./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i --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/loop-invgen/sendmail-close-angle.i', '-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', '4be4b344509b887bc91f2389f98de1e4ff745494aee0f078864fd49e79b0b4b8'] 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/loop-invgen/sendmail-close-angle.i -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 4be4b344509b887bc91f2389f98de1e4ff745494aee0f078864fd49e79b0b4b8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 20:07:09,846 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 20:07:09,920 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 20:07:09,926 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 20:07:09,926 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 20:07:09,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 20:07:09,944 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 20:07:09,944 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 20:07:09,944 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 20:07:09,944 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 20:07:09,944 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 20:07:09,944 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 20:07:09,944 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 20:07:09,944 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 20:07:09,945 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 20:07:09,945 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 20:07:09,945 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 20:07:09,945 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 20:07:09,945 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 20:07:09,945 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 20:07:09,945 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 20:07:09,945 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 20:07:09,945 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 20:07:09,945 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 20:07:09,946 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 20:07:09,946 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 20:07:09,946 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 20:07:09,946 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 20:07:09,946 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 20:07:09,946 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 20:07:09,946 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 20:07:09,946 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 20:07:09,946 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 20:07:09,946 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 20:07:09,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:07:09,946 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 20:07:09,946 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 20:07:09,946 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 20:07:09,946 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 20:07:09,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 20:07:09,947 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 20:07:09,947 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 20:07:09,947 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 20:07:09,947 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 20:07:09,947 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 -> 4be4b344509b887bc91f2389f98de1e4ff745494aee0f078864fd49e79b0b4b8 [2024-11-07 20:07:10,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 20:07:10,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 20:07:10,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 20:07:10,190 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 20:07:10,191 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 20:07:10,191 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i [2024-11-07 20:07:11,359 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 20:07:11,557 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 20:07:11,557 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/loop-invgen/sendmail-close-angle.i [2024-11-07 20:07:11,562 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f2caf81de/55e52a1686ec4e9f8e26b852173fc541/FLAG3b7d4a2c9 [2024-11-07 20:07:11,574 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f2caf81de/55e52a1686ec4e9f8e26b852173fc541 [2024-11-07 20:07:11,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 20:07:11,577 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 20:07:11,578 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 20:07:11,579 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 20:07:11,582 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 20:07:11,582 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:07:11" (1/1) ... [2024-11-07 20:07:11,583 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24a836c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:07:11, skipping insertion in model container [2024-11-07 20:07:11,583 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:07:11" (1/1) ... [2024-11-07 20:07:11,594 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 20:07:11,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:07:11,703 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 20:07:11,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:07:11,722 INFO L204 MainTranslator]: Completed translation [2024-11-07 20:07:11,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:07:11 WrapperNode [2024-11-07 20:07:11,723 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 20:07:11,723 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 20:07:11,724 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 20:07:11,724 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 20:07:11,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:07:11" (1/1) ... [2024-11-07 20:07:11,731 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:07:11" (1/1) ... [2024-11-07 20:07:11,743 INFO L138 Inliner]: procedures = 16, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 79 [2024-11-07 20:07:11,744 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 20:07:11,744 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 20:07:11,744 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 20:07:11,745 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 20:07:11,750 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:07:11" (1/1) ... [2024-11-07 20:07:11,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:07:11" (1/1) ... [2024-11-07 20:07:11,755 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:07:11" (1/1) ... [2024-11-07 20:07:11,765 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 20:07:11,766 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:07:11" (1/1) ... [2024-11-07 20:07:11,766 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:07:11" (1/1) ... [2024-11-07 20:07:11,768 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:07:11" (1/1) ... [2024-11-07 20:07:11,771 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:07:11" (1/1) ... [2024-11-07 20:07:11,773 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:07:11" (1/1) ... [2024-11-07 20:07:11,776 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:07:11" (1/1) ... [2024-11-07 20:07:11,777 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 20:07:11,777 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 20:07:11,777 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 20:07:11,777 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 20:07:11,778 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:07:11" (1/1) ... [2024-11-07 20:07:11,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:07:11,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:07:11,807 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 20:07:11,810 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 20:07:11,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 20:07:11,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 20:07:11,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 20:07:11,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 20:07:11,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 20:07:11,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 20:07:11,867 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 20:07:11,872 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 20:07:11,999 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-07 20:07:11,999 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 20:07:12,005 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 20:07:12,005 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 20:07:12,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:07:12 BoogieIcfgContainer [2024-11-07 20:07:12,005 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 20:07:12,007 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 20:07:12,007 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 20:07:12,011 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 20:07:12,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:07:11" (1/3) ... [2024-11-07 20:07:12,011 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29398408 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:07:12, skipping insertion in model container [2024-11-07 20:07:12,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:07:11" (2/3) ... [2024-11-07 20:07:12,011 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29398408 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:07:12, skipping insertion in model container [2024-11-07 20:07:12,012 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:07:12" (3/3) ... [2024-11-07 20:07:12,012 INFO L112 eAbstractionObserver]: Analyzing ICFG sendmail-close-angle.i [2024-11-07 20:07:12,022 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 20:07:12,022 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-07 20:07:12,058 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 20:07:12,067 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;@19c47c20, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 20:07:12,068 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-07 20:07:12,072 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 32 states have (on average 1.5625) internal successors, (50), 43 states have internal predecessors, (50), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 20:07:12,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-07 20:07:12,076 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:07:12,076 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:07:12,076 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:07:12,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:07:12,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1805030953, now seen corresponding path program 1 times [2024-11-07 20:07:12,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:07:12,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67459742] [2024-11-07 20:07:12,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:07:12,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:07:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:12,194 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 20:07:12,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:07:12,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67459742] [2024-11-07 20:07:12,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67459742] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:07:12,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:07:12,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:07:12,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871022985] [2024-11-07 20:07:12,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:07:12,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:07:12,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:07:12,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:07:12,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:07:12,214 INFO L87 Difference]: Start difference. First operand has 52 states, 32 states have (on average 1.5625) internal successors, (50), 43 states have internal predecessors, (50), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:07:12,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:07:12,246 INFO L93 Difference]: Finished difference Result 95 states and 128 transitions. [2024-11-07 20:07:12,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:07:12,247 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-07 20:07:12,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:07:12,251 INFO L225 Difference]: With dead ends: 95 [2024-11-07 20:07:12,251 INFO L226 Difference]: Without dead ends: 44 [2024-11-07 20:07:12,253 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 20:07:12,254 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 29 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:07:12,255 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 74 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:07:12,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-07 20:07:12,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-07 20:07:12,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 35 states have internal predecessors, (36), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 20:07:12,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 52 transitions. [2024-11-07 20:07:12,278 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 52 transitions. Word has length 7 [2024-11-07 20:07:12,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:07:12,278 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 52 transitions. [2024-11-07 20:07:12,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:07:12,278 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2024-11-07 20:07:12,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-07 20:07:12,279 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:07:12,279 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:07:12,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 20:07:12,279 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:07:12,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:07:12,280 INFO L85 PathProgramCache]: Analyzing trace with hash 121384750, now seen corresponding path program 1 times [2024-11-07 20:07:12,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:07:12,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256690048] [2024-11-07 20:07:12,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:07:12,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:07:12,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:12,324 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 20:07:12,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:07:12,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256690048] [2024-11-07 20:07:12,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256690048] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:07:12,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:07:12,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:07:12,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621394747] [2024-11-07 20:07:12,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:07:12,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:07:12,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:07:12,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:07:12,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:07:12,327 INFO L87 Difference]: Start difference. First operand 44 states and 52 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:07:12,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:07:12,336 INFO L93 Difference]: Finished difference Result 44 states and 52 transitions. [2024-11-07 20:07:12,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:07:12,337 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-07 20:07:12,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:07:12,337 INFO L225 Difference]: With dead ends: 44 [2024-11-07 20:07:12,337 INFO L226 Difference]: Without dead ends: 43 [2024-11-07 20:07:12,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 20:07:12,338 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 25 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:07:12,338 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 59 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:07:12,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-07 20:07:12,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-07 20:07:12,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 34 states have internal predecessors, (35), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 20:07:12,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 51 transitions. [2024-11-07 20:07:12,346 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 51 transitions. Word has length 8 [2024-11-07 20:07:12,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:07:12,346 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 51 transitions. [2024-11-07 20:07:12,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:07:12,346 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2024-11-07 20:07:12,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-07 20:07:12,347 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:07:12,347 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:07:12,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 20:07:12,347 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:07:12,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:07:12,348 INFO L85 PathProgramCache]: Analyzing trace with hash -824926921, now seen corresponding path program 1 times [2024-11-07 20:07:12,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:07:12,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452752896] [2024-11-07 20:07:12,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:07:12,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:07:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:12,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:07:12,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:12,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 20:07:12,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:12,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:07:12,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:07:12,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452752896] [2024-11-07 20:07:12,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452752896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:07:12,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:07:12,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:07:12,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162984318] [2024-11-07 20:07:12,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:07:12,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:07:12,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:07:12,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:07:12,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:07:12,431 INFO L87 Difference]: Start difference. First operand 43 states and 51 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:07:12,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:07:12,460 INFO L93 Difference]: Finished difference Result 56 states and 70 transitions. [2024-11-07 20:07:12,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:07:12,461 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2024-11-07 20:07:12,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:07:12,461 INFO L225 Difference]: With dead ends: 56 [2024-11-07 20:07:12,461 INFO L226 Difference]: Without dead ends: 54 [2024-11-07 20:07:12,462 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:07:12,462 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 4 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:07:12,462 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 126 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:07:12,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-07 20:07:12,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 51. [2024-11-07 20:07:12,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 32 states have (on average 1.34375) internal successors, (43), 39 states have internal predecessors, (43), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-07 20:07:12,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 63 transitions. [2024-11-07 20:07:12,469 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 63 transitions. Word has length 22 [2024-11-07 20:07:12,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:07:12,469 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 63 transitions. [2024-11-07 20:07:12,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:07:12,469 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2024-11-07 20:07:12,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-07 20:07:12,470 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:07:12,470 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:07:12,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 20:07:12,470 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:07:12,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:07:12,471 INFO L85 PathProgramCache]: Analyzing trace with hash -160571847, now seen corresponding path program 1 times [2024-11-07 20:07:12,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:07:12,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96970043] [2024-11-07 20:07:12,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:07:12,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:07:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:12,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 20:07:12,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:12,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 20:07:12,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:12,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:07:12,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:07:12,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96970043] [2024-11-07 20:07:12,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96970043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:07:12,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:07:12,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:07:12,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125253490] [2024-11-07 20:07:12,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:07:12,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:07:12,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:07:12,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:07:12,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:07:12,535 INFO L87 Difference]: Start difference. First operand 51 states and 63 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:07:12,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:07:12,570 INFO L93 Difference]: Finished difference Result 58 states and 72 transitions. [2024-11-07 20:07:12,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:07:12,571 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2024-11-07 20:07:12,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:07:12,572 INFO L225 Difference]: With dead ends: 58 [2024-11-07 20:07:12,572 INFO L226 Difference]: Without dead ends: 56 [2024-11-07 20:07:12,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:07:12,572 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 3 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:07:12,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 126 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:07:12,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-07 20:07:12,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-11-07 20:07:12,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 42 states have internal predecessors, (46), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-07 20:07:12,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 70 transitions. [2024-11-07 20:07:12,579 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 70 transitions. Word has length 23 [2024-11-07 20:07:12,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:07:12,579 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 70 transitions. [2024-11-07 20:07:12,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:07:12,580 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2024-11-07 20:07:12,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-07 20:07:12,580 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:07:12,580 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:07:12,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 20:07:12,581 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:07:12,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:07:12,581 INFO L85 PathProgramCache]: Analyzing trace with hash 997750294, now seen corresponding path program 1 times [2024-11-07 20:07:12,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:07:12,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378521524] [2024-11-07 20:07:12,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:07:12,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:07:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:12,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 20:07:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:12,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 20:07:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:12,690 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:07:12,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:07:12,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378521524] [2024-11-07 20:07:12,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378521524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:07:12,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:07:12,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:07:12,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516482138] [2024-11-07 20:07:12,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:07:12,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:07:12,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:07:12,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:07:12,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:07:12,692 INFO L87 Difference]: Start difference. First operand 56 states and 70 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:07:12,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:07:12,722 INFO L93 Difference]: Finished difference Result 68 states and 83 transitions. [2024-11-07 20:07:12,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:07:12,723 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2024-11-07 20:07:12,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:07:12,724 INFO L225 Difference]: With dead ends: 68 [2024-11-07 20:07:12,724 INFO L226 Difference]: Without dead ends: 66 [2024-11-07 20:07:12,724 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:07:12,725 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 10 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:07:12,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 137 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:07:12,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-07 20:07:12,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 59. [2024-11-07 20:07:12,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 45 states have internal predecessors, (49), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-07 20:07:12,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 73 transitions. [2024-11-07 20:07:12,740 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 73 transitions. Word has length 26 [2024-11-07 20:07:12,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:07:12,744 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 73 transitions. [2024-11-07 20:07:12,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:07:12,744 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2024-11-07 20:07:12,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-07 20:07:12,745 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:07:12,745 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:07:12,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 20:07:12,745 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:07:12,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:07:12,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1712570514, now seen corresponding path program 1 times [2024-11-07 20:07:12,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:07:12,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242558083] [2024-11-07 20:07:12,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:07:12,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:07:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:12,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:07:12,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:12,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 20:07:12,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:12,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:07:12,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:12,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 20:07:12,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:12,823 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:07:12,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:07:12,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242558083] [2024-11-07 20:07:12,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242558083] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:07:12,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:07:12,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 20:07:12,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798100894] [2024-11-07 20:07:12,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:07:12,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:07:12,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:07:12,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:07:12,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:07:12,825 INFO L87 Difference]: Start difference. First operand 59 states and 73 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:07:12,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:07:12,908 INFO L93 Difference]: Finished difference Result 65 states and 81 transitions. [2024-11-07 20:07:12,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:07:12,908 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 35 [2024-11-07 20:07:12,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:07:12,909 INFO L225 Difference]: With dead ends: 65 [2024-11-07 20:07:12,909 INFO L226 Difference]: Without dead ends: 64 [2024-11-07 20:07:12,909 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:07:12,910 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 4 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:07:12,910 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 191 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:07:12,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-07 20:07:12,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 63. [2024-11-07 20:07:12,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 40 states have (on average 1.275) internal successors, (51), 47 states have internal predecessors, (51), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-07 20:07:12,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 79 transitions. [2024-11-07 20:07:12,915 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 79 transitions. Word has length 35 [2024-11-07 20:07:12,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:07:12,916 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 79 transitions. [2024-11-07 20:07:12,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:07:12,916 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 79 transitions. [2024-11-07 20:07:12,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-07 20:07:12,916 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:07:12,917 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:07:12,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 20:07:12,917 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:07:12,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:07:12,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1550078280, now seen corresponding path program 1 times [2024-11-07 20:07:12,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:07:12,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930504801] [2024-11-07 20:07:12,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:07:12,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:07:12,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:12,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:07:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:12,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 20:07:12,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:12,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:07:12,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:12,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 20:07:12,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:12,994 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:07:12,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:07:12,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930504801] [2024-11-07 20:07:12,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930504801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:07:12,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:07:12,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 20:07:12,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372753515] [2024-11-07 20:07:12,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:07:12,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:07:12,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:07:12,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:07:12,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:07:12,997 INFO L87 Difference]: Start difference. First operand 63 states and 79 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:07:13,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:07:13,056 INFO L93 Difference]: Finished difference Result 65 states and 80 transitions. [2024-11-07 20:07:13,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:07:13,057 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 36 [2024-11-07 20:07:13,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:07:13,057 INFO L225 Difference]: With dead ends: 65 [2024-11-07 20:07:13,057 INFO L226 Difference]: Without dead ends: 54 [2024-11-07 20:07:13,057 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:07:13,058 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 6 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:07:13,058 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 161 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:07:13,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-07 20:07:13,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-07 20:07:13,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 42 states have internal predecessors, (44), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-07 20:07:13,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 64 transitions. [2024-11-07 20:07:13,068 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 64 transitions. Word has length 36 [2024-11-07 20:07:13,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:07:13,068 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 64 transitions. [2024-11-07 20:07:13,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:07:13,069 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2024-11-07 20:07:13,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-07 20:07:13,070 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:07:13,071 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:07:13,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 20:07:13,071 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:07:13,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:07:13,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1393021354, now seen corresponding path program 1 times [2024-11-07 20:07:13,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:07:13,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798275828] [2024-11-07 20:07:13,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:07:13,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:07:13,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:13,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 20:07:13,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:13,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 20:07:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:13,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:07:13,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:13,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 20:07:13,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:13,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 20:07:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:13,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 20:07:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:13,175 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:07:13,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:07:13,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798275828] [2024-11-07 20:07:13,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798275828] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:07:13,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [388700569] [2024-11-07 20:07:13,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:07:13,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:07:13,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:07:13,182 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 20:07:13,183 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 20:07:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:13,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:07:13,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:07:13,284 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:07:13,284 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:07:13,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [388700569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:07:13,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:07:13,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-07 20:07:13,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233259526] [2024-11-07 20:07:13,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:07:13,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:07:13,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:07:13,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:07:13,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:07:13,285 INFO L87 Difference]: Start difference. First operand 54 states and 64 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:07:13,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:07:13,343 INFO L93 Difference]: Finished difference Result 54 states and 64 transitions. [2024-11-07 20:07:13,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:07:13,343 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 51 [2024-11-07 20:07:13,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:07:13,344 INFO L225 Difference]: With dead ends: 54 [2024-11-07 20:07:13,345 INFO L226 Difference]: Without dead ends: 52 [2024-11-07 20:07:13,346 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:07:13,346 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 6 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:07:13,346 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 174 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:07:13,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-07 20:07:13,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-07 20:07:13,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 35 states have (on average 1.2) internal successors, (42), 40 states have internal predecessors, (42), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-07 20:07:13,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions. [2024-11-07 20:07:13,357 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 51 [2024-11-07 20:07:13,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:07:13,357 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 62 transitions. [2024-11-07 20:07:13,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:07:13,357 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2024-11-07 20:07:13,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-07 20:07:13,358 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:07:13,358 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:07:13,372 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 20:07:13,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:07:13,559 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:07:13,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:07:13,560 INFO L85 PathProgramCache]: Analyzing trace with hash 233989109, now seen corresponding path program 1 times [2024-11-07 20:07:13,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:07:13,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80149502] [2024-11-07 20:07:13,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:07:13,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:07:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:13,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 20:07:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:13,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 20:07:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:13,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:07:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:13,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 20:07:13,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:13,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 20:07:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:13,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 20:07:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:13,649 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:07:13,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:07:13,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80149502] [2024-11-07 20:07:13,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80149502] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:07:13,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564981962] [2024-11-07 20:07:13,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:07:13,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:07:13,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:07:13,654 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 20:07:13,655 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 20:07:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:13,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:07:13,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:07:13,774 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:07:13,775 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:07:13,867 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:07:13,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1564981962] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:07:13,867 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:07:13,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-07 20:07:13,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646364655] [2024-11-07 20:07:13,867 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:07:13,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 20:07:13,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:07:13,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 20:07:13,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:07:13,868 INFO L87 Difference]: Start difference. First operand 52 states and 62 transitions. Second operand has 12 states, 11 states have (on average 4.636363636363637) internal successors, (51), 12 states have internal predecessors, (51), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-07 20:07:13,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:07:13,954 INFO L93 Difference]: Finished difference Result 90 states and 119 transitions. [2024-11-07 20:07:13,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 20:07:13,955 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.636363636363637) internal successors, (51), 12 states have internal predecessors, (51), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 52 [2024-11-07 20:07:13,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:07:13,955 INFO L225 Difference]: With dead ends: 90 [2024-11-07 20:07:13,957 INFO L226 Difference]: Without dead ends: 88 [2024-11-07 20:07:13,958 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:07:13,958 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 9 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:07:13,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 196 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:07:13,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-07 20:07:13,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 75. [2024-11-07 20:07:13,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 50 states have (on average 1.26) internal successors, (63), 55 states have internal predecessors, (63), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-07 20:07:13,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 99 transitions. [2024-11-07 20:07:13,969 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 99 transitions. Word has length 52 [2024-11-07 20:07:13,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:07:13,972 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 99 transitions. [2024-11-07 20:07:13,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.636363636363637) internal successors, (51), 12 states have internal predecessors, (51), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-07 20:07:13,972 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 99 transitions. [2024-11-07 20:07:13,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-07 20:07:13,972 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:07:13,972 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:07:13,992 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 20:07:14,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:07:14,173 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:07:14,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:07:14,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1363556617, now seen corresponding path program 1 times [2024-11-07 20:07:14,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:07:14,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142450440] [2024-11-07 20:07:14,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:07:14,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:07:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:14,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 20:07:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:14,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 20:07:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:14,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:07:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:14,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 20:07:14,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:14,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:07:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:14,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:07:14,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:14,292 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:07:14,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:07:14,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142450440] [2024-11-07 20:07:14,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142450440] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:07:14,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812082678] [2024-11-07 20:07:14,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:07:14,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:07:14,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:07:14,295 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 20:07:14,296 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 20:07:14,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:14,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:07:14,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:07:14,376 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:07:14,376 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:07:14,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [812082678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:07:14,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:07:14,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-07 20:07:14,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447330447] [2024-11-07 20:07:14,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:07:14,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:07:14,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:07:14,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:07:14,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:07:14,377 INFO L87 Difference]: Start difference. First operand 75 states and 99 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:07:14,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:07:14,401 INFO L93 Difference]: Finished difference Result 75 states and 99 transitions. [2024-11-07 20:07:14,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:07:14,402 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 55 [2024-11-07 20:07:14,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:07:14,403 INFO L225 Difference]: With dead ends: 75 [2024-11-07 20:07:14,403 INFO L226 Difference]: Without dead ends: 74 [2024-11-07 20:07:14,403 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:07:14,404 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 23 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:07:14,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 132 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:07:14,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-07 20:07:14,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-11-07 20:07:14,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 50 states have (on average 1.22) internal successors, (61), 54 states have internal predecessors, (61), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-07 20:07:14,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 97 transitions. [2024-11-07 20:07:14,410 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 97 transitions. Word has length 55 [2024-11-07 20:07:14,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:07:14,410 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 97 transitions. [2024-11-07 20:07:14,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:07:14,410 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2024-11-07 20:07:14,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-07 20:07:14,411 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:07:14,411 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:07:14,426 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-07 20:07:14,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:07:14,612 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:07:14,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:07:14,612 INFO L85 PathProgramCache]: Analyzing trace with hash -679417750, now seen corresponding path program 1 times [2024-11-07 20:07:14,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:07:14,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879357794] [2024-11-07 20:07:14,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:07:14,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:07:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:14,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 20:07:14,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:14,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 20:07:14,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:14,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:07:14,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:14,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 20:07:14,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:14,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:07:14,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:14,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:07:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:14,711 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:07:14,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:07:14,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879357794] [2024-11-07 20:07:14,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879357794] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:07:14,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [451698760] [2024-11-07 20:07:14,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:07:14,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:07:14,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:07:14,719 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 20:07:14,721 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 20:07:14,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:14,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:07:14,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:07:14,832 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:07:14,832 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:07:14,923 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:07:14,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [451698760] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:07:14,923 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:07:14,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-07 20:07:14,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872757719] [2024-11-07 20:07:14,924 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:07:14,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 20:07:14,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:07:14,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 20:07:14,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:07:14,925 INFO L87 Difference]: Start difference. First operand 74 states and 97 transitions. Second operand has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-07 20:07:15,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:07:15,004 INFO L93 Difference]: Finished difference Result 130 states and 169 transitions. [2024-11-07 20:07:15,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 20:07:15,005 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 56 [2024-11-07 20:07:15,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:07:15,005 INFO L225 Difference]: With dead ends: 130 [2024-11-07 20:07:15,005 INFO L226 Difference]: Without dead ends: 129 [2024-11-07 20:07:15,006 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:07:15,006 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 39 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:07:15,006 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 322 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:07:15,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-07 20:07:15,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 95. [2024-11-07 20:07:15,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 65 states have (on average 1.2153846153846153) internal successors, (79), 69 states have internal predecessors, (79), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-07 20:07:15,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 127 transitions. [2024-11-07 20:07:15,019 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 127 transitions. Word has length 56 [2024-11-07 20:07:15,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:07:15,019 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 127 transitions. [2024-11-07 20:07:15,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-07 20:07:15,019 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 127 transitions. [2024-11-07 20:07:15,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-07 20:07:15,020 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:07:15,020 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:07:15,032 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-07 20:07:15,220 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,SelfDestructingSolverStorable10 [2024-11-07 20:07:15,221 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:07:15,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:07:15,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1143938523, now seen corresponding path program 1 times [2024-11-07 20:07:15,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:07:15,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441717167] [2024-11-07 20:07:15,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:07:15,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:07:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:15,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 20:07:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:15,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 20:07:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:15,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:07:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:15,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 20:07:15,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:15,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 20:07:15,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:15,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 20:07:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:15,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-07 20:07:15,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:15,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 20:07:15,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:15,329 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-07 20:07:15,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:07:15,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441717167] [2024-11-07 20:07:15,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441717167] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:07:15,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1495583177] [2024-11-07 20:07:15,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:07:15,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:07:15,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:07:15,334 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 20:07:15,335 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 20:07:15,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:15,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 20:07:15,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:07:15,452 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-07 20:07:15,452 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:07:15,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1495583177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:07:15,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:07:15,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 9 [2024-11-07 20:07:15,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052343375] [2024-11-07 20:07:15,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:07:15,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:07:15,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:07:15,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:07:15,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:07:15,453 INFO L87 Difference]: Start difference. First operand 95 states and 127 transitions. Second operand has 8 states, 7 states have (on average 3.857142857142857) internal successors, (27), 8 states have internal predecessors, (27), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-07 20:07:15,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:07:15,505 INFO L93 Difference]: Finished difference Result 95 states and 127 transitions. [2024-11-07 20:07:15,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 20:07:15,505 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.857142857142857) internal successors, (27), 8 states have internal predecessors, (27), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 64 [2024-11-07 20:07:15,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:07:15,506 INFO L225 Difference]: With dead ends: 95 [2024-11-07 20:07:15,506 INFO L226 Difference]: Without dead ends: 94 [2024-11-07 20:07:15,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:07:15,510 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 5 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:07:15,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 202 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:07:15,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-07 20:07:15,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-07 20:07:15,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 65 states have (on average 1.2) internal successors, (78), 68 states have internal predecessors, (78), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-07 20:07:15,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 126 transitions. [2024-11-07 20:07:15,516 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 126 transitions. Word has length 64 [2024-11-07 20:07:15,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:07:15,516 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 126 transitions. [2024-11-07 20:07:15,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.857142857142857) internal successors, (27), 8 states have internal predecessors, (27), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-07 20:07:15,517 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 126 transitions. [2024-11-07 20:07:15,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-07 20:07:15,517 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:07:15,517 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:07:15,529 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 20:07:15,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-07 20:07:15,718 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:07:15,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:07:15,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1102355947, now seen corresponding path program 1 times [2024-11-07 20:07:15,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:07:15,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486110114] [2024-11-07 20:07:15,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:07:15,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:07:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:15,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 20:07:15,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:15,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 20:07:15,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:15,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:07:15,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:15,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 20:07:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:15,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 20:07:15,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:15,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 20:07:15,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:15,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-07 20:07:15,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:15,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 20:07:15,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:15,797 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-07 20:07:15,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:07:15,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486110114] [2024-11-07 20:07:15,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486110114] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:07:15,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843366628] [2024-11-07 20:07:15,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:07:15,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:07:15,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:07:15,799 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 20:07:15,801 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 20:07:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:15,836 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 20:07:15,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:07:15,890 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-07 20:07:15,890 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:07:16,028 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-07 20:07:16,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1843366628] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:07:16,028 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:07:16,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-11-07 20:07:16,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844218288] [2024-11-07 20:07:16,029 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:07:16,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 20:07:16,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:07:16,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 20:07:16,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2024-11-07 20:07:16,032 INFO L87 Difference]: Start difference. First operand 94 states and 126 transitions. Second operand has 16 states, 15 states have (on average 3.8) internal successors, (57), 16 states have internal predecessors, (57), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-07 20:07:16,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:07:16,184 INFO L93 Difference]: Finished difference Result 110 states and 147 transitions. [2024-11-07 20:07:16,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 20:07:16,185 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 3.8) internal successors, (57), 16 states have internal predecessors, (57), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 65 [2024-11-07 20:07:16,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:07:16,186 INFO L225 Difference]: With dead ends: 110 [2024-11-07 20:07:16,186 INFO L226 Difference]: Without dead ends: 89 [2024-11-07 20:07:16,186 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2024-11-07 20:07:16,186 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 9 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:07:16,187 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 272 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:07:16,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-07 20:07:16,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-11-07 20:07:16,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 62 states have (on average 1.1451612903225807) internal successors, (71), 65 states have internal predecessors, (71), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-07 20:07:16,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 115 transitions. [2024-11-07 20:07:16,197 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 115 transitions. Word has length 65 [2024-11-07 20:07:16,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:07:16,197 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 115 transitions. [2024-11-07 20:07:16,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 3.8) internal successors, (57), 16 states have internal predecessors, (57), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-07 20:07:16,198 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 115 transitions. [2024-11-07 20:07:16,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-07 20:07:16,199 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:07:16,199 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:07:16,213 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 20:07:16,400 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,SelfDestructingSolverStorable12 [2024-11-07 20:07:16,402 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:07:16,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:07:16,403 INFO L85 PathProgramCache]: Analyzing trace with hash -879179244, now seen corresponding path program 1 times [2024-11-07 20:07:16,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:07:16,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086236847] [2024-11-07 20:07:16,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:07:16,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:07:16,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:16,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 20:07:16,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:16,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 20:07:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:16,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:07:16,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:16,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 20:07:16,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:16,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:07:16,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:16,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:07:16,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:16,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:07:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:16,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 20:07:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:16,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 20:07:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:16,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-07 20:07:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:16,510 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-07 20:07:16,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:07:16,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086236847] [2024-11-07 20:07:16,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086236847] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:07:16,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498635336] [2024-11-07 20:07:16,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:07:16,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:07:16,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:07:16,516 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 20:07:16,518 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 20:07:16,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:16,560 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 20:07:16,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:07:16,616 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-07 20:07:16,616 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:07:16,730 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-07 20:07:16,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1498635336] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:07:16,730 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:07:16,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-11-07 20:07:16,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343521331] [2024-11-07 20:07:16,730 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:07:16,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 20:07:16,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:07:16,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 20:07:16,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2024-11-07 20:07:16,732 INFO L87 Difference]: Start difference. First operand 89 states and 115 transitions. Second operand has 16 states, 15 states have (on average 4.733333333333333) internal successors, (71), 16 states have internal predecessors, (71), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-07 20:07:16,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:07:16,841 INFO L93 Difference]: Finished difference Result 123 states and 168 transitions. [2024-11-07 20:07:16,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 20:07:16,842 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.733333333333333) internal successors, (71), 16 states have internal predecessors, (71), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 82 [2024-11-07 20:07:16,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:07:16,843 INFO L225 Difference]: With dead ends: 123 [2024-11-07 20:07:16,843 INFO L226 Difference]: Without dead ends: 122 [2024-11-07 20:07:16,843 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2024-11-07 20:07:16,843 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 10 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:07:16,844 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 296 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:07:16,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-07 20:07:16,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 112. [2024-11-07 20:07:16,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 77 states have (on average 1.155844155844156) internal successors, (89), 80 states have internal predecessors, (89), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-07 20:07:16,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 149 transitions. [2024-11-07 20:07:16,851 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 149 transitions. Word has length 82 [2024-11-07 20:07:16,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:07:16,855 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 149 transitions. [2024-11-07 20:07:16,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.733333333333333) internal successors, (71), 16 states have internal predecessors, (71), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-07 20:07:16,855 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 149 transitions. [2024-11-07 20:07:16,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-07 20:07:16,856 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:07:16,856 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:07:16,883 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 20:07:17,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:07:17,057 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:07:17,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:07:17,057 INFO L85 PathProgramCache]: Analyzing trace with hash 487929045, now seen corresponding path program 2 times [2024-11-07 20:07:17,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:07:17,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845573195] [2024-11-07 20:07:17,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:07:17,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:07:17,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:17,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 20:07:17,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:17,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 20:07:17,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:17,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:07:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:17,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 20:07:17,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:17,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:07:17,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:17,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:07:17,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:17,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:07:17,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:17,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 20:07:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:17,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 20:07:17,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:17,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-07 20:07:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:17,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 20:07:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:17,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 20:07:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:17,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-07 20:07:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:17,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-07 20:07:17,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:17,171 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-07 20:07:17,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:07:17,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845573195] [2024-11-07 20:07:17,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845573195] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:07:17,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137989356] [2024-11-07 20:07:17,172 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:07:17,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:07:17,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:07:17,177 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 20:07:17,180 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 20:07:17,224 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:07:17,225 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:07:17,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 20:07:17,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:07:17,283 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-07 20:07:17,283 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:07:17,489 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-07 20:07:17,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [137989356] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:07:17,490 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:07:17,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-11-07 20:07:17,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323327584] [2024-11-07 20:07:17,490 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:07:17,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-07 20:07:17,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:07:17,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-07 20:07:17,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2024-11-07 20:07:17,491 INFO L87 Difference]: Start difference. First operand 112 states and 149 transitions. Second operand has 20 states, 19 states have (on average 4.578947368421052) internal successors, (87), 20 states have internal predecessors, (87), 9 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2024-11-07 20:07:17,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:07:17,607 INFO L93 Difference]: Finished difference Result 145 states and 198 transitions. [2024-11-07 20:07:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-07 20:07:17,608 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 4.578947368421052) internal successors, (87), 20 states have internal predecessors, (87), 9 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) Word has length 110 [2024-11-07 20:07:17,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:07:17,609 INFO L225 Difference]: With dead ends: 145 [2024-11-07 20:07:17,609 INFO L226 Difference]: Without dead ends: 144 [2024-11-07 20:07:17,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2024-11-07 20:07:17,609 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 14 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:07:17,609 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 300 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:07:17,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-07 20:07:17,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 125. [2024-11-07 20:07:17,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 86 states have (on average 1.1744186046511629) internal successors, (101), 89 states have internal predecessors, (101), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-07 20:07:17,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 169 transitions. [2024-11-07 20:07:17,617 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 169 transitions. Word has length 110 [2024-11-07 20:07:17,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:07:17,618 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 169 transitions. [2024-11-07 20:07:17,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 4.578947368421052) internal successors, (87), 20 states have internal predecessors, (87), 9 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2024-11-07 20:07:17,618 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 169 transitions. [2024-11-07 20:07:17,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-07 20:07:17,618 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:07:17,618 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:07:17,633 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-07 20:07:17,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-07 20:07:17,819 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:07:17,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:07:17,820 INFO L85 PathProgramCache]: Analyzing trace with hash 800340235, now seen corresponding path program 2 times [2024-11-07 20:07:17,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:07:17,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754953811] [2024-11-07 20:07:17,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:07:17,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:07:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:17,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 20:07:17,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:17,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 20:07:17,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:17,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:07:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:17,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 20:07:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:17,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:07:17,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:17,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:07:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:17,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:07:17,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:17,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 20:07:17,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:17,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 20:07:17,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:17,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-07 20:07:17,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:17,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 20:07:17,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:17,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 20:07:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:17,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-07 20:07:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:17,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-07 20:07:17,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:17,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 20:07:17,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:17,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 20:07:17,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:17,975 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-07 20:07:17,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:07:17,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754953811] [2024-11-07 20:07:17,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754953811] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:07:17,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034486967] [2024-11-07 20:07:17,977 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:07:17,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:07:17,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:07:17,979 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 20:07:17,983 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 20:07:18,030 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:07:18,031 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:07:18,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-07 20:07:18,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:07:18,106 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-07 20:07:18,107 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:07:18,327 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-07 20:07:18,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2034486967] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:07:18,327 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:07:18,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2024-11-07 20:07:18,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997188141] [2024-11-07 20:07:18,327 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:07:18,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-07 20:07:18,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:07:18,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-07 20:07:18,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=429, Unknown=0, NotChecked=0, Total=552 [2024-11-07 20:07:18,329 INFO L87 Difference]: Start difference. First operand 125 states and 169 transitions. Second operand has 24 states, 23 states have (on average 4.043478260869565) internal successors, (93), 24 states have internal predecessors, (93), 11 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 11 states have call predecessors, (34), 11 states have call successors, (34) [2024-11-07 20:07:18,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:07:18,567 INFO L93 Difference]: Finished difference Result 152 states and 205 transitions. [2024-11-07 20:07:18,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-07 20:07:18,568 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.043478260869565) internal successors, (93), 24 states have internal predecessors, (93), 11 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 11 states have call predecessors, (34), 11 states have call successors, (34) Word has length 123 [2024-11-07 20:07:18,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:07:18,569 INFO L225 Difference]: With dead ends: 152 [2024-11-07 20:07:18,569 INFO L226 Difference]: Without dead ends: 125 [2024-11-07 20:07:18,569 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=123, Invalid=429, Unknown=0, NotChecked=0, Total=552 [2024-11-07 20:07:18,569 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 21 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:07:18,569 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 378 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:07:18,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-07 20:07:18,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 120. [2024-11-07 20:07:18,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 83 states have (on average 1.0843373493975903) internal successors, (90), 86 states have internal predecessors, (90), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-07 20:07:18,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 154 transitions. [2024-11-07 20:07:18,587 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 154 transitions. Word has length 123 [2024-11-07 20:07:18,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:07:18,587 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 154 transitions. [2024-11-07 20:07:18,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.043478260869565) internal successors, (93), 24 states have internal predecessors, (93), 11 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 11 states have call predecessors, (34), 11 states have call successors, (34) [2024-11-07 20:07:18,588 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 154 transitions. [2024-11-07 20:07:18,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-07 20:07:18,588 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:07:18,594 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:07:18,617 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-07 20:07:18,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:07:18,795 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:07:18,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:07:18,795 INFO L85 PathProgramCache]: Analyzing trace with hash -242742467, now seen corresponding path program 2 times [2024-11-07 20:07:18,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:07:18,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136778536] [2024-11-07 20:07:18,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:07:18,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:07:18,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:19,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 20:07:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:19,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 20:07:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:19,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:07:19,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:19,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 20:07:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:19,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:07:19,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:19,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:07:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:19,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:07:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:19,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 20:07:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:19,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 20:07:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:19,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-07 20:07:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:19,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 20:07:19,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:19,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 20:07:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:19,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 20:07:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:19,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 20:07:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:19,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 20:07:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:19,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 20:07:19,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:19,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 20:07:19,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:19,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 20:07:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:19,123 INFO L134 CoverageAnalysis]: Checked inductivity of 734 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 20:07:19,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:07:19,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136778536] [2024-11-07 20:07:19,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136778536] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:07:19,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [123003485] [2024-11-07 20:07:19,124 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:07:19,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:07:19,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:07:19,126 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 20:07:19,128 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 20:07:19,177 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:07:19,177 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:07:19,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-07 20:07:19,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:07:19,308 INFO L134 CoverageAnalysis]: Checked inductivity of 734 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 20:07:19,308 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:07:19,543 INFO L134 CoverageAnalysis]: Checked inductivity of 734 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 20:07:19,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [123003485] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:07:19,544 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:07:19,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2024-11-07 20:07:19,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586069432] [2024-11-07 20:07:19,544 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:07:19,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-07 20:07:19,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:07:19,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-07 20:07:19,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-11-07 20:07:19,545 INFO L87 Difference]: Start difference. First operand 120 states and 154 transitions. Second operand has 24 states, 23 states have (on average 5.043478260869565) internal successors, (116), 24 states have internal predecessors, (116), 11 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 11 states have call predecessors, (38), 11 states have call successors, (38) [2024-11-07 20:07:19,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:07:19,654 INFO L93 Difference]: Finished difference Result 208 states and 274 transitions. [2024-11-07 20:07:19,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-07 20:07:19,655 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 5.043478260869565) internal successors, (116), 24 states have internal predecessors, (116), 11 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 11 states have call predecessors, (38), 11 states have call successors, (38) Word has length 143 [2024-11-07 20:07:19,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:07:19,656 INFO L225 Difference]: With dead ends: 208 [2024-11-07 20:07:19,656 INFO L226 Difference]: Without dead ends: 207 [2024-11-07 20:07:19,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-11-07 20:07:19,657 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 42 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:07:19,657 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 378 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:07:19,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-07 20:07:19,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 167. [2024-11-07 20:07:19,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 116 states have (on average 1.1293103448275863) internal successors, (131), 119 states have internal predecessors, (131), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-07 20:07:19,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 223 transitions. [2024-11-07 20:07:19,665 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 223 transitions. Word has length 143 [2024-11-07 20:07:19,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:07:19,665 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 223 transitions. [2024-11-07 20:07:19,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.043478260869565) internal successors, (116), 24 states have internal predecessors, (116), 11 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 11 states have call predecessors, (38), 11 states have call successors, (38) [2024-11-07 20:07:19,665 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 223 transitions. [2024-11-07 20:07:19,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-07 20:07:19,666 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:07:19,666 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:07:19,678 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 20:07:19,867 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,SelfDestructingSolverStorable16 [2024-11-07 20:07:19,867 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:07:19,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:07:19,868 INFO L85 PathProgramCache]: Analyzing trace with hash 295568340, now seen corresponding path program 2 times [2024-11-07 20:07:19,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:07:19,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495219420] [2024-11-07 20:07:19,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:07:19,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:07:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:20,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 20:07:20,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:20,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 20:07:20,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:20,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:07:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:20,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 20:07:20,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:20,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:07:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:20,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:07:20,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:20,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:07:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:20,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 20:07:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:20,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 20:07:20,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:20,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-07 20:07:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:20,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 20:07:20,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:20,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 20:07:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:20,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 20:07:20,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:20,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 20:07:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:20,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 20:07:20,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:20,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 20:07:20,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:20,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 20:07:20,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:20,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 20:07:20,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:20,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 20:07:20,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:20,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 20:07:20,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:20,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-07 20:07:20,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:20,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 20:07:20,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:20,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 20:07:20,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:20,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 20:07:20,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:20,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-07 20:07:20,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:20,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-07 20:07:20,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:20,097 INFO L134 CoverageAnalysis]: Checked inductivity of 1543 backedges. 0 proven. 243 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-07 20:07:20,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:07:20,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495219420] [2024-11-07 20:07:20,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495219420] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:07:20,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871124759] [2024-11-07 20:07:20,097 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:07:20,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:07:20,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:07:20,099 INFO L229 MonitoredProcess]: Starting monitored process 12 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 20:07:20,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-07 20:07:20,165 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:07:20,165 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:07:20,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-07 20:07:20,168 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:07:20,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1543 backedges. 0 proven. 243 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-07 20:07:20,271 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:07:20,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1543 backedges. 0 proven. 243 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-07 20:07:20,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1871124759] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:07:20,574 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:07:20,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 31 [2024-11-07 20:07:20,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686386155] [2024-11-07 20:07:20,574 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:07:20,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-07 20:07:20,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:07:20,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-07 20:07:20,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=721, Unknown=0, NotChecked=0, Total=992 [2024-11-07 20:07:20,576 INFO L87 Difference]: Start difference. First operand 167 states and 223 transitions. Second operand has 32 states, 31 states have (on average 4.612903225806452) internal successors, (143), 32 states have internal predecessors, (143), 15 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 15 states have call predecessors, (54), 15 states have call successors, (54) [2024-11-07 20:07:20,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:07:20,765 INFO L93 Difference]: Finished difference Result 241 states and 338 transitions. [2024-11-07 20:07:20,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-07 20:07:20,766 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 4.612903225806452) internal successors, (143), 32 states have internal predecessors, (143), 15 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 15 states have call predecessors, (54), 15 states have call successors, (54) Word has length 198 [2024-11-07 20:07:20,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:07:20,767 INFO L225 Difference]: With dead ends: 241 [2024-11-07 20:07:20,767 INFO L226 Difference]: Without dead ends: 240 [2024-11-07 20:07:20,768 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 431 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=271, Invalid=721, Unknown=0, NotChecked=0, Total=992 [2024-11-07 20:07:20,768 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 46 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:07:20,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 271 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:07:20,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-11-07 20:07:20,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 216. [2024-11-07 20:07:20,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 149 states have (on average 1.1476510067114094) internal successors, (171), 152 states have internal predecessors, (171), 62 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-07 20:07:20,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 295 transitions. [2024-11-07 20:07:20,781 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 295 transitions. Word has length 198 [2024-11-07 20:07:20,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:07:20,781 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 295 transitions. [2024-11-07 20:07:20,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 4.612903225806452) internal successors, (143), 32 states have internal predecessors, (143), 15 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 15 states have call predecessors, (54), 15 states have call successors, (54) [2024-11-07 20:07:20,781 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 295 transitions. [2024-11-07 20:07:20,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-07 20:07:20,783 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:07:20,783 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:07:20,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-07 20:07:20,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-07 20:07:20,988 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:07:20,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:07:20,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1620685163, now seen corresponding path program 3 times [2024-11-07 20:07:20,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:07:20,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469326171] [2024-11-07 20:07:20,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:07:20,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:07:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:21,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 20:07:21,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:21,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 20:07:21,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:21,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:07:21,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:21,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 20:07:21,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:21,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:07:21,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:21,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:07:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:21,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:07:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:21,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 20:07:21,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:21,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 20:07:21,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:21,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-07 20:07:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:21,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 20:07:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:21,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 20:07:21,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:21,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 20:07:21,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:21,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 20:07:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:21,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 20:07:21,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:21,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 20:07:21,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:21,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 20:07:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:21,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 20:07:21,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:21,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 20:07:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:21,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 20:07:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:21,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-07 20:07:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:21,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 20:07:21,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:21,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 20:07:21,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:21,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 20:07:21,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:21,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-07 20:07:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:21,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-07 20:07:21,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:21,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 20:07:21,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:21,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-07 20:07:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:21,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 20:07:21,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:21,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-07 20:07:21,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:21,276 INFO L134 CoverageAnalysis]: Checked inductivity of 2027 backedges. 0 proven. 287 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-07 20:07:21,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:07:21,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469326171] [2024-11-07 20:07:21,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469326171] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:07:21,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114553625] [2024-11-07 20:07:21,276 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 20:07:21,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:07:21,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:07:21,278 INFO L229 MonitoredProcess]: Starting monitored process 13 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 20:07:21,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-07 20:07:21,317 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-07 20:07:21,317 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:07:21,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 20:07:21,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:07:21,471 INFO L134 CoverageAnalysis]: Checked inductivity of 2027 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 1940 trivial. 0 not checked. [2024-11-07 20:07:21,471 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:07:21,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1114553625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:07:21,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:07:21,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [17] total 22 [2024-11-07 20:07:21,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818646744] [2024-11-07 20:07:21,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:07:21,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:07:21,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:07:21,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:07:21,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506 [2024-11-07 20:07:21,472 INFO L87 Difference]: Start difference. First operand 216 states and 295 transitions. Second operand has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-07 20:07:21,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:07:21,561 INFO L93 Difference]: Finished difference Result 216 states and 295 transitions. [2024-11-07 20:07:21,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:07:21,561 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 226 [2024-11-07 20:07:21,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:07:21,562 INFO L225 Difference]: With dead ends: 216 [2024-11-07 20:07:21,562 INFO L226 Difference]: Without dead ends: 215 [2024-11-07 20:07:21,562 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=109, Invalid=491, Unknown=0, NotChecked=0, Total=600 [2024-11-07 20:07:21,563 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 14 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:07:21,563 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 122 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:07:21,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-07 20:07:21,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2024-11-07 20:07:21,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 149 states have (on average 1.1409395973154361) internal successors, (170), 151 states have internal predecessors, (170), 62 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-07 20:07:21,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 294 transitions. [2024-11-07 20:07:21,578 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 294 transitions. Word has length 226 [2024-11-07 20:07:21,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:07:21,578 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 294 transitions. [2024-11-07 20:07:21,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-07 20:07:21,578 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 294 transitions. [2024-11-07 20:07:21,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-11-07 20:07:21,581 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:07:21,581 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:07:21,593 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-07 20:07:21,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:07:21,782 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:07:21,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:07:21,782 INFO L85 PathProgramCache]: Analyzing trace with hash -938805429, now seen corresponding path program 3 times [2024-11-07 20:07:21,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:07:21,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727878329] [2024-11-07 20:07:21,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:07:21,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:07:21,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 20:07:22,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 20:07:22,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:07:22,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 20:07:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:07:22,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:07:22,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:07:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 20:07:22,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 20:07:22,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-07 20:07:22,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 20:07:22,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 20:07:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 20:07:22,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 20:07:22,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 20:07:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 20:07:22,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 20:07:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 20:07:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 20:07:22,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 20:07:22,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-07 20:07:22,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 20:07:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 20:07:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 20:07:22,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-07 20:07:22,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-07 20:07:22,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 20:07:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-07 20:07:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 20:07:22,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-07 20:07:22,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 20:07:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-07 20:07:22,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,097 INFO L134 CoverageAnalysis]: Checked inductivity of 2271 backedges. 0 proven. 287 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-07 20:07:22,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:07:22,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727878329] [2024-11-07 20:07:22,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727878329] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:07:22,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1414867640] [2024-11-07 20:07:22,097 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 20:07:22,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:07:22,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:07:22,099 INFO L229 MonitoredProcess]: Starting monitored process 14 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 20:07:22,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-07 20:07:22,136 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-07 20:07:22,136 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:07:22,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 20:07:22,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:07:22,280 INFO L134 CoverageAnalysis]: Checked inductivity of 2271 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2178 trivial. 0 not checked. [2024-11-07 20:07:22,281 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:07:22,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1414867640] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:07:22,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:07:22,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [19] total 24 [2024-11-07 20:07:22,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014903933] [2024-11-07 20:07:22,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:07:22,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:07:22,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:07:22,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:07:22,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=486, Unknown=0, NotChecked=0, Total=600 [2024-11-07 20:07:22,282 INFO L87 Difference]: Start difference. First operand 215 states and 294 transitions. Second operand has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-07 20:07:22,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:07:22,360 INFO L93 Difference]: Finished difference Result 215 states and 294 transitions. [2024-11-07 20:07:22,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:07:22,360 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 239 [2024-11-07 20:07:22,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:07:22,361 INFO L225 Difference]: With dead ends: 215 [2024-11-07 20:07:22,361 INFO L226 Difference]: Without dead ends: 204 [2024-11-07 20:07:22,362 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=580, Unknown=0, NotChecked=0, Total=702 [2024-11-07 20:07:22,362 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 10 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:07:22,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 121 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:07:22,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-07 20:07:22,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2024-11-07 20:07:22,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 143 states have (on average 1.034965034965035) internal successors, (148), 144 states have internal predecessors, (148), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-07 20:07:22,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 264 transitions. [2024-11-07 20:07:22,370 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 264 transitions. Word has length 239 [2024-11-07 20:07:22,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:07:22,371 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 264 transitions. [2024-11-07 20:07:22,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-07 20:07:22,371 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 264 transitions. [2024-11-07 20:07:22,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2024-11-07 20:07:22,373 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:07:22,373 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:07:22,384 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-07 20:07:22,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:07:22,573 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:07:22,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:07:22,574 INFO L85 PathProgramCache]: Analyzing trace with hash -547652451, now seen corresponding path program 3 times [2024-11-07 20:07:22,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:07:22,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664772153] [2024-11-07 20:07:22,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:07:22,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:07:22,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 20:07:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 20:07:22,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:07:22,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 20:07:22,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:07:22,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:07:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:07:22,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 20:07:22,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 20:07:22,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:22,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-07 20:07:23,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:23,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 20:07:23,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:23,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 20:07:23,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:23,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 20:07:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:23,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 20:07:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:23,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 20:07:23,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:23,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 20:07:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:23,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 20:07:23,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:23,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 20:07:23,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:23,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 20:07:23,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:23,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 20:07:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:23,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-07 20:07:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:23,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 20:07:23,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:23,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 20:07:23,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:23,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 20:07:23,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:23,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-07 20:07:23,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:23,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-07 20:07:23,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:23,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 20:07:23,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:23,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-07 20:07:23,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:23,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-07 20:07:23,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:23,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 20:07:23,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:23,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 20:07:23,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:23,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 20:07:23,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:23,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 20:07:23,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:23,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 20:07:23,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:23,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 20:07:23,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:23,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-07 20:07:23,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:23,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-07 20:07:23,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:23,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-07 20:07:23,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:23,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-07 20:07:23,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:23,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-07 20:07:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:23,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-07 20:07:23,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:23,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 20:07:23,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:23,043 INFO L134 CoverageAnalysis]: Checked inductivity of 4139 backedges. 0 proven. 695 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-07 20:07:23,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:07:23,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664772153] [2024-11-07 20:07:23,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664772153] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:07:23,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1432761215] [2024-11-07 20:07:23,043 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 20:07:23,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:07:23,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:07:23,045 INFO L229 MonitoredProcess]: Starting monitored process 15 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 20:07:23,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-07 20:07:23,089 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-07 20:07:23,090 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:07:23,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 20:07:23,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:07:23,331 INFO L134 CoverageAnalysis]: Checked inductivity of 4139 backedges. 117 proven. 116 refuted. 0 times theorem prover too weak. 3906 trivial. 0 not checked. [2024-11-07 20:07:23,331 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:07:23,641 INFO L134 CoverageAnalysis]: Checked inductivity of 4139 backedges. 117 proven. 116 refuted. 0 times theorem prover too weak. 3906 trivial. 0 not checked. [2024-11-07 20:07:23,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1432761215] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:07:23,641 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:07:23,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 6, 6] total 29 [2024-11-07 20:07:23,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644164986] [2024-11-07 20:07:23,642 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:07:23,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-07 20:07:23,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:07:23,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-07 20:07:23,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=679, Unknown=0, NotChecked=0, Total=870 [2024-11-07 20:07:23,643 INFO L87 Difference]: Start difference. First operand 204 states and 264 transitions. Second operand has 30 states, 29 states have (on average 4.827586206896552) internal successors, (140), 30 states have internal predecessors, (140), 13 states have call successors, (48), 1 states have call predecessors, (48), 2 states have return successors, (49), 13 states have call predecessors, (49), 13 states have call successors, (49) [2024-11-07 20:07:24,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:07:24,034 INFO L93 Difference]: Finished difference Result 204 states and 264 transitions. [2024-11-07 20:07:24,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-07 20:07:24,034 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 4.827586206896552) internal successors, (140), 30 states have internal predecessors, (140), 13 states have call successors, (48), 1 states have call predecessors, (48), 2 states have return successors, (49), 13 states have call predecessors, (49), 13 states have call successors, (49) Word has length 317 [2024-11-07 20:07:24,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:07:24,036 INFO L225 Difference]: With dead ends: 204 [2024-11-07 20:07:24,036 INFO L226 Difference]: Without dead ends: 203 [2024-11-07 20:07:24,037 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 763 GetRequests, 709 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 512 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=551, Invalid=2311, Unknown=0, NotChecked=0, Total=2862 [2024-11-07 20:07:24,037 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 2 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:07:24,038 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 221 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:07:24,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-07 20:07:24,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2024-11-07 20:07:24,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 143 states have (on average 1.006993006993007) internal successors, (144), 143 states have internal predecessors, (144), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-07 20:07:24,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 260 transitions. [2024-11-07 20:07:24,046 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 260 transitions. Word has length 317 [2024-11-07 20:07:24,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:07:24,046 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 260 transitions. [2024-11-07 20:07:24,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 4.827586206896552) internal successors, (140), 30 states have internal predecessors, (140), 13 states have call successors, (48), 1 states have call predecessors, (48), 2 states have return successors, (49), 13 states have call predecessors, (49), 13 states have call successors, (49) [2024-11-07 20:07:24,046 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 260 transitions. [2024-11-07 20:07:24,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2024-11-07 20:07:24,050 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:07:24,050 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:07:24,061 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-07 20:07:24,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-07 20:07:24,250 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:07:24,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:07:24,251 INFO L85 PathProgramCache]: Analyzing trace with hash 766400340, now seen corresponding path program 3 times [2024-11-07 20:07:24,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:07:24,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462112226] [2024-11-07 20:07:24,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:07:24,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:07:24,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 20:07:24,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 20:07:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:07:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 20:07:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:07:24,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:07:24,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:07:24,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 20:07:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 20:07:24,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-07 20:07:24,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 20:07:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 20:07:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 20:07:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 20:07:24,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 20:07:24,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 20:07:24,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 20:07:24,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 20:07:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 20:07:24,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 20:07:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-07 20:07:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 20:07:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 20:07:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 20:07:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-07 20:07:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-07 20:07:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-07 20:07:24,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-07 20:07:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-07 20:07:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 20:07:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 20:07:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 20:07:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-07 20:07:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 20:07:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 20:07:24,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-07 20:07:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-07 20:07:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-07 20:07:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-07 20:07:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-07 20:07:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-07 20:07:24,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 20:07:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-07 20:07:24,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-07 20:07:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-11-07 20:07:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-11-07 20:07:24,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-11-07 20:07:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-11-07 20:07:24,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-11-07 20:07:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2024-11-07 20:07:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2024-11-07 20:07:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2024-11-07 20:07:24,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2024-11-07 20:07:24,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2024-11-07 20:07:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2024-11-07 20:07:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2024-11-07 20:07:24,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2024-11-07 20:07:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2024-11-07 20:07:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:07:24,934 INFO L134 CoverageAnalysis]: Checked inductivity of 7907 backedges. 0 proven. 1295 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-11-07 20:07:24,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:07:24,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462112226] [2024-11-07 20:07:24,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462112226] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:07:24,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022977295] [2024-11-07 20:07:24,934 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 20:07:24,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:07:24,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:07:24,936 INFO L229 MonitoredProcess]: Starting monitored process 16 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 20:07:24,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-07 20:07:24,985 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-07 20:07:24,985 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:07:24,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 20:07:24,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:07:25,297 INFO L134 CoverageAnalysis]: Checked inductivity of 7907 backedges. 171 proven. 42 refuted. 0 times theorem prover too weak. 7694 trivial. 0 not checked. [2024-11-07 20:07:25,297 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:07:25,732 INFO L134 CoverageAnalysis]: Checked inductivity of 7907 backedges. 171 proven. 42 refuted. 0 times theorem prover too weak. 7694 trivial. 0 not checked. [2024-11-07 20:07:25,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2022977295] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:07:25,732 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:07:25,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 7, 7] total 42 [2024-11-07 20:07:25,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700577233] [2024-11-07 20:07:25,732 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:07:25,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-11-07 20:07:25,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:07:25,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-11-07 20:07:25,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=359, Invalid=1447, Unknown=0, NotChecked=0, Total=1806 [2024-11-07 20:07:25,737 INFO L87 Difference]: Start difference. First operand 203 states and 260 transitions. Second operand has 43 states, 42 states have (on average 4.428571428571429) internal successors, (186), 41 states have internal predecessors, (186), 17 states have call successors, (66), 1 states have call predecessors, (66), 2 states have return successors, (68), 19 states have call predecessors, (68), 17 states have call successors, (68) [2024-11-07 20:07:26,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:07:26,795 INFO L93 Difference]: Finished difference Result 228 states and 294 transitions. [2024-11-07 20:07:26,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-07 20:07:26,802 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 4.428571428571429) internal successors, (186), 41 states have internal predecessors, (186), 17 states have call successors, (66), 1 states have call predecessors, (66), 2 states have return successors, (68), 19 states have call predecessors, (68), 17 states have call successors, (68) Word has length 430 [2024-11-07 20:07:26,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:07:26,803 INFO L225 Difference]: With dead ends: 228 [2024-11-07 20:07:26,803 INFO L226 Difference]: Without dead ends: 0 [2024-11-07 20:07:26,807 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1041 GetRequests, 964 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1030 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1201, Invalid=4961, Unknown=0, NotChecked=0, Total=6162 [2024-11-07 20:07:26,809 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 172 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:07:26,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 170 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:07:26,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-07 20:07:26,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-07 20:07:26,809 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 20:07:26,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-07 20:07:26,810 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 430 [2024-11-07 20:07:26,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:07:26,810 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-07 20:07:26,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 4.428571428571429) internal successors, (186), 41 states have internal predecessors, (186), 17 states have call successors, (66), 1 states have call predecessors, (66), 2 states have return successors, (68), 19 states have call predecessors, (68), 17 states have call successors, (68) [2024-11-07 20:07:26,810 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-07 20:07:26,810 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-07 20:07:26,812 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2024-11-07 20:07:26,813 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2024-11-07 20:07:26,813 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2024-11-07 20:07:26,813 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2024-11-07 20:07:26,814 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2024-11-07 20:07:26,814 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2024-11-07 20:07:26,814 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2024-11-07 20:07:26,814 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2024-11-07 20:07:26,814 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2024-11-07 20:07:26,814 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2024-11-07 20:07:26,831 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-07 20:07:27,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:07:27,017 INFO L407 BasicCegarLoop]: Path program histogram: [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:07:27,018 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-07 20:07:28,298 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 20:07:28,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:07:28 BoogieIcfgContainer [2024-11-07 20:07:28,323 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 20:07:28,327 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 20:07:28,327 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 20:07:28,327 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 20:07:28,328 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:07:12" (3/4) ... [2024-11-07 20:07:28,329 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-07 20:07:28,337 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-07 20:07:28,342 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-07 20:07:28,342 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-07 20:07:28,343 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-07 20:07:28,343 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-07 20:07:28,400 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-07 20:07:28,400 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-07 20:07:28,400 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 20:07:28,401 INFO L158 Benchmark]: Toolchain (without parser) took 16824.31ms. Allocated memory was 109.1MB in the beginning and 343.9MB in the end (delta: 234.9MB). Free memory was 85.9MB in the beginning and 216.4MB in the end (delta: -130.5MB). Peak memory consumption was 99.2MB. Max. memory is 16.1GB. [2024-11-07 20:07:28,401 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 83.9MB. Free memory was 48.1MB in the beginning and 48.0MB in the end (delta: 82.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 20:07:28,401 INFO L158 Benchmark]: CACSL2BoogieTranslator took 144.46ms. Allocated memory is still 109.1MB. Free memory was 85.7MB in the beginning and 74.9MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 20:07:28,401 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.73ms. Allocated memory is still 109.1MB. Free memory was 74.9MB in the beginning and 73.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 20:07:28,401 INFO L158 Benchmark]: Boogie Preprocessor took 32.43ms. Allocated memory is still 109.1MB. Free memory was 73.7MB in the beginning and 72.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 20:07:28,402 INFO L158 Benchmark]: RCFGBuilder took 228.24ms. Allocated memory is still 109.1MB. Free memory was 72.4MB in the beginning and 61.0MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 20:07:28,402 INFO L158 Benchmark]: TraceAbstraction took 16315.53ms. Allocated memory was 109.1MB in the beginning and 343.9MB in the end (delta: 234.9MB). Free memory was 60.5MB in the beginning and 221.7MB in the end (delta: -161.2MB). Peak memory consumption was 142.5MB. Max. memory is 16.1GB. [2024-11-07 20:07:28,402 INFO L158 Benchmark]: Witness Printer took 73.29ms. Allocated memory is still 343.9MB. Free memory was 221.7MB in the beginning and 216.4MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 20:07:28,405 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 83.9MB. Free memory was 48.1MB in the beginning and 48.0MB in the end (delta: 82.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 144.46ms. Allocated memory is still 109.1MB. Free memory was 85.7MB in the beginning and 74.9MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.73ms. Allocated memory is still 109.1MB. Free memory was 74.9MB in the beginning and 73.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.43ms. Allocated memory is still 109.1MB. Free memory was 73.7MB in the beginning and 72.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 228.24ms. Allocated memory is still 109.1MB. Free memory was 72.4MB in the beginning and 61.0MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 16315.53ms. Allocated memory was 109.1MB in the beginning and 343.9MB in the end (delta: 234.9MB). Free memory was 60.5MB in the beginning and 221.7MB in the end (delta: -161.2MB). Peak memory consumption was 142.5MB. Max. memory is 16.1GB. * Witness Printer took 73.29ms. Allocated memory is still 343.9MB. Free memory was 221.7MB in the beginning and 216.4MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. * 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: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: 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, 52 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 15.0s, OverallIterations: 22, TraceHistogramMax: 58, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 625 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 503 mSDsluCounter, 4429 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3554 mSDsCounter, 155 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1996 IncrementalHoareTripleChecker+Invalid, 2151 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 155 mSolverCounterUnsat, 875 mSDtfsCounter, 1996 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4626 GetRequests, 4271 SyntacticMatches, 2 SemanticMatches, 353 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2671 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=216occurred in iteration=18, InterpolantAutomatonStates: 271, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 22 MinimizatonAttempts, 156 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 7.3s InterpolantComputationTime, 4579 NumberOfCodeBlocks, 3509 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 6108 ConstructedInterpolants, 0 QuantifiedInterpolants, 11654 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2285 ConjunctsInSsa, 120 ConjunctsInUnsatCore, 47 InterpolantComputations, 12 PerfectInterpolantSequences, 51896/56287 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 10 specifications checked. All of them hold - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: ((((((((inlen <= 2147483647) && (2 <= bufferlen)) && (in <= 2147483646)) && (1 <= in)) && (bufferlen <= 2147483646)) && (buf <= 2147483646)) && (1 <= buf)) || (((((inlen <= 2147483647) && (2 <= bufferlen)) && (buf == 0)) && (bufferlen <= 2147483646)) && (in == 0))) - ProcedureContractResult [Line: 17]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (cond != 0) RESULT: Ultimate proved your program to be correct! [2024-11-07 20:07:28,425 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE