./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive-simple/id_i20_o20-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/recursive-simple/id_i20_o20-1.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/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) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', 'c3376ee309c42e8280cfc81381fd928e4a895fffc424cbfa81d01112976a2d85'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/id_i20_o20-1.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 c3376ee309c42e8280cfc81381fd928e4a895fffc424cbfa81d01112976a2d85 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 20:55:00,214 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 20:55:00,280 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 20:55:00,284 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 20:55:00,285 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 20:55:00,308 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 20:55:00,309 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 20:55:00,309 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 20:55:00,309 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 20:55:00,309 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 20:55:00,309 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 20:55:00,309 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 20:55:00,310 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 20:55:00,310 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 20:55:00,310 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 20:55:00,310 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 20:55:00,310 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 20:55:00,310 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 20:55:00,310 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 20:55:00,310 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 20:55:00,310 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 20:55:00,311 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 20:55:00,311 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 20:55:00,311 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 20:55:00,311 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 20:55:00,311 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 20:55:00,311 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 20:55:00,311 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 20:55:00,311 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 20:55:00,311 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 20:55:00,311 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 20:55:00,311 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 20:55:00,311 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 20:55:00,311 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 20:55:00,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:55:00,311 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 20:55:00,312 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 20:55:00,312 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 20:55:00,312 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 20:55:00,312 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 20:55:00,312 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 20:55:00,312 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 20:55:00,312 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 20:55:00,312 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 20:55:00,312 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> c3376ee309c42e8280cfc81381fd928e4a895fffc424cbfa81d01112976a2d85 [2024-11-07 20:55:00,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 20:55:00,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 20:55:00,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 20:55:00,661 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 20:55:00,662 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 20:55:00,663 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_i20_o20-1.c [2024-11-07 20:55:01,915 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 20:55:02,119 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 20:55:02,120 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i20_o20-1.c [2024-11-07 20:55:02,125 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a373dfb48/8fb6ee496c7e4434a57ee980771f0170/FLAGf5e2eefdc [2024-11-07 20:55:02,141 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a373dfb48/8fb6ee496c7e4434a57ee980771f0170 [2024-11-07 20:55:02,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 20:55:02,146 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 20:55:02,147 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 20:55:02,147 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 20:55:02,151 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 20:55:02,152 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:55:02" (1/1) ... [2024-11-07 20:55:02,154 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@399868c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:55:02, skipping insertion in model container [2024-11-07 20:55:02,154 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:55:02" (1/1) ... [2024-11-07 20:55:02,167 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 20:55:02,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:55:02,289 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 20:55:02,301 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:55:02,311 INFO L204 MainTranslator]: Completed translation [2024-11-07 20:55:02,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:55:02 WrapperNode [2024-11-07 20:55:02,311 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 20:55:02,312 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 20:55:02,312 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 20:55:02,312 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 20:55:02,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:55:02" (1/1) ... [2024-11-07 20:55:02,324 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:55:02" (1/1) ... [2024-11-07 20:55:02,338 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 19 [2024-11-07 20:55:02,338 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 20:55:02,339 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 20:55:02,339 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 20:55:02,339 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 20:55:02,347 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:55:02" (1/1) ... [2024-11-07 20:55:02,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:55:02" (1/1) ... [2024-11-07 20:55:02,349 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:55:02" (1/1) ... [2024-11-07 20:55:02,361 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 20:55:02,361 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:55:02" (1/1) ... [2024-11-07 20:55:02,364 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:55:02" (1/1) ... [2024-11-07 20:55:02,366 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:55:02" (1/1) ... [2024-11-07 20:55:02,367 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:55:02" (1/1) ... [2024-11-07 20:55:02,367 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:55:02" (1/1) ... [2024-11-07 20:55:02,368 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:55:02" (1/1) ... [2024-11-07 20:55:02,370 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 20:55:02,371 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 20:55:02,372 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 20:55:02,372 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 20:55:02,372 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:55:02" (1/1) ... [2024-11-07 20:55:02,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:55:02,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:55:02,402 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 20:55:02,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 20:55:02,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 20:55:02,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 20:55:02,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 20:55:02,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 20:55:02,429 INFO L130 BoogieDeclarations]: Found specification of procedure id [2024-11-07 20:55:02,429 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2024-11-07 20:55:02,485 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 20:55:02,487 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 20:55:02,597 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-07 20:55:02,599 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 20:55:02,607 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 20:55:02,608 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 20:55:02,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:55:02 BoogieIcfgContainer [2024-11-07 20:55:02,609 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 20:55:02,612 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 20:55:02,613 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 20:55:02,618 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 20:55:02,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:55:02" (1/3) ... [2024-11-07 20:55:02,619 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d004730 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:55:02, skipping insertion in model container [2024-11-07 20:55:02,620 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:55:02" (2/3) ... [2024-11-07 20:55:02,620 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d004730 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:55:02, skipping insertion in model container [2024-11-07 20:55:02,620 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:55:02" (3/3) ... [2024-11-07 20:55:02,621 INFO L112 eAbstractionObserver]: Analyzing ICFG id_i20_o20-1.c [2024-11-07 20:55:02,635 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 20:55:02,635 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-07 20:55:02,684 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 20:55:02,697 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;@4195d89f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 20:55:02,697 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-07 20:55:02,702 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 16 states have (on average 1.375) internal successors, (22), 20 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:55:02,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-07 20:55:02,708 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:55:02,709 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-07 20:55:02,710 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-07 20:55:02,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:55:02,715 INFO L85 PathProgramCache]: Analyzing trace with hash 890350836, now seen corresponding path program 1 times [2024-11-07 20:55:02,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:55:02,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602765084] [2024-11-07 20:55:02,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:55:02,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:55:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:02,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:55:02,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:55:02,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602765084] [2024-11-07 20:55:02,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602765084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:55:02,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:55:02,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:55:02,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323596848] [2024-11-07 20:55:02,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:55:02,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:55:02,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:55:02,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:55:02,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:55:02,965 INFO L87 Difference]: Start difference. First operand has 24 states, 16 states have (on average 1.375) internal successors, (22), 20 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:55:03,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:55:03,067 INFO L93 Difference]: Finished difference Result 46 states and 49 transitions. [2024-11-07 20:55:03,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:55:03,071 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-07 20:55:03,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:55:03,077 INFO L225 Difference]: With dead ends: 46 [2024-11-07 20:55:03,077 INFO L226 Difference]: Without dead ends: 28 [2024-11-07 20:55:03,080 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:55:03,082 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 22 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:55:03,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 67 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:55:03,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-07 20:55:03,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25. [2024-11-07 20:55:03,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.411764705882353) internal successors, (24), 20 states have internal predecessors, (24), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:55:03,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2024-11-07 20:55:03,119 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 6 [2024-11-07 20:55:03,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:55:03,119 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2024-11-07 20:55:03,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:55:03,120 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2024-11-07 20:55:03,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-07 20:55:03,122 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:55:03,122 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:55:03,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 20:55:03,122 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-07 20:55:03,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:55:03,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1831072195, now seen corresponding path program 1 times [2024-11-07 20:55:03,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:55:03,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605003306] [2024-11-07 20:55:03,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:55:03,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:55:03,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:03,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:55:03,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:55:03,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605003306] [2024-11-07 20:55:03,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605003306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:55:03,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:55:03,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:55:03,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734555910] [2024-11-07 20:55:03,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:55:03,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:55:03,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:55:03,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:55:03,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:55:03,190 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:55:03,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:55:03,236 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2024-11-07 20:55:03,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:55:03,236 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-07 20:55:03,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:55:03,238 INFO L225 Difference]: With dead ends: 27 [2024-11-07 20:55:03,238 INFO L226 Difference]: Without dead ends: 26 [2024-11-07 20:55:03,239 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:55:03,239 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 19 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:55:03,240 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 26 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:55:03,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-11-07 20:55:03,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2024-11-07 20:55:03,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:55:03,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2024-11-07 20:55:03,247 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 7 [2024-11-07 20:55:03,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:55:03,247 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2024-11-07 20:55:03,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:55:03,247 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2024-11-07 20:55:03,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-07 20:55:03,248 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:55:03,248 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:55:03,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 20:55:03,248 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-07 20:55:03,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:55:03,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1922931507, now seen corresponding path program 1 times [2024-11-07 20:55:03,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:55:03,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759972063] [2024-11-07 20:55:03,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:55:03,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:55:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:03,355 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:55:03,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:55:03,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759972063] [2024-11-07 20:55:03,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759972063] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:55:03,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560525513] [2024-11-07 20:55:03,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:55:03,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:55:03,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:55:03,358 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:55:03,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 20:55:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:03,408 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 20:55:03,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:55:03,467 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:55:03,467 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:55:03,570 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:55:03,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560525513] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:55:03,571 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:55:03,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-07 20:55:03,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338684142] [2024-11-07 20:55:03,571 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:55:03,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 20:55:03,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:55:03,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 20:55:03,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:55:03,572 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand has 12 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:55:03,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:55:03,735 INFO L93 Difference]: Finished difference Result 76 states and 82 transitions. [2024-11-07 20:55:03,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 20:55:03,736 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-07 20:55:03,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:55:03,737 INFO L225 Difference]: With dead ends: 76 [2024-11-07 20:55:03,737 INFO L226 Difference]: Without dead ends: 68 [2024-11-07 20:55:03,737 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-11-07 20:55:03,738 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 99 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:55:03,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 95 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:55:03,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-11-07 20:55:03,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 54. [2024-11-07 20:55:03,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 43 states have internal predecessors, (54), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-07 20:55:03,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 65 transitions. [2024-11-07 20:55:03,747 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 65 transitions. Word has length 11 [2024-11-07 20:55:03,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:55:03,748 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 65 transitions. [2024-11-07 20:55:03,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:55:03,748 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 65 transitions. [2024-11-07 20:55:03,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-07 20:55:03,748 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:55:03,748 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:55:03,765 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-07 20:55:03,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:55:03,953 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-07 20:55:03,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:55:03,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1856245274, now seen corresponding path program 1 times [2024-11-07 20:55:03,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:55:03,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934545746] [2024-11-07 20:55:03,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:55:03,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:55:03,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:04,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 20:55:04,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:04,069 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-07 20:55:04,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:55:04,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934545746] [2024-11-07 20:55:04,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934545746] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:55:04,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:55:04,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:55:04,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404826863] [2024-11-07 20:55:04,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:55:04,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:55:04,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:55:04,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:55:04,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:55:04,072 INFO L87 Difference]: Start difference. First operand 54 states and 65 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:55:04,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:55:04,094 INFO L93 Difference]: Finished difference Result 74 states and 92 transitions. [2024-11-07 20:55:04,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:55:04,097 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2024-11-07 20:55:04,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:55:04,098 INFO L225 Difference]: With dead ends: 74 [2024-11-07 20:55:04,098 INFO L226 Difference]: Without dead ends: 72 [2024-11-07 20:55:04,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:55:04,099 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 1 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:55:04,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 39 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:55:04,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-07 20:55:04,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-07 20:55:04,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 56 states have (on average 1.2321428571428572) internal successors, (69), 57 states have internal predecessors, (69), 6 states have call successors, (6), 5 states have call predecessors, (6), 7 states have return successors, (9), 9 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-07 20:55:04,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 84 transitions. [2024-11-07 20:55:04,134 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 84 transitions. Word has length 19 [2024-11-07 20:55:04,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:55:04,134 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 84 transitions. [2024-11-07 20:55:04,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:55:04,134 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 84 transitions. [2024-11-07 20:55:04,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-07 20:55:04,135 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:55:04,135 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:55:04,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 20:55:04,135 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-07 20:55:04,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:55:04,136 INFO L85 PathProgramCache]: Analyzing trace with hash -614066819, now seen corresponding path program 1 times [2024-11-07 20:55:04,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:55:04,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269127972] [2024-11-07 20:55:04,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:55:04,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:55:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:04,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:55:04,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:04,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:04,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:04,197 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:55:04,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:55:04,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269127972] [2024-11-07 20:55:04,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269127972] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:55:04,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:55:04,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:55:04,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738652580] [2024-11-07 20:55:04,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:55:04,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:55:04,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:55:04,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:55:04,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:55:04,199 INFO L87 Difference]: Start difference. First operand 72 states and 84 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:55:04,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:55:04,213 INFO L93 Difference]: Finished difference Result 72 states and 84 transitions. [2024-11-07 20:55:04,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:55:04,215 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2024-11-07 20:55:04,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:55:04,215 INFO L225 Difference]: With dead ends: 72 [2024-11-07 20:55:04,215 INFO L226 Difference]: Without dead ends: 71 [2024-11-07 20:55:04,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:55:04,216 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 1 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:55:04,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 25 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:55:04,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-07 20:55:04,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-11-07 20:55:04,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 56 states have (on average 1.1428571428571428) internal successors, (64), 56 states have internal predecessors, (64), 6 states have call successors, (6), 5 states have call predecessors, (6), 7 states have return successors, (9), 9 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-07 20:55:04,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 79 transitions. [2024-11-07 20:55:04,238 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 79 transitions. Word has length 24 [2024-11-07 20:55:04,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:55:04,238 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 79 transitions. [2024-11-07 20:55:04,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:55:04,238 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2024-11-07 20:55:04,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-07 20:55:04,239 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:55:04,239 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 1, 1, 1, 1] [2024-11-07 20:55:04,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 20:55:04,239 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-07 20:55:04,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:55:04,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1990585420, now seen corresponding path program 2 times [2024-11-07 20:55:04,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:55:04,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657682340] [2024-11-07 20:55:04,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:55:04,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:55:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:04,434 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:55:04,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:55:04,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657682340] [2024-11-07 20:55:04,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657682340] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:55:04,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1937585755] [2024-11-07 20:55:04,435 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:55:04,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:55:04,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:55:04,441 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:55:04,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-07 20:55:04,495 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:55:04,495 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:55:04,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-07 20:55:04,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:55:04,549 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:55:04,550 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:55:04,779 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:55:04,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1937585755] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:55:04,779 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:55:04,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-11-07 20:55:04,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939093471] [2024-11-07 20:55:04,779 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:55:04,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-07 20:55:04,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:55:04,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-07 20:55:04,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2024-11-07 20:55:04,781 INFO L87 Difference]: Start difference. First operand 71 states and 79 transitions. Second operand has 24 states, 21 states have (on average 1.9523809523809523) internal successors, (41), 14 states have internal predecessors, (41), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:55:05,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:55:05,148 INFO L93 Difference]: Finished difference Result 188 states and 204 transitions. [2024-11-07 20:55:05,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-07 20:55:05,148 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 21 states have (on average 1.9523809523809523) internal successors, (41), 14 states have internal predecessors, (41), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2024-11-07 20:55:05,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:55:05,150 INFO L225 Difference]: With dead ends: 188 [2024-11-07 20:55:05,150 INFO L226 Difference]: Without dead ends: 156 [2024-11-07 20:55:05,153 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=311, Invalid=811, Unknown=0, NotChecked=0, Total=1122 [2024-11-07 20:55:05,153 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 272 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:55:05,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 201 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:55:05,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-07 20:55:05,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 146. [2024-11-07 20:55:05,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 116 states have (on average 1.146551724137931) internal successors, (133), 116 states have internal predecessors, (133), 12 states have call successors, (12), 11 states have call predecessors, (12), 16 states have return successors, (18), 18 states have call predecessors, (18), 11 states have call successors, (18) [2024-11-07 20:55:05,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 163 transitions. [2024-11-07 20:55:05,176 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 163 transitions. Word has length 26 [2024-11-07 20:55:05,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:55:05,176 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 163 transitions. [2024-11-07 20:55:05,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 21 states have (on average 1.9523809523809523) internal successors, (41), 14 states have internal predecessors, (41), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:55:05,177 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 163 transitions. [2024-11-07 20:55:05,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-07 20:55:05,177 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:55:05,177 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-07 20:55:05,190 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-07 20:55:05,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:55:05,378 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-07 20:55:05,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:55:05,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1350016289, now seen corresponding path program 1 times [2024-11-07 20:55:05,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:55:05,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454488734] [2024-11-07 20:55:05,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:55:05,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:55:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:05,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 20:55:05,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:05,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:05,529 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-07 20:55:05,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:55:05,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454488734] [2024-11-07 20:55:05,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454488734] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:55:05,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048341950] [2024-11-07 20:55:05,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:55:05,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:55:05,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:55:05,532 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:55:05,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-07 20:55:05,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:05,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-07 20:55:05,581 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:55:05,786 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 3 proven. 60 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-07 20:55:05,786 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:55:06,184 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 3 proven. 61 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 20:55:06,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048341950] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:55:06,185 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:55:06,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 14, 15] total 30 [2024-11-07 20:55:06,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771081582] [2024-11-07 20:55:06,185 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:55:06,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-07 20:55:06,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:55:06,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-07 20:55:06,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=725, Unknown=0, NotChecked=0, Total=870 [2024-11-07 20:55:06,188 INFO L87 Difference]: Start difference. First operand 146 states and 163 transitions. Second operand has 30 states, 28 states have (on average 2.4642857142857144) internal successors, (69), 22 states have internal predecessors, (69), 13 states have call successors, (14), 9 states have call predecessors, (14), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-07 20:55:06,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:55:06,612 INFO L93 Difference]: Finished difference Result 208 states and 227 transitions. [2024-11-07 20:55:06,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-07 20:55:06,613 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 28 states have (on average 2.4642857142857144) internal successors, (69), 22 states have internal predecessors, (69), 13 states have call successors, (14), 9 states have call predecessors, (14), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 40 [2024-11-07 20:55:06,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:55:06,614 INFO L225 Difference]: With dead ends: 208 [2024-11-07 20:55:06,614 INFO L226 Difference]: Without dead ends: 142 [2024-11-07 20:55:06,615 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 65 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=318, Invalid=1322, Unknown=0, NotChecked=0, Total=1640 [2024-11-07 20:55:06,615 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 199 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:55:06,616 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 413 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:55:06,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-07 20:55:06,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 134. [2024-11-07 20:55:06,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 107 states have (on average 1.1121495327102804) internal successors, (119), 106 states have internal predecessors, (119), 12 states have call successors, (12), 11 states have call predecessors, (12), 13 states have return successors, (16), 16 states have call predecessors, (16), 11 states have call successors, (16) [2024-11-07 20:55:06,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 147 transitions. [2024-11-07 20:55:06,639 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 147 transitions. Word has length 40 [2024-11-07 20:55:06,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:55:06,642 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 147 transitions. [2024-11-07 20:55:06,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 28 states have (on average 2.4642857142857144) internal successors, (69), 22 states have internal predecessors, (69), 13 states have call successors, (14), 9 states have call predecessors, (14), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-07 20:55:06,642 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 147 transitions. [2024-11-07 20:55:06,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-07 20:55:06,644 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:55:06,644 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 1, 1, 1, 1] [2024-11-07 20:55:06,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-07 20:55:06,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:55:06,849 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-07 20:55:06,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:55:06,850 INFO L85 PathProgramCache]: Analyzing trace with hash -91829804, now seen corresponding path program 3 times [2024-11-07 20:55:06,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:55:06,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536551618] [2024-11-07 20:55:06,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:55:06,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:55:06,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:07,307 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:55:07,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:55:07,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536551618] [2024-11-07 20:55:07,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536551618] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:55:07,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558625491] [2024-11-07 20:55:07,309 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 20:55:07,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:55:07,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:55:07,314 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:55:07,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-07 20:55:07,368 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-07 20:55:07,369 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:55:07,370 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-07 20:55:07,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:55:07,468 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:55:07,468 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:55:08,102 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:55:08,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558625491] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:55:08,102 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:55:08,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2024-11-07 20:55:08,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752992847] [2024-11-07 20:55:08,102 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:55:08,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-07 20:55:08,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:55:08,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-07 20:55:08,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=556, Invalid=1700, Unknown=0, NotChecked=0, Total=2256 [2024-11-07 20:55:08,105 INFO L87 Difference]: Start difference. First operand 134 states and 147 transitions. Second operand has 48 states, 45 states have (on average 1.9777777777777779) internal successors, (89), 26 states have internal predecessors, (89), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:55:08,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:55:08,886 INFO L93 Difference]: Finished difference Result 438 states and 470 transitions. [2024-11-07 20:55:08,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-07 20:55:08,887 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 45 states have (on average 1.9777777777777779) internal successors, (89), 26 states have internal predecessors, (89), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2024-11-07 20:55:08,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:55:08,889 INFO L225 Difference]: With dead ends: 438 [2024-11-07 20:55:08,889 INFO L226 Difference]: Without dead ends: 386 [2024-11-07 20:55:08,892 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 924 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1337, Invalid=3493, Unknown=0, NotChecked=0, Total=4830 [2024-11-07 20:55:08,893 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 622 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 623 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:55:08,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [623 Valid, 467 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:55:08,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2024-11-07 20:55:08,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 364. [2024-11-07 20:55:08,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 291 states have (on average 1.120274914089347) internal successors, (326), 290 states have internal predecessors, (326), 24 states have call successors, (24), 23 states have call predecessors, (24), 47 states have return successors, (50), 50 states have call predecessors, (50), 23 states have call successors, (50) [2024-11-07 20:55:08,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 400 transitions. [2024-11-07 20:55:08,927 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 400 transitions. Word has length 56 [2024-11-07 20:55:08,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:55:08,928 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 400 transitions. [2024-11-07 20:55:08,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 45 states have (on average 1.9777777777777779) internal successors, (89), 26 states have internal predecessors, (89), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:55:08,928 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 400 transitions. [2024-11-07 20:55:08,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-07 20:55:08,929 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:55:08,929 INFO L215 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2024-11-07 20:55:08,947 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-07 20:55:09,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-07 20:55:09,130 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-07 20:55:09,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:55:09,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1351701622, now seen corresponding path program 2 times [2024-11-07 20:55:09,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:55:09,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109076079] [2024-11-07 20:55:09,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:55:09,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:55:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:09,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 20:55:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:09,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:09,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:09,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:09,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:09,668 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 6 proven. 299 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-07 20:55:09,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:55:09,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109076079] [2024-11-07 20:55:09,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109076079] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:55:09,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [570200138] [2024-11-07 20:55:09,669 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:55:09,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:55:09,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:55:09,671 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:55:09,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-07 20:55:09,715 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:55:09,715 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:55:09,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-07 20:55:09,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:55:09,857 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 6 proven. 297 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-07 20:55:09,858 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:55:10,559 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 6 proven. 303 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-07 20:55:10,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [570200138] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:55:10,560 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:55:10,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25, 27] total 48 [2024-11-07 20:55:10,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359080148] [2024-11-07 20:55:10,560 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:55:10,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-07 20:55:10,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:55:10,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-07 20:55:10,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=444, Invalid=1812, Unknown=0, NotChecked=0, Total=2256 [2024-11-07 20:55:10,563 INFO L87 Difference]: Start difference. First operand 364 states and 400 transitions. Second operand has 48 states, 46 states have (on average 2.282608695652174) internal successors, (105), 31 states have internal predecessors, (105), 23 states have call successors, (24), 18 states have call predecessors, (24), 4 states have return successors, (8), 3 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-07 20:55:11,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:55:11,128 INFO L93 Difference]: Finished difference Result 477 states and 512 transitions. [2024-11-07 20:55:11,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-07 20:55:11,129 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 46 states have (on average 2.282608695652174) internal successors, (105), 31 states have internal predecessors, (105), 23 states have call successors, (24), 18 states have call predecessors, (24), 4 states have return successors, (8), 3 states have call predecessors, (8), 6 states have call successors, (8) Word has length 75 [2024-11-07 20:55:11,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:55:11,131 INFO L225 Difference]: With dead ends: 477 [2024-11-07 20:55:11,131 INFO L226 Difference]: Without dead ends: 301 [2024-11-07 20:55:11,135 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 127 SyntacticMatches, 5 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1100 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1042, Invalid=3380, Unknown=0, NotChecked=0, Total=4422 [2024-11-07 20:55:11,135 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 349 mSDsluCounter, 798 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 891 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:55:11,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 891 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:55:11,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-11-07 20:55:11,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 274. [2024-11-07 20:55:11,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 219 states have (on average 1.1187214611872147) internal successors, (245), 218 states have internal predecessors, (245), 24 states have call successors, (24), 23 states have call predecessors, (24), 29 states have return successors, (32), 32 states have call predecessors, (32), 23 states have call successors, (32) [2024-11-07 20:55:11,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 301 transitions. [2024-11-07 20:55:11,162 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 301 transitions. Word has length 75 [2024-11-07 20:55:11,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:55:11,162 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 301 transitions. [2024-11-07 20:55:11,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 46 states have (on average 2.282608695652174) internal successors, (105), 31 states have internal predecessors, (105), 23 states have call successors, (24), 18 states have call predecessors, (24), 4 states have return successors, (8), 3 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-07 20:55:11,162 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 301 transitions. [2024-11-07 20:55:11,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-07 20:55:11,163 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:55:11,163 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 22, 22, 22, 1, 1, 1, 1] [2024-11-07 20:55:11,176 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-07 20:55:11,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:55:11,364 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-07 20:55:11,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:55:11,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1473917420, now seen corresponding path program 4 times [2024-11-07 20:55:11,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:55:11,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243564481] [2024-11-07 20:55:11,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:55:11,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:55:11,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:12,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:55:12,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:55:12,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243564481] [2024-11-07 20:55:12,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243564481] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:55:12,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2093376625] [2024-11-07 20:55:12,590 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-07 20:55:12,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:55:12,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:55:12,595 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:55:12,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-07 20:55:12,664 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-07 20:55:12,664 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:55:12,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-07 20:55:12,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:55:12,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:55:12,825 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:55:14,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:55:14,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2093376625] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:55:14,564 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:55:14,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2024-11-07 20:55:14,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765525247] [2024-11-07 20:55:14,564 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:55:14,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-11-07 20:55:14,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:55:14,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-11-07 20:55:14,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2260, Invalid=6860, Unknown=0, NotChecked=0, Total=9120 [2024-11-07 20:55:14,569 INFO L87 Difference]: Start difference. First operand 274 states and 301 transitions. Second operand has 96 states, 93 states have (on average 1.989247311827957) internal successors, (185), 50 states have internal predecessors, (185), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:55:15,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:55:15,270 INFO L93 Difference]: Finished difference Result 294 states and 301 transitions. [2024-11-07 20:55:15,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-07 20:55:15,272 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 93 states have (on average 1.989247311827957) internal successors, (185), 50 states have internal predecessors, (185), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2024-11-07 20:55:15,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:55:15,274 INFO L225 Difference]: With dead ends: 294 [2024-11-07 20:55:15,274 INFO L226 Difference]: Without dead ends: 293 [2024-11-07 20:55:15,278 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2873 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=4100, Invalid=9706, Unknown=0, NotChecked=0, Total=13806 [2024-11-07 20:55:15,280 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 549 mSDsluCounter, 763 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 864 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:55:15,282 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 864 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:55:15,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-07 20:55:15,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 273. [2024-11-07 20:55:15,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 219 states have (on average 1.1141552511415524) internal successors, (244), 217 states have internal predecessors, (244), 24 states have call successors, (24), 23 states have call predecessors, (24), 29 states have return successors, (32), 32 states have call predecessors, (32), 23 states have call successors, (32) [2024-11-07 20:55:15,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 300 transitions. [2024-11-07 20:55:15,303 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 300 transitions. Word has length 116 [2024-11-07 20:55:15,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:55:15,304 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 300 transitions. [2024-11-07 20:55:15,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 93 states have (on average 1.989247311827957) internal successors, (185), 50 states have internal predecessors, (185), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:55:15,304 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 300 transitions. [2024-11-07 20:55:15,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-07 20:55:15,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:55:15,307 INFO L215 NwaCegarLoop]: trace histogram [21, 20, 20, 20, 20, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2024-11-07 20:55:15,325 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-07 20:55:15,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-07 20:55:15,508 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-07 20:55:15,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:55:15,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1567947543, now seen corresponding path program 3 times [2024-11-07 20:55:15,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:55:15,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235668180] [2024-11-07 20:55:15,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:55:15,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:55:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:15,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 20:55:15,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:15,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:15,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:15,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:15,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:15,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 20 proven. 15 refuted. 0 times theorem prover too weak. 970 trivial. 0 not checked. [2024-11-07 20:55:15,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:55:15,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235668180] [2024-11-07 20:55:15,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235668180] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:55:15,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1022961503] [2024-11-07 20:55:15,706 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 20:55:15,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:55:15,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:55:15,708 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:55:15,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-07 20:55:15,752 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-07 20:55:15,752 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:55:15,753 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 20:55:15,755 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:55:15,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-11-07 20:55:15,795 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:55:15,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-11-07 20:55:15,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1022961503] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:55:15,954 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:55:15,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 16 [2024-11-07 20:55:15,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433602499] [2024-11-07 20:55:15,954 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:55:15,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-07 20:55:15,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:55:15,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-07 20:55:15,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-07 20:55:15,955 INFO L87 Difference]: Start difference. First operand 273 states and 300 transitions. Second operand has 17 states, 16 states have (on average 2.375) internal successors, (38), 17 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 7 states have return successors, (7), 7 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-07 20:55:16,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:55:16,098 INFO L93 Difference]: Finished difference Result 416 states and 476 transitions. [2024-11-07 20:55:16,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 20:55:16,099 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 2.375) internal successors, (38), 17 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 7 states have return successors, (7), 7 states have call predecessors, (7), 1 states have call successors, (7) Word has length 120 [2024-11-07 20:55:16,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:55:16,101 INFO L225 Difference]: With dead ends: 416 [2024-11-07 20:55:16,101 INFO L226 Difference]: Without dead ends: 415 [2024-11-07 20:55:16,102 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=168, Invalid=588, Unknown=0, NotChecked=0, Total=756 [2024-11-07 20:55:16,104 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 31 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:55:16,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 50 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:55:16,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-11-07 20:55:16,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 415. [2024-11-07 20:55:16,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 335 states have (on average 1.0746268656716418) internal successors, (360), 329 states have internal predecessors, (360), 24 states have call successors, (24), 23 states have call predecessors, (24), 55 states have return successors, (62), 62 states have call predecessors, (62), 23 states have call successors, (62) [2024-11-07 20:55:16,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 446 transitions. [2024-11-07 20:55:16,131 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 446 transitions. Word has length 120 [2024-11-07 20:55:16,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:55:16,131 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 446 transitions. [2024-11-07 20:55:16,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 2.375) internal successors, (38), 17 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 7 states have return successors, (7), 7 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-07 20:55:16,132 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 446 transitions. [2024-11-07 20:55:16,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-07 20:55:16,134 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:55:16,135 INFO L215 NwaCegarLoop]: trace histogram [21, 20, 20, 20, 20, 7, 7, 7, 7, 6, 1, 1, 1, 1, 1] [2024-11-07 20:55:16,151 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-07 20:55:16,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:55:16,336 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-07 20:55:16,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:55:16,336 INFO L85 PathProgramCache]: Analyzing trace with hash -342311337, now seen corresponding path program 4 times [2024-11-07 20:55:16,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:55:16,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676096407] [2024-11-07 20:55:16,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:55:16,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:55:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:16,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 20:55:16,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:16,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:16,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:16,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:16,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:16,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:16,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:16,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:16,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:16,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:16,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:16,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 20 proven. 105 refuted. 0 times theorem prover too weak. 970 trivial. 0 not checked. [2024-11-07 20:55:16,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:55:16,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676096407] [2024-11-07 20:55:16,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676096407] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:55:16,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088088688] [2024-11-07 20:55:16,822 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-07 20:55:16,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:55:16,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:55:16,824 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:55:16,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-07 20:55:16,898 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-07 20:55:16,899 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:55:16,900 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-07 20:55:16,903 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:55:16,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-11-07 20:55:16,985 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:55:18,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-11-07 20:55:18,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2088088688] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:55:18,115 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:55:18,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 32 [2024-11-07 20:55:18,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097949241] [2024-11-07 20:55:18,116 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:55:18,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-07 20:55:18,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:55:18,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-07 20:55:18,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=783, Unknown=0, NotChecked=0, Total=1056 [2024-11-07 20:55:18,117 INFO L87 Difference]: Start difference. First operand 415 states and 446 transitions. Second operand has 33 states, 32 states have (on average 2.1875) internal successors, (70), 33 states have internal predecessors, (70), 1 states have call successors, (2), 1 states have call predecessors, (2), 15 states have return successors, (15), 15 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-07 20:55:18,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:55:18,409 INFO L93 Difference]: Finished difference Result 940 states and 1086 transitions. [2024-11-07 20:55:18,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-07 20:55:18,409 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 2.1875) internal successors, (70), 33 states have internal predecessors, (70), 1 states have call successors, (2), 1 states have call predecessors, (2), 15 states have return successors, (15), 15 states have call predecessors, (15), 1 states have call successors, (15) Word has length 140 [2024-11-07 20:55:18,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:55:18,413 INFO L225 Difference]: With dead ends: 940 [2024-11-07 20:55:18,414 INFO L226 Difference]: Without dead ends: 939 [2024-11-07 20:55:18,415 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1325 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=720, Invalid=2820, Unknown=0, NotChecked=0, Total=3540 [2024-11-07 20:55:18,416 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 63 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:55:18,416 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 74 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:55:18,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2024-11-07 20:55:18,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 939. [2024-11-07 20:55:18,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 939 states, 759 states have (on average 1.0329380764163374) internal successors, (784), 745 states have internal predecessors, (784), 24 states have call successors, (24), 23 states have call predecessors, (24), 155 states have return successors, (170), 170 states have call predecessors, (170), 23 states have call successors, (170) [2024-11-07 20:55:18,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 978 transitions. [2024-11-07 20:55:18,489 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 978 transitions. Word has length 140 [2024-11-07 20:55:18,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:55:18,490 INFO L471 AbstractCegarLoop]: Abstraction has 939 states and 978 transitions. [2024-11-07 20:55:18,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 2.1875) internal successors, (70), 33 states have internal predecessors, (70), 1 states have call successors, (2), 1 states have call predecessors, (2), 15 states have return successors, (15), 15 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-07 20:55:18,490 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 978 transitions. [2024-11-07 20:55:18,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-07 20:55:18,496 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:55:18,496 INFO L215 NwaCegarLoop]: trace histogram [21, 20, 20, 20, 20, 15, 15, 15, 15, 14, 1, 1, 1, 1, 1] [2024-11-07 20:55:18,513 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-07 20:55:18,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:55:18,697 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-07 20:55:18,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:55:18,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1265231063, now seen corresponding path program 5 times [2024-11-07 20:55:18,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:55:18,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387812762] [2024-11-07 20:55:18,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:55:18,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:55:18,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:18,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 20:55:18,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:19,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:19,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:19,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:19,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:19,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:19,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:19,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:19,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:19,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:19,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:19,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:19,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:19,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:20,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:20,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:20,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:20,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:20,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:20,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:20,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:20,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:20,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:20,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:20,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 20 proven. 525 refuted. 0 times theorem prover too weak. 970 trivial. 0 not checked. [2024-11-07 20:55:20,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:55:20,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387812762] [2024-11-07 20:55:20,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387812762] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:55:20,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290230027] [2024-11-07 20:55:20,339 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-07 20:55:20,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:55:20,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:55:20,341 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:55:20,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-07 20:55:20,448 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2024-11-07 20:55:20,448 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:55:20,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-07 20:55:20,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:55:20,555 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 0 proven. 525 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-11-07 20:55:20,555 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:55:30,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 0 proven. 525 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-11-07 20:55:30,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290230027] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:55:30,893 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:55:30,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31, 31] total 64 [2024-11-07 20:55:30,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247468707] [2024-11-07 20:55:30,893 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:55:30,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-11-07 20:55:30,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:55:30,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-11-07 20:55:30,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1057, Invalid=3103, Unknown=0, NotChecked=0, Total=4160 [2024-11-07 20:55:30,897 INFO L87 Difference]: Start difference. First operand 939 states and 978 transitions. Second operand has 65 states, 64 states have (on average 2.09375) internal successors, (134), 65 states have internal predecessors, (134), 1 states have call successors, (2), 1 states have call predecessors, (2), 31 states have return successors, (31), 31 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 20:55:31,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:55:31,774 INFO L93 Difference]: Finished difference Result 2673 states and 3069 transitions. [2024-11-07 20:55:31,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-07 20:55:31,775 INFO L78 Accepts]: Start accepts. Automaton has has 65 states, 64 states have (on average 2.09375) internal successors, (134), 65 states have internal predecessors, (134), 1 states have call successors, (2), 1 states have call predecessors, (2), 31 states have return successors, (31), 31 states have call predecessors, (31), 1 states have call successors, (31) Word has length 180 [2024-11-07 20:55:31,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:55:31,782 INFO L225 Difference]: With dead ends: 2673 [2024-11-07 20:55:31,782 INFO L226 Difference]: Without dead ends: 1495 [2024-11-07 20:55:31,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 478 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6317 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=2976, Invalid=12276, Unknown=0, NotChecked=0, Total=15252 [2024-11-07 20:55:31,790 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 127 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:55:31,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 74 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:55:31,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1495 states. [2024-11-07 20:55:31,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1495 to 1495. [2024-11-07 20:55:31,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1495 states, 1208 states have (on average 1.0190397350993377) internal successors, (1231), 1187 states have internal predecessors, (1231), 24 states have call successors, (24), 23 states have call predecessors, (24), 262 states have return successors, (284), 284 states have call predecessors, (284), 23 states have call successors, (284) [2024-11-07 20:55:31,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1495 states to 1495 states and 1539 transitions. [2024-11-07 20:55:31,867 INFO L78 Accepts]: Start accepts. Automaton has 1495 states and 1539 transitions. Word has length 180 [2024-11-07 20:55:31,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:55:31,868 INFO L471 AbstractCegarLoop]: Abstraction has 1495 states and 1539 transitions. [2024-11-07 20:55:31,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 64 states have (on average 2.09375) internal successors, (134), 65 states have internal predecessors, (134), 1 states have call successors, (2), 1 states have call predecessors, (2), 31 states have return successors, (31), 31 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-07 20:55:31,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1495 states and 1539 transitions. [2024-11-07 20:55:31,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2024-11-07 20:55:31,880 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:55:31,880 INFO L215 NwaCegarLoop]: trace histogram [55, 54, 54, 54, 54, 31, 31, 31, 31, 30, 1, 1, 1, 1, 1] [2024-11-07 20:55:31,898 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-07 20:55:32,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:55:32,085 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-07 20:55:32,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:55:32,085 INFO L85 PathProgramCache]: Analyzing trace with hash 653643575, now seen corresponding path program 6 times [2024-11-07 20:55:32,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:55:32,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061928497] [2024-11-07 20:55:32,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:55:32,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:55:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:33,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 20:55:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:33,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:34,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:34,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:34,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:34,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:35,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:35,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:35,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:35,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:35,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:35,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:36,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:36,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:36,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:36,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:36,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:36,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:36,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:37,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:37,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:37,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:37,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:37,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:37,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:38,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:38,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:38,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:38,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:38,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:38,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:38,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:38,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:38,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:38,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:38,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:38,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:38,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:39,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:39,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:39,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:39,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:39,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:39,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:39,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:39,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:39,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:39,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 20:55:39,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:55:39,643 INFO L134 CoverageAnalysis]: Checked inductivity of 9588 backedges. 54 proven. 2325 refuted. 0 times theorem prover too weak. 7209 trivial. 0 not checked. [2024-11-07 20:55:39,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:55:39,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061928497] [2024-11-07 20:55:39,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061928497] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:55:39,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1825410273] [2024-11-07 20:55:39,644 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-07 20:55:39,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:55:39,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:55:39,646 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:55:39,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-07 20:55:40,023 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 53 check-sat command(s) [2024-11-07 20:55:40,024 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:55:40,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 760 conjuncts, 87 conjuncts are in the unsatisfiable core [2024-11-07 20:55:40,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:55:41,604 INFO L134 CoverageAnalysis]: Checked inductivity of 9588 backedges. 3468 proven. 990 refuted. 0 times theorem prover too weak. 5130 trivial. 0 not checked. [2024-11-07 20:55:41,605 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:55:42,755 INFO L134 CoverageAnalysis]: Checked inductivity of 9588 backedges. 456 proven. 4638 refuted. 0 times theorem prover too weak. 4494 trivial. 0 not checked. [2024-11-07 20:55:42,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1825410273] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:55:42,756 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:55:42,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 45, 45] total 108 [2024-11-07 20:55:42,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340987188] [2024-11-07 20:55:42,756 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:55:42,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 108 states [2024-11-07 20:55:42,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:55:42,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2024-11-07 20:55:42,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1144, Invalid=10412, Unknown=0, NotChecked=0, Total=11556 [2024-11-07 20:55:42,760 INFO L87 Difference]: Start difference. First operand 1495 states and 1539 transitions. Second operand has 108 states, 107 states have (on average 2.149532710280374) internal successors, (230), 87 states have internal predecessors, (230), 23 states have call successors, (25), 23 states have call predecessors, (25), 33 states have return successors, (34), 33 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-07 20:55:44,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:55:44,634 INFO L93 Difference]: Finished difference Result 1495 states and 1539 transitions. [2024-11-07 20:55:44,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-07 20:55:44,635 INFO L78 Accepts]: Start accepts. Automaton has has 108 states, 107 states have (on average 2.149532710280374) internal successors, (230), 87 states have internal predecessors, (230), 23 states have call successors, (25), 23 states have call predecessors, (25), 33 states have return successors, (34), 33 states have call predecessors, (34), 2 states have call successors, (34) Word has length 430 [2024-11-07 20:55:44,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:55:44,636 INFO L225 Difference]: With dead ends: 1495 [2024-11-07 20:55:44,636 INFO L226 Difference]: Without dead ends: 0 [2024-11-07 20:55:44,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1004 GetRequests, 877 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5011 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=1249, Invalid=15263, Unknown=0, NotChecked=0, Total=16512 [2024-11-07 20:55:44,640 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 141 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 5192 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 5192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:55:44,640 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 159 Invalid, 5192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5192 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-07 20:55:44,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-07 20:55:44,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-07 20:55:44,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2024-11-07 20:55:44,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-07 20:55:44,641 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 430 [2024-11-07 20:55:44,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:55:44,641 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-07 20:55:44,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 108 states, 107 states have (on average 2.149532710280374) internal successors, (230), 87 states have internal predecessors, (230), 23 states have call successors, (25), 23 states have call predecessors, (25), 33 states have return successors, (34), 33 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-07 20:55:44,642 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-07 20:55:44,642 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-07 20:55:44,644 INFO L782 garLoopResultBuilder]: Registering result SAFE for location idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-07 20:55:44,644 INFO L782 garLoopResultBuilder]: Registering result SAFE for location idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-07 20:55:44,644 INFO L782 garLoopResultBuilder]: Registering result SAFE for location idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-07 20:55:44,645 INFO L782 garLoopResultBuilder]: Registering result SAFE for location idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-07 20:55:44,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-07 20:55:44,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-07 20:55:44,848 INFO L407 BasicCegarLoop]: Path program histogram: [6, 4, 1, 1, 1, 1] [2024-11-07 20:55:44,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-07 20:55:47,513 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 20:55:47,570 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-07 20:55:47,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:55:47 BoogieIcfgContainer [2024-11-07 20:55:47,578 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 20:55:47,578 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 20:55:47,578 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 20:55:47,579 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 20:55:47,579 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:55:02" (3/4) ... [2024-11-07 20:55:47,581 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-07 20:55:47,586 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2024-11-07 20:55:47,590 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-07 20:55:47,590 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-07 20:55:47,590 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-07 20:55:47,590 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-07 20:55:47,649 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-07 20:55:47,650 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-07 20:55:47,650 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 20:55:47,651 INFO L158 Benchmark]: Toolchain (without parser) took 45505.30ms. Allocated memory was 100.7MB in the beginning and 897.6MB in the end (delta: 796.9MB). Free memory was 76.9MB in the beginning and 754.7MB in the end (delta: -677.8MB). Peak memory consumption was 117.8MB. Max. memory is 16.1GB. [2024-11-07 20:55:47,651 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 83.9MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 20:55:47,652 INFO L158 Benchmark]: CACSL2BoogieTranslator took 164.53ms. Allocated memory is still 100.7MB. Free memory was 76.8MB in the beginning and 66.7MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 20:55:47,652 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.51ms. Allocated memory is still 100.7MB. Free memory was 66.7MB in the beginning and 65.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 20:55:47,653 INFO L158 Benchmark]: Boogie Preprocessor took 31.00ms. Allocated memory is still 100.7MB. Free memory was 65.6MB in the beginning and 64.6MB in the end (delta: 963.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 20:55:47,653 INFO L158 Benchmark]: RCFGBuilder took 238.30ms. Allocated memory is still 100.7MB. Free memory was 64.6MB in the beginning and 55.5MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 20:55:47,653 INFO L158 Benchmark]: TraceAbstraction took 44966.20ms. Allocated memory was 100.7MB in the beginning and 897.6MB in the end (delta: 796.9MB). Free memory was 55.0MB in the beginning and 759.2MB in the end (delta: -704.2MB). Peak memory consumption was 537.2MB. Max. memory is 16.1GB. [2024-11-07 20:55:47,653 INFO L158 Benchmark]: Witness Printer took 71.35ms. Allocated memory is still 897.6MB. Free memory was 759.2MB in the beginning and 754.7MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 20:55:47,654 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 83.9MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 164.53ms. Allocated memory is still 100.7MB. Free memory was 76.8MB in the beginning and 66.7MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.51ms. Allocated memory is still 100.7MB. Free memory was 66.7MB in the beginning and 65.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.00ms. Allocated memory is still 100.7MB. Free memory was 65.6MB in the beginning and 64.6MB in the end (delta: 963.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 238.30ms. Allocated memory is still 100.7MB. Free memory was 64.6MB in the beginning and 55.5MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 44966.20ms. Allocated memory was 100.7MB in the beginning and 897.6MB in the end (delta: 796.9MB). Free memory was 55.0MB in the beginning and 759.2MB in the end (delta: -704.2MB). Peak memory consumption was 537.2MB. Max. memory is 16.1GB. * Witness Printer took 71.35ms. Allocated memory is still 897.6MB. Free memory was 759.2MB in the beginning and 754.7MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 24 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 42.2s, OverallIterations: 14, TraceHistogramMax: 55, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2559 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2495 mSDsluCounter, 3445 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3002 mSDsCounter, 264 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7307 IncrementalHoareTripleChecker+Invalid, 7571 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 264 mSolverCounterUnsat, 443 mSDtfsCounter, 7307 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2960 GetRequests, 2275 SyntacticMatches, 7 SemanticMatches, 678 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18299 ImplicationChecksByTransitivity, 10.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1495occurred in iteration=13, InterpolantAutomatonStates: 368, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 106 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 31.8s InterpolantComputationTime, 2444 NumberOfCodeBlocks, 2334 NumberOfCodeBlocksAsserted, 112 NumberOfCheckSat, 3604 ConstructedInterpolants, 0 QuantifiedInterpolants, 7410 SizeOfPredicates, 78 NumberOfNonLiveVariables, 2164 ConjunctsInSsa, 270 ConjunctsInUnsatCore, 34 InterpolantComputations, 4 PerfectInterpolantSequences, 29849/45325 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - ProcedureContractResult [Line: 6]: Procedure Contract for id Derived contract for procedure id. Requires: (((((((((((((((((((((x == 18) || (x == 0)) || (x == 16)) || (x == 17)) || (x == 4)) || (x == 11)) || (x == 14)) || (x == 6)) || (x == 1)) || (x == 9)) || (x == 8)) || (7 == x)) || (x == 20)) || (x == 15)) || (x == 2)) || (x == 12)) || (x == 3)) || (5 == x)) || (19 == x)) || (x == 13)) || (x == 10)) Ensures: (((\result == 0) || (x != 0)) && (((((((((((((((((((((x == 18) || (x == 0)) || (x == 16)) || (x == 17)) || (x == 4)) || (x == 11)) || (x == 14)) || (x == 6)) || (x == 1)) || (x == 9)) || (x == 8)) || (7 == x)) || (x == 20)) || (x == 15)) || (x == 2)) || (x == 12)) || (x == 3)) || (5 == x)) || (19 == x)) || (x == 13)) || (x == 10))) RESULT: Ultimate proved your program to be correct! [2024-11-07 20:55:47,682 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE