./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash be1dcf4f68625d62d28b81607385317c3749a3b9c4401099e862ce9a8a6e6751 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 21:56:12,066 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 21:56:12,131 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 21:56:12,136 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 21:56:12,136 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 21:56:12,161 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 21:56:12,161 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 21:56:12,161 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 21:56:12,162 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 21:56:12,164 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 21:56:12,164 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 21:56:12,165 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 21:56:12,166 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 21:56:12,169 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 21:56:12,169 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 21:56:12,170 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 21:56:12,170 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 21:56:12,170 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 21:56:12,170 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 21:56:12,171 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 21:56:12,171 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 21:56:12,175 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 21:56:12,176 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 21:56:12,176 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 21:56:12,176 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 21:56:12,176 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 21:56:12,176 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 21:56:12,177 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 21:56:12,177 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 21:56:12,177 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 21:56:12,177 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 21:56:12,177 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 21:56:12,178 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 21:56:12,178 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 21:56:12,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 21:56:12,178 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 21:56:12,179 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 21:56:12,179 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 21:56:12,179 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 21:56:12,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 21:56:12,181 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 21:56:12,182 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 21:56:12,182 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 21:56:12,182 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 21:56:12,183 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be1dcf4f68625d62d28b81607385317c3749a3b9c4401099e862ce9a8a6e6751 [2024-11-10 21:56:12,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 21:56:12,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 21:56:12,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 21:56:12,473 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 21:56:12,474 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 21:56:12,475 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-1.i [2024-11-10 21:56:13,903 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 21:56:14,199 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 21:56:14,200 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-1.i [2024-11-10 21:56:14,221 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d6a7c551/4c37f9cbe830405f9c6e5a5ec53e1fed/FLAGee328fb03 [2024-11-10 21:56:14,236 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d6a7c551/4c37f9cbe830405f9c6e5a5ec53e1fed [2024-11-10 21:56:14,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 21:56:14,242 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 21:56:14,244 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 21:56:14,244 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 21:56:14,249 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 21:56:14,250 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:56:14" (1/1) ... [2024-11-10 21:56:14,251 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bdbe7bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:56:14, skipping insertion in model container [2024-11-10 21:56:14,251 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:56:14" (1/1) ... [2024-11-10 21:56:14,314 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 21:56:14,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 21:56:14,921 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 21:56:15,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 21:56:15,074 INFO L204 MainTranslator]: Completed translation [2024-11-10 21:56:15,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:56:15 WrapperNode [2024-11-10 21:56:15,075 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 21:56:15,076 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 21:56:15,076 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 21:56:15,076 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 21:56:15,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:56:15" (1/1) ... [2024-11-10 21:56:15,125 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:56:15" (1/1) ... [2024-11-10 21:56:15,191 INFO L138 Inliner]: procedures = 176, calls = 336, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1563 [2024-11-10 21:56:15,194 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 21:56:15,195 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 21:56:15,195 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 21:56:15,195 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 21:56:15,213 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:56:15" (1/1) ... [2024-11-10 21:56:15,213 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:56:15" (1/1) ... [2024-11-10 21:56:15,229 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:56:15" (1/1) ... [2024-11-10 21:56:15,325 INFO L175 MemorySlicer]: Split 309 memory accesses to 2 slices as follows [2, 307]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 82 writes are split as follows [0, 82]. [2024-11-10 21:56:15,329 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:56:15" (1/1) ... [2024-11-10 21:56:15,330 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:56:15" (1/1) ... [2024-11-10 21:56:15,377 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:56:15" (1/1) ... [2024-11-10 21:56:15,380 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:56:15" (1/1) ... [2024-11-10 21:56:15,388 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:56:15" (1/1) ... [2024-11-10 21:56:15,394 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:56:15" (1/1) ... [2024-11-10 21:56:15,407 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 21:56:15,408 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 21:56:15,408 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 21:56:15,409 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 21:56:15,409 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:56:15" (1/1) ... [2024-11-10 21:56:15,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 21:56:15,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:56:15,441 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 21:56:15,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 21:56:15,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 21:56:15,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 21:56:15,533 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 21:56:15,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 21:56:15,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 21:56:15,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 21:56:15,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-10 21:56:15,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-10 21:56:15,534 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-10 21:56:15,535 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-10 21:56:15,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 21:56:15,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 21:56:15,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 21:56:15,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 21:56:15,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 21:56:15,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 21:56:15,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 21:56:15,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 21:56:15,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 21:56:15,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 21:56:15,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 21:56:15,767 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 21:56:15,769 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 21:56:17,376 INFO L? ?]: Removed 393 outVars from TransFormulas that were not future-live. [2024-11-10 21:56:17,377 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 21:56:17,439 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 21:56:17,441 INFO L336 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-10 21:56:17,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:56:17 BoogieIcfgContainer [2024-11-10 21:56:17,442 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 21:56:17,460 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 21:56:17,461 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 21:56:17,464 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 21:56:17,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 09:56:14" (1/3) ... [2024-11-10 21:56:17,465 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d4ad587 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:56:17, skipping insertion in model container [2024-11-10 21:56:17,466 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:56:15" (2/3) ... [2024-11-10 21:56:17,466 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d4ad587 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:56:17, skipping insertion in model container [2024-11-10 21:56:17,467 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:56:17" (3/3) ... [2024-11-10 21:56:17,468 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test4-1.i [2024-11-10 21:56:17,486 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 21:56:17,486 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-10 21:56:17,577 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 21:56:17,585 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;@5c3eef01, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 21:56:17,586 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-10 21:56:17,591 INFO L276 IsEmpty]: Start isEmpty. Operand has 445 states, 420 states have (on average 1.6095238095238096) internal successors, (676), 436 states have internal predecessors, (676), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-10 21:56:17,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-10 21:56:17,597 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:56:17,598 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:56:17,599 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:56:17,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:56:17,604 INFO L85 PathProgramCache]: Analyzing trace with hash 406330624, now seen corresponding path program 1 times [2024-11-10 21:56:17,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:56:17,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155476885] [2024-11-10 21:56:17,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:56:17,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:56:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:17,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 21:56:17,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:56:17,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155476885] [2024-11-10 21:56:17,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155476885] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:56:17,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:56:17,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 21:56:17,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498668442] [2024-11-10 21:56:17,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:56:17,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 21:56:17,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:56:17,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 21:56:17,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 21:56:17,801 INFO L87 Difference]: Start difference. First operand has 445 states, 420 states have (on average 1.6095238095238096) internal successors, (676), 436 states have internal predecessors, (676), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 21:56:17,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:56:17,970 INFO L93 Difference]: Finished difference Result 886 states and 1423 transitions. [2024-11-10 21:56:17,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 21:56:17,973 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-10 21:56:17,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:56:17,989 INFO L225 Difference]: With dead ends: 886 [2024-11-10 21:56:17,989 INFO L226 Difference]: Without dead ends: 438 [2024-11-10 21:56:17,996 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 21:56:17,999 INFO L432 NwaCegarLoop]: 593 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 21:56:18,000 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 593 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 21:56:18,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2024-11-10 21:56:18,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 438. [2024-11-10 21:56:18,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 415 states have (on average 1.4457831325301205) internal successors, (600), 429 states have internal predecessors, (600), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-10 21:56:18,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 632 transitions. [2024-11-10 21:56:18,090 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 632 transitions. Word has length 7 [2024-11-10 21:56:18,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:56:18,091 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 632 transitions. [2024-11-10 21:56:18,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 21:56:18,092 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 632 transitions. [2024-11-10 21:56:18,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-10 21:56:18,094 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:56:18,094 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:56:18,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 21:56:18,095 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:56:18,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:56:18,095 INFO L85 PathProgramCache]: Analyzing trace with hash -311616649, now seen corresponding path program 1 times [2024-11-10 21:56:18,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:56:18,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116965039] [2024-11-10 21:56:18,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:56:18,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:56:18,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:18,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 21:56:18,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:56:18,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116965039] [2024-11-10 21:56:18,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116965039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:56:18,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:56:18,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 21:56:18,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230384828] [2024-11-10 21:56:18,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:56:18,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 21:56:18,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:56:18,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 21:56:18,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 21:56:18,200 INFO L87 Difference]: Start difference. First operand 438 states and 632 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 21:56:18,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:56:18,405 INFO L93 Difference]: Finished difference Result 865 states and 1253 transitions. [2024-11-10 21:56:18,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 21:56:18,406 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-10 21:56:18,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:56:18,414 INFO L225 Difference]: With dead ends: 865 [2024-11-10 21:56:18,414 INFO L226 Difference]: Without dead ends: 830 [2024-11-10 21:56:18,416 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 21:56:18,418 INFO L432 NwaCegarLoop]: 668 mSDtfsCounter, 552 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 558 SdHoareTripleChecker+Valid, 1247 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 21:56:18,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [558 Valid, 1247 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 21:56:18,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2024-11-10 21:56:18,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 444. [2024-11-10 21:56:18,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 421 states have (on average 1.4394299287410925) internal successors, (606), 435 states have internal predecessors, (606), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-10 21:56:18,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 638 transitions. [2024-11-10 21:56:18,466 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 638 transitions. Word has length 8 [2024-11-10 21:56:18,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:56:18,467 INFO L471 AbstractCegarLoop]: Abstraction has 444 states and 638 transitions. [2024-11-10 21:56:18,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 21:56:18,468 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 638 transitions. [2024-11-10 21:56:18,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-10 21:56:18,475 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:56:18,475 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:56:18,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 21:56:18,477 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:56:18,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:56:18,478 INFO L85 PathProgramCache]: Analyzing trace with hash -532612145, now seen corresponding path program 1 times [2024-11-10 21:56:18,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:56:18,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233315414] [2024-11-10 21:56:18,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:56:18,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:56:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:19,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 21:56:19,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:56:19,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233315414] [2024-11-10 21:56:19,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233315414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:56:19,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:56:19,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 21:56:19,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437231717] [2024-11-10 21:56:19,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:56:19,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 21:56:19,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:56:19,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 21:56:19,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 21:56:19,070 INFO L87 Difference]: Start difference. First operand 444 states and 638 transitions. Second operand has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 21:56:19,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:56:19,253 INFO L93 Difference]: Finished difference Result 845 states and 1212 transitions. [2024-11-10 21:56:19,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 21:56:19,254 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 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 155 [2024-11-10 21:56:19,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:56:19,257 INFO L225 Difference]: With dead ends: 845 [2024-11-10 21:56:19,257 INFO L226 Difference]: Without dead ends: 409 [2024-11-10 21:56:19,260 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 21:56:19,261 INFO L432 NwaCegarLoop]: 495 mSDtfsCounter, 23 mSDsluCounter, 968 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 1463 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 21:56:19,263 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 1463 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 21:56:19,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2024-11-10 21:56:19,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 408. [2024-11-10 21:56:19,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 385 states have (on average 1.3974025974025974) internal successors, (538), 399 states have internal predecessors, (538), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-10 21:56:19,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 570 transitions. [2024-11-10 21:56:19,279 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 570 transitions. Word has length 155 [2024-11-10 21:56:19,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:56:19,280 INFO L471 AbstractCegarLoop]: Abstraction has 408 states and 570 transitions. [2024-11-10 21:56:19,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 21:56:19,280 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 570 transitions. [2024-11-10 21:56:19,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-10 21:56:19,284 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:56:19,284 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:56:19,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 21:56:19,285 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:56:19,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:56:19,286 INFO L85 PathProgramCache]: Analyzing trace with hash -317782992, now seen corresponding path program 1 times [2024-11-10 21:56:19,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:56:19,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271008459] [2024-11-10 21:56:19,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:56:19,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:56:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:19,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 21:56:19,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:56:19,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271008459] [2024-11-10 21:56:19,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271008459] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:56:19,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:56:19,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 21:56:19,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948765869] [2024-11-10 21:56:19,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:56:19,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 21:56:19,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:56:19,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 21:56:19,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 21:56:19,617 INFO L87 Difference]: Start difference. First operand 408 states and 570 transitions. Second operand has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 21:56:19,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:56:19,756 INFO L93 Difference]: Finished difference Result 796 states and 1120 transitions. [2024-11-10 21:56:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 21:56:19,757 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 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 155 [2024-11-10 21:56:19,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:56:19,759 INFO L225 Difference]: With dead ends: 796 [2024-11-10 21:56:19,759 INFO L226 Difference]: Without dead ends: 396 [2024-11-10 21:56:19,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 21:56:19,761 INFO L432 NwaCegarLoop]: 491 mSDtfsCounter, 27 mSDsluCounter, 969 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 1460 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 21:56:19,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 1460 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 21:56:19,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-10 21:56:19,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 396. [2024-11-10 21:56:19,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 373 states have (on average 1.3914209115281502) internal successors, (519), 387 states have internal predecessors, (519), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-10 21:56:19,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 551 transitions. [2024-11-10 21:56:19,772 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 551 transitions. Word has length 155 [2024-11-10 21:56:19,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:56:19,773 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 551 transitions. [2024-11-10 21:56:19,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 21:56:19,773 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 551 transitions. [2024-11-10 21:56:19,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-10 21:56:19,775 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:56:19,775 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:56:19,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 21:56:19,775 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:56:19,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:56:19,776 INFO L85 PathProgramCache]: Analyzing trace with hash 556892297, now seen corresponding path program 1 times [2024-11-10 21:56:19,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:56:19,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766005776] [2024-11-10 21:56:19,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:56:19,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:56:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:20,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 21:56:20,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:56:20,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766005776] [2024-11-10 21:56:20,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766005776] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:56:20,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:56:20,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 21:56:20,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557229196] [2024-11-10 21:56:20,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:56:20,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 21:56:20,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:56:20,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 21:56:20,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 21:56:20,032 INFO L87 Difference]: Start difference. First operand 396 states and 551 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 21:56:20,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:56:20,174 INFO L93 Difference]: Finished difference Result 865 states and 1203 transitions. [2024-11-10 21:56:20,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 21:56:20,175 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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 155 [2024-11-10 21:56:20,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:56:20,178 INFO L225 Difference]: With dead ends: 865 [2024-11-10 21:56:20,178 INFO L226 Difference]: Without dead ends: 477 [2024-11-10 21:56:20,180 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 21:56:20,182 INFO L432 NwaCegarLoop]: 509 mSDtfsCounter, 54 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 1011 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 21:56:20,183 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 1011 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 21:56:20,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2024-11-10 21:56:20,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 477. [2024-11-10 21:56:20,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 454 states have (on average 1.381057268722467) internal successors, (627), 468 states have internal predecessors, (627), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-10 21:56:20,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 659 transitions. [2024-11-10 21:56:20,199 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 659 transitions. Word has length 155 [2024-11-10 21:56:20,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:56:20,199 INFO L471 AbstractCegarLoop]: Abstraction has 477 states and 659 transitions. [2024-11-10 21:56:20,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 21:56:20,200 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 659 transitions. [2024-11-10 21:56:20,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-10 21:56:20,202 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:56:20,203 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:56:20,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 21:56:20,203 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:56:20,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:56:20,204 INFO L85 PathProgramCache]: Analyzing trace with hash -546913248, now seen corresponding path program 1 times [2024-11-10 21:56:20,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:56:20,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306219072] [2024-11-10 21:56:20,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:56:20,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:56:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:20,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 21:56:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:20,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 21:56:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:20,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:56:20,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:56:20,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306219072] [2024-11-10 21:56:20,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306219072] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:56:20,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:56:20,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 21:56:20,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833703052] [2024-11-10 21:56:20,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:56:20,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 21:56:20,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:56:20,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 21:56:20,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 21:56:20,641 INFO L87 Difference]: Start difference. First operand 477 states and 659 transitions. Second operand has 5 states, 5 states have (on average 32.6) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 21:56:21,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:56:21,111 INFO L93 Difference]: Finished difference Result 826 states and 1145 transitions. [2024-11-10 21:56:21,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 21:56:21,112 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.6) internal successors, (163), 4 states have internal predecessors, (163), 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 170 [2024-11-10 21:56:21,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:56:21,116 INFO L225 Difference]: With dead ends: 826 [2024-11-10 21:56:21,117 INFO L226 Difference]: Without dead ends: 438 [2024-11-10 21:56:21,118 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 21:56:21,120 INFO L432 NwaCegarLoop]: 410 mSDtfsCounter, 42 mSDsluCounter, 1084 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 1494 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 21:56:21,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 1494 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 21:56:21,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2024-11-10 21:56:21,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 435. [2024-11-10 21:56:21,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 412 states have (on average 1.3349514563106797) internal successors, (550), 426 states have internal predecessors, (550), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-10 21:56:21,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 582 transitions. [2024-11-10 21:56:21,155 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 582 transitions. Word has length 170 [2024-11-10 21:56:21,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:56:21,156 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 582 transitions. [2024-11-10 21:56:21,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.6) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 21:56:21,156 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 582 transitions. [2024-11-10 21:56:21,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-10 21:56:21,158 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:56:21,158 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:56:21,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 21:56:21,159 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:56:21,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:56:21,159 INFO L85 PathProgramCache]: Analyzing trace with hash -434646058, now seen corresponding path program 1 times [2024-11-10 21:56:21,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:56:21,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593331929] [2024-11-10 21:56:21,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:56:21,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:56:21,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:21,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 21:56:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:21,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 21:56:21,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:21,487 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:56:21,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:56:21,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593331929] [2024-11-10 21:56:21,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593331929] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:56:21,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:56:21,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 21:56:21,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301071220] [2024-11-10 21:56:21,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:56:21,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 21:56:21,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:56:21,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 21:56:21,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 21:56:21,491 INFO L87 Difference]: Start difference. First operand 435 states and 582 transitions. Second operand has 5 states, 5 states have (on average 32.6) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 21:56:21,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:56:21,915 INFO L93 Difference]: Finished difference Result 778 states and 1051 transitions. [2024-11-10 21:56:21,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 21:56:21,916 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.6) internal successors, (163), 4 states have internal predecessors, (163), 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 170 [2024-11-10 21:56:21,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:56:21,919 INFO L225 Difference]: With dead ends: 778 [2024-11-10 21:56:21,919 INFO L226 Difference]: Without dead ends: 432 [2024-11-10 21:56:21,920 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 21:56:21,920 INFO L432 NwaCegarLoop]: 412 mSDtfsCounter, 15 mSDsluCounter, 1089 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 1501 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 21:56:21,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 1501 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 21:56:21,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2024-11-10 21:56:21,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 429. [2024-11-10 21:56:21,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 406 states have (on average 1.3300492610837438) internal successors, (540), 420 states have internal predecessors, (540), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-10 21:56:21,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 572 transitions. [2024-11-10 21:56:21,933 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 572 transitions. Word has length 170 [2024-11-10 21:56:21,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:56:21,933 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 572 transitions. [2024-11-10 21:56:21,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.6) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 21:56:21,934 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 572 transitions. [2024-11-10 21:56:21,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-10 21:56:21,935 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:56:21,936 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:56:21,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 21:56:21,936 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:56:21,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:56:21,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1924100826, now seen corresponding path program 1 times [2024-11-10 21:56:21,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:56:21,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174062748] [2024-11-10 21:56:21,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:56:21,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:56:22,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:22,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 21:56:22,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:22,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 21:56:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:22,243 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:56:22,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:56:22,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174062748] [2024-11-10 21:56:22,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174062748] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:56:22,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:56:22,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 21:56:22,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527032196] [2024-11-10 21:56:22,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:56:22,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 21:56:22,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:56:22,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 21:56:22,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 21:56:22,246 INFO L87 Difference]: Start difference. First operand 429 states and 572 transitions. Second operand has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 21:56:22,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:56:22,698 INFO L93 Difference]: Finished difference Result 914 states and 1230 transitions. [2024-11-10 21:56:22,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 21:56:22,699 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 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 170 [2024-11-10 21:56:22,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:56:22,702 INFO L225 Difference]: With dead ends: 914 [2024-11-10 21:56:22,702 INFO L226 Difference]: Without dead ends: 574 [2024-11-10 21:56:22,703 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 21:56:22,704 INFO L432 NwaCegarLoop]: 427 mSDtfsCounter, 166 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 1153 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 21:56:22,704 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 1153 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 21:56:22,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2024-11-10 21:56:22,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 571. [2024-11-10 21:56:22,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 545 states have (on average 1.3266055045871559) internal successors, (723), 559 states have internal predecessors, (723), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 10 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 21:56:22,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 761 transitions. [2024-11-10 21:56:22,723 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 761 transitions. Word has length 170 [2024-11-10 21:56:22,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:56:22,725 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 761 transitions. [2024-11-10 21:56:22,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 21:56:22,726 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 761 transitions. [2024-11-10 21:56:22,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-10 21:56:22,728 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:56:22,728 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:56:22,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 21:56:22,728 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:56:22,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:56:22,729 INFO L85 PathProgramCache]: Analyzing trace with hash -993147155, now seen corresponding path program 1 times [2024-11-10 21:56:22,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:56:22,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796617041] [2024-11-10 21:56:22,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:56:22,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:56:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:23,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 21:56:23,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:23,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 21:56:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:23,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 21:56:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:23,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-10 21:56:23,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:23,132 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 21:56:23,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:56:23,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796617041] [2024-11-10 21:56:23,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796617041] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:56:23,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:56:23,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 21:56:23,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242464942] [2024-11-10 21:56:23,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:56:23,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 21:56:23,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:56:23,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 21:56:23,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 21:56:23,136 INFO L87 Difference]: Start difference. First operand 571 states and 761 transitions. Second operand has 5 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 21:56:23,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:56:23,593 INFO L93 Difference]: Finished difference Result 642 states and 864 transitions. [2024-11-10 21:56:23,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 21:56:23,594 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 185 [2024-11-10 21:56:23,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:56:23,598 INFO L225 Difference]: With dead ends: 642 [2024-11-10 21:56:23,598 INFO L226 Difference]: Without dead ends: 640 [2024-11-10 21:56:23,599 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 21:56:23,601 INFO L432 NwaCegarLoop]: 419 mSDtfsCounter, 220 mSDsluCounter, 1122 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 1541 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 21:56:23,601 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 1541 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 21:56:23,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2024-11-10 21:56:23,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 636. [2024-11-10 21:56:23,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 607 states have (on average 1.3212520593080725) internal successors, (802), 621 states have internal predecessors, (802), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-10 21:56:23,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 846 transitions. [2024-11-10 21:56:23,619 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 846 transitions. Word has length 185 [2024-11-10 21:56:23,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:56:23,620 INFO L471 AbstractCegarLoop]: Abstraction has 636 states and 846 transitions. [2024-11-10 21:56:23,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 21:56:23,620 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 846 transitions. [2024-11-10 21:56:23,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-10 21:56:23,622 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:56:23,622 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:56:23,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 21:56:23,622 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:56:23,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:56:23,623 INFO L85 PathProgramCache]: Analyzing trace with hash -756985630, now seen corresponding path program 1 times [2024-11-10 21:56:23,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:56:23,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24675206] [2024-11-10 21:56:23,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:56:23,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:56:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:24,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 21:56:24,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:24,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 21:56:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:24,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 21:56:24,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:24,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-10 21:56:24,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:24,028 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 21:56:24,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:56:24,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24675206] [2024-11-10 21:56:24,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24675206] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 21:56:24,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693732891] [2024-11-10 21:56:24,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:56:24,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:56:24,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:56:24,031 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 21:56:24,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 21:56:24,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:24,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 1037 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 21:56:24,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:56:24,791 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 21:56:24,791 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 21:56:25,075 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 21:56:25,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1693732891] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 21:56:25,076 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 21:56:25,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2024-11-10 21:56:25,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759415774] [2024-11-10 21:56:25,077 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 21:56:25,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 21:56:25,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:56:25,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 21:56:25,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-10 21:56:25,079 INFO L87 Difference]: Start difference. First operand 636 states and 846 transitions. Second operand has 11 states, 11 states have (on average 46.45454545454545) internal successors, (511), 10 states have internal predecessors, (511), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-10 21:56:25,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:56:25,766 INFO L93 Difference]: Finished difference Result 976 states and 1323 transitions. [2024-11-10 21:56:25,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 21:56:25,768 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 46.45454545454545) internal successors, (511), 10 states have internal predecessors, (511), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 193 [2024-11-10 21:56:25,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:56:25,773 INFO L225 Difference]: With dead ends: 976 [2024-11-10 21:56:25,774 INFO L226 Difference]: Without dead ends: 941 [2024-11-10 21:56:25,774 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 397 GetRequests, 388 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-10 21:56:25,775 INFO L432 NwaCegarLoop]: 417 mSDtfsCounter, 1192 mSDsluCounter, 1917 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1220 SdHoareTripleChecker+Valid, 2334 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 21:56:25,776 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1220 Valid, 2334 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 21:56:25,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2024-11-10 21:56:25,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 938. [2024-11-10 21:56:25,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 938 states, 903 states have (on average 1.317829457364341) internal successors, (1190), 917 states have internal predecessors, (1190), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-10 21:56:25,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1246 transitions. [2024-11-10 21:56:25,800 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1246 transitions. Word has length 193 [2024-11-10 21:56:25,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:56:25,801 INFO L471 AbstractCegarLoop]: Abstraction has 938 states and 1246 transitions. [2024-11-10 21:56:25,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 46.45454545454545) internal successors, (511), 10 states have internal predecessors, (511), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-10 21:56:25,801 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1246 transitions. [2024-11-10 21:56:25,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-10 21:56:25,803 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:56:25,803 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:56:25,824 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 21:56:26,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-10 21:56:26,004 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:56:26,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:56:26,005 INFO L85 PathProgramCache]: Analyzing trace with hash -734020793, now seen corresponding path program 1 times [2024-11-10 21:56:26,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:56:26,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929007266] [2024-11-10 21:56:26,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:56:26,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:56:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:26,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 21:56:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:26,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 21:56:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:26,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 21:56:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:26,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-10 21:56:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:26,933 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-10 21:56:26,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:56:26,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929007266] [2024-11-10 21:56:26,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929007266] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 21:56:26,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782877082] [2024-11-10 21:56:26,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:56:26,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:56:26,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:56:26,936 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 21:56:26,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 21:56:27,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:27,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 1043 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-10 21:56:27,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:56:27,627 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-10 21:56:27,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-10 21:56:28,510 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 21:56:28,511 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 21:56:28,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1782877082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:56:28,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 21:56:28,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [5] total 15 [2024-11-10 21:56:28,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520817169] [2024-11-10 21:56:28,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:56:28,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 21:56:28,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:56:28,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 21:56:28,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-11-10 21:56:28,513 INFO L87 Difference]: Start difference. First operand 938 states and 1246 transitions. Second operand has 12 states, 12 states have (on average 14.666666666666666) internal successors, (176), 12 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 21:56:31,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:56:31,549 INFO L93 Difference]: Finished difference Result 1834 states and 2447 transitions. [2024-11-10 21:56:31,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 21:56:31,550 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 14.666666666666666) internal successors, (176), 12 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 193 [2024-11-10 21:56:31,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:56:31,554 INFO L225 Difference]: With dead ends: 1834 [2024-11-10 21:56:31,554 INFO L226 Difference]: Without dead ends: 938 [2024-11-10 21:56:31,556 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=112, Invalid=394, Unknown=0, NotChecked=0, Total=506 [2024-11-10 21:56:31,557 INFO L432 NwaCegarLoop]: 452 mSDtfsCounter, 468 mSDsluCounter, 3182 mSDsCounter, 0 mSdLazyCounter, 1343 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 3634 SdHoareTripleChecker+Invalid, 1351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-10 21:56:31,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [473 Valid, 3634 Invalid, 1351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1343 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-10 21:56:31,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2024-11-10 21:56:31,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 938. [2024-11-10 21:56:31,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 938 states, 903 states have (on average 1.3167220376522701) internal successors, (1189), 917 states have internal predecessors, (1189), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-10 21:56:31,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1245 transitions. [2024-11-10 21:56:31,589 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1245 transitions. Word has length 193 [2024-11-10 21:56:31,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:56:31,589 INFO L471 AbstractCegarLoop]: Abstraction has 938 states and 1245 transitions. [2024-11-10 21:56:31,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.666666666666666) internal successors, (176), 12 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 21:56:31,590 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1245 transitions. [2024-11-10 21:56:31,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-10 21:56:31,592 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:56:31,592 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:56:31,614 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-10 21:56:31,796 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,SelfDestructingSolverStorable10 [2024-11-10 21:56:31,797 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:56:31,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:56:31,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1857412612, now seen corresponding path program 1 times [2024-11-10 21:56:31,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:56:31,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554319158] [2024-11-10 21:56:31,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:56:31,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:56:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:32,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 21:56:32,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:32,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 21:56:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:32,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-10 21:56:32,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:32,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 21:56:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:32,794 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-10 21:56:32,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:56:32,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554319158] [2024-11-10 21:56:32,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554319158] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 21:56:32,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574433926] [2024-11-10 21:56:32,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:56:32,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:56:32,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:56:32,796 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 21:56:32,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 21:56:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:33,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-10 21:56:33,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:56:33,527 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 21:56:33,528 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 21:56:33,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [574433926] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:56:33,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 21:56:33,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2024-11-10 21:56:33,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041562356] [2024-11-10 21:56:33,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:56:33,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 21:56:33,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:56:33,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 21:56:33,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-10 21:56:33,530 INFO L87 Difference]: Start difference. First operand 938 states and 1245 transitions. Second operand has 4 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 21:56:33,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:56:33,732 INFO L93 Difference]: Finished difference Result 1834 states and 2446 transitions. [2024-11-10 21:56:33,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 21:56:33,733 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 194 [2024-11-10 21:56:33,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:56:33,738 INFO L225 Difference]: With dead ends: 1834 [2024-11-10 21:56:33,738 INFO L226 Difference]: Without dead ends: 938 [2024-11-10 21:56:33,740 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-10 21:56:33,741 INFO L432 NwaCegarLoop]: 423 mSDtfsCounter, 13 mSDsluCounter, 733 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 1156 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 21:56:33,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 1156 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 21:56:33,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2024-11-10 21:56:33,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 938. [2024-11-10 21:56:33,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 938 states, 903 states have (on average 1.3133997785160576) internal successors, (1186), 917 states have internal predecessors, (1186), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-10 21:56:33,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1242 transitions. [2024-11-10 21:56:33,768 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1242 transitions. Word has length 194 [2024-11-10 21:56:33,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:56:33,768 INFO L471 AbstractCegarLoop]: Abstraction has 938 states and 1242 transitions. [2024-11-10 21:56:33,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 21:56:33,769 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1242 transitions. [2024-11-10 21:56:33,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-10 21:56:33,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:56:33,771 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:56:33,794 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 21:56:33,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:56:33,977 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)] === [2024-11-10 21:56:33,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:56:33,978 INFO L85 PathProgramCache]: Analyzing trace with hash 106456042, now seen corresponding path program 1 times [2024-11-10 21:56:33,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:56:33,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149951950] [2024-11-10 21:56:33,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:56:33,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:56:34,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:34,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 21:56:34,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:34,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 21:56:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:34,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-10 21:56:34,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:34,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 21:56:34,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:34,513 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 21:56:34,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:56:34,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149951950] [2024-11-10 21:56:34,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149951950] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:56:34,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:56:34,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 21:56:34,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259195078] [2024-11-10 21:56:34,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:56:34,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 21:56:34,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:56:34,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 21:56:34,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-10 21:56:34,515 INFO L87 Difference]: Start difference. First operand 938 states and 1242 transitions. Second operand has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 6 states have internal predecessors, (178), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 21:56:35,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:56:35,190 INFO L93 Difference]: Finished difference Result 1843 states and 2472 transitions. [2024-11-10 21:56:35,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 21:56:35,190 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 6 states have internal predecessors, (178), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 195 [2024-11-10 21:56:35,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:56:35,195 INFO L225 Difference]: With dead ends: 1843 [2024-11-10 21:56:35,195 INFO L226 Difference]: Without dead ends: 950 [2024-11-10 21:56:35,197 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-10 21:56:35,198 INFO L432 NwaCegarLoop]: 418 mSDtfsCounter, 10 mSDsluCounter, 1355 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 1773 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 21:56:35,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 1773 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 21:56:35,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2024-11-10 21:56:35,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 947. [2024-11-10 21:56:35,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 947 states, 912 states have (on average 1.3103070175438596) internal successors, (1195), 926 states have internal predecessors, (1195), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-10 21:56:35,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1251 transitions. [2024-11-10 21:56:35,226 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1251 transitions. Word has length 195 [2024-11-10 21:56:35,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:56:35,227 INFO L471 AbstractCegarLoop]: Abstraction has 947 states and 1251 transitions. [2024-11-10 21:56:35,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 6 states have internal predecessors, (178), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 21:56:35,227 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1251 transitions. [2024-11-10 21:56:35,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-10 21:56:35,229 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:56:35,229 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:56:35,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 21:56:35,229 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:56:35,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:56:35,230 INFO L85 PathProgramCache]: Analyzing trace with hash -977614906, now seen corresponding path program 1 times [2024-11-10 21:56:35,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:56:35,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253386913] [2024-11-10 21:56:35,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:56:35,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:56:35,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:35,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 21:56:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:35,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 21:56:35,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:35,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 21:56:35,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:35,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 21:56:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:35,968 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-10 21:56:35,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:56:35,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253386913] [2024-11-10 21:56:35,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253386913] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 21:56:35,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953830994] [2024-11-10 21:56:35,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:56:35,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:56:35,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:56:35,972 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 21:56:35,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 21:56:36,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:36,939 INFO L255 TraceCheckSpWp]: Trace formula consists of 1043 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-10 21:56:36,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:56:37,094 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 21:56:37,095 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 21:56:37,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953830994] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:56:37,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 21:56:37,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-11-10 21:56:37,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309836998] [2024-11-10 21:56:37,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:56:37,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 21:56:37,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:56:37,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 21:56:37,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-10 21:56:37,097 INFO L87 Difference]: Start difference. First operand 947 states and 1251 transitions. Second operand has 7 states, 7 states have (on average 26.0) internal successors, (182), 7 states have internal predecessors, (182), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 21:56:37,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:56:37,426 INFO L93 Difference]: Finished difference Result 1722 states and 2291 transitions. [2024-11-10 21:56:37,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 21:56:37,427 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.0) internal successors, (182), 7 states have internal predecessors, (182), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 196 [2024-11-10 21:56:37,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:56:37,431 INFO L225 Difference]: With dead ends: 1722 [2024-11-10 21:56:37,431 INFO L226 Difference]: Without dead ends: 962 [2024-11-10 21:56:37,433 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-10 21:56:37,433 INFO L432 NwaCegarLoop]: 419 mSDtfsCounter, 8 mSDsluCounter, 1471 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1890 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 21:56:37,434 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1890 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 21:56:37,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2024-11-10 21:56:37,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 959. [2024-11-10 21:56:37,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 959 states, 924 states have (on average 1.3062770562770563) internal successors, (1207), 938 states have internal predecessors, (1207), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-10 21:56:37,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 1263 transitions. [2024-11-10 21:56:37,458 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 1263 transitions. Word has length 196 [2024-11-10 21:56:37,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:56:37,459 INFO L471 AbstractCegarLoop]: Abstraction has 959 states and 1263 transitions. [2024-11-10 21:56:37,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.0) internal successors, (182), 7 states have internal predecessors, (182), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 21:56:37,459 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1263 transitions. [2024-11-10 21:56:37,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-10 21:56:37,461 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:56:37,461 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:56:37,484 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 21:56:37,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:56:37,662 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:56:37,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:56:37,663 INFO L85 PathProgramCache]: Analyzing trace with hash -815157072, now seen corresponding path program 1 times [2024-11-10 21:56:37,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:56:37,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347805108] [2024-11-10 21:56:37,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:56:37,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:56:37,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:38,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 21:56:38,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:38,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 21:56:38,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:38,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 21:56:38,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:38,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 21:56:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:38,206 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 21:56:38,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:56:38,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347805108] [2024-11-10 21:56:38,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347805108] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:56:38,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:56:38,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 21:56:38,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426333812] [2024-11-10 21:56:38,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:56:38,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 21:56:38,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:56:38,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 21:56:38,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-10 21:56:38,211 INFO L87 Difference]: Start difference. First operand 959 states and 1263 transitions. Second operand has 8 states, 8 states have (on average 22.5) internal successors, (180), 7 states have internal predecessors, (180), 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) [2024-11-10 21:56:39,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:56:39,261 INFO L93 Difference]: Finished difference Result 1735 states and 2316 transitions. [2024-11-10 21:56:39,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 21:56:39,262 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.5) internal successors, (180), 7 states have internal predecessors, (180), 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 197 [2024-11-10 21:56:39,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:56:39,270 INFO L225 Difference]: With dead ends: 1735 [2024-11-10 21:56:39,270 INFO L226 Difference]: Without dead ends: 977 [2024-11-10 21:56:39,273 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-10 21:56:39,274 INFO L432 NwaCegarLoop]: 409 mSDtfsCounter, 16 mSDsluCounter, 2009 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 2418 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 21:56:39,274 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 2418 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 716 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 21:56:39,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2024-11-10 21:56:39,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 971. [2024-11-10 21:56:39,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 971 states, 936 states have (on average 1.3055555555555556) internal successors, (1222), 950 states have internal predecessors, (1222), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-10 21:56:39,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 1278 transitions. [2024-11-10 21:56:39,298 INFO L78 Accepts]: Start accepts. Automaton has 971 states and 1278 transitions. Word has length 197 [2024-11-10 21:56:39,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:56:39,299 INFO L471 AbstractCegarLoop]: Abstraction has 971 states and 1278 transitions. [2024-11-10 21:56:39,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.5) internal successors, (180), 7 states have internal predecessors, (180), 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) [2024-11-10 21:56:39,300 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1278 transitions. [2024-11-10 21:56:39,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-10 21:56:39,301 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:56:39,302 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:56:39,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 21:56:39,302 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:56:39,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:56:39,302 INFO L85 PathProgramCache]: Analyzing trace with hash 712892227, now seen corresponding path program 1 times [2024-11-10 21:56:39,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:56:39,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928376504] [2024-11-10 21:56:39,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:56:39,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:56:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:39,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 21:56:39,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:39,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 21:56:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:39,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 21:56:39,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:39,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-10 21:56:39,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:39,822 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 21:56:39,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:56:39,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928376504] [2024-11-10 21:56:39,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928376504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:56:39,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:56:39,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 21:56:39,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175599352] [2024-11-10 21:56:39,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:56:39,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 21:56:39,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:56:39,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 21:56:39,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-10 21:56:39,828 INFO L87 Difference]: Start difference. First operand 971 states and 1278 transitions. Second operand has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 6 states have internal predecessors, (181), 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) [2024-11-10 21:56:40,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:56:40,540 INFO L93 Difference]: Finished difference Result 1756 states and 2343 transitions. [2024-11-10 21:56:40,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 21:56:40,541 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 6 states have internal predecessors, (181), 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 198 [2024-11-10 21:56:40,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:56:40,546 INFO L225 Difference]: With dead ends: 1756 [2024-11-10 21:56:40,546 INFO L226 Difference]: Without dead ends: 983 [2024-11-10 21:56:40,547 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-10 21:56:40,548 INFO L432 NwaCegarLoop]: 419 mSDtfsCounter, 10 mSDsluCounter, 1678 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 2097 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 21:56:40,548 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 2097 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 21:56:40,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 983 states. [2024-11-10 21:56:40,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 983 to 980. [2024-11-10 21:56:40,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 980 states, 945 states have (on average 1.3026455026455026) internal successors, (1231), 959 states have internal predecessors, (1231), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-10 21:56:40,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 1287 transitions. [2024-11-10 21:56:40,579 INFO L78 Accepts]: Start accepts. Automaton has 980 states and 1287 transitions. Word has length 198 [2024-11-10 21:56:40,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:56:40,582 INFO L471 AbstractCegarLoop]: Abstraction has 980 states and 1287 transitions. [2024-11-10 21:56:40,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 6 states have internal predecessors, (181), 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) [2024-11-10 21:56:40,582 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1287 transitions. [2024-11-10 21:56:40,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-10 21:56:40,585 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:56:40,585 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:56:40,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 21:56:40,586 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)] === [2024-11-10 21:56:40,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:56:40,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1435500127, now seen corresponding path program 1 times [2024-11-10 21:56:40,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:56:40,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687720329] [2024-11-10 21:56:40,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:56:40,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:56:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:41,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 21:56:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:41,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 21:56:41,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:41,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 21:56:41,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:41,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-10 21:56:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:41,357 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 21:56:41,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:56:41,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687720329] [2024-11-10 21:56:41,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687720329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:56:41,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:56:41,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 21:56:41,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788094464] [2024-11-10 21:56:41,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:56:41,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 21:56:41,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:56:41,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 21:56:41,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-10 21:56:41,360 INFO L87 Difference]: Start difference. First operand 980 states and 1287 transitions. Second operand has 10 states, 10 states have (on average 18.1) internal successors, (181), 9 states have internal predecessors, (181), 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) [2024-11-10 21:56:42,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:56:42,366 INFO L93 Difference]: Finished difference Result 1793 states and 2389 transitions. [2024-11-10 21:56:42,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 21:56:42,367 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 18.1) internal successors, (181), 9 states have internal predecessors, (181), 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 198 [2024-11-10 21:56:42,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:56:42,371 INFO L225 Difference]: With dead ends: 1793 [2024-11-10 21:56:42,371 INFO L226 Difference]: Without dead ends: 1016 [2024-11-10 21:56:42,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-10 21:56:42,372 INFO L432 NwaCegarLoop]: 417 mSDtfsCounter, 35 mSDsluCounter, 2773 mSDsCounter, 0 mSdLazyCounter, 966 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 3190 SdHoareTripleChecker+Invalid, 983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 21:56:42,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 3190 Invalid, 983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 966 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 21:56:42,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1016 states. [2024-11-10 21:56:42,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1016 to 1004. [2024-11-10 21:56:42,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1004 states, 969 states have (on average 1.301341589267286) internal successors, (1261), 983 states have internal predecessors, (1261), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-10 21:56:42,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1317 transitions. [2024-11-10 21:56:42,396 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1317 transitions. Word has length 198 [2024-11-10 21:56:42,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:56:42,397 INFO L471 AbstractCegarLoop]: Abstraction has 1004 states and 1317 transitions. [2024-11-10 21:56:42,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.1) internal successors, (181), 9 states have internal predecessors, (181), 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) [2024-11-10 21:56:42,397 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1317 transitions. [2024-11-10 21:56:42,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-10 21:56:42,399 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:56:42,399 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:56:42,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 21:56:42,400 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)] === [2024-11-10 21:56:42,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:56:42,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1320579383, now seen corresponding path program 1 times [2024-11-10 21:56:42,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:56:42,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720515816] [2024-11-10 21:56:42,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:56:42,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:56:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:43,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 21:56:43,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:43,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 21:56:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:43,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 21:56:43,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:43,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-10 21:56:43,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:43,149 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-10 21:56:43,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:56:43,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720515816] [2024-11-10 21:56:43,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720515816] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 21:56:43,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375450446] [2024-11-10 21:56:43,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:56:43,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:56:43,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:56:43,151 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 21:56:43,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 21:56:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:43,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 1043 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 21:56:43,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:56:44,189 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 21:56:44,190 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 21:56:44,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375450446] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:56:44,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 21:56:44,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-11-10 21:56:44,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526891096] [2024-11-10 21:56:44,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:56:44,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 21:56:44,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:56:44,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 21:56:44,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-10 21:56:44,192 INFO L87 Difference]: Start difference. First operand 1004 states and 1317 transitions. Second operand has 7 states, 7 states have (on average 26.0) internal successors, (182), 7 states have internal predecessors, (182), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 21:56:44,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:56:44,564 INFO L93 Difference]: Finished difference Result 1968 states and 2596 transitions. [2024-11-10 21:56:44,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 21:56:44,565 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.0) internal successors, (182), 7 states have internal predecessors, (182), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 199 [2024-11-10 21:56:44,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:56:44,569 INFO L225 Difference]: With dead ends: 1968 [2024-11-10 21:56:44,569 INFO L226 Difference]: Without dead ends: 1019 [2024-11-10 21:56:44,571 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-10 21:56:44,571 INFO L432 NwaCegarLoop]: 413 mSDtfsCounter, 8 mSDsluCounter, 1781 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2194 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 21:56:44,572 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2194 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 21:56:44,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1019 states. [2024-11-10 21:56:44,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1019 to 1016. [2024-11-10 21:56:44,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1016 states, 981 states have (on average 1.3007135575942916) internal successors, (1276), 995 states have internal predecessors, (1276), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-10 21:56:44,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 1016 states and 1332 transitions. [2024-11-10 21:56:44,597 INFO L78 Accepts]: Start accepts. Automaton has 1016 states and 1332 transitions. Word has length 199 [2024-11-10 21:56:44,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:56:44,598 INFO L471 AbstractCegarLoop]: Abstraction has 1016 states and 1332 transitions. [2024-11-10 21:56:44,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.0) internal successors, (182), 7 states have internal predecessors, (182), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 21:56:44,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1332 transitions. [2024-11-10 21:56:44,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-10 21:56:44,600 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:56:44,601 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:56:44,623 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-10 21:56:44,801 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,SelfDestructingSolverStorable17 [2024-11-10 21:56:44,801 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)] === [2024-11-10 21:56:44,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:56:44,802 INFO L85 PathProgramCache]: Analyzing trace with hash -2032483267, now seen corresponding path program 1 times [2024-11-10 21:56:44,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:56:44,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478301947] [2024-11-10 21:56:44,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:56:44,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:56:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:45,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 21:56:45,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:45,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 21:56:45,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:45,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 21:56:45,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:45,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-10 21:56:45,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:45,220 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 21:56:45,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:56:45,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478301947] [2024-11-10 21:56:45,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478301947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:56:45,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:56:45,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 21:56:45,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910180412] [2024-11-10 21:56:45,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:56:45,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 21:56:45,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:56:45,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 21:56:45,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-10 21:56:45,223 INFO L87 Difference]: Start difference. First operand 1016 states and 1332 transitions. Second operand has 8 states, 8 states have (on average 22.75) internal successors, (182), 7 states have internal predecessors, (182), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 21:56:45,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:56:45,969 INFO L93 Difference]: Finished difference Result 1991 states and 2642 transitions. [2024-11-10 21:56:45,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 21:56:45,970 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.75) internal successors, (182), 7 states have internal predecessors, (182), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 199 [2024-11-10 21:56:45,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:56:45,975 INFO L225 Difference]: With dead ends: 1991 [2024-11-10 21:56:45,975 INFO L226 Difference]: Without dead ends: 1034 [2024-11-10 21:56:45,977 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-10 21:56:45,977 INFO L432 NwaCegarLoop]: 414 mSDtfsCounter, 14 mSDsluCounter, 2015 mSDsCounter, 0 mSdLazyCounter, 743 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 2429 SdHoareTripleChecker+Invalid, 760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 21:56:45,977 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 2429 Invalid, 760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 743 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 21:56:45,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2024-11-10 21:56:46,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 1016. [2024-11-10 21:56:46,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1016 states, 981 states have (on average 1.3007135575942916) internal successors, (1276), 995 states have internal predecessors, (1276), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-10 21:56:46,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 1016 states and 1332 transitions. [2024-11-10 21:56:46,005 INFO L78 Accepts]: Start accepts. Automaton has 1016 states and 1332 transitions. Word has length 199 [2024-11-10 21:56:46,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:56:46,005 INFO L471 AbstractCegarLoop]: Abstraction has 1016 states and 1332 transitions. [2024-11-10 21:56:46,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.75) internal successors, (182), 7 states have internal predecessors, (182), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 21:56:46,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1332 transitions. [2024-11-10 21:56:46,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-10 21:56:46,007 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:56:46,007 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:56:46,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 21:56:46,008 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:56:46,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:56:46,009 INFO L85 PathProgramCache]: Analyzing trace with hash -460571086, now seen corresponding path program 1 times [2024-11-10 21:56:46,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:56:46,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919383731] [2024-11-10 21:56:46,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:56:46,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:56:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:46,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 21:56:46,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:46,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-10 21:56:46,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:46,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-10 21:56:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:46,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 21:56:46,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:46,709 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-10 21:56:46,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:56:46,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919383731] [2024-11-10 21:56:46,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919383731] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 21:56:46,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1771635371] [2024-11-10 21:56:46,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:56:46,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:56:46,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:56:46,711 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 21:56:46,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 21:56:47,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:47,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-10 21:56:47,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:56:47,594 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 21:56:47,594 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 21:56:47,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1771635371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:56:47,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 21:56:47,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2024-11-10 21:56:47,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401411865] [2024-11-10 21:56:47,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:56:47,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 21:56:47,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:56:47,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 21:56:47,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-10 21:56:47,601 INFO L87 Difference]: Start difference. First operand 1016 states and 1332 transitions. Second operand has 8 states, 8 states have (on average 22.875) internal successors, (183), 8 states have internal predecessors, (183), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 21:56:48,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:56:48,883 INFO L93 Difference]: Finished difference Result 1998 states and 2631 transitions. [2024-11-10 21:56:48,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 21:56:48,883 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.875) internal successors, (183), 8 states have internal predecessors, (183), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 200 [2024-11-10 21:56:48,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:56:48,888 INFO L225 Difference]: With dead ends: 1998 [2024-11-10 21:56:48,888 INFO L226 Difference]: Without dead ends: 1046 [2024-11-10 21:56:48,890 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-10 21:56:48,891 INFO L432 NwaCegarLoop]: 412 mSDtfsCounter, 13 mSDsluCounter, 2151 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 2563 SdHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-10 21:56:48,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2563 Invalid, 587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-10 21:56:48,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1046 states. [2024-11-10 21:56:48,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1046 to 1031. [2024-11-10 21:56:48,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1031 states, 996 states have (on average 1.2991967871485943) internal successors, (1294), 1010 states have internal predecessors, (1294), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-10 21:56:48,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 1031 states and 1350 transitions. [2024-11-10 21:56:48,924 INFO L78 Accepts]: Start accepts. Automaton has 1031 states and 1350 transitions. Word has length 200 [2024-11-10 21:56:48,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:56:48,924 INFO L471 AbstractCegarLoop]: Abstraction has 1031 states and 1350 transitions. [2024-11-10 21:56:48,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.875) internal successors, (183), 8 states have internal predecessors, (183), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 21:56:48,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1350 transitions. [2024-11-10 21:56:48,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-10 21:56:48,927 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:56:48,927 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:56:48,950 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 21:56:49,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:56:49,132 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:56:49,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:56:49,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1326298132, now seen corresponding path program 1 times [2024-11-10 21:56:49,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:56:49,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608850816] [2024-11-10 21:56:49,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:56:49,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:56:49,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:49,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 21:56:49,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:49,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-10 21:56:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:49,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-10 21:56:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:49,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 21:56:49,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:49,684 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 21:56:49,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:56:49,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608850816] [2024-11-10 21:56:49,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608850816] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:56:49,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:56:49,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 21:56:49,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772394217] [2024-11-10 21:56:49,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:56:49,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 21:56:49,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:56:49,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 21:56:49,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-10 21:56:49,688 INFO L87 Difference]: Start difference. First operand 1031 states and 1350 transitions. Second operand has 10 states, 10 states have (on average 18.3) internal successors, (183), 9 states have internal predecessors, (183), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 21:56:50,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:56:50,321 INFO L93 Difference]: Finished difference Result 2026 states and 2682 transitions. [2024-11-10 21:56:50,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 21:56:50,321 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 18.3) internal successors, (183), 9 states have internal predecessors, (183), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 200 [2024-11-10 21:56:50,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:56:50,325 INFO L225 Difference]: With dead ends: 2026 [2024-11-10 21:56:50,325 INFO L226 Difference]: Without dead ends: 1064 [2024-11-10 21:56:50,327 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-10 21:56:50,327 INFO L432 NwaCegarLoop]: 418 mSDtfsCounter, 22 mSDsluCounter, 2115 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 2533 SdHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 21:56:50,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 2533 Invalid, 765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 21:56:50,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states. [2024-11-10 21:56:50,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 1052. [2024-11-10 21:56:50,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1052 states, 1017 states have (on average 1.2989183874139627) internal successors, (1321), 1031 states have internal predecessors, (1321), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-10 21:56:50,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1377 transitions. [2024-11-10 21:56:50,352 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1377 transitions. Word has length 200 [2024-11-10 21:56:50,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:56:50,352 INFO L471 AbstractCegarLoop]: Abstraction has 1052 states and 1377 transitions. [2024-11-10 21:56:50,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.3) internal successors, (183), 9 states have internal predecessors, (183), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 21:56:50,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1377 transitions. [2024-11-10 21:56:50,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-10 21:56:50,355 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:56:50,355 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:56:50,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-10 21:56:50,355 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:56:50,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:56:50,356 INFO L85 PathProgramCache]: Analyzing trace with hash 22587120, now seen corresponding path program 1 times [2024-11-10 21:56:50,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:56:50,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100435040] [2024-11-10 21:56:50,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:56:50,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:56:50,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:50,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 21:56:50,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:50,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-10 21:56:50,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:50,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 21:56:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:50,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 21:56:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:50,992 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-10 21:56:50,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:56:50,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100435040] [2024-11-10 21:56:50,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100435040] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 21:56:50,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1602616116] [2024-11-10 21:56:50,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:56:50,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:56:50,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:56:50,995 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 21:56:50,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 21:56:53,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:53,062 INFO L255 TraceCheckSpWp]: Trace formula consists of 1045 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 21:56:53,066 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:56:53,084 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-10 21:56:53,087 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 21:56:53,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1602616116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:56:53,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 21:56:53,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2024-11-10 21:56:53,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633663166] [2024-11-10 21:56:53,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:56:53,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 21:56:53,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:56:53,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 21:56:53,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 21:56:53,089 INFO L87 Difference]: Start difference. First operand 1052 states and 1377 transitions. Second operand has 4 states, 4 states have (on average 47.5) internal successors, (190), 4 states have internal predecessors, (190), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 21:56:53,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:56:53,182 INFO L93 Difference]: Finished difference Result 1996 states and 2634 transitions. [2024-11-10 21:56:53,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 21:56:53,185 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 47.5) internal successors, (190), 4 states have internal predecessors, (190), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 201 [2024-11-10 21:56:53,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:56:53,189 INFO L225 Difference]: With dead ends: 1996 [2024-11-10 21:56:53,189 INFO L226 Difference]: Without dead ends: 1055 [2024-11-10 21:56:53,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 21:56:53,191 INFO L432 NwaCegarLoop]: 426 mSDtfsCounter, 0 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1271 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 21:56:53,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1271 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 21:56:53,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2024-11-10 21:56:53,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 1055. [2024-11-10 21:56:53,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1055 states, 1019 states have (on average 1.2993130520117762) internal successors, (1324), 1034 states have internal predecessors, (1324), 28 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (34), 19 states have call predecessors, (34), 28 states have call successors, (34) [2024-11-10 21:56:53,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1386 transitions. [2024-11-10 21:56:53,215 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1386 transitions. Word has length 201 [2024-11-10 21:56:53,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:56:53,215 INFO L471 AbstractCegarLoop]: Abstraction has 1055 states and 1386 transitions. [2024-11-10 21:56:53,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.5) internal successors, (190), 4 states have internal predecessors, (190), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 21:56:53,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1386 transitions. [2024-11-10 21:56:53,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-10 21:56:53,217 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:56:53,217 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:56:53,254 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-10 21:56:53,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:56:53,418 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:56:53,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:56:53,418 INFO L85 PathProgramCache]: Analyzing trace with hash -535706184, now seen corresponding path program 1 times [2024-11-10 21:56:53,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:56:53,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815228841] [2024-11-10 21:56:53,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:56:53,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:56:53,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:54,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 21:56:54,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:54,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 21:56:54,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:54,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 21:56:54,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:54,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-10 21:56:54,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:54,313 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-10 21:56:54,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:56:54,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815228841] [2024-11-10 21:56:54,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815228841] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 21:56:54,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [23304494] [2024-11-10 21:56:54,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:56:54,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:56:54,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:56:54,316 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 21:56:54,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 21:56:55,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:56:55,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 1105 conjuncts, 156 conjuncts are in the unsatisfiable core [2024-11-10 21:56:55,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:56:55,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-10 21:56:55,599 INFO L349 Elim1Store]: treesize reduction 32, result has 30.4 percent of original size [2024-11-10 21:56:55,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 20 [2024-11-10 21:56:55,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-10 21:56:55,612 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-10 21:56:55,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-11-10 21:56:55,720 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-10 21:56:55,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 38 [2024-11-10 21:56:55,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1