:42:46,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335229011] [2024-11-19 13:42:46,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335229011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:42:46,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:42:46,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:42:46,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309559717] [2024-11-19 13:42:46,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:42:46,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:42:46,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:42:46,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:42:46,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:42:46,058 INFO L87 Difference]: Start difference. First operand 359 states and 499 transitions. Second operand has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 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) [2024-11-19 13:42:46,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:42:46,096 INFO L93 Difference]: Finished difference Result 425 states and 585 transitions. [2024-11-19 13:42:46,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:42:46,097 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 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 95 [2024-11-19 13:42:46,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:42:46,101 INFO L225 Difference]: With dead ends: 425 [2024-11-19 13:42:46,101 INFO L226 Difference]: Without dead ends: 423 [2024-11-19 13:42:46,102 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:42:46,104 INFO L432 NwaCegarLoop]: 334 mSDtfsCounter, 186 mSDsluCounter, 620 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 954 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:42:46,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 954 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:42:46,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2024-11-19 13:42:46,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 423. [2024-11-19 13:42:46,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 410 states have (on average 1.3926829268292682) internal successors, (571), 415 states have internal predecessors, (571), 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) [2024-11-19 13:42:46,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 583 transitions. [2024-11-19 13:42:46,121 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 583 transitions. Word has length 95 [2024-11-19 13:42:46,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:42:46,122 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 583 transitions. [2024-11-19 13:42:46,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 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) [2024-11-19 13:42:46,122 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 583 transitions. [2024-11-19 13:42:46,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-19 13:42:46,126 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:42:46,126 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:42:46,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 13:42:46,127 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 13:42:46,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:42:46,127 INFO L85 PathProgramCache]: Analyzing trace with hash -227289380, now seen corresponding path program 1 times [2024-11-19 13:42:46,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:42:46,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162316616] [2024-11-19 13:42:46,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:42:46,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:42:46,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:42:46,452 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:42:46,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:42:46,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162316616] [2024-11-19 13:42:46,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162316616] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:42:46,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989711983] [2024-11-19 13:42:46,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:42:46,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:42:46,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:42:46,458 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) [2024-11-19 13:42:46,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 13:42:46,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:42:46,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 13:42:46,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:42:46,959 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:42:46,959 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 13:42:47,185 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:42:47,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989711983] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 13:42:47,188 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 13:42:47,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-19 13:42:47,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018389037] [2024-11-19 13:42:47,189 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 13:42:47,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:42:47,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:42:47,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:42:47,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:42:47,199 INFO L87 Difference]: Start difference. First operand 423 states and 583 transitions. Second operand has 10 states, 10 states have (on average 26.4) internal successors, (264), 10 states have internal predecessors, (264), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 13:42:47,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:42:47,304 INFO L93 Difference]: Finished difference Result 638 states and 881 transitions. [2024-11-19 13:42:47,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 13:42:47,305 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 26.4) internal successors, (264), 10 states have internal predecessors, (264), 3 states have call successors, (6), 1 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 100 [2024-11-19 13:42:47,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:42:47,310 INFO L225 Difference]: With dead ends: 638 [2024-11-19 13:42:47,310 INFO L226 Difference]: Without dead ends: 630 [2024-11-19 13:42:47,311 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:42:47,312 INFO L432 NwaCegarLoop]: 333 mSDtfsCounter, 917 mSDsluCounter, 1189 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 924 SdHoareTripleChecker+Valid, 1522 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:42:47,312 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [924 Valid, 1522 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:42:47,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2024-11-19 13:42:47,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 628. [2024-11-19 13:42:47,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 612 states have (on average 1.3937908496732025) internal successors, (853), 617 states have internal predecessors, (853), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-19 13:42:47,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 871 transitions. [2024-11-19 13:42:47,332 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 871 transitions. Word has length 100 [2024-11-19 13:42:47,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:42:47,334 INFO L471 AbstractCegarLoop]: Abstraction has 628 states and 871 transitions. [2024-11-19 13:42:47,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 26.4) internal successors, (264), 10 states have internal predecessors, (264), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 13:42:47,335 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 871 transitions. [2024-11-19 13:42:47,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-19 13:42:47,337 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:42:47,337 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 13:42:47,357 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 13:42:47,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:42:47,542 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 13:42:47,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:42:47,543 INFO L85 PathProgramCache]: Analyzing trace with hash -227962824, now seen corresponding path program 1 times [2024-11-19 13:42:47,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:42:47,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035965192] [2024-11-19 13:42:47,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:42:47,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:42:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:42:48,176 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:42:48,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:42:48,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035965192] [2024-11-19 13:42:48,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035965192] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:42:48,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367519720] [2024-11-19 13:42:48,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:42:48,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:42:48,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:42:48,181 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) [2024-11-19 13:42:48,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 13:42:48,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:42:48,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-19 13:42:48,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:42:48,694 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:42:48,694 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 13:42:48,876 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:42:48,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367519720] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 13:42:48,877 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 13:42:48,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-19 13:42:48,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955311293] [2024-11-19 13:42:48,877 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 13:42:48,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 13:42:48,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:42:48,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 13:42:48,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2024-11-19 13:42:48,879 INFO L87 Difference]: Start difference. First operand 628 states and 871 transitions. Second operand has 13 states, 12 states have (on average 15.833333333333334) internal successors, (190), 13 states have internal predecessors, (190), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 13:42:49,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:42:49,033 INFO L93 Difference]: Finished difference Result 844 states and 1172 transitions. [2024-11-19 13:42:49,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 13:42:49,034 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 15.833333333333334) internal successors, (190), 13 states have internal predecessors, (190), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 100 [2024-11-19 13:42:49,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:42:49,038 INFO L225 Difference]: With dead ends: 844 [2024-11-19 13:42:49,038 INFO L226 Difference]: Without dead ends: 843 [2024-11-19 13:42:49,039 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2024-11-19 13:42:49,041 INFO L432 NwaCegarLoop]: 332 mSDtfsCounter, 840 mSDsluCounter, 2417 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 845 SdHoareTripleChecker+Valid, 2749 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:42:49,041 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [845 Valid, 2749 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:42:49,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2024-11-19 13:42:49,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 835. [2024-11-19 13:42:49,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 835 states, 816 states have (on average 1.3933823529411764) internal successors, (1137), 821 states have internal predecessors, (1137), 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) [2024-11-19 13:42:49,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 1161 transitions. [2024-11-19 13:42:49,084 INFO L78 Accepts]: Start accepts. Automaton has 835 states and 1161 transitions. Word has length 100 [2024-11-19 13:42:49,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:42:49,084 INFO L471 AbstractCegarLoop]: Abstraction has 835 states and 1161 transitions. [2024-11-19 13:42:49,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 15.833333333333334) internal successors, (190), 13 states have internal predecessors, (190), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 13:42:49,085 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1161 transitions. [2024-11-19 13:42:49,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-19 13:42:49,086 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:42:49,086 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] [2024-11-19 13:42:49,104 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 13:42:49,286 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,SelfDestructingSolverStorable8 [2024-11-19 13:42:49,287 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)] === [2024-11-19 13:42:49,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:42:49,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1523087115, now seen corresponding path program 1 times [2024-11-19 13:42:49,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:42:49,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851788237] [2024-11-19 13:42:49,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:42:49,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:42:49,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:42:49,806 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:42:49,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:42:49,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851788237] [2024-11-19 13:42:49,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851788237] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:42:49,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287553165] [2024-11-19 13:42:49,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:42:49,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:42:49,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:42:49,809 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) [2024-11-19 13:42:49,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 13:42:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:42:50,116 INFO L255 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-19 13:42:50,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:42:50,299 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:42:50,299 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 13:42:50,457 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:42:50,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1287553165] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 13:42:50,458 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 13:42:50,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-19 13:42:50,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573267197] [2024-11-19 13:42:50,459 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 13:42:50,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 13:42:50,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:42:50,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 13:42:50,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2024-11-19 13:42:50,460 INFO L87 Difference]: Start difference. First operand 835 states and 1161 transitions. Second operand has 13 states, 12 states have (on average 16.083333333333332) internal successors, (193), 13 states have internal predecessors, (193), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 13:42:50,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:42:50,590 INFO L93 Difference]: Finished difference Result 844 states and 1169 transitions. [2024-11-19 13:42:50,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 13:42:50,591 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 16.083333333333332) internal successors, (193), 13 states have internal predecessors, (193), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 101 [2024-11-19 13:42:50,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:42:50,595 INFO L225 Difference]: With dead ends: 844 [2024-11-19 13:42:50,595 INFO L226 Difference]: Without dead ends: 843 [2024-11-19 13:42:50,595 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2024-11-19 13:42:50,596 INFO L432 NwaCegarLoop]: 290 mSDtfsCounter, 842 mSDsluCounter, 1744 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 847 SdHoareTripleChecker+Valid, 2034 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:42:50,596 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [847 Valid, 2034 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:42:50,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2024-11-19 13:42:50,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 836. [2024-11-19 13:42:50,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 836 states, 817 states have (on average 1.390452876376989) internal successors, (1136), 822 states have internal predecessors, (1136), 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) [2024-11-19 13:42:50,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1160 transitions. [2024-11-19 13:42:50,621 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1160 transitions. Word has length 101 [2024-11-19 13:42:50,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:42:50,621 INFO L471 AbstractCegarLoop]: Abstraction has 836 states and 1160 transitions. [2024-11-19 13:42:50,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 16.083333333333332) internal successors, (193), 13 states have internal predecessors, (193), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 13:42:50,622 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1160 transitions. [2024-11-19 13:42:50,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-19 13:42:50,623 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:42:50,624 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:42:50,643 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-19 13:42:50,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:42:50,825 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 13:42:50,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:42:50,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1009351562, now seen corresponding path program 1 times [2024-11-19 13:42:50,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:42:50,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863740669] [2024-11-19 13:42:50,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:42:50,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:42:50,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:42:51,258 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:42:51,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:42:51,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863740669] [2024-11-19 13:42:51,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863740669] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:42:51,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [86448648] [2024-11-19 13:42:51,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:42:51,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:42:51,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:42:51,260 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) [2024-11-19 13:42:51,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 13:42:51,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:42:51,689 INFO L255 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 13:42:51,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:42:51,905 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:42:51,905 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:42:51,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [86448648] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:42:51,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:42:51,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-19 13:42:51,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959487238] [2024-11-19 13:42:51,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:42:51,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 13:42:51,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:42:51,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 13:42:51,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 13:42:51,907 INFO L87 Difference]: Start difference. First operand 836 states and 1160 transitions. Second operand has 6 states, 5 states have (on average 33.4) internal successors, (167), 6 states have internal predecessors, (167), 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) [2024-11-19 13:42:51,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:42:51,965 INFO L93 Difference]: Finished difference Result 836 states and 1160 transitions. [2024-11-19 13:42:51,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 13:42:51,966 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 33.4) internal successors, (167), 6 states have internal predecessors, (167), 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 174 [2024-11-19 13:42:51,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:42:51,971 INFO L225 Difference]: With dead ends: 836 [2024-11-19 13:42:51,971 INFO L226 Difference]: Without dead ends: 835 [2024-11-19 13:42:51,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 13:42:51,971 INFO L432 NwaCegarLoop]: 515 mSDtfsCounter, 425 mSDsluCounter, 796 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 1311 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:42:51,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [429 Valid, 1311 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:42:51,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2024-11-19 13:42:51,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 835. [2024-11-19 13:42:51,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 835 states, 817 states have (on average 1.386780905752754) internal successors, (1133), 821 states have internal predecessors, (1133), 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) [2024-11-19 13:42:51,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 1157 transitions. [2024-11-19 13:42:51,994 INFO L78 Accepts]: Start accepts. Automaton has 835 states and 1157 transitions. Word has length 174 [2024-11-19 13:42:51,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:42:51,995 INFO L471 AbstractCegarLoop]: Abstraction has 835 states and 1157 transitions. [2024-11-19 13:42:51,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 33.4) internal successors, (167), 6 states have internal predecessors, (167), 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) [2024-11-19 13:42:51,995 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1157 transitions. [2024-11-19 13:42:51,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2024-11-19 13:42:51,998 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:42:51,998 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:42:52,017 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-19 13:42:52,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:42:52,199 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)] === [2024-11-19 13:42:52,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:42:52,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1949198097, now seen corresponding path program 1 times [2024-11-19 13:42:52,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:42:52,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183830107] [2024-11-19 13:42:52,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:42:52,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:42:52,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:42:52,604 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-11-19 13:42:52,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:42:52,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183830107] [2024-11-19 13:42:52,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183830107] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:42:52,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:42:52,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:42:52,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966281618] [2024-11-19 13:42:52,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:42:52,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:42:52,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:42:52,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:42:52,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:42:52,607 INFO L87 Difference]: Start difference. First operand 835 states and 1157 transitions. Second operand has 4 states, 3 states have (on average 57.0) internal successors, (171), 4 states have internal predecessors, (171), 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) [2024-11-19 13:42:52,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:42:52,634 INFO L93 Difference]: Finished difference Result 835 states and 1157 transitions. [2024-11-19 13:42:52,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:42:52,634 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 57.0) internal successors, (171), 4 states have internal predecessors, (171), 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 254 [2024-11-19 13:42:52,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:42:52,637 INFO L225 Difference]: With dead ends: 835 [2024-11-19 13:42:52,637 INFO L226 Difference]: Without dead ends: 834 [2024-11-19 13:42:52,638 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:42:52,638 INFO L432 NwaCegarLoop]: 289 mSDtfsCounter, 195 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:42:52,639 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 592 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:42:52,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2024-11-19 13:42:52,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 834. [2024-11-19 13:42:52,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 834 states, 817 states have (on average 1.3843329253365972) internal successors, (1131), 820 states have internal predecessors, (1131), 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) [2024-11-19 13:42:52,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1155 transitions. [2024-11-19 13:42:52,660 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1155 transitions. Word has length 254 [2024-11-19 13:42:52,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:42:52,660 INFO L471 AbstractCegarLoop]: Abstraction has 834 states and 1155 transitions. [2024-11-19 13:42:52,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 57.0) internal successors, (171), 4 states have internal predecessors, (171), 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) [2024-11-19 13:42:52,661 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1155 transitions. [2024-11-19 13:42:52,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-11-19 13:42:52,663 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:42:52,664 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:42:52,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 13:42:52,664 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 13:42:52,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:42:52,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1505173212, now seen corresponding path program 1 times [2024-11-19 13:42:52,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:42:52,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068973473] [2024-11-19 13:42:52,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:42:52,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:42:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:42:53,302 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 236 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:42:53,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:42:53,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068973473] [2024-11-19 13:42:53,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068973473] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:42:53,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1435623021] [2024-11-19 13:42:53,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:42:53,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:42:53,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:42:53,306 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) [2024-11-19 13:42:53,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 13:42:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:42:53,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 1285 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 13:42:53,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:42:54,180 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 236 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:42:54,181 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 13:42:54,531 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 236 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:42:54,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1435623021] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 13:42:54,531 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 13:42:54,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-19 13:42:54,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517380192] [2024-11-19 13:42:54,532 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 13:42:54,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-19 13:42:54,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:42:54,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-19 13:42:54,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-19 13:42:54,534 INFO L87 Difference]: Start difference. First operand 834 states and 1155 transitions. Second operand has 18 states, 18 states have (on average 32.22222222222222) internal successors, (580), 18 states have internal predecessors, (580), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 13:42:54,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:42:54,715 INFO L93 Difference]: Finished difference Result 1453 states and 2017 transitions. [2024-11-19 13:42:54,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 13:42:54,716 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 32.22222222222222) internal successors, (580), 18 states have internal predecessors, (580), 3 states have call successors, (6), 1 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 258 [2024-11-19 13:42:54,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:42:54,740 INFO L225 Difference]: With dead ends: 1453 [2024-11-19 13:42:54,741 INFO L226 Difference]: Without dead ends: 1446 [2024-11-19 13:42:54,741 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 523 GetRequests, 507 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-19 13:42:54,742 INFO L432 NwaCegarLoop]: 418 mSDtfsCounter, 2488 mSDsluCounter, 2913 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2507 SdHoareTripleChecker+Valid, 3331 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:42:54,742 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2507 Valid, 3331 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:42:54,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1446 states. [2024-11-19 13:42:54,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1446 to 1442. [2024-11-19 13:42:54,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1442 states, 1416 states have (on average 1.387005649717514) internal successors, (1964), 1419 states have internal predecessors, (1964), 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) [2024-11-19 13:42:54,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1442 states and 2006 transitions. [2024-11-19 13:42:54,779 INFO L78 Accepts]: Start accepts. Automaton has 1442 states and 2006 transitions. Word has length 258 [2024-11-19 13:42:54,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:42:54,780 INFO L471 AbstractCegarLoop]: Abstraction has 1442 states and 2006 transitions. [2024-11-19 13:42:54,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 32.22222222222222) internal successors, (580), 18 states have internal predecessors, (580), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 13:42:54,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 2006 transitions. [2024-11-19 13:42:54,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2024-11-19 13:42:54,784 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:42:54,784 INFO L215 NwaCegarLoop]: trace histogram [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, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:42:54,805 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 13:42:54,988 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,SelfDestructingSolverStorable12 [2024-11-19 13:42:54,989 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 13:42:54,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:42:54,989 INFO L85 PathProgramCache]: Analyzing trace with hash -941014536, now seen corresponding path program 1 times [2024-11-19 13:42:54,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:42:54,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247541819] [2024-11-19 13:42:54,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:42:54,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:42:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:42:57,576 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:42:57,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:42:57,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247541819] [2024-11-19 13:42:57,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247541819] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:42:57,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501426202] [2024-11-19 13:42:57,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:42:57,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:42:57,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:42:57,579 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) [2024-11-19 13:42:57,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 13:42:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:42:58,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 1687 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-19 13:42:58,244 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:42:58,750 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:42:58,750 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 13:42:59,224 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:42:59,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [501426202] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 13:42:59,225 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 13:42:59,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 27 [2024-11-19 13:42:59,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407106528] [2024-11-19 13:42:59,225 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 13:42:59,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-19 13:42:59,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:42:59,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-19 13:42:59,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=498, Unknown=0, NotChecked=0, Total=756 [2024-11-19 13:42:59,228 INFO L87 Difference]: Start difference. First operand 1442 states and 2006 transitions. Second operand has 28 states, 27 states have (on average 24.925925925925927) internal successors, (673), 28 states have internal predecessors, (673), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 13:42:59,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:42:59,597 INFO L93 Difference]: Finished difference Result 2071 states and 2891 transitions. [2024-11-19 13:42:59,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-19 13:42:59,598 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 24.925925925925927) internal successors, (673), 28 states have internal predecessors, (673), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 337 [2024-11-19 13:42:59,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:42:59,605 INFO L225 Difference]: With dead ends: 2071 [2024-11-19 13:42:59,605 INFO L226 Difference]: Without dead ends: 2070 [2024-11-19 13:42:59,606 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 688 GetRequests, 657 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=338, Invalid=718, Unknown=0, NotChecked=0, Total=1056 [2024-11-19 13:42:59,606 INFO L432 NwaCegarLoop]: 373 mSDtfsCounter, 4138 mSDsluCounter, 4195 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4161 SdHoareTripleChecker+Valid, 4568 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:42:59,607 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4161 Valid, 4568 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:42:59,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2070 states. [2024-11-19 13:42:59,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2070 to 2057. [2024-11-19 13:42:59,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2057 states, 2022 states have (on average 1.3872403560830862) internal successors, (2805), 2025 states have internal predecessors, (2805), 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) [2024-11-19 13:42:59,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2057 states to 2057 states and 2865 transitions. [2024-11-19 13:42:59,655 INFO L78 Accepts]: Start accepts. Automaton has 2057 states and 2865 transitions. Word has length 337 [2024-11-19 13:42:59,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:42:59,656 INFO L471 AbstractCegarLoop]: Abstraction has 2057 states and 2865 transitions. [2024-11-19 13:42:59,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 24.925925925925927) internal successors, (673), 28 states have internal predecessors, (673), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 13:42:59,657 INFO L276 IsEmpty]: Start isEmpty. Operand 2057 states and 2865 transitions. [2024-11-19 13:42:59,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2024-11-19 13:42:59,680 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:42:59,681 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, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:42:59,701 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-19 13:42:59,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:42:59,882 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 13:42:59,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:42:59,883 INFO L85 PathProgramCache]: Analyzing trace with hash 893320523, now seen corresponding path program 1 times [2024-11-19 13:42:59,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:42:59,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734007378] [2024-11-19 13:42:59,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:42:59,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:43:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:43:02,402 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 0 proven. 488 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:43:02,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:43:02,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734007378] [2024-11-19 13:43:02,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734007378] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:43:02,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110091202] [2024-11-19 13:43:02,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:43:02,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:43:02,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:43:02,405 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) [2024-11-19 13:43:02,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 13:43:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:43:03,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 1688 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-19 13:43:03,182 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:43:03,673 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 0 proven. 488 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:43:03,673 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 13:43:04,079 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 0 proven. 488 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:43:04,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1110091202] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 13:43:04,080 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 13:43:04,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 27 [2024-11-19 13:43:04,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587456166] [2024-11-19 13:43:04,081 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 13:43:04,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-19 13:43:04,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:43:04,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-19 13:43:04,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=498, Unknown=0, NotChecked=0, Total=756 [2024-11-19 13:43:04,083 INFO L87 Difference]: Start difference. First operand 2057 states and 2865 transitions. Second operand has 28 states, 27 states have (on average 25.037037037037038) internal successors, (676), 28 states have internal predecessors, (676), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 13:43:04,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:43:04,447 INFO L93 Difference]: Finished difference Result 2071 states and 2885 transitions. [2024-11-19 13:43:04,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-19 13:43:04,447 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 25.037037037037038) internal successors, (676), 28 states have internal predecessors, (676), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 338 [2024-11-19 13:43:04,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:43:04,455 INFO L225 Difference]: With dead ends: 2071 [2024-11-19 13:43:04,455 INFO L226 Difference]: Without dead ends: 2070 [2024-11-19 13:43:04,457 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 690 GetRequests, 659 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=338, Invalid=718, Unknown=0, NotChecked=0, Total=1056 [2024-11-19 13:43:04,457 INFO L432 NwaCegarLoop]: 374 mSDtfsCounter, 3605 mSDsluCounter, 3549 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3628 SdHoareTripleChecker+Valid, 3923 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:43:04,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3628 Valid, 3923 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:43:04,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2070 states. [2024-11-19 13:43:04,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2070 to 2058. [2024-11-19 13:43:04,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2058 states, 2023 states have (on average 1.384577360355907) internal successors, (2801), 2026 states have internal predecessors, (2801), 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) [2024-11-19 13:43:04,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2058 states to 2058 states and 2861 transitions. [2024-11-19 13:43:04,505 INFO L78 Accepts]: Start accepts. Automaton has 2058 states and 2861 transitions. Word has length 338 [2024-11-19 13:43:04,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:43:04,505 INFO L471 AbstractCegarLoop]: Abstraction has 2058 states and 2861 transitions. [2024-11-19 13:43:04,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 25.037037037037038) internal successors, (676), 28 states have internal predecessors, (676), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 13:43:04,506 INFO L276 IsEmpty]: Start isEmpty. Operand 2058 states and 2861 transitions. [2024-11-19 13:43:04,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2024-11-19 13:43:04,515 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:43:04,515 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 13:43:04,536 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-19 13:43:04,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:43:04,717 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)] === [2024-11-19 13:43:04,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:43:04,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1249095388, now seen corresponding path program 2 times [2024-11-19 13:43:04,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:43:04,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618484794] [2024-11-19 13:43:04,718 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:43:04,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:43:05,098 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 13:43:05,099 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:43:06,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1658 backedges. 0 proven. 1654 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:43:06,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:43:06,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618484794] [2024-11-19 13:43:06,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618484794] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:43:06,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67672117] [2024-11-19 13:43:06,809 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:43:06,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:43:06,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:43:06,812 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) [2024-11-19 13:43:06,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-19 13:43:07,875 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 13:43:07,875 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:43:07,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 2765 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-19 13:43:07,898 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:43:08,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1658 backedges. 0 proven. 1654 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:43:08,433 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 13:43:09,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1658 backedges. 0 proven. 1654 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:43:09,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [67672117] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 13:43:09,037 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 13:43:09,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-11-19 13:43:09,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498598938] [2024-11-19 13:43:09,038 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 13:43:09,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-19 13:43:09,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:43:09,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-19 13:43:09,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-19 13:43:09,041 INFO L87 Difference]: Start difference. First operand 2058 states and 2861 transitions. Second operand has 23 states, 23 states have (on average 35.65217391304348) internal successors, (820), 23 states have internal predecessors, (820), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 13:43:09,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:43:09,298 INFO L93 Difference]: Finished difference Result 2065 states and 2868 transitions. [2024-11-19 13:43:09,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-19 13:43:09,299 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 35.65217391304348) internal successors, (820), 23 states have internal predecessors, (820), 3 states have call successors, (6), 1 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 574 [2024-11-19 13:43:09,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:43:09,307 INFO L225 Difference]: With dead ends: 2065 [2024-11-19 13:43:09,307 INFO L226 Difference]: Without dead ends: 2058 [2024-11-19 13:43:09,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1163 GetRequests, 1131 SyntacticMatches, 11 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-19 13:43:09,308 INFO L432 NwaCegarLoop]: 375 mSDtfsCounter, 4097 mSDsluCounter, 3932 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4123 SdHoareTripleChecker+Valid, 4307 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:43:09,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4123 Valid, 4307 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:43:09,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2058 states. [2024-11-19 13:43:09,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2058 to 2058. [2024-11-19 13:43:09,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2058 states, 2023 states have (on average 1.3830944142362827) internal successors, (2798), 2026 states have internal predecessors, (2798), 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) [2024-11-19 13:43:09,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2058 states to 2058 states and 2858 transitions. [2024-11-19 13:43:09,454 INFO L78 Accepts]: Start accepts. Automaton has 2058 states and 2858 transitions. Word has length 574 [2024-11-19 13:43:09,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:43:09,454 INFO L471 AbstractCegarLoop]: Abstraction has 2058 states and 2858 transitions. [2024-11-19 13:43:09,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 35.65217391304348) internal successors, (820), 23 states have internal predecessors, (820), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 13:43:09,455 INFO L276 IsEmpty]: Start isEmpty. Operand 2058 states and 2858 transitions. [2024-11-19 13:43:09,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 812 [2024-11-19 13:43:09,478 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:43:09,478 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 13:43:09,501 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-19 13:43:09,679 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,SelfDestructingSolverStorable15 [2024-11-19 13:43:09,679 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 13:43:09,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:43:09,679 INFO L85 PathProgramCache]: Analyzing trace with hash 437432476, now seen corresponding path program 3 times [2024-11-19 13:43:09,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:43:09,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382161318] [2024-11-19 13:43:09,680 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 13:43:09,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:43:09,959 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-19 13:43:09,962 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:43:10,253 INFO L134 CoverageAnalysis]: Checked inductivity of 3551 backedges. 647 proven. 0 refuted. 0 times theorem prover too weak. 2904 trivial. 0 not checked. [2024-11-19 13:43:10,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:43:10,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382161318] [2024-11-19 13:43:10,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382161318] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:43:10,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:43:10,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 13:43:10,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241773748] [2024-11-19 13:43:10,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:43:10,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 13:43:10,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:43:10,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 13:43:10,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 13:43:10,257 INFO L87 Difference]: Start difference. First operand 2058 states and 2858 transitions. Second operand has 6 states, 6 states have (on average 28.0) internal successors, (168), 6 states have internal predecessors, (168), 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) [2024-11-19 13:43:10,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:43:10,792 INFO L93 Difference]: Finished difference Result 4428 states and 6100 transitions. [2024-11-19 13:43:10,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 13:43:10,792 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 6 states have internal predecessors, (168), 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 811 [2024-11-19 13:43:10,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:43:10,801 INFO L225 Difference]: With dead ends: 4428 [2024-11-19 13:43:10,801 INFO L226 Difference]: Without dead ends: 2468 [2024-11-19 13:43:10,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-19 13:43:10,805 INFO L432 NwaCegarLoop]: 279 mSDtfsCounter, 14 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 13:43:10,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 848 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 13:43:10,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2468 states. [2024-11-19 13:43:10,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2468 to 2418. [2024-11-19 13:43:10,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2418 states, 2383 states have (on average 1.3545950482584976) internal successors, (3228), 2386 states have internal predecessors, (3228), 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) [2024-11-19 13:43:10,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 2418 states and 3288 transitions. [2024-11-19 13:43:10,885 INFO L78 Accepts]: Start accepts. Automaton has 2418 states and 3288 transitions. Word has length 811 [2024-11-19 13:43:10,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:43:10,886 INFO L471 AbstractCegarLoop]: Abstraction has 2418 states and 3288 transitions. [2024-11-19 13:43:10,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 6 states have internal predecessors, (168), 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) [2024-11-19 13:43:10,887 INFO L276 IsEmpty]: Start isEmpty. Operand 2418 states and 3288 transitions. [2024-11-19 13:43:10,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 822 [2024-11-19 13:43:10,911 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:43:10,911 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 13:43:10,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 13:43:10,911 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 13:43:10,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:43:10,912 INFO L85 PathProgramCache]: Analyzing trace with hash -830518494, now seen corresponding path program 1 times [2024-11-19 13:43:10,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:43:10,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228142585] [2024-11-19 13:43:10,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:43:10,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:43:11,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:43:12,558 INFO L134 CoverageAnalysis]: Checked inductivity of 3596 backedges. 352 proven. 0 refuted. 0 times theorem prover too weak. 3244 trivial. 0 not checked. [2024-11-19 13:43:12,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:43:12,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228142585] [2024-11-19 13:43:12,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228142585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:43:12,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:43:12,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 13:43:12,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211102747] [2024-11-19 13:43:12,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:43:12,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 13:43:12,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:43:12,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 13:43:12,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 13:43:12,560 INFO L87 Difference]: Start difference. First operand 2418 states and 3288 transitions. Second operand has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 7 states have internal predecessors, (136), 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) [2024-11-19 13:43:12,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:43:12,988 INFO L93 Difference]: Finished difference Result 4827 states and 6599 transitions. [2024-11-19 13:43:12,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 13:43:12,989 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 7 states have internal predecessors, (136), 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 821 [2024-11-19 13:43:12,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:43:12,998 INFO L225 Difference]: With dead ends: 4827 [2024-11-19 13:43:12,998 INFO L226 Difference]: Without dead ends: 2548 [2024-11-19 13:43:13,001 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 13:43:13,002 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 15 mSDsluCounter, 748 mSDsCounter, 0 mSdLazyCounter, 743 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 1020 SdHoareTripleChecker+Invalid, 744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 13:43:13,002 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 1020 Invalid, 744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 743 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 13:43:13,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2548 states. [2024-11-19 13:43:13,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2548 to 2518. [2024-11-19 13:43:13,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2518 states, 2483 states have (on average 1.36045106725735) internal successors, (3378), 2486 states have internal predecessors, (3378), 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) [2024-11-19 13:43:13,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2518 states to 2518 states and 3438 transitions. [2024-11-19 13:43:13,057 INFO L78 Accepts]: Start accepts. Automaton has 2518 states and 3438 transitions. Word has length 821 [2024-11-19 13:43:13,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:43:13,057 INFO L471 AbstractCegarLoop]: Abstraction has 2518 states and 3438 transitions. [2024-11-19 13:43:13,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 7 states have internal predecessors, (136), 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) [2024-11-19 13:43:13,057 INFO L276 IsEmpty]: Start isEmpty. Operand 2518 states and 3438 transitions. [2024-11-19 13:43:13,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 822 [2024-11-19 13:43:13,065 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:43:13,065 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 13:43:13,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 13:43:13,065 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-19 13:43:13,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:43:13,066 INFO L85 PathProgramCache]: Analyzing trace with hash 220841218, now seen corresponding path program 1 times [2024-11-19 13:43:13,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:43:13,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507460399] [2024-11-19 13:43:13,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:43:13,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms